CN115208269B - Permanent magnet synchronous motor controller with cooling structure - Google Patents
Permanent magnet synchronous motor controller with cooling structure Download PDFInfo
- Publication number
- CN115208269B CN115208269B CN202211112643.6A CN202211112643A CN115208269B CN 115208269 B CN115208269 B CN 115208269B CN 202211112643 A CN202211112643 A CN 202211112643A CN 115208269 B CN115208269 B CN 115208269B
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- motor controller
- gear
- shell
- rotating
- rotating shafts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/022—Synchronous motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
The invention relates to the technical field of motor control, and discloses a permanent magnet synchronous motor controller with a cooling structure, which solves the problems that heat at the bottom of a circuit board body is easy to accumulate, external dust is easy to enter a motor controller shell through a heat dissipation hole, and the heat accumulation can affect the stability of the permanent magnet synchronous motor controller; the radiating fan blades radiate the top and the bottom of the circuit board body, so that heat accumulation is reduced, the stability of the permanent magnet synchronous motor controller is improved, and the dust screen can be cleaned through the cleaning brush.
Description
Technical Field
The invention belongs to the technical field of motor control, and particularly relates to a permanent magnet synchronous motor controller with a cooling structure.
Background
The permanent magnet synchronous motor controller is used for controlling the operation of the permanent magnet synchronous motor, whether the permanent magnet synchronous motor can stably operate or not is directly related to whether the permanent magnet synchronous motor can normally operate or not, and the permanent magnet synchronous motor controller without the Hall sensor can generate heat when in operation.
In the prior art, the heat is generally dissipated from the top of the circuit board body through the heat dissipation mechanism, the heat at the bottom of the circuit board body is easy to accumulate, external dust also easily enters the motor controller shell through the heat dissipation holes, and the heat accumulation can affect the stability of the permanent magnet synchronous motor controller.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the invention provides a permanent magnet synchronous motor controller with a cooling structure, which effectively solves the problems that the heat dissipation mechanism generally dissipates the heat at the top of the circuit board body in the background art, the heat at the bottom of the circuit board body is easy to accumulate, external dust is easy to enter the motor controller shell through the heat dissipation holes, and the heat accumulation affects the stability of the permanent magnet synchronous motor controller.
In order to achieve the purpose, the invention provides the following technical scheme: a permanent magnet synchronous motor controller with a cooling structure comprises a motor controller shell and a circuit board body, wherein the circuit board body is arranged in the motor controller shell, the bottom of the circuit board body is connected with the inner wall of the bottom of the motor controller shell through a plurality of first connecting plates, a plurality of mounting frames are fixedly connected with the bottom of the motor controller shell, rotary shells are arranged at the top and the bottom of the motor controller shell, each rotary shell is of a cavity structure with an opening at one end, the rotary shells are connected with the motor controller shell through rotary pieces, a plurality of first rotary shafts are arranged above and below the circuit board body, a plurality of heat dissipation fan blades fixedly connected with the first rotary shafts are arranged on the first rotary shafts, one end, away from the circuit board body, of each first rotary shaft penetrates through the inner wall of one side of the motor controller shell, a first bearing is arranged at the penetrating position of the first rotary shafts and the motor controller shell, a plurality of first gears are arranged in the rotary shells, one end of the first rotating shaft is fixedly connected with the first gear, a first gear ring is fixedly connected on the inner wall of the rotating shell, the first gear is meshed with gear teeth on the inner wall of the first gear ring, two second rotating shafts are arranged in the motor controller shell, a rotating driving mechanism matched with the two second rotating shafts is arranged on the motor controller shell, the second rotating shafts are connected with the rotating shell through a transmission mechanism, a plurality of mounting holes are formed in the inner wall of the top of the motor controller shell, dust screens are arranged in the mounting holes, elastic supporting mechanisms matched with the dust screens are arranged in the mounting holes, baffles are arranged at the tops of the dust screens, the baffles are connected with the motor controller shell through a restorer, two cleaning brushes are arranged at the top of the motor controller shell, a second connecting plate is arranged above the cleaning brushes and is fixedly connected with the rotating shell positioned at the top of the motor controller shell, the cleaning brush and the second connecting plate are connected through the elastic pressing unit, the two second rotating shafts can be driven to rotate through the design of a rotating part, the rotating shell is connected with the motor controller shell in a rotating mode, the transmission mechanism is designed, the two rotating shells can be driven to rotate when rotating, when the second rotating shaft rotates, the second rotating shaft drives the rotating shell to rotate, the first rotating shaft drives the first gear ring to rotate, the first gear ring drives the first gears to rotate synchronously, and then the first rotating shafts above and below the circuit board body respectively rotate simultaneously, so that the heat dissipation fan blades dissipate the top and the bottom of the circuit board body, the accumulation of heat is reduced, the stability of the permanent magnet synchronous motor controller is improved, the possibility that external dust enters the motor controller shell through the mounting holes is reduced through the design of the dustproof net, when the rotating shell rotates, the rotating shell drives the two second connecting plates to rotate, so that the cleaning brush and the cleaning brush are connected with the elastic pressing unit through the elastic pressing unit, and the elastic pressing unit can ensure that the cleaning brush and the cleaning brush is connected with the cleaning brush.
Preferably, the rotary driving mechanism comprises a second bearing arranged at one end of one of the second rotating shafts, one end of the second rotating shaft is connected with the inner wall of one side of the motor controller shell through the second bearing, the other end of the second rotating shaft penetrates through the inner wall of the other side of the motor controller shell, a driver matched with the one of the second rotating shafts is arranged on the motor controller shell, two ends of the other second rotating shaft are connected with the inner wall of the motor controller shell through a third bearing, and the two second rotating shafts are connected through a synchronous rotating unit.
Preferably, the transmission mechanism comprises a second gear ring sleeved outside the rotating shell, the second gear ring is fixedly connected with the rotating shell, second gears are arranged on two sides of the second gear ring and are meshed with the second gear ring, two third rotating shafts are arranged above and below the circuit board body, one end, far away from the circuit board body, of each third rotating shaft penetrates through the inner wall of the motor controller shell, a fourth bearing is arranged at a penetrating position of each third rotating shaft and the motor controller shell, one end of each third rotating shaft is fixedly connected with the corresponding second gear, the other end of each third rotating shaft is fixedly connected with a first bevel gear located in the motor controller shell, two second bevel gears are sleeved outside the second rotating shafts, the second bevel gears are fixedly connected with the second rotating shafts, and the first bevel gears are meshed with the second bevel gears.
Preferably, the synchronous rotation unit comprises chain wheels sleeved outside the second rotating shaft, the chain wheels are fixedly connected with the second rotating shaft, the two chain wheels are connected through a chain, and through the design of the synchronous rotation unit, when one of the second rotating shafts rotates, the chain wheel on one of the second rotating shafts drives the chain wheel on the other second rotating shaft to synchronously rotate through the chain, so that the two second rotating shafts synchronously rotate.
Preferably, the driver includes a third gear disposed on one side of the motor controller housing, one end of one of the second rotating shafts is fixedly connected to the third gear, a fourth gear is disposed at the bottom of the third gear, the fourth gear is meshed with the third gear, a motor is fixedly connected to one side of the motor controller housing, an output end of the motor is fixedly connected to the fourth gear, and the fourth gear is matched with the third gear.
Preferably, one side of machine controller casing is equipped with the protecting crust, the protecting crust is one end open-ended cavity structure, the equal fixedly connected with mounting panel in both sides of protecting crust, mounting panel and machine controller casing pass through a plurality of bolted connection, and the third gear, fourth gear and motor all are located the protecting crust, design through the protecting crust, to the third gear, fourth gear and motor are protected, avoid operating personnel mistake to bump third gear and fourth gear, the manual drive bolt is rotatory, make the bolt break away from machine controller casing and mounting panel, can remove the fixed relation between protecting crust and the machine controller casing, the machine controller casing removal is kept away from to the manual drive protecting crust, can accomplish dismantling of protecting crust.
Preferably, the elastic supporting mechanism comprises a first supporting plate and a second supporting plate which are arranged in the mounting hole, the first supporting plate and the second supporting plate are fixedly connected with the inner wall of the mounting hole, a first supporting plate is arranged above the first supporting plate, the first supporting plate and the first supporting plate are connected through a plurality of first compression springs, a second supporting plate is arranged above the second supporting plate, the second supporting plate and the second supporting plate are connected through a plurality of second compression springs, the top of the first supporting plate and the top of the second supporting plate are both contacted with the bottom of the dust screen, limitation on the position of the dust screen is removed, the first compression springs and the second compression springs are both in a compression state, the first supporting plate is driven by the first compression springs to move upwards, the second supporting plate is driven by the second compression springs to move upwards, the dust screen is separated from the mounting hole, and the dust screen can be removed.
Preferably, the unit is pressed to elasticity is including setting up in the prism at clearance brush top, prismatic bottom and the top fixed connection of clearance brush, the through-hole has been seted up at the top of second connecting plate, the prism runs through the through-hole, clearance brush and second connecting plate are connected through a plurality of third compression spring, through the clearance brush, the second connecting plate, the prism, through-hole and third compression spring's design, make clearance brush second connecting plate elastic connection relatively, because third compression spring is in compression state, and then make third compression spring exert decurrent power to the clearance brush, thereby make clearance brush elasticity press the dust screen, ensure that clearance brush and dust screen contact, through the design of prism, make clearance brush can only remove second connecting plate vertical direction relatively, avoid clearance brush second connecting plate relative slope to rock.
Preferably, the mounting bracket is of an L-shaped structure, a counter bore is formed in the mounting bracket, the rotating part comprises a fourth rotating shaft arranged in the rotating shell, one end of the fourth rotating shaft is connected with the motor controller shell through a fifth bearing, and the other end of the fourth rotating shaft is fixedly connected with the inner wall of the rotating shell.
Preferably, the restorer is including setting up in the first fixed plate of baffle one side, the top fixed connection of first fixed plate and motor controller casing, the baffle runs through first fixed plate, one side of baffle is equipped with the second fixed plate, the top fixed connection of second fixed plate and motor controller casing, one side of baffle and second fixed plate is through a plurality of fourth compression spring connection, the bottom of baffle and the top of dust screen contact, one side that first fixed plate is close to the second fixed plate is equipped with the handle, the bottom of handle and the top fixed connection of baffle, when needing to demolish the dust screen, the cleaning brush that rotatory shell drive corresponds is rotatory, and then make the cleaning brush no longer contact with the top of dust screen, the handle is held to the manual drive, the manual drive is the handle removal, make the baffle move towards the second fixed plate, and then make fourth compression spring be in compression state, thereby make the baffle no longer contact with the top of dust screen, can remove the injecture to the dust screen position, make the dust screen can shift up.
Compared with the prior art, the invention has the beneficial effects that:
(1) Through the design of the rotary driving mechanism, the two second rotating shafts can be driven to rotate, through the design of the rotating part, the rotating shell is connected with the motor controller shell in a rotating mode relative to the motor controller shell, through the design of the transmission mechanism, when the second rotating shaft rotates, the two rotating shells can be driven to rotate, when the second rotating shaft rotates, the second rotating shaft drives the rotating shell to rotate, through the matching of the first gear ring and the first gear, when the rotating shell drives the first gear ring to rotate, the first gear ring drives the first gears to rotate synchronously, and further the first rotating shafts respectively positioned above and below the circuit board body rotate simultaneously, so that the heat dissipation fan blades dissipate the heat of the top and the bottom of the circuit board body, the accumulation of heat is reduced, the stability of the permanent magnet synchronous motor controller is improved, through the design of the dustproof net, the possibility that external dust enters the motor controller shell through the mounting holes is reduced, when the rotating shell rotates, the rotating shell positioned at the top of the motor controller shell drives the two second connecting plates to rotate, and further the cleaning brush is connected with the elastic cleaning net unit, and the dustproof net is connected with the elastic cleaning brush unit;
(2) Through the matching of the fourth gear and the third gear, when the fourth gear rotates, the fourth gear can drive the third gear to rotate, when the fourth gear is driven to rotate by the motor, the fourth gear is further driven to rotate by the third gear, so that one of the second rotating shafts rotates, through the design of the synchronous rotating unit, when one of the second rotating shafts rotates, the chain wheel on one of the second rotating shafts drives the chain wheel on the other second rotating shaft to synchronously rotate through the chain, so that the two second rotating shafts synchronously rotate, through the design of the protective shell, the third gear, the fourth gear and the motor are protected, the situation that an operator mistakenly touches the third gear and the fourth gear is avoided, the bolt is manually driven to rotate, the bolt is separated from the motor controller shell and the mounting plate, the fixed relation between the protective shell and the motor controller shell can be released, the protective shell is manually driven to move away from the motor controller shell, and the dismantling of the protective shell can be completed;
(3) Through the design of the second gear ring, the second gear, the third rotating shaft, the fourth bearing, the first bevel gear and the second bevel gear, when the second rotating shaft rotates, the second bevel gear is driven to rotate through the second rotating shaft, and through the matching of the first bevel gear and the second bevel gear, when the second bevel gear rotates, the first bevel gear is driven to rotate through the second bevel gear, so that the second gears positioned at two sides of the second gear ring synchronously rotate, the second gear ring is driven to rotate through the second gear, the second gear ring can drive the rotating shell to rotate, and further the first gear ring positioned on the rotating shell rotates;
(4) Through the design of the cleaning brush, the second connecting plate, the prism, the through hole and the third compression spring, the cleaning brush is elastically connected with the second connecting plate, and the third compression spring is in a compression state, so that the third compression spring exerts downward force on the cleaning brush, the cleaning brush elastically presses the dustproof net, the cleaning brush is ensured to be in contact with the dustproof net, and through the design of the prism, the cleaning brush can only move in the vertical direction relative to the second connecting plate, and the cleaning brush is prevented from obliquely swinging relative to the second connecting plate;
(5) When the dust screen needs to be detached, the cleaning brush corresponding to the rotary shell is driven to rotate, the cleaning brush is further enabled not to contact with the top of the dust screen any more, the handle is manually held, the handle is manually driven to move, the baffle is enabled to move towards the second fixing plate, the fourth compression spring is further enabled to be in a compressed state, the baffle is further enabled not to contact with the top of the dust screen any more, limitation on the position of the dust screen is removed, at the moment, the first compression spring and the second compression spring are both in a compressed state, the first compression spring drives the first supporting plate to move upwards, the second compression spring drives the second supporting plate to move upwards, the dust screen is enabled to be separated from the mounting hole, detachment of the dust screen can be completed, when the dust screen needs to be installed, the dust screen is similarly driven to move to be right above the mounting hole, the dust screen is manually driven to move downwards to be inserted into the mounting hole, the dust screen drives the first supporting plate and the second supporting plate to move downwards, the first compression spring and the second compression spring is in a compressed state, the handle is loosened, the fourth compression spring drives the baffle to move far away from the second fixing plate, replacement of the top of the baffle is enabled to be convenient for replacement of the dust screen, and replacement of the dust screen can be completed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the interior of the motor controller housing of the present invention;
FIG. 3 is a schematic view of a portion A of FIG. 2;
FIG. 4 is a schematic view of a portion of the enlarged structure at B in FIG. 2;
FIG. 5 is a schematic structural diagram of the elastic support mechanism of the present invention;
FIG. 6 is a schematic structural view of the motor of the present invention;
FIG. 7 is a schematic structural diagram of a third rotating shaft according to the present invention;
FIG. 8 is a schematic structural view of the elastic support mechanism of the present invention;
fig. 9 is a schematic view of the structure of the inside of the rotating case according to the present invention.
In the figure: 1. a motor controller housing; 2. a circuit board body; 3. a first connecting plate; 4. a mounting frame; 5. rotating the shell; 6. a first rotating shaft; 7. a heat dissipation fan blade; 8. a first bearing; 9. a first gear; 10. a first gear ring; 11. a second rotating shaft; 12. mounting holes; 13. a dust screen; 14. cleaning a brush; 15. a second connecting plate; 16. a baffle plate; 17. a second bearing; 18. a third bearing; 19. a second gear ring; 20. a second gear; 21. a third rotating shaft; 22. a fourth bearing; 23. a first bevel gear; 24. a second bevel gear; 25. a sprocket; 26. a chain; 27. a third gear; 28. a fourth gear; 29. a motor; 30. a protective shell; 31. mounting a plate; 32. a bolt; 33. a counter bore; 34. a first support plate; 35. a second support plate; 36. a first pallet; 37. a second pallet; 38. a first compression spring; 39. a second compression spring; 40. a prism; 41. a through hole; 42. a third compression spring; 43. a fourth rotating shaft; 44. a fifth bearing; 45. a first fixing plate; 46. a second fixing plate; 47. a fourth compression spring; 48. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the first embodiment, as shown in fig. 1 to 9, the present invention includes a motor controller housing 1 and a circuit board body 2, the circuit board body 2 is disposed in the motor controller housing 1, the bottom of the circuit board body 2 is connected to the bottom inner wall of the motor controller housing 1 through a plurality of first connecting plates 3, the bottom of the motor controller housing 1 is fixedly connected to a plurality of mounting brackets 4, the top and the bottom of the motor controller housing 1 are both provided with a rotating housing 5, the rotating housing 5 is a cavity structure with an open end, the rotating housing 5 is connected to the motor controller housing 1 through a rotating member, both the upper and the lower of the circuit board body 2 are provided with a plurality of first rotating shafts 6, the first rotating shafts 6 are provided with a plurality of heat dissipating fan blades 7 fixedly connected thereto, one end of the first rotating shaft 6, which is far away from the circuit board body 2, penetrates through the inner wall of one side of the motor controller housing 1, the penetrating portion of the first rotating shaft 6 and the motor controller housing 1 is provided with a first bearing 8, a plurality of first gears 9 are arranged in a rotary shell 5, one end of a first rotating shaft 6 is fixedly connected with the first gears 9, a first gear ring 10 is fixedly connected on the inner wall of the rotary shell 5, the first gears 9 are meshed with gear teeth on the inner wall of the first gear ring 10, two second rotating shafts 11 are arranged in a motor controller shell 1, a rotary driving mechanism matched with the two second rotating shafts 11 is arranged on the motor controller shell 1, the second rotating shafts 11 are connected with the rotary shell 5 through a transmission mechanism, a plurality of mounting holes 12 are arranged on the inner wall of the top of the motor controller shell 1, a dust screen 13 is arranged in the mounting holes 12, an elastic supporting mechanism matched with the dust screen 13 is arranged in the mounting holes 12, a baffle 16 is arranged at the top of the dust screen 13, the baffle 16 is connected with the motor controller shell 1 through a restorer, two cleaning brushes 14 are arranged at the top of the motor controller shell 1, a second connecting plate 15 is arranged above the cleaning brush 14, the second connecting plate 15 is fixedly connected with the rotating shell 5 positioned at the top of the motor controller shell 1, and the cleaning brush 14 is connected with the second connecting plate 15 through an elastic pressing unit;
through the design of rotary driving mechanism, can drive two second pivots 11 rotatory, design through rotating the piece, make rotatory shell 5 rotate the connection relative to motor controller casing 1, design through drive mechanism, when second pivot 11 is rotatory, can drive two rotatory shells 5 rotatory, when second pivot 11 is rotatory, second pivot 11 drives rotatory shell 5 rotatory, cooperation through first ring gear 10 and first gear 9, when rotatory shell 5 drives first ring gear 10 rotatory, first ring gear 10 drives a plurality of first gear 9 synchronous revolution, and then make a plurality of be located circuit board body 2 top and below first pivot 6 rotatory simultaneously respectively, thereby make radiating fan blade 7 dispel the heat to the top and the bottom of circuit board body 2, reduce thermal pile-up, the stability of permanent magnet synchronous motor controller has been improved, through the design of dustproof net 13, reduce the possibility that outside dust enters into motor controller casing 1 through mounting hole 12, when rotatory shell 5 is rotatory, be located motor controller casing 1 top drive two second connecting plates 15, and then make the clearance brush shell 15 that clearance brush 14 can be carried out through the clearance motor controller casing 14 through the elastic connection of the pressure of the elastic connection of dustproof net 14, make the dustproof net 13 connect the top to the elastic cleaning motor controller casing 14, make the dustproof net 13, make the relative clearance.
In the second embodiment, based on the first embodiment, as shown in fig. 2, 3, 4, 6 and 8, the rotation driving mechanism includes a second bearing 17 disposed at one end of one of the second rotating shafts 11, one end of the second rotating shaft 11 is connected to the inner wall of one side of the motor controller housing 1 through the second bearing 17, the other end of the second rotating shaft 11 penetrates through the inner wall of the other side of the motor controller housing 1, a driver matched with one of the second rotating shafts 11 is disposed on the motor controller housing 1, both ends of the other second rotating shaft 11 are connected to the inner wall of the motor controller housing 1 through a third bearing 18, the two second rotating shafts 11 are connected through a synchronous rotating unit, the synchronous rotating unit includes a sprocket 25 sleeved outside the second rotating shafts 11, the sprocket 25 is fixedly connected to the second rotating shafts 11, the two chain wheels 25 are connected through a chain 26, the driver comprises a third gear 27 arranged on one side of the motor controller shell 1, one end of one second rotating shaft 11 is fixedly connected with the third gear 27, a fourth gear 28 is arranged at the bottom of the third gear 27, the fourth gear 28 is meshed with the third gear 27, a motor 29 is fixedly connected on one side of the motor controller shell 1, the output end of the motor 29 is fixedly connected with the fourth gear 28, a protective shell 30 is arranged on one side of the motor controller shell 1, the protective shell 30 is of a cavity structure with an opening at one end, mounting plates 31 are fixedly connected to two sides of the protective shell 30, the mounting plates 31 are connected with the motor controller shell 1 through a plurality of bolts 32, and the third gear 27, the fourth gear 28 and the motor 29 are all located in the protective shell 30;
through the matching of the fourth gear 28 and the third gear 27, when the fourth gear 28 rotates, the fourth gear 28 can drive the third gear 27 to rotate, and when the fourth gear 28 rotates through the driving of the motor 29, the fourth gear 28 drives the third gear 27 to rotate, so that one of the second rotating shafts 11 rotates, through the design of the synchronous rotating unit, when one of the second rotating shafts 11 rotates, the chain wheel 25 on one of the second rotating shafts 11 drives the chain wheel 25 on the other second rotating shaft 11 to rotate synchronously through the chain 26, so that the two second rotating shafts 11 rotate synchronously, through the design of the protective shell 30, the third gear 27, the fourth gear 28 and the motor 29 are protected, so that an operator is prevented from mistakenly touching the third gear 27 and the fourth gear 28, the bolt 32 is manually driven to rotate, so that the bolt 32 is separated from the motor controller shell 1 and the mounting plate 31, that the fixed relation between the protective shell 30 and the motor controller shell 1 can be released, and the protective shell 30 is manually driven to move away from the motor controller shell 1, and the protective shell 30 can be removed.
In a third embodiment, based on the first embodiment, as shown in fig. 2, 3, 7 and 8, the transmission mechanism includes a second gear ring 19 sleeved outside the rotating casing 5, the second gear ring 19 is fixedly connected to the rotating casing 5, the second gear 20 is disposed on both sides of the second gear ring 19, the second gear 20 is engaged with the second gear ring 19, two third rotating shafts 21 are disposed above and below the circuit board body 2, one end of each of the third rotating shafts 21, which is far away from the circuit board body 2, penetrates through the inner wall of the motor controller casing 1, a fourth bearing 22 is disposed at a penetrating position of each of the third rotating shafts 21 and the motor controller casing 1, one end of each of the third rotating shafts 21 is fixedly connected to the second gear 20, the other end of each of the third rotating shafts 21 is fixedly connected to a first bevel gear 23 located in the motor controller casing 1, two second bevel gears 24 are sleeved outside the second rotating shafts 11, the second bevel gears 24 are fixedly connected to the second rotating shafts 11, and the first bevel gears 23 are engaged with the second bevel gears 24;
through the design of the second gear ring 19, the second gear 20, the third rotating shaft 21, the fourth bearing 22, the first bevel gear 23 and the second bevel gear 24, when the second rotating shaft 11 rotates, the second bevel gear 24 is driven to rotate through the second rotating shaft 11, through the matching of the first bevel gear 23 and the second bevel gear 24, when the second bevel gear 24 rotates, the first bevel gear 23 is driven to rotate through the second bevel gear 24, and further the second gears 20 on two sides of the second gear ring 19 synchronously rotate, so that the second gear ring 19 is driven to rotate through the second gear 20, the second gear ring 19 can drive the rotating shell 5 to rotate, and further the first gear ring 10 on the rotating shell 5 rotates.
Fourth embodiment, on the basis of the first embodiment, as shown in fig. 2, 4 and 5, the elastic supporting mechanism includes a first supporting plate 34 and a second supporting plate 35 disposed in the mounting hole 12, the first supporting plate 34 and the second supporting plate 35 are both fixedly connected to the inner wall of the mounting hole 12, a first supporting plate 36 is disposed above the first supporting plate 34, the first supporting plate 34 and the first supporting plate 36 are connected by a plurality of first compression springs 38, a second supporting plate 37 is disposed above the second supporting plate 35, the second supporting plate 37 and the second supporting plate 35 are connected by a plurality of second compression springs 39, the tops of the first supporting plate 36 and the second supporting plate 37 are both in contact with the bottom of the dust screen 13, the repositor includes a first fixing plate 45 disposed on one side of the baffle 16, the first fixing plate 45 is fixedly connected to the top of the motor controller housing 1, the baffle 16 penetrates through the first fixing plate 45, a second fixing plate 46 is disposed on one side of the baffle 16, a handle 48 is disposed on one side of the baffle 16 and is connected to the bottom of the baffle 16, and a handle 48 is disposed on one side of the baffle 16;
when the dust screen 13 needs to be detached, the rotating shell 5 drives the corresponding cleaning brush 14 to rotate, so that the cleaning brush 14 is not contacted with the top of the dust screen 13 any more, the handle 48 is manually held, the handle 48 is manually driven to move, the baffle 16 moves towards the second fixing plate 46, so that the fourth compression spring 47 is in a compression state, so that the baffle 16 is not contacted with the top of the dust screen 13 any more, the limitation on the position of the dust screen 13 is removed, at the moment, the first compression spring 38 and the second compression spring 39 are both in a compression state, so that the first support plate 36 is driven to move upwards by the first compression spring 38, the second support plate 37 is driven to move upwards by the second compression spring 39, so that the dust screen 13 is separated from the mounting hole 12, the dust screen 13 can be detached, when the dust screen 13 needs to be mounted, the same is also true, the dust screen 13 is manually driven to move to be right above the mounting hole 12, the dust screen 13 is inserted into the mounting hole 12, the dust screen 13 drives the first support plate 36 and the second support plate 37 to move downwards, so that the baffle 16 and the baffle 16 is moved to the top of the baffle 13 is separated from the second compression spring, so that the baffle 16 is removed, and the baffle 13 is convenient for replacing the baffle 13, and the baffle 16 is removed, and the baffle 13 is moved, and the dust screen 13 is convenient for replacing the baffle 16 is convenient for replacing the dust screen 13.
Fifth embodiment, on the basis of the first embodiment, as shown in fig. 2, 4, 8, and 9, the elastic pressing unit includes a prism 40 disposed on the top of the cleaning brush 14, the bottom of the prism 40 is fixedly connected to the top of the cleaning brush 14, a through hole 41 is disposed on the top of the second connecting plate 15, the prism 40 penetrates through the through hole 41, the cleaning brush 14 is connected to the second connecting plate 15 through a plurality of third compression springs 42, the mounting frame 4 is an L-shaped structure, a counterbore 33 is disposed on the mounting frame 4, the rotating member includes a fourth rotating shaft 43 disposed in the rotating housing 5, one end of the fourth rotating shaft 43 is connected to the motor controller housing 1 through a fifth bearing 44, and the other end of the fourth rotating shaft 43 is fixedly connected to the inner wall of the rotating housing 5;
through cleaning brush 14, second connecting plate 15, prism 40, through-hole 41 and third compression spring 42's design, make cleaning brush 14 second connecting plate 15 elastic connection relatively, because third compression spring 42 is in compression state, and then make third compression spring 42 exert decurrent power to cleaning brush 14, thereby make cleaning brush 14 elasticity press dust screen 13, ensure that cleaning brush 14 contacts with dust screen 13, through prism 40's design, make cleaning brush 14 can only remove second connecting plate 15 vertical direction relatively, avoid cleaning brush 14 to rock the slope relatively second connecting plate 15, design through fourth pivot 43 and fifth bearing 44, make swivel housing 5 rotate relatively motor controller casing 1 and connect.
The working principle is as follows: in operation, through the design of the rotary driving mechanism, two second rotating shafts 11 can be driven to rotate, through the design of the rotating parts, the rotating shell 5 is rotatably connected with the motor controller shell 1, through the design of the transmission mechanism, when the second rotating shafts 11 rotate, two rotating shells 5 can be driven to rotate, when the second rotating shafts 11 rotate, the second rotating shafts 11 drive the rotating shells 5 to rotate, through the matching of the first gear ring 10 and the first gear 9, when the rotating shell 5 drives the first gear ring 10 to rotate, the first gear ring 10 drives a plurality of first gears 9 to synchronously rotate, and further, a plurality of first rotating shafts 6 respectively located above and below the circuit board body 2 simultaneously rotate, so that the heat dissipation fan blades 7 dissipate the top and the bottom of the circuit board body 2, the accumulation of heat is reduced, the stability of the permanent magnet synchronous motor controller is improved, through the design of the dustproof mesh 13, the possibility that external dust enters the motor controller shell 1 through the mounting holes 12 is reduced, when the rotating shell 5 rotates, the rotating shell 5 located at the top of the motor controller shell 1 drives the two second rotating brushes 15, and further, the dustproof brush 14 can clean the fourth rotating brush 14 through the elastic connection plate 14, and the elastic connection plate 14, when the third rotating gear 14 is connected with the rotating gear 14, the fourth rotating gear 14, the rotating gear 14, and the cleaning gear 14 are connected with the third gear 14, so that one of the second rotating shafts 11 rotates, through the design of the synchronous rotating unit, when one of the second rotating shafts 11 rotates, the chain wheel 25 on one of the second rotating shafts 11 drives the chain wheel 25 on the other second rotating shaft 11 to rotate synchronously through the chain 26, so that the two second rotating shafts 11 rotate synchronously, through the design of the protective shell 30, the third gear 27, the fourth gear 28 and the motor 29 are protected, the third gear 27 and the fourth gear 28 are prevented from being touched by an operator by mistake, the bolt 32 is driven to rotate manually, the bolt 32 is separated from the motor controller shell 1 and the mounting plate 31, the fixed relation between the protective shell 30 and the motor controller shell 1 can be released, the protective shell 30 is driven to move away from the motor controller shell 1 manually, and the removal of the protective shell 30 can be completed, through the design of the second gear ring 19, the second gear 20, the third rotating shaft 21, the fourth bearing 22, the first bevel gear 23 and the second bevel gear 24, when the second rotating shaft 11 rotates, the second bevel gear 24 is driven to rotate through the second rotating shaft 11, through the matching of the first bevel gear 23 and the second bevel gear 24, when the second bevel gear 24 rotates, the first bevel gear 23 is driven to rotate through the second bevel gear 24, and further the second gears 20 on both sides of the second gear ring 19 rotate synchronously, so that the second gear ring 19 is driven to rotate through the second gear 20, the second gear ring 19 can drive the rotating shell 5 to rotate, and further the first gear ring 10 on the rotating shell 5 rotates, through the design of the cleaning brush 14, the second connecting plate 15, the prism 40, the through hole 41 and the third compression spring 42, the cleaning brush 14 is elastically connected with respect to the second connecting plate 15, and because the third compression spring 42 is in a compressed state, further, the third compression spring 42 applies downward force to the cleaning brush 14, so that the cleaning brush 14 elastically presses the dust screen 13, the cleaning brush 14 is ensured to be in contact with the dust screen 13, the cleaning brush 14 can only move vertically relative to the second connecting plate 15 through the design of the prism 40, the cleaning brush 14 is prevented from obliquely swinging relative to the second connecting plate 15, when the dust screen 13 needs to be removed, the rotating shell 5 drives the corresponding cleaning brush 14 to rotate, so that the cleaning brush 14 is not in contact with the top of the dust screen 13, the handle 48 is manually held, the handle 48 is manually driven to move, so that the baffle 16 moves towards the second fixing plate 46, so that the fourth compression spring 47 is in a compressed state, so that the baffle 16 is not in contact with the top of the dust screen 13 any more, the limitation on the position of the dust screen 13 is removed, at the moment, the first compression spring 38 and the second compression spring 39 are both in a compressed state, the first compression spring 38 drives the first supporting plate 36 to move upwards, the second compression spring 39 drives the second compression spring 37 to move upwards, so that the baffle 13 is separated from the mounting hole 13, so that the baffle 13 is separated from the second compression spring 13, and the baffle 13 is removed, and the baffle 13 is driven by manual operation is completed, and the manual operation is completed, the installation of the dust screen 13 can be completed, and the dust screen 13 is convenient to replace.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (9)
1. The utility model provides a PMSM controller with cooling structure, includes motor controller casing (1) and circuit board body (2), its characterized in that: the circuit board body (2) is arranged in the motor controller shell (1), the bottom of the circuit board body (2) is connected with the inner wall of the bottom of the motor controller shell (1) through a plurality of first connecting plates (3), the bottom of the motor controller shell (1) is fixedly connected with a plurality of mounting frames (4), the top and the bottom of the motor controller shell (1) are both provided with rotating shells (5), each rotating shell (5) is of a cavity structure with an opening at one end, each rotating shell (5) is connected with the motor controller shell (1) through a rotating part, a plurality of first rotating shafts (6) are arranged above and below the circuit board body (2), a plurality of heat dissipation fan blades (7) fixedly connected with the first rotating shafts (6) are arranged on the first rotating shafts (6), one ends of the first rotating shafts (6) far away from the circuit board body (2) penetrate through the inner wall of one side of the motor controller shell (1), first bearings (8) are arranged at the penetrating positions of the first rotating shafts (6) and the motor controller shell (1), a plurality of first gears (9) are arranged in the rotating shells (5), one ends of the first rotating shafts (6) are connected with a first gear ring (10), and two gear rings (10) which are connected with a motor controller shell (1), a rotary driving mechanism matched with the two second rotating shafts (11) is arranged on the motor controller shell (1), the second rotating shafts (11) are connected with the rotary shell (5) through a transmission mechanism, a plurality of mounting holes (12) are formed in the inner wall of the top of the motor controller shell (1), dust screens (13) are arranged in the mounting holes (12), elastic supporting mechanisms matched with the dust screens (13) are arranged in the mounting holes (12), baffles (16) are arranged on the tops of the dust screens (13), the baffles (16) are connected with the motor controller shell (1) through a restorer, two cleaning brushes (14) are arranged on the top of the motor controller shell (1), a second connecting plate (15) is arranged above the cleaning brushes (14), the second connecting plate (15) is fixedly connected with the rotary shell (5) positioned on the top of the motor controller shell (1), and the cleaning brushes (14) and the second connecting plate (15) are connected through an elastic pressing unit;
the outside second gear ring (19) of rotatory shell (5) is located including the cover to drive mechanism, second gear ring (19) and rotatory shell (5) fixed connection, the both sides of second gear ring (19) all are equipped with second gear (20), second gear (20) and second gear ring (19) mesh mutually, the top and the below of circuit board body (2) all are equipped with two third pivot (21), the inner wall of motor controller casing (1) is run through to the one end that circuit board body (2) were kept away from in third pivot (21), the department of running through of third pivot (21) and motor controller casing (1) is equipped with fourth bearing (22), the one end and second gear (20) fixed connection of third pivot (21), the other end and the first conical gear (23) fixed connection who is located motor controller casing (1) of third pivot (21), the outside cover of second pivot (11) is equipped with two second conical gear (24), second conical gear (24) and second pivot (11) fixed connection, and first conical gear (23) meshing mutually.
2. The permanent magnet synchronous motor controller with a cooling structure according to claim 1, characterized in that: the rotary driving mechanism comprises a second bearing (17) arranged at one end of one of the second rotating shafts (11), one end of the second rotating shaft (11) is connected with the inner wall of one side of the motor controller shell (1) through the second bearing (17), the other end of the second rotating shaft (11) penetrates through the inner wall of the other side of the motor controller shell (1), a driver matched with the one of the second rotating shafts (11) is arranged on the motor controller shell (1), the two ends of the other second rotating shaft (11) are connected with the inner wall of the motor controller shell (1) through third bearings (18), and the two second rotating shafts (11) are connected through a synchronous rotating unit.
3. The permanent magnet synchronous motor controller with a cooling structure according to claim 2, characterized in that: the synchronous rotating unit comprises a chain wheel (25) sleeved outside the second rotating shaft (11), the chain wheel (25) is fixedly connected with the second rotating shaft (11), and the two chain wheels (25) are connected through a chain (26).
4. The permanent magnet synchronous motor controller with a cooling structure according to claim 2, characterized in that: the driver is including setting up in third gear (27) of motor controller casing (1) one side, the one end and third gear (27) fixed connection of one of them second pivot (11), the bottom of third gear (27) is equipped with fourth gear (28), fourth gear (28) and third gear (27) mesh mutually, one side fixedly connected with motor (29) of motor controller casing (1), the output and the fourth gear (28) fixed connection of motor (29).
5. The permanent magnet synchronous motor controller with a cooling structure according to claim 4, characterized in that: one side of motor controller casing (1) is equipped with protecting crust (30), and protecting crust (30) are one end open-ended cavity structure, and the equal fixedly connected with mounting panel (31) in both sides of protecting crust (30), and mounting panel (31) and motor controller casing (1) are connected through a plurality of bolts (32), and third gear (27), fourth gear (28) and motor (29) all are located protecting crust (30).
6. The permanent magnet synchronous motor controller with a cooling structure according to claim 1, characterized in that: elastic support mechanism is including setting up first backup pad (34) and second backup pad (35) in mounting hole (12), first backup pad (34) and second backup pad (35) all with the inner wall fixed connection of mounting hole (12), the top of first backup pad (34) is equipped with first layer board (36), first backup pad (34) and first layer board (36) are connected through a plurality of first compression spring (38), the top of second backup pad (35) is equipped with second layer board (37), second layer board (37) and second backup pad (35) are connected through a plurality of second compression spring (39), and the top of first layer board (36) and second layer board (37) all contacts with the bottom of dust screen (13).
7. The permanent magnet synchronous motor controller with a cooling structure according to claim 1, characterized in that: the elastic pressing unit comprises a prism (40) arranged at the top of the cleaning brush (14), the bottom of the prism (40) is fixedly connected with the top of the cleaning brush (14), a through hole (41) is formed in the top of the second connecting plate (15), the prism (40) penetrates through the through hole (41), and the cleaning brush (14) is connected with the second connecting plate (15) through a plurality of third compression springs (42).
8. The permanent magnet synchronous motor controller with a cooling structure according to claim 1, characterized in that: mounting bracket (4) are L shape structure, have seted up counter bore (33) on mounting bracket (4), rotate the piece including setting up fourth pivot (43) in rotatory shell (5), and the one end and the motor controller casing (1) of fourth pivot (43) are connected through fifth bearing (44), and the other end of fourth pivot (43) and the inner wall of rotatory shell (5) pass through fixed connection.
9. The permanent magnet synchronous motor controller with a cooling structure according to claim 1, characterized in that: the restorer is including setting up in first fixed plate (45) of baffle (16) one side, the top fixed connection of first fixed plate (45) and motor controller casing (1), baffle (16) run through first fixed plate (45), one side of baffle (16) is equipped with second fixed plate (46), the top fixed connection of second fixed plate (46) and motor controller casing (1), one side of baffle (16) and second fixed plate (46) is connected through a plurality of fourth compression spring (47), the bottom of baffle (16) and the top of dust screen (13) contact, one side that first fixed plate (45) are close to second fixed plate (46) is equipped with handle (48), the bottom of handle (48) and the top fixed connection of baffle (16).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211112643.6A CN115208269B (en) | 2022-09-14 | 2022-09-14 | Permanent magnet synchronous motor controller with cooling structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211112643.6A CN115208269B (en) | 2022-09-14 | 2022-09-14 | Permanent magnet synchronous motor controller with cooling structure |
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| CN115208269A CN115208269A (en) | 2022-10-18 |
| CN115208269B true CN115208269B (en) | 2022-12-02 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211556458U (en) * | 2020-04-28 | 2020-09-22 | 兰州工业学院 | Dust keeper of little grid equipment |
| CN216131119U (en) * | 2021-06-05 | 2022-03-25 | 深圳市百创源电子有限公司 | Convenient clear radiator fan for converter |
| CN114759858A (en) * | 2022-06-13 | 2022-07-15 | 常州嘉博艺电子有限公司 | Permanent magnet synchronous motor controller based on multiple heat dissipation |
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2022
- 2022-09-14 CN CN202211112643.6A patent/CN115208269B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211556458U (en) * | 2020-04-28 | 2020-09-22 | 兰州工业学院 | Dust keeper of little grid equipment |
| CN216131119U (en) * | 2021-06-05 | 2022-03-25 | 深圳市百创源电子有限公司 | Convenient clear radiator fan for converter |
| CN114759858A (en) * | 2022-06-13 | 2022-07-15 | 常州嘉博艺电子有限公司 | Permanent magnet synchronous motor controller based on multiple heat dissipation |
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| CN115208269A (en) | 2022-10-18 |
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