CN113517779A - Low-speed large-torque variable-frequency speed-regulating permanent magnet motor - Google Patents
Low-speed large-torque variable-frequency speed-regulating permanent magnet motor Download PDFInfo
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- CN113517779A CN113517779A CN202110814695.7A CN202110814695A CN113517779A CN 113517779 A CN113517779 A CN 113517779A CN 202110814695 A CN202110814695 A CN 202110814695A CN 113517779 A CN113517779 A CN 113517779A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 92
- 238000001816 cooling Methods 0.000 claims abstract description 64
- 230000017525 heat dissipation Effects 0.000 claims abstract description 50
- 230000033228 biological regulation Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims abstract description 7
- 230000037431 insertion Effects 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 62
- 238000004140 cleaning Methods 0.000 claims description 36
- 238000004804 winding Methods 0.000 claims description 19
- 238000002955 isolation Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000005347 demagnetization Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a low-speed high-torque variable-frequency speed regulation permanent magnet motor which comprises a heat dissipation hollow mechanism, wherein a cooling protection mechanism is fixedly connected to the outer ring of the heat dissipation hollow mechanism, the cooling protection mechanism comprises a circulating cooling device, a protection shell, a fastening sealing cap, a fixed containing cavity and a circulating starting device, the circulating cooling device is fixedly connected to the center of the interior of the protection shell, the circulating starting device is fixedly arranged on one side of the interior of the protection shell, the fixed containing cavity is fixedly connected to the top of the side end of the protection shell, the fixed containing cavity is positioned above the circulating starting device, the fastening sealing cap is in sliding insertion connection with the top end of the fixed containing cavity, and the circulating cooling device comprises a backflow pipeline, a connecting circular hole, an auxiliary transmission pipeline and a circulating cooling pipe. According to the invention, through the arrangement of the cooling protection mechanism and the heat dissipation hollow mechanism, the permanent magnet motor can be quickly cooled, and the phenomenon of demagnetization is avoided.
Description
Technical Field
The invention relates to the technical field of permanent magnet motor equipment, in particular to a low-speed large-torque variable-frequency speed-regulating permanent magnet motor.
Background
According to the Chinese patent No. CN208638192U, the utility model discloses a polarization heat dissipation type unit permanent magnet motor, which comprises a casing, wherein the middle position of the casing is provided with a rotating shaft, an air guide cavity is arranged inside the rotating shaft, the surface of the rotating shaft where the air guide cavity is arranged is provided with an air jet hole, the surface of the rotating shaft is provided with a rotor, the inner wall of the casing is fixed with a stator corresponding to the rotor, the right end of the rotating shaft is provided with an air compression heat exchange mechanism for continuously replacing, compressing and cooling the air inside the casing, the utility model has simple and reasonable structure, the air compression mechanism is driven to work by the rotating shaft as driving force, thereby compressing the air, raising the temperature of the air, increasing the temperature difference with heat exchange liquid, improving the heat exchange effect, then the compressed air is sprayed out along the air jet hole, the compressed air expands outwards to reduce the temperature, thereby improving the heat dissipation effect on the casing, and the inner wall of the shell is uniformly cooled through the rotating air injection holes, so that the practicability is high.
The permanent magnet motor is composed of 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 of the motor during operation, the rotor can be made into a solid body and can also be laminated by laminations, the stator winding can adopt concentrated integral-pitch winding and distributed short-pitch winding and unconventional winding, and the permanent magnet motor has the characteristics of high stability, light self weight, large output electricity and the like, so that the permanent magnet motor is frequently applied to areas with large transmission coefficient and high power consumption.
Disclosure of Invention
The invention aims to provide a low-speed large-torque variable-frequency speed-regulating permanent magnet motor to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the low-speed large-torque variable-frequency speed regulation permanent magnet motor comprises a heat dissipation hollow mechanism, wherein a cooling protection mechanism is fixedly connected to the outer ring of the heat dissipation hollow mechanism;
the cooling protection mechanism comprises a circulating cooling device, a protection shell, a fastening sealing cap, a fixed containing cavity and a circulating starting device, wherein the circulating cooling device is fixedly connected to the inner center of the protection shell;
the circulating cooling device comprises a backflow pipeline, a connecting round hole, an auxiliary transmission pipeline and a circulating cooling pipe, wherein the connecting round hole is formed in the side end of the circulating cooling pipe, the auxiliary transmission pipeline is fixedly connected to the side end of the circulating cooling pipe and is positioned below the connecting round hole, the backflow pipeline is fixedly connected to the side end of the circulating cooling pipe, and the backflow pipeline is positioned above the connecting round hole;
the circulating starting device comprises a first transmission gear, a moving piston rod, a rotating connecting rod, an L-shaped air cylinder, a fixed transmission belt and a transmission gear, wherein gears at equal intervals of the transmission gear are meshed in the fixed transmission belt, the rotating connecting rod is rotatably connected to the side end of the transmission gear, the bottom end of the moving piston rod is rotatably connected to the top end of the rotating connecting rod, the top end of the moving piston rod is slidably inserted in the L-shaped air cylinder, and the first transmission gear is fixedly connected to the center of one end, away from the rotating connecting rod, of the transmission gear;
the heat dissipation hollow mechanism comprises a rotary heat dissipation device, a supporting and fixing device and an auxiliary isolation device, wherein the rotary heat dissipation device is rotatably connected to the inner center of the supporting and fixing device, a sliding groove of the auxiliary isolation device is inserted in the supporting and fixing device, and the auxiliary isolation device is positioned at the side end of the rotary heat dissipation device;
the auxiliary isolation device comprises a limiting bolt, a first protective net, a second protective net, a rotary limiting inserted rod and a limiting movable sliding key, the limiting movable sliding key is symmetrically and fixedly connected to the bottom ends of the second protective net and the first protective net, the rotary limiting inserted rod is symmetrically and rotatably connected to the bottoms of the side ends of the first protective net and the second protective net, and the limiting bolt is fixedly connected to the side end, close to the first protective net, of the second protective net at equal intervals;
the rotary heat dissipation device comprises a first protection end cover, a fixed gear ring, a rotor, a fixed cleaning sheet, a supporting rotating shaft, a heat dissipation fan, a transmission worm, a second transmission gear and a protection outer cover, wherein the supporting rotating shaft is rotatably connected to the center of the side end of the first protection end cover, the rotor is fixedly connected to the outer ring of the supporting rotating shaft, the heat dissipation fan is symmetrically and fixedly connected to the outer ring of the supporting rotating shaft, the heat dissipation fan is positioned at the outer side of the rotor, the fixed gear ring is fixedly connected to one end of the outer ring of the supporting rotating shaft, the fixed cleaning sheet is fixedly connected to one end of the outer ring of the supporting rotating shaft, which is far away from the fixed gear ring, the protection outer cover is fixedly connected to the side end of the first protection end cover, the second transmission gear is meshed to the side end of the fixed gear ring, and the second transmission gear is positioned in the protection outer cover, the transmission worm is fixedly connected to the center of the side end of the second transmission gear;
support fixing device includes engine body shell, stator winding, second protection end cover and support base, engine body shell fixed connection is on the top of supporting the base, stator fixed connection is in engine body shell's inside, stator winding fixed connection is in the inside of stator, second protection end cover fixed mounting is in engine body shell's top one end.
Preferably, the inner sides of the second protective end cover and the first protective end cover are provided with heat dissipation grooves.
Preferably, a brush handle is fixedly connected to the inner side of the fixed cleaning sheet.
Preferably, a gap is left between the rotor and the stator winding.
Preferably, the first transmission gear is engaged with the bottom end of the transmission worm.
Preferably, the L-shaped cylinder, the circulating cooling pipe and the fixed storage cavity are arranged in a hollow state, and the auxiliary transmission pipeline and the return pipeline are communicated with the fixed storage cavity.
Preferably, the L-shaped cylinder is fixedly connected inside the connecting circular hole.
Preferably, the transmission gear drives the rotating connecting rod to rotate when rotating, and the rotating connecting rod drives the movable piston rod to slide in the L-shaped cylinder while rotating.
Preferably, a sliding clamping groove is formed in one end of the inner portion of the supporting base.
Preferably, the rotary heat dissipation device further comprises an auxiliary cleaning sheet and a limit nut, the auxiliary cleaning sheet is fixedly connected to the outer ring of the fixed cleaning sheet, the limit nut is inserted into the outer ring of the supporting rotating shaft in a threaded manner, the outer ring of the supporting rotating shaft is provided with threads matched with the limit nut, and a lantern ring is fixedly connected to the side end of the fixed cleaning sheet.
Compared with the prior art, the invention has the following beneficial effects:
1. the cooling protection mechanism is fixedly arranged on the outer ring of the heat dissipation hollow mechanism, the circulating device is fixedly arranged in the cooling protection mechanism, cooling oil can circularly flow in the cooling protection mechanism through the arrangement of the circulating device, so that the interior of the heat dissipation hollow mechanism can be cooled, the transmission device is fixedly arranged in the heat dissipation hollow mechanism and can be connected with the circulating device, when the permanent magnet motor is started, the transmission device in the heat dissipation hollow mechanism can be driven to rotate, and the transmission device can drive the circulating device to continuously work while rotating, so that the work of rapidly cooling the surface is completed, the heat dissipation hollow mechanism is internally arranged in a special structure, the heat dissipation device is fixedly arranged in the heat dissipation hollow mechanism, and when the heat dissipation device is started, the high temperature generated in the heat dissipation hollow mechanism can be rapidly diffused outwards, thereby reducible permanent magnet demagnetization's emergence, through last fixed mounting of heat abstractor has cleaning device, when heat abstractor rotates, can drive cleaning device simultaneously and rotate to can avoid heat dissipation cavity mechanism one end to deposit too much dust, it has isolating device to slide on the one end through heat dissipation cavity mechanism, through isolating device's setting, can avoid external dust to get into the inside of heat dissipation cavity mechanism.
2. Through the inside fixed connection who rotates heat abstractor at contact means, when rotating heat abstractor at the during operation, contact means can with the inside protector of heat dissipation cavity mechanism to can be clean up protector's inside wall, and the inside fixed mounting who rotates heat abstractor has stop device, can inwards revolve the twist with stop device, make and to rotate heat abstractor and install in supporting the axis of rotation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic side view of the main body of the present invention;
FIG. 3 is a schematic view of the cooling protection mechanism of the present invention;
FIG. 4 is a schematic view of the structure of the circulation cooling device of the present invention;
FIG. 5 is a schematic structural diagram of a cycle start device according to the present invention;
FIG. 6 is a schematic view of the heat dissipating hollow mechanism of the present invention;
FIG. 7 is a schematic view of the auxiliary isolation device of the present invention;
FIG. 8 is a schematic view of a rotary heat sink according to the present invention;
FIG. 9 is a schematic view of a support fixture of the present invention;
fig. 10 is a schematic view of a second embodiment of the rotary heat sink of the present invention.
In the figure: 1-cooling protection mechanism, 2-heat dissipation hollow mechanism, 3-circulating cooling device, 4-protection machine shell, 5-fastening sealing cover cap, 6-fixed storage cavity, 7-circulating starting device, 8-backflow pipeline, 9-connecting circular hole, 10-auxiliary transmission pipeline, 11-circulating cooling pipe, 12-first transmission gear, 13-moving piston rod, 14-rotating connecting rod, 15-L-shaped cylinder, 16-fixed transmission belt, 17-transmission gear, 18-rotating heat dissipation device, 19-supporting fixing device, 20-auxiliary isolating device, 21-limiting bolt, 22-first protective net, 23-second protective net, 24-rotating limiting inserted rod, 25-limiting moving sliding key, 25-limiting sliding key, 26-a first protective end cover, 27-a fixed gear ring, 28-a rotor, 29-a fixed cleaning sheet, 30-a supporting rotating shaft, 31-a cooling fan, 32-a transmission worm, 33-a second transmission gear, 34-a protective outer cover, 35-a machine body shell, 36-a stator, 37-a stator winding, 38-a second protective end cover, 39-a supporting base, 40-an auxiliary cleaning sheet and 41-a limiting nut.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is further described below with reference to the accompanying drawings.
Example 1
Referring to fig. 1-2, an embodiment of the present invention is shown: the low-speed large-torque variable-frequency speed regulation permanent magnet motor comprises a heat dissipation hollow mechanism 2, wherein a cooling protection mechanism 1 is fixedly connected to the outer ring of the heat dissipation hollow mechanism 2;
as shown in fig. 3, the cooling protection mechanism 1 includes a circulating cooling device 3, a protection casing 4, a fastening sealing cap 5, a fixed storage cavity 6 and a circulating starting device 7, the circulating cooling device 3 is fixedly connected to the inner center of the protection casing 4, the circulating starting device 7 is fixedly installed on one side of the inner part of the protection casing 4, the fixed storage cavity 6 is fixedly connected to the top of the side end of the protection casing 4, the fixed storage cavity 6 is located above the circulating starting device 7, and the fastening sealing cap 5 is slidably inserted into the top end of the fixed storage cavity 6;
as shown in fig. 4, the circulation cooling device 3 includes a return pipe 8, a connecting circular hole 9, an auxiliary transmission pipe 10 and a circulation cooling pipe 11, the connecting circular hole 9 is opened at a side end of the circulation cooling pipe 11, the auxiliary transmission pipe 10 is fixedly connected to a side end of the circulation cooling pipe 11, the auxiliary transmission pipe 10 is located below the connecting circular hole 9, the return pipe 8 is fixedly connected to a side end of the circulation cooling pipe 11, and the return pipe 8 is located above the connecting circular hole 9;
as shown in fig. 5, the cycle starting device 7 includes a first transmission gear 12, a moving piston rod 13, a rotating connecting rod 14, an L-shaped cylinder 15, a fixed transmission belt 16 and a transmission gear 17, the transmission gear 17 is engaged with the inside of the fixed transmission belt 16 at equal intervals, the rotating connecting rod 14 is rotatably connected to the side end of the transmission gear 17, the bottom end of the moving piston rod 13 is rotatably connected to the top end of the rotating connecting rod 14, the top end of the moving piston rod 13 is slidably inserted into the inside of the L-shaped cylinder 15, and the first transmission gear 12 is fixedly connected to the center of one end of the transmission gear 17 departing from the rotating connecting rod 14;
as shown in fig. 6, the heat dissipation hollow mechanism 2 includes a rotary heat dissipation device 18, a supporting and fixing device 19 and an auxiliary isolation device 20, the rotary heat dissipation device 18 is rotatably connected to the inner center of the supporting and fixing device 19, the sliding groove of the auxiliary isolation device 20 is inserted into the supporting and fixing device 19, and the auxiliary isolation device 20 is located at the side end of the rotary heat dissipation device 18;
as shown in fig. 7, the auxiliary isolation device 20 includes a limiting bolt 21, a first protection net 22, a second protection net 23, a rotating limiting insertion rod 24 and a limiting moving sliding key 25, the limiting moving sliding keys 25 are symmetrically and fixedly connected to the bottom ends of the second protection net 23 and the first protection net 22, the rotating limiting insertion rod 24 is symmetrically and rotatably connected to the bottoms of the side ends of the first protection net 22 and the second protection net 23, and the limiting bolts 21 are fixedly connected to the side end, close to the first protection net 22, of the second protection net 23 at equal intervals;
referring to fig. 8, the rotary heat sink 18 includes a first protective cover 26, a fixed gear ring 27, a rotor 28, a fixed cleaning sheet 29, a supporting rotating shaft 30, a heat dissipating fan 31, a driving worm 32, a second driving gear 33 and a protective cover 34, the supporting rotating shaft 30 is rotatably connected to the center of the side end of the first protective cover 26, the rotor 28 is fixedly connected to the outer ring of the supporting rotating shaft 30, the heat dissipating fan 31 is symmetrically and fixedly connected to the outer ring of the supporting rotating shaft 30, the heat dissipating fan 31 is located outside the rotor 28, the fixed gear ring 27 is fixedly connected to one end of the outer ring of the supporting rotating shaft 30, the fixed cleaning sheet 29 is fixedly connected to one end of the outer ring of the supporting rotating shaft 30 far from the fixed gear ring 27, the protective cover 34 is fixedly connected to the side end of the first protective cover 26, the second driving gear 33 is gear-engaged to the side end of the fixed gear ring 27, and the second driving gear 33 is located inside the protective cover 34, the transmission worm 32 is fixedly connected to the center of the side end of the second transmission gear 33;
as shown in fig. 9, the supporting and fixing device 19 includes a machine body shell 35, a stator 36, a stator winding 37, a second protective end cover 38 and a supporting base 39, the machine body shell 35 is fixedly connected to the top end of the supporting base 39, the stator 36 is fixedly connected to the inside of the machine body shell 35, the stator winding 37 is fixedly connected to the inside of the stator 36, and the second protective end cover 38 is fixedly installed at one end of the top of the machine body shell 35.
The radiating groove has been seted up to second protection end cover 38 and first protection end cover 26's inboard, the inboard fixedly connected with brush of fixed cleaning sheet 29, leave the clearance between rotor 28 and the stator winding 37, first transmission gear 12 gear engagement is in the bottom of transmission worm 32, L type cylinder 15, the inside of cavity 6 is set up for cavity state with fixed storage to circulative cooling pipe 11, and supplementary transmission pipeline 10 and backflow pipeline 8 all with fixed storage cavity 6 intercommunication, L type cylinder 15 fixed connection is in the inside of connecting round hole 9, it rotates to drive rotation connecting rod 14 when transmission gear 17 rotates, and rotation connecting rod 14 drives movable piston rod 13 and slides in the inside of L type cylinder 15 when the pivoted, sliding clamping groove has been seted up to the inside one end of support base 39.
In the embodiment, when the device is used, the device can be placed in a designated working area, then cooling oil is poured into the fixed accommodating cavity 6, when the supporting rotating shaft 30 starts to rotate, the cooling oil is symmetrically and fixedly installed on the outer ring of the supporting rotating shaft 30 through the cooling fan 31, heat dissipation grooves are formed in the first protective end cover 26 and the second protective end cover 38, when the supporting rotating shaft 30 drives the cooling fan 31 to rotate, external natural wind can be sucked from the second protective end cover 38, passes through the space between the stator winding 37 and the rotor 28, and is finally discharged from the first protective end cover 26, a gap is formed between the rotor 28 and the stator winding 37, when the natural wind continuously passes through the rotor 28 and the stator winding 37, the temperature generated by the stator winding 37 and the rotor 28 can be reduced, and the cleaning sheet 29 is fixedly connected to one end of the supporting rotating shaft 30, and the side end of the fixed cleaning sheet 29 is fixedly connected with a brush handle, when the supporting rotating shaft 30 rotates, the fixed cleaning sheet 29 can be driven to rotate, when the fixed cleaning sheet 29 rotates, the brush handle can be driven to continuously rotate at the outer side of the second protective end cover 38, so that dust attached to the side end of the second protective end cover 38 can be removed, meanwhile, the symmetrical threads of the rotating limiting insertion rod 24 penetrate through the supporting base 39 and are rotatably connected to the side ends of the second protective net 23 and the first protective net 22, the rotating limiting insertion rod 24 can be respectively screwed inwards, so that the first protective net 22 and the second protective net 23 can be driven to continuously move inwards, through the arrangement of the first protective net 22 and the second protective net 23, external impurities can be prevented from entering between the rotor 28 and the stator winding 37, and meanwhile, through the limiting moving sliding key 25, the limiting sliding key 25 is respectively fixedly connected to the bottom ends of the first protective net 22 and the second protective net 23, and one end of the inside of the supporting base 39 is provided with a sliding slot, the sliding key 25 is inserted into the sliding slot in a sliding manner through the limiting movement, so that the first protective net 22 and the second protective net 23 can move along a straight line, the butt joint accuracy of the first protective net 22 and the second protective net 23 can be improved, the limiting bolts 21 are fixedly connected to the side end of the second protective net 23 at equal intervals, when the second protective net 23 moves inwards to be in contact with the first protective net 22, the limiting bolts 21 are inserted into the inside of the first protective net 22, so that the phenomenon of shaking during the protection work of the first protective net 22 and the second protective net 23 can be avoided, the protection work is completed, the fixing gear ring 27 is fixedly connected to one end of the outer ring of the supporting rotating shaft 30, the second transmission gear 33 is engaged with the side end of the fixing gear ring 27, when the fixing gear ring 27 rotates, the second transmission gear 33 can be driven to rotate at the same time, the second transmission gear 33 is fixedly connected to the center of the side end of the second transmission gear 33 through the transmission worm 32, when the second transmission gear 33 rotates, the transmission worm 32 can be driven to rotate, the first transmission gear 12 is meshed with the bottom end of the transmission worm 32, when the transmission worm 32 rotates, the first transmission gear 12 can be driven to rotate continuously and is meshed with the outer ring of the transmission gear 17 through the fixed transmission belt 16, the first transmission gear 12 is fixedly connected to the side end of the transmission gear 17 at one end inside the fixed transmission belt 16, when the first transmission gear 12 rotates, the fixed transmission belt 16 and the transmission gear 17 can be driven to rotate simultaneously, the first transmission gear is connected to the other side of the transmission gear 17 through the rotating connecting rod 14, the bottom end of the movable piston rod 13 is rotatably connected to the rotating connecting rod 14, the top end of the movable piston rod 13 is slidably inserted inside the L-shaped cylinder 15, when the transmission gear 17 rotates, the movable piston rod 13 can be driven to continuously stretch up and down in the L-shaped cylinder 15, so that the gas in the L-shaped cylinder 15 can be compressed and pushed, the L-shaped cylinder 15 is fixedly connected to the connecting circular hole 9, the circulating cooling pipe 11 and the fixed receiving cavity 6 are arranged in a hollow state, the auxiliary transmission pipeline 10 and the return pipeline 8 can be respectively connected with the fixed receiving cavity 6, when the movable piston rod 13 pushes the gas in the L-shaped cylinder 15, the cooling oil in the fixed receiving cavity 6 can flow into the circulating cooling pipe 11 from the inside of the auxiliary transmission pipeline 10, and along with the continuous pressurization in the L-shaped cylinder 15, the cooling oil can flow for a circle through the inside of the circulating cooling pipe 11, and is attached to the outer ring of the stator 36 through the bottom end of the circulating cooling pipe 11, so that when the cooling oil passes through the inside of the circulating cooling pipe 11, can cool off stator 36, when the cooling oil from the inside of circulative cooling pipe 11 flow the whole time, can discharge into the inside of fixedly accomodating cavity 6 by return line 8, reciprocate in L type cylinder 15 inside through removing that piston rod 13 is continuous, can accomplish circulative cooling's work, prevent the phenomenon of inside appearance demagnetization.
Example 2
On the basis of embodiment 1, as shown in fig. 10, the rotary heat sink 18 further includes an auxiliary cleaning sheet 40 and a limit nut 41, the auxiliary cleaning sheet 40 is fixedly connected to the outer ring of the fixed cleaning sheet 29, the limit nut 41 is screwed to the outer ring of the supporting rotating shaft 30, the outer ring of the supporting rotating shaft 30 is provided with a screw thread adapted to the limit nut 41, and a collar is fixedly connected to the side end of the fixed cleaning sheet 29.
In the implementation of the embodiment, one end of the fixed cleaning sheet 29 is provided with the lantern ring, the lantern ring can be buckled on the supporting rotating shaft 30, the supporting rotating shaft 30 is provided with threads matched with the limiting nut 41, the limiting nut 41 can be screwed inwards, the fixed cleaning sheet 29 is fixed on the limiting ring at the rear end of the supporting rotating shaft 30 until the fixed cleaning sheet 29 is fixed, so that the fixed cleaning sheet 29 can be detached or installed conveniently, the fixed cleaning sheet 40 is fixedly connected to the outer ring of the fixed cleaning sheet 29, when the supporting rotating shaft 30 rotates, the inner wall of the auxiliary cleaning sheet 40 and the inner wall of the second protection end cover 38 can be driven to contact, and accordingly, sticky dust and impurities on the inner wall of the second protection end cover 38 can be removed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Low-speed big torque frequency conversion speed governing permanent-magnet machine, including heat dissipation cavity mechanism (2), its characterized in that: and the outer ring of the heat dissipation hollow mechanism (2) is fixedly connected with a cooling protection mechanism (1).
2. The low-speed high-torque variable-frequency speed regulation permanent magnet motor according to claim 1, characterized in that:
the cooling protection mechanism (1) comprises a circulating cooling device (3), a protection machine shell (4), a fastening sealing cap (5), a fixed storage cavity (6) and a circulating starting device (7), wherein the circulating cooling device (3) is fixedly connected to the inner center of the protection machine shell (4), the circulating starting device (7) is fixedly installed on one side of the inner part of the protection machine shell (4), the fixed storage cavity (6) is fixedly connected to the top of the side end of the protection machine shell (4), the fixed storage cavity (6) is located above the circulating starting device (7), and the fastening sealing cap (5) is slidably inserted into the top end of the fixed storage cavity (6); the circulating cooling device (3) comprises a backflow pipeline (8), a connecting round hole (9), an auxiliary transmission pipeline (10) and a circulating cooling pipe (11), wherein the connecting round hole (9) is formed in the side end of the circulating cooling pipe (11), the auxiliary transmission pipeline (10) is fixedly connected to the side end of the circulating cooling pipe (11), the auxiliary transmission pipeline (10) is located below the connecting round hole (9), the backflow pipeline (8) is fixedly connected to the side end of the circulating cooling pipe (11), and the backflow pipeline (8) is located above the connecting round hole (9); the circulation starting device (7) comprises a first transmission gear (12), a movable piston rod (13), a rotary connecting rod (14), an L-shaped cylinder (15), a fixed transmission belt (16) and a transmission gear (17), wherein gears of the transmission gear (17) are meshed with the inside of the fixed transmission belt (16) at equal intervals, the rotary connecting rod (14) is rotatably connected to the side end of the transmission gear (17), the bottom end of the movable piston rod (13) is rotatably connected to the top end of the rotary connecting rod (14), the top end of the movable piston rod (13) is slidably inserted into the inside of the L-shaped cylinder (15), and the first transmission gear (12) is fixedly connected to the center of one end, deviating from the rotary connecting rod (14), of the transmission gear (17); the heat dissipation hollow mechanism (2) comprises a rotary heat dissipation device (18), a supporting and fixing device (19) and an auxiliary isolation device (20), the rotary heat dissipation device (18) is rotatably connected to the center of the inside of the supporting and fixing device (19), a sliding groove of the auxiliary isolation device (20) is inserted into the supporting and fixing device (19), and the auxiliary isolation device (20) is located at the side end of the rotary heat dissipation device (18); the auxiliary isolation device (20) comprises a limiting bolt (21), a first protective net (22), a second protective net (23), a rotating limiting insertion rod (24) and a limiting moving sliding key (25), the limiting moving sliding key (25) is symmetrically and fixedly connected to the bottom ends of the second protective net (23) and the first protective net (22), the rotating limiting insertion rod (24) is symmetrically and rotatably connected to the bottoms of the side ends of the first protective net (22) and the second protective net (23), and the limiting bolt (21) is fixedly connected to the side end, close to the first protective net (22), of the second protective net (23) at equal intervals; the rotary heat dissipation device (18) comprises a first protection end cover (26), a fixed gear ring (27), a rotor (28), a fixed cleaning sheet (29), a support rotating shaft (30), a heat dissipation fan (31), a transmission worm (32), a second transmission gear (33) and a protection outer cover (34), wherein the support rotating shaft (30) is rotatably connected to the center of the side end of the first protection end cover (26), the rotor (28) is fixedly connected to the outer ring of the support rotating shaft (30), the heat dissipation fan (31) is symmetrically and fixedly connected to the outer ring of the support rotating shaft (30), the heat dissipation fan (31) is positioned outside the rotor (28), the fixed gear ring (27) is fixedly connected to one end of the outer ring of the support rotating shaft (30), the fixed cleaning sheet (29) is fixedly connected to one end of the outer ring of the support rotating shaft (30), which is far away from the fixed gear ring (27), the protective cover (34) is fixedly connected to the side end of the first protective end cover (26), the second transmission gear (33) is in gear engagement with the side end of the fixed gear ring (27), the second transmission gear (33) is located inside the protective cover (34), and the transmission worm (32) is fixedly connected to the center of the side end of the second transmission gear (33); the supporting and fixing device (19) comprises a machine body shell (35), a stator (36), a stator winding (37), a second protective end cover (38) and a supporting base (39), the machine body shell (35) is fixedly connected to the top end of the supporting base (39), the stator (36) is fixedly connected to the inside of the machine body shell (35), the stator winding (37) is fixedly connected to the inside of the stator (36), and the second protective end cover (38) is fixedly installed at one end of the top of the machine body shell (35); and heat dissipation grooves are formed in the inner sides of the second protective end cover (38) and the first protective end cover (26).
3. The low-speed high-torque variable-frequency speed regulation permanent magnet motor according to claim 2, characterized in that: the inner side of the fixed cleaning sheet (29) is fixedly connected with a brush handle.
4. The low-speed high-torque variable-frequency speed regulation permanent magnet motor according to claim 3, characterized in that: a gap is left between the rotor (28) and the stator winding (37).
5. The low-speed high-torque variable-frequency speed regulation permanent magnet motor according to claim 4, characterized in that: the first transmission gear (12) is in gear engagement with the bottom end of the transmission worm (32).
6. The low-speed high-torque variable-frequency speed regulation permanent magnet motor according to claim 5, characterized in that: the L-shaped cylinder (15), the circulating cooling pipe (11) and the fixed storage cavity (6) are arranged in a hollow state, and the auxiliary transmission pipeline (10) and the return pipeline (8) are communicated with the fixed storage cavity (6).
7. The low-speed high-torque variable-frequency speed regulation permanent magnet motor according to claim 6, characterized in that: the L-shaped cylinder (15) is fixedly connected inside the connecting circular hole (9).
8. The low-speed high-torque variable-frequency speed regulation permanent magnet motor according to claim 7, characterized in that: the transmission gear (17) drives the rotating connecting rod (14) to rotate when rotating, and the rotating connecting rod (14) drives the movable piston rod (13) to slide in the L-shaped cylinder (15) while rotating.
9. The low-speed high-torque variable-frequency speed regulation permanent magnet motor according to claim 8, characterized in that: a sliding clamping groove is formed in one end of the inner portion of the supporting base (39).
10. The low-speed high-torque variable-frequency speed regulation permanent magnet motor according to claim 2, characterized in that: the rotary heat dissipation device (18) further comprises an auxiliary cleaning sheet (40) and a limiting nut (41), the auxiliary cleaning sheet (40) is fixedly connected to the outer ring of the fixed cleaning sheet (29), the limiting nut (41) is in threaded connection with the outer ring of the supporting rotating shaft (30), threads matched with the limiting nut (41) are formed in the outer ring of the supporting rotating shaft (30), and a lantern ring is fixedly connected to the side end of the fixed cleaning sheet (29).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110814695.7A CN113517779A (en) | 2021-07-19 | 2021-07-19 | Low-speed large-torque variable-frequency speed-regulating permanent magnet motor |
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| CN202110814695.7A CN113517779A (en) | 2021-07-19 | 2021-07-19 | Low-speed large-torque variable-frequency speed-regulating permanent magnet motor |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014225957A (en) * | 2013-05-15 | 2014-12-04 | 株式会社東芝 | Permanent magnet type motor and railway vehicle |
| CN207166333U (en) * | 2017-08-15 | 2018-03-30 | 天津创远亿德科技发展有限公司 | A kind of radiating rare earth permanent-magnet synchronization motor certainly |
| CN107959250A (en) * | 2017-12-28 | 2018-04-24 | 浙江之意电气有限公司 | A kind of low-voltage electrical apparatus power distribution cabinet for possessing circulating cooling heat dissipation effect |
| CN108448204A (en) * | 2018-04-21 | 2018-08-24 | 尹榕 | The battery heat dissipation device of electric vehicle |
| CN207947692U (en) * | 2017-12-08 | 2018-10-09 | 南京市雨花台区知识产权促进中心 | A kind of direct-drive aerogenerator with generator shaft defencive function |
| CN109274220A (en) * | 2018-11-21 | 2019-01-25 | 高邮佳春科技有限公司 | A kind of high efficiency and heat radiation motor |
| CN208638192U (en) * | 2018-08-28 | 2019-03-22 | 包头长安永磁电机有限公司 | A kind of polarization heat radiating type unit magneto |
| CN109818450A (en) * | 2019-02-21 | 2019-05-28 | 广州京海科技有限公司 | A kind of generating equipment with decrease of noise functions for electric power networks |
| CN209963861U (en) * | 2019-07-08 | 2020-01-17 | 无锡麦克威装备科技有限公司 | Efficient cooling device for internal heat exchange of large motor |
| CN210490661U (en) * | 2019-07-31 | 2020-05-08 | 芜湖市兆力电机有限公司 | Ventilation cooling motor |
| CN211530907U (en) * | 2020-04-03 | 2020-09-18 | 常州博宏电器有限公司 | Motor with heat dissipation function |
-
2021
- 2021-07-19 CN CN202110814695.7A patent/CN113517779A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014225957A (en) * | 2013-05-15 | 2014-12-04 | 株式会社東芝 | Permanent magnet type motor and railway vehicle |
| CN207166333U (en) * | 2017-08-15 | 2018-03-30 | 天津创远亿德科技发展有限公司 | A kind of radiating rare earth permanent-magnet synchronization motor certainly |
| CN207947692U (en) * | 2017-12-08 | 2018-10-09 | 南京市雨花台区知识产权促进中心 | A kind of direct-drive aerogenerator with generator shaft defencive function |
| CN107959250A (en) * | 2017-12-28 | 2018-04-24 | 浙江之意电气有限公司 | A kind of low-voltage electrical apparatus power distribution cabinet for possessing circulating cooling heat dissipation effect |
| CN108448204A (en) * | 2018-04-21 | 2018-08-24 | 尹榕 | The battery heat dissipation device of electric vehicle |
| CN208638192U (en) * | 2018-08-28 | 2019-03-22 | 包头长安永磁电机有限公司 | A kind of polarization heat radiating type unit magneto |
| CN109274220A (en) * | 2018-11-21 | 2019-01-25 | 高邮佳春科技有限公司 | A kind of high efficiency and heat radiation motor |
| CN109818450A (en) * | 2019-02-21 | 2019-05-28 | 广州京海科技有限公司 | A kind of generating equipment with decrease of noise functions for electric power networks |
| CN209963861U (en) * | 2019-07-08 | 2020-01-17 | 无锡麦克威装备科技有限公司 | Efficient cooling device for internal heat exchange of large motor |
| CN210490661U (en) * | 2019-07-31 | 2020-05-08 | 芜湖市兆力电机有限公司 | Ventilation cooling motor |
| CN211530907U (en) * | 2020-04-03 | 2020-09-18 | 常州博宏电器有限公司 | Motor with heat dissipation function |
Non-Patent Citations (1)
| Title |
|---|
| 李成伟, 周万春: "LR100/105系列柴油机的润滑和冷却", 拖拉机与农用运输车, no. 01, pages 42 - 49 * |
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