CN115566856B - Permanent magnet synchronous motor driving device - Google Patents
Permanent magnet synchronous motor driving device Download PDFInfo
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- CN115566856B CN115566856B CN202211255676.6A CN202211255676A CN115566856B CN 115566856 B CN115566856 B CN 115566856B CN 202211255676 A CN202211255676 A CN 202211255676A CN 115566856 B CN115566856 B CN 115566856B
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- magnet synchronous
- synchronous motor
- rod
- storage tank
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 89
- 238000003860 storage Methods 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000005461 lubrication Methods 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 230000001050 lubricating effect Effects 0.000 claims 1
- 239000000498 cooling water Substances 0.000 abstract description 19
- 238000005086 pumping Methods 0.000 abstract description 12
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 abstract description 2
- 230000005347 demagnetization Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 17
- 238000010521 absorption reaction Methods 0.000 description 15
- 239000010687 lubricating oil Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 238000001816 cooling Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 239000000243 solution Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000012466 permeate Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000010405 clearance mechanism Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/12—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with feed by capillary action, e.g. by wicks
-
- 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
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
- H02K9/227—Heat sinks
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to the field of permanent magnet synchronous motors and discloses a permanent magnet synchronous motor driving device which comprises a permanent magnet synchronous motor main body, a driving main shaft, a tail machine cover, a motor fan and a pumping and temperature reducing mechanism, wherein the driving main shaft is arranged at the left end of the permanent magnet synchronous motor main body, the tail machine cover is arranged at the right end of the permanent magnet synchronous motor main body, the motor fan is arranged in the tail machine cover and is rotationally connected with the driving main shaft, a central shaft of the motor fan is movably connected with the pumping and temperature reducing mechanism, the pumping and temperature reducing mechanism comprises a connecting swing rod, the device can conveniently utilize the rotating force of the motor fan to drive cooling water in a water storage tank, continuously flow out of the surface of the permanent magnet synchronous motor main body, absorb heat generated on the surface of the permanent magnet synchronous motor main body, and reflow the heat in the water storage tank for heat exchange, so that the damage to internal components of the permanent magnet synchronous motor main body caused by heat accumulation is avoided, and abnormal phenomena such as demagnetization are prevented.
Description
Technical Field
The invention relates to the technical field of permanent magnet synchronous motors, in particular to a permanent magnet synchronous motor driving device.
Background
The permanent magnet synchronous motor is formed by a stator, a rotor, an end cover and other parts, the stator is basically the same as a common induction motor, a lamination structure is adopted to reduce the iron loss when the motor operates, the rotor can be made into a solid structure, lamination can be used, concentrated whole-distance windings can be adopted, and distributed short-distance windings and unconventional windings can also be adopted for armature windings;
however, the existing permanent magnet synchronous motor driving device lacks the measure of utilizing the rotating force of a fan to accelerate cooling water to continuously flow through the outer shell of the motor, the cooling of the outer shell of the motor is imperfect, and the connecting point of the output shaft of the motor is difficult to synchronously dissipate heat, so that the device is very inconvenient, and certain potential safety hazards can be brought to high temperature in the long-time operation process.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects existing in the prior art, the invention provides the permanent magnet synchronous motor driving device, which can effectively solve the problems that the permanent magnet synchronous motor driving device in the prior art lacks the rotating force of a fan, the cooling water is accelerated to continuously flow through the outer shell of the motor, the cooling of the outer shell of the motor is imperfect, the heat dissipation of the connecting point of the output shaft of the motor is difficult to synchronously realize, and certain potential safety hazards are brought by high temperature in the long-time operation process.
(II) technical scheme
In order to achieve the above object, the present invention is realized by the following technical scheme,
the invention discloses a permanent magnet synchronous motor driving device, which comprises a permanent magnet synchronous motor main body, a driving main shaft, a tail machine cover, a motor fan and a pumping and cooling mechanism, wherein the driving main shaft is arranged at the left end of the permanent magnet synchronous motor main body, the tail machine cover is arranged at the right end of the permanent magnet synchronous motor main body, the motor fan is internally arranged in the tail machine cover and is rotationally connected with the driving main shaft, a central shaft of the motor fan is movably connected with the pumping and cooling mechanism, the pumping and cooling mechanism comprises a connecting swing rod, the connecting swing rod is rotationally connected with the tail machine cover, the left end of the connecting swing rod is fixedly connected with the central shaft of the motor fan, the right end of the connecting swing rod is sleeved with a traction rod, the surface of the traction rod is sleeved with a limit sleeve rod, the left side of the limit sleeve rod is hinged with a first piston rod, the surface of the first piston rod is sleeved with a water guide tube, the bottom end of the limit frame is fixedly connected with the top end of the tail machine cover, the bottom end of the water guide tube is fixedly connected with the surface of the limit frame, the bottom of the water guide tube is fixedly connected with the surface of the water guide tube, the water guide tube is fixedly connected with the two water guide tubes, the water guide tubes are fixedly connected with the top surfaces of the water guide tube are fixedly connected with the water guide tubes, the water guide tube is fixedly connected with the water guide tubes, and has the water guide tubes, the bottom of jet pipe and the fixed surface connection of water storage box, the surface of drive main shaft is provided with lubrication mechanism, lubrication mechanism is used for providing lubrication when the drive main shaft is rotatory, the surface of connecting the pendulum rod is provided with the clearance mechanism, the clearance mechanism is used for with connecting the synchronous rotation of pendulum rod to clean the surface of motor fan.
Still further, the surface of water storage tank evenly installs the annular copper sheet, the one end of annular copper sheet is located the inside of water storage tank, the other end of annular copper sheet is located the outside of water storage tank.
Furthermore, the front surface of the water storage tank is provided with a switch valve, and the water inlet end of the switch valve is communicated with the water storage tank.
Still further, lubrication mechanism includes the sleeve shell, the sleeve shell cover is established on the surface of drive spindle, the sleeve shell is connected through two sets of mounting brackets with drive spindle, the inside fixedly connected with sponge ring of sleeve shell, the top intercommunication of sleeve shell has the connecting pipe, the connecting pipe is pegged graft on the surface of top mounting bracket, the top of connecting pipe is provided with the oil collecting tank, the bottom of oil collecting tank is linked together with the top of connecting pipe, the oiling mouth has been seted up on the top of oil collecting tank.
Furthermore, one end of the mounting frame is fixedly connected with the surface of the shell, and the other end of the mounting frame is fixedly connected with the surface of the driving main shaft.
Still further, the clearance mechanism includes the swivel nut, the swivel nut passes through the thread bush and establishes on the surface of connecting the pendulum rod, the external screw thread with the internal thread looks adaptation on the swivel nut inner wall has been seted up on the surface of connecting the pendulum rod, the fixed surface of swivel nut is connected with the movable rod, the surface sliding connection of movable rod has the sleeve, telescopic fixed surface is connected with the connecting plate, the surface cover of movable rod has torsion spring, the surface of connecting plate is provided with the brush board, the connecting plate is connected through the bolt with the brush board.
Further, one end of the torsion spring is fixedly connected with the surface of the movable rod, and the other end of the torsion spring is fixedly connected with the surface of the sleeve.
Further, the surface of the screw sleeve is sleeved with a rotary drum, and the screw sleeve is positioned on the right side of the surface of the screw sleeve.
A method of driving a permanent magnet synchronous motor, comprising the steps of:
step1: cooling water is injected into the water storage tank through the water injection hole;
step2: starting a permanent magnet synchronous motor main body, driving a main shaft to rotate, driving a motor fan to rotate, sliding a traction rod in a limit sleeve rod under the traction of the limit sleeve rod, synchronously driving a first piston rod to reciprocate in a water guide cylinder, sucking cooling water in a water storage tank into a heat absorption plate, and returning the cooling water in the heat absorption plate to the water storage tank again for heat exchange when the first piston rod is in a reset state;
step3: when the first piston rod is in a reciprocating state, the connecting rod drives the second piston rod to move in the gas guide cylinder, and the second piston rod continuously pumps gas and sprays the gas to the joint of the driving main shaft through the gas spraying pipe;
step4: when dust is required to be removed, a user can rotate the rotary drum, so that when the brush plate is abutted against the filter screen on the surface of the motor fan, the permanent magnet synchronous motor main body is started, the connecting swing rod drives the screw sleeve to rotate, and the brush plate wipes the filter screen on the surface of the motor fan;
step5: when the connecting part of the driving main shaft and the permanent magnet synchronous motor main body needs to be lubricated, a user can inject lubricating oil into the oil collecting tank through the oil filling port, so that the lubricating oil flows into the shell through the connecting pipe and permeates the sponge ring, and after the driving main shaft rotates, the lubricating oil of the sponge ring is uniformly smeared at the connecting part position of the permanent magnet synchronous motor main body and the driving main shaft.
(III) beneficial effects
Compared with the prior art, the technical proposal provided by the invention has the following beneficial effects,
1. according to the invention, through increasing the temperature-reducing pumping measures, when the device is started, the main shaft is driven to rotate, the motor fan is driven to rotate, the rotating force of the motor fan is utilized, the first piston rod is synchronously driven to reciprocate in the limiting frame, and then the first piston rod reciprocates in the water guide cylinder, cooling water is injected into the water storage tank in advance through the water injection hole, suction force is generated in the moving process of the first piston rod, so that the cooling water in the water storage tank is pumped into the heat absorption plate by the water absorption pipe, when the first piston rod is in a reset state, the cooling water in the heat absorption plate is reflowed to the water storage tank for heat exchange, so that the device can conveniently utilize the rotating force of the motor fan to drive the cooling water in the water storage tank to continuously flow through the surface of the permanent magnet synchronous motor body, absorb heat generated by the surface of the permanent magnet synchronous motor body and reflow into the water storage tank for heat exchange, damage to internal components of the permanent magnet synchronous motor body caused by heat accumulation is avoided, abnormal phenomena such as demagnetization are prevented, and the integrated operation is convenient;
2. according to the invention, by adding the measure of synchronously radiating the joint of the driving main shaft, when the first piston rod is in a reciprocating state, the connecting rod drives the second piston rod to move in the air guide cylinder, the second piston rod continuously pumps air and sprays the air to the joint of the driving main shaft through the air injection pipe, so that the measure of synchronously radiating the joint of the driving main shaft is realized in the operation process, heat is prevented from being accumulated at the joint of the driving main shaft, the dangerous situations of looseness and the like of the joint of the driving main shaft due to high temperature are avoided, and the safety in use is improved;
3. according to the invention, by adding the cleaning mechanism, certain dust can be accumulated on the filter screen on the surface of the motor fan under long-time running, the user can rotate the rotary drum, when the brush plate is abutted against the filter screen on the surface of the motor fan, the user then restarts the permanent magnet synchronous motor main body, so that the connecting swing rod drives the screw sleeve to rotate, and the brush plate wipes the filter screen on the surface of the motor fan, so that the user can conveniently complete cleaning operation of the motor fan in the process of maintenance and repair, hard contact of the brush plate to the filter screen of the motor fan is avoided through the resilience force of the torsion spring, a certain fault tolerance is provided, damage is prevented, and the operation difficulty of the user is reduced;
4. according to the invention, by adding the lubrication mechanism, when a user needs to lubricate the joint of the driving main shaft and the permanent magnet synchronous motor main body, the user can inject lubricating oil into the oil collecting tank through the oil injection port, so that the lubricating oil flows into the casing through the connecting pipe and permeates into the sponge ring, and after the driving main shaft rotates, the lubricating oil of the sponge ring is uniformly smeared at the joint of the permanent magnet synchronous motor main body and the driving main shaft, so that the user can lubricate the joint of the permanent magnet synchronous motor main body and the driving main shaft conveniently, and meanwhile, the joint of the permanent magnet synchronous motor main body and the driving main shaft is sealed to a certain extent, so that foreign matters are prevented from entering and the rotation of the driving main shaft is hindered.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a front perspective view of the present invention;
FIG. 2 is a rear perspective view of the present invention;
FIG. 3 is a side perspective view of the first piston rod, the limiting frame and the water guide tube according to the present invention;
FIG. 4 is a side perspective sectional view of the second piston rod, gas cylinder and gas lance of the present invention;
FIG. 5 is a front perspective view of a cross-section of the water reservoir and the copper ring in accordance with the present invention;
FIG. 6 is a side perspective view of the purge mechanism of the present invention;
FIG. 7 is a bottom perspective view of the present invention;
fig. 8 is a side perspective view of a lubrication mechanism according to the present invention.
Reference numerals in the drawings represent respectively 1, permanent magnet synchronous motor main body; 2. driving a main shaft; 3. a tail cover; 4. a motor fan; 5. a water storage tank; 6. connecting a swinging rod; 7. a traction rod; 8. a limit loop bar; 9. a limiting frame; 10. a first piston rod; 11. a water guide tube; 12. joining the catheter; 13. collecting pipes; 14. a heat absorbing plate; 15. a water suction pipe; 16. a connecting rod; 17. a second piston rod; 18. a gas cylinder; 19. a gas lance; 20. a water injection hole; 21. a casing; 22. an oil collecting tank; 23. an oil filling port; 24. a sponge ring; 25. a connecting pipe; 26. a mounting frame; 27. a switch valve; 28. a ring copper sheet; 29. a connecting plate; 30. a brush plate; 31. a sleeve; 32. a movable rod; 33. a torsion spring; 34. a screw sleeve; 35. a rotating drum.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of 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. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. 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.
The invention is further described below with reference to examples.
Example 1
The permanent magnet synchronous motor driving device of the embodiment comprises a permanent magnet synchronous motor main body 1, a driving main shaft 2, a tail machine cover 3, a motor fan 4 and a pumping and cooling mechanism, wherein the driving main shaft 2 is arranged at the left end of the permanent magnet synchronous motor main body 1, the tail machine cover 3 is arranged at the right end of the permanent magnet synchronous motor main body 1, a motor fan 4 is arranged in the tail machine cover 3, the motor fan 4 is rotationally connected with the driving main shaft 2, a central shaft of the motor fan 4 is movably connected with the pumping and cooling mechanism, the pumping and cooling mechanism comprises a connecting swing rod 6, the connecting swing rod 6 is rotationally connected with the tail machine cover 3, the left end of the connecting swing rod 6 is fixedly connected with the central shaft of the motor fan 4, a traction rod 7 is sleeved at the right end of the connecting swing rod 6, a limit sleeve rod 8 is sleeved on the surface of the traction rod 7, a first piston rod 10 is sleeved on the surface of the first piston rod 10, a limit frame 9 is sleeved on the surface of the first piston rod 10, the bottom end of the limit frame 9 is fixedly connected with the top of the tail machine cover 3, the central shaft is movably connected with the pumping tube 11, the central shaft is movably connected with the pumping tube 2, the water suction pipe 14 is fixedly connected with the water suction pipe 15 of the water suction pipe 1, the water suction pipe 14 is fixedly connected with the water suction pipe 14, the water suction pipe 13 is fixedly connected with the water suction pipe 13, and the water tank 13 is fixedly connected with the water suction pipe 13.
As shown in fig. 5, the surface of the water storage tank 5 is uniformly provided with a circular copper sheet 28, one end of the circular copper sheet 28 is positioned inside the water storage tank 5, and the other end of the circular copper sheet 28 is positioned outside the water storage tank 5.
As shown in fig. 1, the front surface of the water storage tank 5 is provided with a switch valve 27, and the water inlet end of the switch valve 27 is communicated with the water storage tank 5.
In the embodiment, when the device is started, the main shaft 2 is driven to rotate, the motor fan 4 is driven to rotate, the connecting swing rod 6 is driven to rotate by utilizing the rotating force of the motor fan 4, the connecting swing rod 6 drives the traction rod 7 to rotate, the traction rod 7 slides in the limit sleeve rod 8 under the traction of the limit sleeve rod 8 and synchronously drives the first piston rod 10 to reciprocate in the limit frame 9, the first piston rod 10 further reciprocates in the water guide cylinder 11, cooling water is injected into the water storage tank 5 in advance through the water injection hole 20, the first piston rod 10 generates suction force in the moving process and is transmitted to the heat absorption plate 14 through the connecting guide pipe 12 and the collecting pipe 13, the cooling water in the water storage tank 5 is sucked into the heat absorption plate 14 by the water absorption pipe 15 under the action of pressure, and when the first piston rod 10 is in a reset state, the cooling water in the heat absorption plate 14 flows back to the water storage tank 5 again for heat exchange.
Example 2
In other layers, this embodiment further provides a cleaning mechanism, as shown in fig. 6, the surface of the connecting swing rod 6 is provided with a cleaning mechanism, the cleaning mechanism is used for synchronously rotating with the connecting swing rod 6 and wiping the surface of the motor fan 4, the cleaning mechanism comprises a threaded sleeve 34, the threaded sleeve 34 is arranged on the surface of the connecting swing rod 6 through a threaded sleeve, the surface of the connecting swing rod 6 is provided with external threads matched with internal threads on the inner wall of the threaded sleeve 34, the surface of the threaded sleeve 34 is fixedly connected with a movable rod 32, the surface of the movable rod 32 is slidably connected with a sleeve 31, the surface of the sleeve 31 is fixedly connected with a connecting plate 29, the surface of the movable rod 32 is sleeved with a torsion spring 33, the surface of the connecting plate 29 is provided with a brush plate 30, and the connecting plate 29 is connected with the brush plate 30 through bolts.
As shown in fig. 6, one end of the torsion spring 33 is fixedly connected with the surface of the movable rod 32, and the other end of the torsion spring 33 is fixedly connected with the surface of the sleeve 31.
As shown in fig. 6, the surface of the screw sleeve 34 is sleeved with a rotary drum 35, and the screw sleeve 34 is positioned on the right side of the surface of the screw sleeve 34.
In the embodiment, when the user rotates the rotary drum 35, the rotary drum 35 drives the threaded sleeve 34 to rotate, the threaded sleeve 34 slides on the surface of the connecting swing rod 6 under the action of threads, when the brush plate 30 abuts against the filter screen on the surface of the motor fan 4, the connecting plate 29 drives the sleeve 31 to move, the torsion spring 33 is extruded under the cooperation of the movable rod 32, and then the user restarts the permanent magnet synchronous motor main body 1, the connecting swing rod 6 drives the threaded sleeve 34 to rotate, and the brush plate 30 wipes the filter screen on the surface of the motor fan 4.
Example 3
In this embodiment, as shown in fig. 4 and 7, the surface of the first piston rod 10 is sleeved with a connecting rod 16, the surface of the connecting rod 16 is fixedly connected with a second piston rod 17, the surface of the second piston rod 17 is sleeved with an air guide cylinder 18, the left end of the air guide cylinder 18 is communicated with an air jet pipe 19, and the bottom end of the air jet pipe 19 is fixedly connected with the surface of the water storage tank 5.
In the embodiment, when the first piston rod 10 is in a state of reciprocating movement, the connecting rod 16 drives the second piston rod 17 to move in the air guide cylinder 18, and the second piston rod 17 continuously pumps air and sprays the air to the connection part of the driving main shaft 2 through the air spraying pipe 19.
Example 4
In this embodiment, as shown in fig. 8, the surface of the driving spindle 2 is provided with a lubrication mechanism, the lubrication mechanism is used for providing lubrication when the driving spindle 2 rotates, the lubrication mechanism includes a casing 21, the casing 21 is sleeved on the surface of the driving spindle 2, the casing 21 is connected with the driving spindle 2 through two groups of mounting frames 26, a sponge ring 24 is fixedly connected inside the casing 21, the top end of the casing 21 is communicated with a connecting pipe 25, the connecting pipe 25 is inserted on the surface of the top mounting frame 26, the top end of the connecting pipe 25 is provided with an oil collecting tank 22, the bottom end of the oil collecting tank 22 is communicated with the top end of the connecting pipe 25, and an oil filling port 23 is provided at the top end of the oil collecting tank 22.
As shown in fig. 8, one end of the mounting bracket 26 is fixedly connected with the surface of the casing 21, and the other end of the mounting bracket 26 is fixedly connected with the surface of the drive spindle 2.
In this embodiment, when the driving spindle 2 is rotated, the lubricating oil of the sponge ring 24 is uniformly smeared at the connection position of the permanent magnet synchronous motor main body 1 and the driving spindle 2.
Example 5
In this embodiment, a driving method of a permanent magnet synchronous motor is provided, including the following steps:
step1: cooling water is injected into the water storage tank 5 through the water injection hole 20;
step2: starting the permanent magnet synchronous motor main body 1, driving the main shaft 2 to rotate, driving the motor fan 4 to rotate, sliding the traction rod 7 in the limit sleeve rod 8 under the traction of the limit sleeve rod 8, synchronously driving the first piston rod 10 to reciprocate in the water guide cylinder 11, sucking cooling water in the water storage tank 5 into the heat absorption plate 14, and refluxing the cooling water in the heat absorption plate 14 to the water storage tank 5 again for heat exchange when the first piston rod 10 is in a reset state;
step3: when the first piston rod 10 is in a reciprocating state, the connecting rod 16 drives the second piston rod 17 to move in the air guide cylinder 18, and the second piston rod 17 continuously pumps air and sprays the air to the joint of the driving main shaft 2 through the air spraying pipe 19;
step4: when dust is required to be removed, a user can rotate the rotary drum 35, so that when the brush plate 30 is abutted against the filter screen on the surface of the motor fan 4, the permanent magnet synchronous motor main body 1 is started, the connecting swing rod 6 drives the screw sleeve 34 to rotate, and the brush plate 30 wipes the filter screen on the surface of the motor fan 4;
step5: when the connection between the driving spindle 2 and the permanent magnet synchronous motor main body 1 needs to be lubricated, a user can inject lubricating oil into the oil collecting tank 22 through the oil filling port 23, so that the lubricating oil flows into the casing 21 through the connecting pipe 25 and permeates into the sponge ring 24, and after the driving spindle 2 rotates, the lubricating oil of the sponge ring 24 is uniformly smeared at the connection position between the permanent magnet synchronous motor main body 1 and the driving spindle 2.
In summary, when the device is started, the main shaft 2 is driven to rotate, the motor fan 4 is driven to rotate, the connecting swing rod 6 is driven to rotate by utilizing the rotating force of the motor fan 4, the connecting swing rod 6 drives the traction rod 7 to rotate, the traction rod 7 slides in the limit sleeve rod 8 and synchronously drives the first piston rod 10 to reciprocate in the limit frame 9, the first piston rod 10 reciprocates in the water guide cylinder 11, cooling water is injected into the water storage tank 5 in advance through the water injection hole 20, the first piston rod 10 generates suction force in the moving process and is transmitted to the heat absorption plate 14 through the connecting pipe 12 and the collecting pipe 13, the cooling water in the water storage tank 5 is pumped into the heat absorption plate 14 by the water absorption pipe 15 under the action of pressure, when the first piston rod 10 is in a reset state, the cooling water in the heat absorption plate 14 is refluxed to the water storage tank 5 again, when the first piston rod 10 is in a reciprocating state, the connecting rod 16 drives the second piston rod 17 to reciprocate in the water guide 18, and the second piston rod 17 continuously pumps gas to the connection of the main shaft 2;
under long-time running, certain dust can be accumulated on the filter screen on the surface of the motor fan 4, a user can rotate the rotary drum 35, the rotary drum 35 drives the screw sleeve 34 to rotate, the screw sleeve 34 slides on the surface of the connecting swing rod 6 under the action of threads, when the brush plate 30 is abutted against the filter screen on the surface of the motor fan 4, the connecting plate 29 drives the sleeve 31 to move, the torsion spring 33 is extruded under the cooperation of the movable rod 32, and then the user restarts the permanent magnet synchronous motor main body 1, so that the connecting swing rod 6 drives the screw sleeve 34 to rotate, and the brush plate 30 wipes the filter screen on the surface of the motor fan 4;
when a user needs to lubricate the connection between the driving main shaft 2 and the permanent magnet synchronous motor main body 1, the user can inject lubricating oil into the oil collecting tank 22 through the oil filling port 23, so that the lubricating oil flows into the casing 21 through the connecting pipe 25 and permeates into the sponge ring 24, and after the driving main shaft 2 rotates, the lubricating oil of the sponge ring 24 is uniformly smeared at the connection position between the permanent magnet synchronous motor main body 1 and the driving main shaft 2.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; while the invention has been described in detail with reference to the foregoing embodiments, it will be appreciated by those skilled in the art that variations may be made in the techniques described in the foregoing embodiments, or equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a permanent magnet synchronous motor drive arrangement, includes permanent magnet synchronous motor main part (1), drive main shaft (2), tail end machine lid (3), motor fan (4) and take out pressure and heat release mechanism, drive main shaft (2) are installed to the left end of permanent magnet synchronous motor main part (1), tail end machine lid (3) are installed to the right-hand member of permanent magnet synchronous motor main part (1), internally mounted of tail end machine lid (3) has motor fan (4), motor fan (4) are connected with drive main shaft (2) rotation, the center pin and the take out pressure and heat release mechanism swing joint of motor fan (4), a serial communication port, take out pressure and heat release mechanism includes connection pendulum rod (6), connection pendulum rod (6) and tail end machine lid (3) rotation are connected, the left end of connection pendulum rod (6) and the center pin fixed connection of motor fan (4), the right-hand member cover of connection pendulum rod (6) is equipped with traction lever (7), the surface cover of traction lever (7) is equipped with limit sleeve (8), limit sleeve (8) left side articulates there is first (10), first guide frame (10) top end (10) is equipped with piston rod (9) top end fixed connection of piston rod (9), the bottom of a water guide cylinder (11) is fixedly connected with the surface of a limiting frame (9), two groups of connecting pipes (12) are communicated with the left end of the water guide cylinder (11), a collecting pipe (13) is communicated with the bottom of the connecting pipes (12), a heat absorbing plate (14) is communicated with the bottom of the collecting pipe (13), the heat absorbing plate (14) is fixed on the surface of a permanent magnet synchronous motor main body (1), a water storage tank (5) is fixedly connected with the bottom of the permanent magnet synchronous motor main body (1), a water absorbing pipe (15) is communicated with the bottom of the heat absorbing plate (14), the water absorbing pipe (15) is inserted into the water storage tank (5), and a water injection hole (20) is formed in the top end of the water storage tank (5);
the surface of the first piston rod (10) is sleeved with a connecting rod (16), the surface of the connecting rod (16) is fixedly connected with a second piston rod (17), the surface of the second piston rod (17) is sleeved with an air guide cylinder (18), the left end of the air guide cylinder (18) is communicated with an air ejector tube (19), and the bottom end of the air ejector tube (19) is fixedly connected with the surface of the water storage tank (5);
the surface of the driving main shaft (2) is provided with a lubrication mechanism, and the lubrication mechanism is used for providing lubrication when the driving main shaft (2) rotates;
the surface of the connecting swing rod (6) is provided with a cleaning mechanism, and the cleaning mechanism is used for synchronously rotating with the connecting swing rod (6) and wiping the surface of the motor fan (4).
2. A permanent magnet synchronous motor driving device according to claim 1, characterized in that the surface of the water storage tank (5) is uniformly provided with a circular copper sheet (28), one end of the circular copper sheet (28) is positioned in the water storage tank (5), and the other end of the circular copper sheet (28) is positioned outside the water storage tank (5).
3. A permanent magnet synchronous motor driving device according to claim 1, characterized in that the front surface of the water storage tank (5) is provided with a switch valve (27), and the water inlet end of the switch valve (27) is communicated with the water storage tank (5).
4. The permanent magnet synchronous motor driving device according to claim 1, wherein the lubricating mechanism comprises a casing (21), the casing (21) is sleeved on the surface of the driving main shaft (2), the casing (21) is connected with the driving main shaft (2) through two groups of mounting frames (26), a sponge ring (24) is fixedly connected to the inside of the casing (21), a connecting pipe (25) is communicated with the top end of the casing (21), the connecting pipe (25) is inserted on the surface of the top mounting frame (26), an oil collecting tank (22) is arranged at the top end of the connecting pipe (25), the bottom end of the oil collecting tank (22) is communicated with the top end of the connecting pipe (25), and an oil filling port (23) is formed in the top end of the oil collecting tank (22).
5. A permanent magnet synchronous motor driving device according to claim 4, characterized in that one end of the mounting frame (26) is fixedly connected with the surface of the casing (21), and the other end of the mounting frame (26) is fixedly connected with the surface of the driving main shaft (2).
6. The permanent magnet synchronous motor driving device according to claim 1, wherein the cleaning mechanism comprises a screw sleeve (34), the screw sleeve (34) is sleeved on the surface of the connecting swing rod (6) through threads, external threads matched with internal threads on the inner wall of the screw sleeve (34) are formed on the surface of the connecting swing rod (6), a movable rod (32) is fixedly connected to the surface of the screw sleeve (34), a sleeve (31) is slidably connected to the surface of the movable rod (32), a connecting plate (29) is fixedly connected to the surface of the sleeve (31), a torsion spring (33) is sleeved on the surface of the movable rod (32), a hairbrush plate (30) is arranged on the surface of the connecting plate (29), and the connecting plate (29) is connected with the hairbrush plate (30) through bolts.
7. The permanent magnet synchronous motor driving device according to claim 6, wherein one end of the torsion spring (33) is fixedly connected with the surface of the movable rod (32), and the other end of the torsion spring (33) is fixedly connected with the surface of the sleeve (31).
8. A permanent magnet synchronous motor drive according to claim 6, characterized in that the surface of the screw sleeve (34) is sleeved with a rotating drum (35), the screw sleeve (34) being located on the right side of the surface of the screw sleeve (34).
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Denomination of invention: A permanent magnet synchronous motor drive device Effective date of registration: 20231211 Granted publication date: 20230919 Pledgee: Bank of Jiangsu Co.,Ltd. Changzhou Branch Pledgor: Changzhou samid Electromechanical Equipment Co.,Ltd. Registration number: Y2023980070606 |
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