CN113890298A - Double-torque brushless motor - Google Patents

Double-torque brushless motor Download PDF

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Publication number
CN113890298A
CN113890298A CN202111109042.5A CN202111109042A CN113890298A CN 113890298 A CN113890298 A CN 113890298A CN 202111109042 A CN202111109042 A CN 202111109042A CN 113890298 A CN113890298 A CN 113890298A
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CN
China
Prior art keywords
motor
end cap
module
housing
hollow
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Granted
Application number
CN202111109042.5A
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Chinese (zh)
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CN113890298B (en
Inventor
刘冰融
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Yongjie Motor Co ltd
Original Assignee
Suzhou Rotary Motor Co ltd
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Priority to CN202111109042.5A priority Critical patent/CN113890298B/en
Publication of CN113890298A publication Critical patent/CN113890298A/en
Application granted granted Critical
Publication of CN113890298B publication Critical patent/CN113890298B/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The invention relates to a dual-torque brushless motor. The invention comprises the following steps: motor housing, drive module, major axis motor module, the hollow shaft motor module that sets up in order in the motor housing, drive module is connected with major axis motor module, hollow shaft motor module drive respectively, major axis motor module includes first rotor, installs in the solid pivot of first rotor, the hollow shaft motor module includes the second rotor, installs in the hollow rotating shaft of second rotor, solid pivot is located in the hollow rotating shaft and with the hollow rotating shaft is coaxial. According to the double-torque brushless motor, the long-shaft motor module and the hollow-shaft motor module are arranged, the driving module is used for controlling to obtain two different torques, and the rotating stator and the stator can be adjusted to output different torques, so that actual requirements are met, the torque of the brushless motor is improved, and the performance of the brushless motor is improved.

Description

Double-torque brushless motor
Technical Field
The invention relates to the technical field of brushless motors, in particular to a double-torque brushless motor.
Background
In the prior art, the magnetic field density is generally improved by increasing the number of winding turns or increasing the current, and the like, so that the driving torque of the motor is improved, and the torque provided by the motor is increased.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the problem that the torque increasing mode of the motor in the prior art has limitation.
In order to solve the above technical problem, the present invention provides a dual torque brushless motor, comprising: motor housing, drive module, major axis motor module, the hollow shaft motor module that sets up in order in the motor housing, drive module is connected with major axis motor module, hollow shaft motor module drive respectively, major axis motor module includes first rotor, installs in the solid pivot of first rotor, the hollow shaft motor module includes the second rotor, installs in the hollow rotating shaft of second rotor, solid pivot is located in the hollow rotating shaft and with the hollow rotating shaft is coaxial.
In an embodiment of the invention, the motor further comprises a first end cover, the first end cover is installed at one end of the motor casing, a first sealing groove is formed in the circumferential direction of the first end cover, and a first sealing ring is arranged in the first sealing groove.
In one embodiment of the invention, the drive module further comprises a second end cover and a first screw, the first end cover is provided with a first mounting hole, the drive module comprises a second mounting hole, the second end cover is provided with a third mounting hole, and the first end cover, the drive module and the second end cover are connected through the first mounting hole, the second mounting hole, the third mounting hole and the first screw.
In one embodiment of the invention, the motor housing comprises an upper housing and a lower housing detachably connected with the upper housing, and the upper housing is connected with the second end cover through a second screw.
In an embodiment of the present invention, a second seal groove, a second seal ring disposed in the second seal groove, a third seal groove, and a third seal ring disposed in the third seal groove are circumferentially disposed on the second end cover, the second seal ring is used for sealing the second end cover with the upper housing, and the third seal ring is used for sealing the second end cover with the lower housing.
In an embodiment of the present invention, a third end cover is further disposed inside the motor housing, a first bearing chamber, a second bearing chamber, a first bearing disposed in the first bearing chamber, and a second bearing disposed in the second bearing chamber are disposed at upper and lower ends of the third end cover, the solid rotating shaft is mounted in the first bearing chamber through the first bearing, and the hollow rotating shaft is mounted in the second bearing chamber through the second bearing.
In an embodiment of the invention, the long-axis motor module further includes a first stator, the second end cover further includes a first wire passing port, the third end cover further includes a second wire passing port, the three-phase wires of the hollow-axis motor module are led out to the driving module through the second wire passing port, the stator slot of the first stator and the first wire passing port in sequence, and the three-phase wires of the long-axis motor module are led out to the driving module through the first wire passing port.
In an embodiment of the present invention, the hollow shaft motor module further includes a second stator, a plurality of steps are disposed in the motor housing, and the first stator, the third end cover, and the second stator are respectively mounted in the motor housing through the steps.
In an embodiment of the invention, the motor further includes a fourth end cover, the fourth end cover is provided with an external thread, the other end of the motor housing is provided with an internal thread matched with the external thread, the fourth end cover is connected with the other end of the motor housing through the external thread and the internal thread, a fourth sealing groove is circumferentially arranged on the fourth end cover, and a fourth sealing ring is arranged in the fourth sealing groove.
In one embodiment of the invention, the first end cap further comprises a third bearing chamber for solid spindle mounting and the fourth end cap further comprises a fourth bearing chamber for hollow spindle mounting.
Compared with the prior art, the technical scheme of the invention has the following advantages:
according to the double-torque brushless motor, the long-shaft motor module and the hollow-shaft motor module are arranged, the driving module is used for controlling to obtain two different torques, and the rotating stator and the stator can be adjusted to output different torques, so that actual requirements are met, the torque of the brushless motor is improved, and the performance of the brushless motor is improved.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural diagram of a dual-torque brushless motor according to the present invention.
Fig. 2 is a schematic structural diagram of the dual-torque brushless motor of the present invention with the housing omitted.
Fig. 3 is a perspective view of a half-section structure of the dual-torque brushless motor of the present invention.
Fig. 4 is a schematic structural view of the present invention with the upper housing omitted.
The specification reference numbers indicate: 1. a motor housing; 11. an upper housing; 12. a lower housing; 13. a step; 14. an internal thread; 2. a drive module; 3. a long shaft motor module; 31. a first rotor; 32. a solid spindle; 33. a first stator; 4. a hollow shaft motor module; 41. a second rotor; 42. a hollow rotating shaft; 43. a second stator; 5. a first end cap; 51. a first seal ring; 52. a third bearing chamber; 6. a second end cap; 61. a second seal ring; 62. a third seal ring; 7. a third end cap; 71. a first bearing chamber; 72. a second bearing chamber; 73. a first bearing; 74. a second bearing; 8. a fourth end cap; 81. an external thread; 82. a fourth seal ring; 83. a fourth bearing chamber; 9. a first screw; 10. a second screw.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1 to 4, a dual torque brushless motor of the present invention includes: motor housing 1, drive module 2 (like power board, drive plate), major axis motor module 3, hollow shaft motor module 4 that set up in motor housing 1 in order, drive module 2 is connected with major axis motor module 3, hollow shaft motor module 4 drive respectively, major axis motor module 3 includes first rotor 31, installs in the solid pivot 32 of first rotor 31, hollow shaft motor module 4 includes second rotor 41, installs in the hollow rotating shaft 42 of second rotor 41, solid pivot 32 locate in the hollow rotating shaft 42 and with hollow rotating shaft 42 is coaxial. Through setting up major axis motor module 3, hollow shaft motor module 4, control in order to obtain two different moments of torsion through drive module 2 to can export different moments of torsion according to adjusting the stator, with satisfying actual need, improved brushless motor's moment of torsion, then improved the performance of this motor.
Specifically, still include first end cover 5, first end cover 5 installs in motor housing 1 one end, first end cover 5's circumference is equipped with first seal groove, be equipped with first sealing washer 51(O type circle) in the first seal groove. Through setting up O type circle, played waterproof effect well.
Specifically, still include second end cover 6, first screw 9, first end cover 5 is equipped with first mounting hole, drive module 2 includes the second mounting hole, second end cover 6 is equipped with the third mounting hole, will through first mounting hole, second mounting hole, third mounting hole and first screw 9 first end cover 5, drive module 2, second end cover 6 are connected. Through the arrangement, the first end cover 5, the driving module 2 and the second end cover 6 are convenient to detach and install.
Specifically, the motor housing 1 includes an upper housing 11, and a lower housing 12 detachably connected to the upper housing 11, and the upper housing 11 is connected to the second end cap 6 by a second screw 10. Through the above arrangement, the installation of the second end cap 6 is facilitated.
Specifically, the second end cap 6 is circumferentially provided with a second sealing groove, a second sealing ring 61 arranged in the second sealing groove, a third sealing groove, and a third sealing ring 62 arranged in the third sealing groove, wherein the second sealing ring 61 is used for sealing the second end cap 6 with the upper housing 11, and the third sealing ring 62 is used for sealing the second end cap 6 with the lower housing 12. Through the arrangement, the connection sealing performance between the second end cover 6 and the upper shell 11 and between the second end cover and the upper shell 11 is facilitated.
Specifically, a third end cap 7 is further arranged inside the motor housing 1, a first bearing chamber 71 and a second bearing chamber 72 are arranged at the upper end and the lower end of the third end cap 7, a first bearing 73 is arranged in the first bearing chamber 71, and a second bearing 74 is arranged in the second bearing chamber 72, the solid rotating shaft 32 is installed in the first bearing chamber 71 through the first bearing 73, and the hollow rotating shaft 42 is installed in the second bearing chamber 72 through the second bearing 74. Through the arrangement, the third end cover 7 is used as a connecting piece for the solid rotating shaft 32 and the hollow shaft, and the structure is simple and convenient.
Specifically, the long-axis motor module 3 further includes a first stator 33, the second end cap 6 further includes a first wire passing port, the third end cap 7 further includes a second wire passing port, the three-phase wire of the hollow shaft motor module 4 is led out to the driving module 2 through the second wire passing port, the stator slot of the first stator 33 and the first wire passing port in sequence, and the three-phase wire of the long-axis motor module 3 is led out to the driving module 2 through the first wire passing port. Through the arrangement, the three-phase line connection layout of the long shaft motor module 3 and the hollow shaft motor module 4 is facilitated.
Specifically, the hollow shaft motor module 4 further includes a second stator 43, the motor housing 1 is a hollow aluminum pipe, three steps 13 are reserved inside by machining, and the first stator 33, the third end cap 7 and the second stator 43 are respectively installed in the motor housing 1 through the steps 13. Through the arrangement, the first stator 33, the third end cover 7 and the second stator 43 are convenient to install in the motor shell 1.
Specifically, still include fourth end cover 8, fourth end cover 8 is equipped with external screw thread 81, the motor housing 1 other end is equipped with the internal thread 14 with external screw thread 81 complex, fourth end cover 8 is connected with the motor housing 1 other end through external screw thread 81, internal thread 14, fourth end cover 8's circumference is equipped with the fourth seal groove, be equipped with fourth sealing washer 82 in the fourth seal groove. Through the structure, the connection sealing performance of the fourth end cover 8 and the motor shell 1 is enhanced, and the waterproof performance is improved.
Specifically, the first end cap 5 further includes a third bearing chamber 52 for mounting the solid rotary shaft 32, and the fourth end cap 8 further includes a fourth bearing chamber 83 for mounting the hollow rotary shaft 42. Through the structural arrangement, the solid rotating shaft 32 can be rotatably connected to the first end cover 5, and the hollow rotating shaft 42 can be rotatably connected to the fourth end cover 8.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.

Claims (10)

1. A dual-torque brushless motor, comprising: motor housing, drive module, major axis motor module, the hollow shaft motor module that sets up in order in the motor housing, drive module is connected with major axis motor module, hollow shaft motor module drive respectively, major axis motor module includes first rotor, installs in the solid pivot of first rotor, the hollow shaft motor module includes the second rotor, installs in the hollow rotating shaft of second rotor, solid pivot is located in the hollow rotating shaft and with the hollow rotating shaft is coaxial.
2. The dual-torque brushless motor of claim 1, further comprising a first end cap, wherein the first end cap is mounted at one end of the motor housing, a first sealing groove is formed in the first end cap in the circumferential direction, and a first sealing ring is arranged in the first sealing groove.
3. The dual-torque brushless motor of claim 2, further comprising a second end cap and a first screw, wherein the first end cap is provided with a first mounting hole, the driving module comprises a second mounting hole, the second end cap is provided with a third mounting hole, and the first end cap, the driving module and the second end cap are connected through the first mounting hole, the second mounting hole, the third mounting hole and the first screw.
4. The dual-torque brushless motor of claim 2, wherein the motor housing comprises an upper housing, a lower housing removably coupled to the upper housing, and the upper housing is coupled to the second end cap by a second screw.
5. The dual-torque brushless motor of claim 4, wherein the second end cover is circumferentially provided with a second sealing groove, a second sealing ring arranged in the second sealing groove, a third sealing groove, and a third sealing ring arranged in the third sealing groove, the second sealing ring is used for sealing the second end cover with the upper housing, and the third sealing ring is used for sealing the second end cover with the lower housing.
6. The brushless motor of claim 3, wherein a third end cap is further disposed inside the motor housing, the third end cap has a first bearing chamber, a second bearing chamber, a first bearing disposed in the first bearing chamber, and a second bearing disposed in the second bearing chamber at upper and lower ends of the third end cap, the solid shaft is mounted in the first bearing chamber through the first bearing, and the hollow shaft is mounted in the second bearing chamber through the second bearing.
7. The dual-torque brushless motor of claim 6, wherein the long-axis motor module further comprises a first stator, the second end cover further comprises a first wire passing port, the third end cover further comprises a second wire passing port, the three-phase wires of the hollow-axis motor module are led out to the driving module sequentially through the second wire passing port, the stator slot of the first stator and the first wire passing port, and the three-phase wires of the long-axis motor module are led out to the driving module through the first wire passing port.
8. The dual-torque brushless electric machine of claim 1, wherein the hollow shaft motor module further comprises a second stator, the motor housing has a plurality of steps therein, and the first stator, the third end cap, and the second stator are mounted in the motor housing via the steps, respectively.
9. The dual-torque brushless motor of claim 2, further comprising a fourth end cap, wherein the fourth end cap is provided with an external thread, the other end of the motor housing is provided with an internal thread matched with the external thread, the fourth end cap is connected with the other end of the motor housing through the external thread and the internal thread, a fourth sealing groove is formed in the circumferential direction of the fourth end cap, and a fourth sealing ring is arranged in the fourth sealing groove.
10. The dual torque brushless electric machine of claim 9, wherein the first end cap further comprises a third bearing chamber for solid spindle mounting, and the fourth end cap further comprises a fourth bearing chamber for hollow spindle mounting.
CN202111109042.5A 2021-09-22 2021-09-22 Double-torque brushless motor Active CN113890298B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111109042.5A CN113890298B (en) 2021-09-22 2021-09-22 Double-torque brushless motor

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Application Number Priority Date Filing Date Title
CN202111109042.5A CN113890298B (en) 2021-09-22 2021-09-22 Double-torque brushless motor

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CN113890298A true CN113890298A (en) 2022-01-04
CN113890298B CN113890298B (en) 2023-02-28

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Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH404779A (en) * 1959-04-27 1965-12-31 Rudolf Grauer Ag Maschinen Und Twin motor with device for speed regulation
US20020084708A1 (en) * 2000-09-06 2002-07-04 Jurgen Oelsch Spindle motor with shell for solid-plate running gears
CN101359862A (en) * 2008-09-27 2009-02-04 沈阳工业大学 Permanent magnetic synchronous motor having single electricity port and dual mechanical port of same speed in reversed direction
CN102005858A (en) * 2010-11-21 2011-04-06 沈阳工业大学 Brushless dual-blade heterodromously-driven permanent-magnet wind generator
US20120001502A1 (en) * 2010-07-01 2012-01-05 Yee-Chun Lee Multi-unit Modular Stackable Switched Reluctance Motor System with Parallely Excited Low Reluctance Circumferential Magnetic Flux loops for High Torque Density Generation
CN104767332A (en) * 2015-04-20 2015-07-08 哈尔滨工业大学 Hollow radial-magnetic-field permanent magnet opposite-rotating double-rotor compensation pulse electric generator
WO2015159761A1 (en) * 2014-04-15 2015-10-22 株式会社豊田自動織機 Slip-ring mechanism and dynamo-electric machine provided with slip-ring mechanism
US20160197540A1 (en) * 2015-01-05 2016-07-07 Shanghai Langham Automatic Co., Ltd. Motor
CN207977874U (en) * 2017-12-15 2018-10-16 常州市三协电机电器有限公司 A kind of water pump DC brushless motor
US20190036424A1 (en) * 2016-02-04 2019-01-31 Jing-Jin Electric Technologies Co.,Ltd. Integrated electrical motor
JP2019080438A (en) * 2017-10-25 2019-05-23 株式会社豊田中央研究所 Two-shaft output induction machine
CN110601400A (en) * 2019-09-18 2019-12-20 深圳市泉胜精密科技有限公司 Oil immersion type integrated permanent magnet brushless direct current motor
CN211508826U (en) * 2019-12-30 2020-09-15 苏州绿控传动科技股份有限公司 Integrated motor driving system for dual-output vehicle
CN212543616U (en) * 2020-05-20 2021-02-12 国网黑龙江省电力有限公司佳木斯供电公司 Double-speed motor with fault-tolerant function
CN112510953A (en) * 2020-11-25 2021-03-16 哈尔滨工业大学 Transverse dislocation brushless double-rotor motor based on unilateral magnetic regulation principle

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH404779A (en) * 1959-04-27 1965-12-31 Rudolf Grauer Ag Maschinen Und Twin motor with device for speed regulation
US20020084708A1 (en) * 2000-09-06 2002-07-04 Jurgen Oelsch Spindle motor with shell for solid-plate running gears
CN101359862A (en) * 2008-09-27 2009-02-04 沈阳工业大学 Permanent magnetic synchronous motor having single electricity port and dual mechanical port of same speed in reversed direction
US20120001502A1 (en) * 2010-07-01 2012-01-05 Yee-Chun Lee Multi-unit Modular Stackable Switched Reluctance Motor System with Parallely Excited Low Reluctance Circumferential Magnetic Flux loops for High Torque Density Generation
CN102005858A (en) * 2010-11-21 2011-04-06 沈阳工业大学 Brushless dual-blade heterodromously-driven permanent-magnet wind generator
WO2015159761A1 (en) * 2014-04-15 2015-10-22 株式会社豊田自動織機 Slip-ring mechanism and dynamo-electric machine provided with slip-ring mechanism
US20160197540A1 (en) * 2015-01-05 2016-07-07 Shanghai Langham Automatic Co., Ltd. Motor
CN104767332A (en) * 2015-04-20 2015-07-08 哈尔滨工业大学 Hollow radial-magnetic-field permanent magnet opposite-rotating double-rotor compensation pulse electric generator
US20190036424A1 (en) * 2016-02-04 2019-01-31 Jing-Jin Electric Technologies Co.,Ltd. Integrated electrical motor
JP2019080438A (en) * 2017-10-25 2019-05-23 株式会社豊田中央研究所 Two-shaft output induction machine
CN207977874U (en) * 2017-12-15 2018-10-16 常州市三协电机电器有限公司 A kind of water pump DC brushless motor
CN110601400A (en) * 2019-09-18 2019-12-20 深圳市泉胜精密科技有限公司 Oil immersion type integrated permanent magnet brushless direct current motor
CN211508826U (en) * 2019-12-30 2020-09-15 苏州绿控传动科技股份有限公司 Integrated motor driving system for dual-output vehicle
CN212543616U (en) * 2020-05-20 2021-02-12 国网黑龙江省电力有限公司佳木斯供电公司 Double-speed motor with fault-tolerant function
CN112510953A (en) * 2020-11-25 2021-03-16 哈尔滨工业大学 Transverse dislocation brushless double-rotor motor based on unilateral magnetic regulation principle

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