CN113114007A - Alternating current variable frequency speed regulation motor with internal circulation heat dissipation - Google Patents
Alternating current variable frequency speed regulation motor with internal circulation heat dissipation Download PDFInfo
- Publication number
- CN113114007A CN113114007A CN202110391907.5A CN202110391907A CN113114007A CN 113114007 A CN113114007 A CN 113114007A CN 202110391907 A CN202110391907 A CN 202110391907A CN 113114007 A CN113114007 A CN 113114007A
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- box body
- shaft
- rotary table
- fixedly arranged
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 11
- 230000033228 biological regulation Effects 0.000 title description 3
- 238000001816 cooling Methods 0.000 claims abstract description 27
- 230000001105 regulatory effect Effects 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 description 25
- 230000005540 biological transmission Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 239000007787 solid Substances 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 4
- 244000309464 bull Species 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
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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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
Abstract
The invention discloses an internal circulation heat dissipation alternating current variable frequency speed regulating motor which comprises a box body filled with oil, a rotary table, a first shaft, a driving device, a circulating device, a vortex-shaped cooling pipe and a connecting rod, wherein the rotary table is rotatably arranged on the box body, one end of the first shaft is fixedly arranged at the center of the rotary table, the driving device is positioned in the box body and used for driving the rotary table to rotate, the circulating device is used for circulating the oil in the box body, the vortex-shaped cooling pipe is arranged in the rotary table, and the two ends of the connecting rod are.
Description
Technical Field
The invention relates to the technical field of motors, in particular to an alternating current variable frequency speed regulating motor with internal circulation heat dissipation.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law, and can be divided into two categories, namely a motor and a generator; the motor is used for generating driving torque and is used as a power source of electrical appliances or various machines, the motor generally has rated power and rotating speed when leaving a factory, a variable frequency speed regulating motor is called a variable frequency motor for short, and is a general name of a motor driven by a frequency converter, the motor actually designed for the frequency converter is a special variable frequency motor, the motor can realize different rotating speeds and torques under the driving of the frequency converter so as to adapt to the requirement change of loads, the existing variable frequency motor is not stable enough in the rotating process of a driving shaft, and simultaneously, a large amount of heat can be generated in the transmission process, and the heat can be increased due to unstable transmission.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the internal circulation heat dissipation alternating current variable frequency speed regulating motor, the variable frequency speed regulating motor drives the shaft to stably rotate, the heat generated in the transmission process is reduced, the heat is removed through internal circulation cooling, the cooling effect is good, and the service life of the whole variable frequency speed regulating motor is prolonged.
In order to achieve the purpose, the invention adopts the following technical scheme: an alternating current variable frequency speed regulating motor with internal circulation heat dissipation comprises a box filled with oil, a rotary table rotatably arranged on the box, a first shaft with one end fixedly arranged at the center of the rotary table, a driving device arranged in the box and used for driving the rotary table to rotate, a circulating device used for circulating the oil in the box, a vortex-shaped cooling pipe arranged in the rotary table, and a connecting rod with two ends respectively fixedly arranged on the driving device and the vortex-shaped cooling pipe; the driving device comprises a hollow shaft, a first gear, a second gear, an alternating current variable frequency speed regulating motor, a rotating seat, a plurality of rotating rods, a second shaft, a third gear and a fourth gear, wherein two ends of the hollow shaft are rotatably arranged on the box body and the rotating disc; the second gear is driven to rotate by the alternating-current variable-frequency speed regulating motor, the second gear is meshed with the first gear to drive the first gear to rotate, the first gear is fixedly sleeved on the hollow shaft to drive the hollow shaft to rotate, the rotating seat on the hollow shaft is driven to rotate, the plurality of rotating rods are driven to revolve by taking the hollow shaft as an axis, the second shaft is driven to revolve by taking the hollow shaft as an axis, and finally the third shaft is driven to revolve by taking the hollow shaft as an axis, so that the rotary table rotates, the first shaft on the rotary table rotates, oil in the box body enters the rotary table through the driving device, the oil is cooled by the vortex-shaped cooling pipe in the rotary table, the oil in the rotary table enters the hollow shaft after being cooled, and finally the oil in the hollow shaft returns to the box body again to realize the circulation of the oil in. The invention drives the second gear to rotate by the AC variable frequency speed regulating motor, the second gear is meshed with the first gear so as to rotate the first gear, the labor saving effect can be achieved by the arrangement, the consumption of electric energy is saved, the first gear is fixedly sleeved on the hollow shaft so as to rotate the hollow shaft, the rotating seat is fixedly sleeved on the hollow shaft so as to rotate the rotating seat on the hollow shaft, a plurality of rotating rods on the rotating seat revolve around the hollow shaft as an axis, the second shaft on the rotating rods revolves around the hollow shaft as an axis, and finally the third shaft revolves around the hollow shaft as an axis so as to rotate the turntable, so that the first shaft on the turntable rotates, the transmission of the first shaft driven by the AC variable frequency speed regulating motor is completed, the third shaft deviates from the axis of the first shaft, and the third shafts are provided with a plurality of shafts so as to make the rotation of the turntable more stable, in the revolution process of the third shaft by taking the hollow shaft as an axis, the third gear is enabled to rotate along the fourth gear, the stability in the rotation process of the hollow shaft is improved again through the arrangement of the third gear and the fourth gear, finally the rotation of the turntable and the first shaft on the turntable is enabled to be more stable, the oil in the box body enters the turntable in the operation process of the driving device, the oil is cooled through the vortex-shaped cooling pipe in the turntable, the oil in the turntable enters the hollow shaft after being cooled, the oil entering the turntable can be uniformly cooled through the vortex-shaped cooling pipe, the oil in the hollow shaft finally returns to the box body again, the circulation of the oil in the box body is realized, the integral cooling is realized, the variable-frequency speed motor drives the shaft to rotate stably, the heat generated in the transmission process is reduced, the heat is removed through the internal circulation cooling, the cooling effect is good, and the integral service life of the variable-frequency speed motor is prolonged, the rotating speed of the first shaft is controlled by a variable-frequency speed regulating motor.
The driving device further comprises a fifth gear which is fixedly sleeved on the second shaft and is meshed with the third gear, a sixth gear which is rotatably sleeved on the rotating rod and is meshed with the third gear, a seventh gear which is rotatably arranged on the box body and is meshed with the fifth gear, a first ball groove which is arranged on the seventh gear, a first fixing ring which is fixedly arranged on the box body, a second ball groove which is arranged on the first fixing ring, and a first ball which is rotatably arranged on the third shaft and is respectively positioned on the first ball groove and the second ball groove.
The driving device further comprises a moving seat movably sleeved on the rotating rod, a first spring sleeved on the rotating rod and fixedly arranged on the rotating seat and the moving seat at two ends respectively, a first roller and a second roller which are rotatably arranged on the moving seat, a third ball groove and a fourth ball groove which are arranged on the box body, a second ball which is rotatably arranged on the first roller and is positioned in the third ball groove, and a third ball which is rotatably arranged on the second roller and is positioned in the fourth ball groove.
The circulating device comprises a plurality of first through holes distributed in an equal-distance annular mode on the rotary table, a first check valve arranged at the position of the first through hole, a second through hole arranged on the rotary table and used for communicating the rotary table with the hollow shaft, a third through hole arranged on the hollow shaft, a first cavity arranged on the box body, a second cavity, a third cavity, a second check valve arranged at the position of the first cavity, a plurality of fourth through holes distributed in an equal-distance annular mode on the box body, a plurality of fifth through holes distributed in an equal-distance annular mode on the box body and a plurality of sixth through holes.
The circulating device further comprises a plurality of convex blocks which are fixedly arranged on the second fixing ring and are coaxially and fixedly arranged on the first gear, a plurality of hollow movable plates which are movably arranged on the box body and are in one-to-one correspondence with the plurality of convex blocks, a third roller which is rotatably arranged on the hollow movable plates, and a second spring which is fixedly arranged on the hollow movable plates and the box body at two ends respectively.
The invention has the following advantages: the second gear is driven to rotate by the AC variable-frequency speed regulating motor, the second gear is meshed with the first gear, so that the first gear rotates, labor saving effect can be achieved by the arrangement, electric energy consumption is saved, the hollow shaft is rotated by fixedly sleeving the first gear on the hollow shaft, the hollow shaft is rotated by fixedly sleeving the rotary seat on the hollow shaft, so that the rotary seat on the hollow shaft rotates, a plurality of rotary rods on the rotary seat revolve around the hollow shaft as an axis, a second shaft on the rotary rods revolves around the hollow shaft as an axis, and finally a third shaft revolves around the hollow shaft as an axis, so that the rotary disc rotates, the first shaft on the rotary disc rotates, transmission of the first shaft driven by the AC variable-frequency speed regulating motor is completed, the third shaft deviates from the axis of the first shaft and is provided with a plurality of third shafts, so that the rotary disc rotates more stably, in the revolution process of the third shaft by taking the hollow shaft as an axis, the third gear is enabled to rotate along the fourth gear, the stability in the rotation process of the hollow shaft is improved again through the arrangement of the third gear and the fourth gear, finally the rotation of the turntable and the first shaft on the turntable is enabled to be more stable, the oil in the box body enters the turntable in the operation process of the driving device, the oil is cooled through the vortex-shaped cooling pipe in the turntable, the oil in the turntable enters the hollow shaft after being cooled, the oil entering the turntable can be uniformly cooled through the vortex-shaped cooling pipe, the oil in the hollow shaft finally returns to the box body again, the circulation of the oil in the box body is realized, the integral cooling is realized, the variable-frequency speed motor drives the shaft to rotate stably, the heat generated in the transmission process is reduced, the heat is removed through the internal circulation cooling, the cooling effect is good, and the integral service life of the variable-frequency speed motor is prolonged, the rotating speed of the first shaft is controlled by a variable-frequency speed regulating motor.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a sectional view taken along line B-B of fig. 2.
Fig. 4 is a cross-sectional view taken along line C-C of fig. 2.
Fig. 5 is a partial structural sectional view taken along line a-a of fig. 1.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-5, an internal circulation heat dissipation ac variable frequency speed regulating motor includes a box 1 filled with oil, a turntable 2 rotatably disposed on the box, a first shaft 3 having one end fixedly disposed at the center of the turntable, a driving device disposed in the box for driving the turntable to rotate, a circulating device for circulating the oil in the box, a vortex cooling tube 6 disposed in the turntable, and a connecting rod 7 having two ends respectively fixedly disposed on the driving device and the vortex cooling tube; the driving device comprises a hollow shaft 41, two ends of which are rotatably arranged on the box body and the turntable, a first gear 42 fixedly sleeved on the hollow shaft, a second gear 43 meshed with the first gear, an alternating current variable frequency speed regulation motor 44 fixedly arranged on the box body and used for driving the second gear to rotate, a rotating seat 45 fixedly sleeved on the hollow shaft, a plurality of rotating rods 46 which are distributed in an equidistant annular mode and one ends of which are fixedly arranged on the rotating seat, a second shaft 47, one end of which is rotatably arranged on the rotating rod, a third shaft 48, one end of which is rotatably sleeved on the second shaft and the other end of which is fixedly arranged on the turntable, a third gear 49 rotatably sleeved on the third shaft, and a fourth gear 410 which is fixedly arranged on the box body and meshed; the second gear is driven to rotate by the AC variable-frequency speed regulating motor, the second gear is meshed with the first gear, so that the first gear rotates, labor saving effect can be achieved by the arrangement, electric energy consumption is saved, the hollow shaft is rotated by fixedly sleeving the first gear on the hollow shaft, the hollow shaft is rotated by fixedly sleeving the rotary seat on the hollow shaft, so that the rotary seat on the hollow shaft rotates, a plurality of rotary rods on the rotary seat revolve around the hollow shaft as an axis, a second shaft on the rotary rods revolves around the hollow shaft as an axis, and finally a third shaft revolves around the hollow shaft as an axis, so that the rotary disc rotates, the first shaft on the rotary disc rotates, transmission of the first shaft driven by the AC variable-frequency speed regulating motor is completed, the third shaft deviates from the axis of the first shaft and is provided with a plurality of third shafts, so that the rotary disc rotates more stably, in the revolution process of the third shaft by taking the hollow shaft as an axis, the third gear is enabled to rotate along the fourth gear, the stability in the rotation process of the hollow shaft is improved again through the arrangement of the third gear and the fourth gear, finally the rotation of the turntable and the first shaft on the turntable is enabled to be more stable, the oil in the box body enters the turntable in the operation process of the driving device, the oil is cooled through the vortex-shaped cooling pipe in the turntable, the oil in the turntable enters the hollow shaft after being cooled, the oil entering the turntable can be uniformly cooled through the vortex-shaped cooling pipe, the oil in the hollow shaft finally returns to the box body again, the circulation of the oil in the box body is realized, the integral cooling is realized, the variable-frequency speed motor drives the shaft to rotate stably, the heat generated in the transmission process is reduced, the heat is removed through the internal circulation cooling, the cooling effect is good, and the integral service life of the variable-frequency speed motor is prolonged, the rotating speed of the first shaft is controlled by a variable-frequency speed regulating motor.
As shown in fig. 2 and 5, the driving device further includes a fifth gear 411 fixedly sleeved on the second shaft and engaged with the third gear, a sixth gear 412 rotatably sleeved on the rotating rod and engaged with the third gear, a seventh gear 413 rotatably disposed on the case and engaged with the fifth gear, a first ball groove 414 disposed on the seventh gear, a first fixing ring 415 fixedly disposed on the case, a second ball groove 416 disposed on the first fixing ring, and a first ball 417 rotatably disposed on the third shaft and respectively disposed on the first ball groove and the second ball groove; in the revolution process of the second shaft, the third gear rotates, the fifth gear and the sixth gear rotate, the seventh gear rotates, the first ball is positioned in the first ball groove and the second ball groove to roll in the revolution process of the third shaft, the revolution process of the third shaft is more stable through the arrangement, the rotation of the rotary table is more stable, the contact area of the first ball is increased through the arrangement of the first ball groove and the second ball groove, the first ball is limited, the first ball better rolls along the first ball groove and the second ball groove, the first ball rolls more stably, the rotary table is finally rotated more stably, the fifth gear and the sixth gear are simultaneously meshed with the third gear, the stress is uniform in the rotation process of the third gear, and the third gear is better meshed with the fourth gear.
As shown in fig. 2 and 5, the driving device further includes a moving seat 418 movably sleeved on the rotating rod, a first spring 419 sleeved on the rotating rod and having two ends respectively fixed on the rotating seat and the moving seat, a first roller 420 and a second roller 421 rotatably disposed on the moving seat, a third ball groove 422 and a fourth ball groove 423 disposed on the box body, a second ball 424 rotatably disposed on the first roller and located in the third ball groove, and a third ball 425 rotatably disposed on the second roller and located in the fourth ball groove; the first spring is arranged to generate thrust on the movable seat, so that the first roller and the second roller roll along the surface of the box body, the stability of the rotating rod in the revolution process is improved, when the first roller and the second roller are worn, the first roller and the second roller are better adhered to the surface of the box body to roll through the arrangement of the first spring, the stability of the rotating rod in the revolution process can be ensured after long-time work, the moving seat revolves around the axis of the hollow shaft in the revolution process of the rotating rod, the second ball is positioned in the third ball groove to roll, the third ball is positioned in the fourth ball groove to roll, can make first gyro wheel biography in-process more stable through the setting of second ball, it is more stable to make the second gyro wheel biography in-process through the setting of third ball, has improved the stability of bull stick revolution in-process once more, has played the support effect to the bull stick simultaneously, has improved the life of bull stick.
As shown in fig. 3 and 5, the circulation device includes a plurality of first through holes 51 distributed on the turntable in an annular manner at equal intervals, a first check valve 52 arranged at the first through hole, a second through hole 53 arranged on the turntable and used for communicating the turntable with the hollow shaft, a third through hole 54 arranged on the hollow shaft, a first cavity 55 arranged on the box body, a second cavity 56 and a third cavity 57, a second check valve 58 arranged at the first cavity, a plurality of fourth through holes 59 distributed on the box body in an annular manner at equal intervals, a plurality of fifth through holes 510 and a plurality of sixth through holes 511; in the process of increasing the oil in the third cavity, the first check valve is closed, namely the first through hole is closed, the second check valve is opened, so that the oil in the rotary table enters the hollow shaft through the second through hole, the oil in the hollow shaft enters the first cavity through the third through hole, the second check valve is opened, so that the oil in the first cavity enters the second cavity, and the oil in the second cavity enters the third cavity through the sixth through hole; in the oil reducing process in the third cavity, the second check valve is closed, namely the first cavity and the second cavity are disconnected and communicated, the oil in the third cavity enters the second cavity, the oil in the second cavity enters the box body through the fourth through hole and the fifth through hole, the first check valve is opened, the first through hole is opened, the oil in the box body enters the rotary table, and therefore the oil in the box body is continuously increased and reduced, the oil in the box body can be circulated in a single mode, and more comprehensive cooling is achieved.
As shown in fig. 4, the circulating device further includes a second fixing ring 512 coaxial with the first gear and fixedly disposed thereon, a plurality of bumps 513 distributed in an equidistant ring shape and fixedly disposed on the second fixing ring, a plurality of hollow moving plates 514 corresponding to the plurality of bumps one to one and movably disposed on the box body, a third roller 515 rotatably disposed on the hollow moving plate, and a second spring 516 having two ends respectively fixedly disposed on the hollow moving plate and the box body; through the setting of the second spring, produce the thrust to the solid fixed ring direction of second to the hollow movable plate, make hollow movable plate one end paste tight the solid fixed ring of second, set up through the third gyro wheel and reduce the wearing and tearing between hollow movable plate and the solid fixed ring of second, first gear rotation in-process makes the solid fixed ring of second rotate, set up through a plurality of lugs on the solid fixed ring of second, make a plurality of hollow movable plate reciprocating motion, a plurality of hollow movable plates are to the solid fixed ring direction of second removal in-process, make the space in the third cavity diminish, make the oil in the third cavity get into in the second cavity, the solid fixed ring direction of second removal in-process is kept away from to a plurality of hollow movable plates, make the space grow in the third cavity, make the oil in the second cavity get into in the third.
Claims (5)
1. The utility model provides a radiating interchange variable frequency speed regulating motor of inner loop which characterized in that: the oil circulation device comprises a box body (1) filled with oil, a rotary table (2) rotatably arranged on the box body, a first shaft (3) with one end fixedly arranged at the center of the rotary table, a driving device positioned in the box body and used for driving the rotary table to rotate, a circulating device used for circulating the oil in the box body, a vortex-shaped cooling pipe (6) arranged in the rotary table, and a connecting rod (7) with two ends respectively fixedly arranged on the driving device and the vortex-shaped cooling pipe; the driving device comprises a hollow shaft (41) with two ends rotating and arranged on the box body and the turntable, a first gear (42) fixedly arranged on the hollow shaft, a second gear (43) meshed with the first gear, an alternating-current variable-frequency speed-regulating motor (44) fixedly arranged on the box body and used for driving the second gear to rotate, a rotating seat (45) fixedly arranged on the hollow shaft, a plurality of rotating rods (46) with equal-distance annular distribution and one end fixedly arranged on the rotating seat, a second shaft (47) with one end rotating and arranged on the rotating rods, a third shaft (48) with one end rotating and arranged on the second shaft and the other end fixedly arranged on the turntable, a third gear (49) rotatably arranged on the third shaft, and a fourth gear (410) fixedly arranged on the box body and arranged with the third.
2. The alternating-current variable-frequency speed-regulating motor with the internal circulation for heat dissipation according to claim 1, is characterized in that: the driving device further comprises a fifth gear (411) which is fixedly sleeved on the second shaft and is meshed with the third gear, a sixth gear (412) which is rotatably sleeved on the rotating rod and is meshed with the third gear, a seventh gear (413) which is rotatably arranged on the box body and is meshed with the fifth gear, a first ball groove (414) arranged on the seventh gear, a first fixing ring (415) fixedly arranged on the box body, a second ball groove (416) arranged on the first fixing ring, and first balls (417) which are rotatably arranged on the third shaft and are respectively arranged on the first ball groove and the second ball groove.
3. The alternating-current variable-frequency speed-regulating motor with the internal circulation for heat dissipation according to claim 1, is characterized in that: the driving device further comprises a moving seat (418) movably sleeved on the rotating rod, a first spring (419) sleeved on the rotating rod and fixedly arranged on the rotating seat and the moving seat at two ends respectively, a first roller (420) and a second roller (421) rotatably arranged on the moving seat, a third ball groove (422) and a fourth ball groove (423) arranged on the box body, a second ball (424) rotatably arranged on the first roller and positioned in the third ball groove, and a third ball (425) rotatably arranged on the second roller and positioned in the fourth ball groove.
4. The alternating-current variable-frequency speed-regulating motor with the internal circulation for heat dissipation according to claim 1, is characterized in that: the circulating device comprises a plurality of first through holes (51) which are distributed in an equal-distance annular mode and arranged on the rotary table, a first check valve (52) arranged at the position of the first through hole, a second through hole (53) which is arranged on the rotary table and used for communicating the rotary table with the hollow shaft, a third through hole (54) arranged on the hollow shaft, a first cavity (55) arranged on the box body, a second cavity (56) and a third cavity (57), a second check valve (58) arranged at the position of the first cavity, a plurality of fourth through holes (59) and a plurality of fifth through holes (510) which are distributed in an equal-distance annular mode and arranged on the box body, and a plurality of sixth through holes (511).
5. The alternating-current variable-frequency speed-regulating motor with the internal circulation for heat dissipation according to claim 1, is characterized in that: the circulating device further comprises a second fixing ring (512) which is coaxial with the first gear and fixedly arranged on the first gear, a plurality of bumps (513) which are distributed in an equidistant annular mode and fixedly arranged on the second fixing ring, a plurality of hollow moving plates (514) which are in one-to-one correspondence with the bumps and movably arranged on the box body, a third roller (515) which is rotatably arranged on the hollow moving plates, and a second spring (516) of which the two ends are respectively and fixedly arranged on the hollow moving plates and the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110391907.5A CN113114007B (en) | 2021-04-13 | 2021-04-13 | Alternating current variable frequency speed regulation motor with internal circulation heat dissipation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110391907.5A CN113114007B (en) | 2021-04-13 | 2021-04-13 | Alternating current variable frequency speed regulation motor with internal circulation heat dissipation |
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| CN113114007A true CN113114007A (en) | 2021-07-13 |
| CN113114007B CN113114007B (en) | 2022-03-29 |
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| WO2016146067A1 (en) * | 2015-03-16 | 2016-09-22 | 刘刚 | Planetary gear torque apparatus |
| CN109861496A (en) * | 2019-04-16 | 2019-06-07 | 马鞍山蓝信环保科技有限公司 | A kind of energy saving and environment friendly permanent magnet speed regulation device |
| CN112483389A (en) * | 2020-11-19 | 2021-03-12 | 浙江春晖空调压缩机有限公司 | Wear-resistant scroll air conditioner compressor |
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| CN113114007B (en) | 2022-03-29 |
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Denomination of invention: An AC variable frequency speed control motor with internal circulation heat dissipation Effective date of registration: 20231130 Granted publication date: 20220329 Pledgee: Bank of Jiangsu Limited by Share Ltd. Hangzhou branch Pledgor: SOWEI TECHNOLOGY (HANGZHOU) Co.,Ltd. Registration number: Y2023980068529 |