CN102158024A - Serially connected cascade motor - Google Patents
Serially connected cascade motor Download PDFInfo
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- CN102158024A CN102158024A CN201110077550XA CN201110077550A CN102158024A CN 102158024 A CN102158024 A CN 102158024A CN 201110077550X A CN201110077550X A CN 201110077550XA CN 201110077550 A CN201110077550 A CN 201110077550A CN 102158024 A CN102158024 A CN 102158024A
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Abstract
The invention provides a serially connected cascade motor, belonging to the field of motors, and aiming at solving the problem of high research cost and long development time in developing a plurality of motors in allusion to different requirements. In the serially connected cascade motor provided by the invention, shaft extensions of all main shafts are in external spline structure or flat key structure, wherein the back end of the main shaft is provided with an internal spline hole or a flat key hole matched with the shaft extension; the fronts and the backs of n main shafts are orderly connected to form a shaft of a serially connected cascade motor; the outer surface of each main shaft is fixedly equipped with a rotor; the shell is cylindrical in shape, the inner wall of each shell is equipped with a stator; the rotor and the stator arranged on the corresponding positions are provided with an air gap therebetween; the front end of the shell arranged on the power output end of shaft the serially connected cascade motor is equipped with a front end cover; the back end of the shell arranged on the other end of shaft of the serially connected cascade motor is equipped with a back end cover; the front end cover is connected with the main shaft through a bearing; each two adjacent shells are provided with a back end cover therebetween; and the back end cover is connected with the corresponding main shaft through a bearing.
Description
Technical field
The present invention relates to the tandem cascade machine, belong to machine field.
Background technology
Conventional motors design with make the motor product that a seriation standard production that to be motor manufacturer draw according to the relevant seriation motor standard of country or enterprise self research goes out different size, the user selects corresponding motor product according to the performance need of oneself; The 2nd, the user feeds back to motor manufacturer with technical conditions such as motor properties demand and structure installations, customizes satisfactory motor product.
Along with increasing gradually of motor kind, such as, the used for electric vehicle drive motors, because vehicle is of a great variety, the power grade requirement of motor, range of speeds requirement, mounting structure requirement etc. are had nothing in common with each other, and this just needs motor manufacturer that different needs is developed corresponding product respectively, causes research and development with high costs, R﹠D cycle is longer, has limited the fast development of industry.And the user selects to use inconvenience in the process of research and development, and research approach of every change may will change motor, also will change once all sizes simultaneously.
Simultaneously, along with the lifting of motor user to the motor performance demand, to the reliability requirement of motor also in continuous increase.The user wishes that motor has higher reliability and stronger fault-tolerant ability, so that motor when breaking down, can also work on, can not cause big loss or security incident.At present, common way is, in design of electrical motor, increase some fault-tolerant unit or redundancy units as requested, to satisfy the requirement of its high reliability, this method has satisfied requirement to a certain extent, but its shortcoming is volume and the cost that has increased motor, has reduced power of motor density etc.
Summary of the invention
The present invention seeks to develop research cost height, the long problem of research and development time that multiple motor causes motor producer, and in order to make user's type selecting easy to use, easy to maintenance, maintenance cost is low in order to solve at different demands.The tandem cascade machine is provided.
Tandem cascade machine of the present invention comprises n main shaft, a n rotor, a n stator, a n housing, 1 front end housing and n rear end cap,
The shaft extension of main shaft is external splines structure or flat key structure, the rear end of main shaft has internal splined hole or the flat key hole that cooperates with shaft extension, n main shaft front and back are in turn connected to form the axle of tandem cascade machine, each outerface of spindle fixedly installs a rotor, housing is a cylindrical shape, the inwall of each housing is provided with a stator, between the rotor of correspondence position and the stator air gap is arranged, the front end of housing of clutch end that is positioned at the axle of tandem cascade machine is provided with front end housing, the rear end of casing that is positioned at the axle other end of described tandem cascade machine is provided with a rear end cap, bearing is connected between front end housing and the main shaft, between adjacent two housings a rear end cap is set all, and bearing connects between each rear end cap and the corresponding main shaft, and n is the natural number greater than 2.
Described tandem cascade machine also can use separately, and when independent the use, it comprises main shaft, rotor, stator, housing, front end housing and rear end cap,
The outerface of spindle fixedly installs rotor, housing is a cylindrical shape, the inwall of housing is provided with stator, between rotor and the stator air gap is arranged, two end faces are provided with front end housing and rear end cap respectively about housing, and front end housing is arranged on the shaft extension side of main shaft, and bearing is connected between front end housing and the main shaft, rear end cap is arranged on the rear end of main shaft, and bearing is connected between rear end cap and the main shaft
The shaft extension of main shaft is external splines structure or flat key structure, and the rear end of main shaft has internal splined hole or the flat key hole that cooperates with shaft extension.
Advantage of the present invention:
1, reduces motor manufacturer R﹠D costs, shorten the research and development time;
2, user's type selecting is easy to use, cost is low, can select the quantity of motor according to power grade, can increase or reduce the quantity of motor when power demand changes;
3, motor has high fault tolerance, high reliability, when a motor in the cascade breaks down, and tandem cascade machine endure;
4, easy to maintenance, maintenance cost is low, when one of them motor module breaks down, only needs replacing separately to get final product;
5, operational efficiency height, when needs low-speed and large-torque or ultrahigh speed operation, the control section motor module work as required of tandem cascade machine system, and according to loading condition, optimization preferred plan, each motor is operated under the different power as required, guarantees the most effective of system.
Description of drawings
Fig. 1 is the structural representation of execution mode one described segmented cascade machine;
Fig. 2 is the structural representation of execution mode three described segmented cascade machines;
Fig. 3 is the described motor of Fig. 2 installs position transducer additional on bearing a structural representation;
Fig. 4 is the described motor of Fig. 2 installs position transducer additional at the bearing end a structural representation.
Embodiment
Embodiment one: below in conjunction with Fig. 1 present embodiment is described, execution mode tandem cascade machine, it comprises 1 front end housing 5, a n main shaft 1, a n rotor 2, a n stator 3, a n housing 4 and n rear end cap 6,
The shaft extension of main shaft 1 is external splines structure or flat key structure, the rear end of main shaft 1 has internal splined hole or the flat key hole that cooperates with shaft extension, n main shaft 1 front and back are in turn connected to form the axle of tandem cascade machine, each main shaft 1 outer surface fixedly installs a rotor 2, housing 4 is a cylindrical shape, the inwall of each housing 4 is provided with a stator 3, between the rotor 2 of correspondence position and the stator 3 air gap is arranged, the front end of housing 4 of clutch end that is positioned at the axle of tandem cascade machine is provided with front end housing 5, the rear end of casing 4 that is positioned at the axle other end of described tandem cascade machine is provided with a rear end cap 6, bearing is connected between front end housing 5 and the main shaft 1, between adjacent two housings 4 rear end cap 6 is set all, and bearing connects between each rear end cap 6 and the corresponding main shaft 1, and n is the natural number greater than 2.
The tandem cascade machine adopts special cabinet, end cap and axle, makes its work that can be cascaded easily.Casing 4 and front end housing 5, rear end cap 6 cooperatively interact by seam, and externally fix; Rear end cap 6 both sides have identical seam, and it can be matched with the motor case of back one-level; The rear end of main shaft 1 has the hole of matching with shaft extension, fixedlys connected with the terminal of previous stage main shaft 1 so that the shaft extension of back one-level motor can be passed through spline, flat key or other connected mode.
When the tandem cascade machine works independently, can adopt the mode of position-sensor-free to be connected operation with controller, also can on shaft rear end or axle, be connected operation with controller by the installation site transducer.When a tandem cascade machine power can not meet the demands and when needing many, can be with the tandem cascade machine as the battery work that is together in series, the tandem cascade machine module front end housing 5 of needs series connection is removed, the shaft extension of casing 4 and main shaft 1 directly links to each other with the rear end cap 6 of previous stage motor and the rear end of main shaft 1, because special casing, end cap and the axle of tandem cascade machine designs, and can guarantee the motor service requirement of phase cascade.By that analogy, quantity that can be as required links to each other motor module successively.The motor module axle of phase cascade interconnects, and power is output as their power sum, transmits by an end tandem cascade machine is axially outer.
The tandem cascade machine of cascade has high fault tolerance, high reliability, and when a motor in the cascade broke down, tandem cascade machine endure had guaranteed the fail safe of system; Easy to maintenance, the maintain and replace cost is low, when changing one of them motor when needing repairing, only bad module replacement need be got final product; Compact conformation, volume is little in light weight; Adopt common axle, firm in structure, can save number of position sensors, reduce cost, improve the control effect; The operational efficiency height, when motor needs low-speed and large-torque or ultrahigh speed operation, tandem cascade machine system can control single motor work or wherein several machine operation as required, and according to actual conditions, optimization preferred plan, each motor is operated under the different power as required, guarantees the most effective of system.
Embodiment two: below in conjunction with Fig. 3 and Fig. 4 present embodiment is described, present embodiment is described further execution mode one, and it also comprises position transducer 7, and position transducer 7 is arranged on the bearing of main shaft 1 rear end or the bearing end.
Embodiment three: present embodiment is described below in conjunction with Fig. 2, the described tandem cascade machine of present embodiment is a kind of special circumstances of execution mode one, situation when being n=1, it comprises main shaft 1, rotor 2, stator 3, housing 4, front end housing 5 and rear end cap 6
The shaft extension of main shaft 1 is external splines structure or flat key structure, represents with 1-1 among the figure, and the rear end of main shaft 1 has internal splined hole or the flat key hole that cooperates with shaft extension, represents with 1-2 among the figure.
Embodiment four: below in conjunction with Fig. 3 and Fig. 4 present embodiment is described, present embodiment is described further execution mode three, and it also comprises position transducer 7, and position transducer 7 is arranged on the bearing of main shaft 1 rear end or the bearing end.
Claims (6)
1. the tandem cascade machine is characterized in that, it comprises n main shaft (1), a n rotor (2), a n stator (3), a n housing (4), 1 front end housing (5) and n rear end cap (6),
The shaft extension of main shaft (1) is external splines structure or flat key structure, the rear end of main shaft (1) has internal splined hole or the flat key hole that cooperates with shaft extension, be in turn connected to form the axle of tandem cascade machine before and after n the main shaft (1), each main shaft (1) outer surface fixedly installs a rotor (2), housing (4) is a cylindrical shape, the inwall of each housing (4) is provided with a stator (3), between rotor of correspondence position (2) and the stator (3) air gap is arranged, the front end of housing (4) of clutch end that is positioned at the axle of tandem cascade machine is provided with front end housing (5), the rear end of casing 4 that is positioned at the axle other end of described tandem cascade machine is provided with a rear end cap (6), bearing is connected between front end housing (5) and the main shaft (1), a rear end cap (6) all is set between adjacent two housings (4), and bearing connects between each rear end cap (6) and the corresponding main shaft (1), and n is the natural number greater than 2.
2. tandem cascade machine according to claim 1 is characterized in that, it also comprises position transducer (7), and position transducer (7) is arranged on the bearing of main shaft (1) rear end of the axle other end of tandem cascade machine or the bearing end.
3. tandem cascade machine according to claim 1, it is characterized in that, front end housing (5) has and the seam of this cooperation of housing (4), closely cooperate by seam between front end housing (5) and the housing (4), the two-way seam that rear end cap (6) has and housing (4) cooperates closely cooperates by two-way seam between rear end cap (6) and the housing (4).
4. the tandem cascade machine is characterized in that, it comprises main shaft (1), rotor (2), stator (3), housing (4), front end housing (5) and rear end cap (6),
Main shaft (1) outer surface fixedly installs rotor (2), housing (4) is a cylindrical shape, the inwall of housing (4) is provided with stator (3), between rotor (2) and the stator (3) air gap is arranged, two end faces are provided with front end housing (5) and rear end cap (6) respectively about housing (4), and front end housing (5) is arranged on the shaft extension side of main shaft (1), and bearing is connected between front end housing (5) and the main shaft (1), rear end cap (6) is arranged on the rear end of main shaft (1), and bearing is connected between rear end cap (6) and the main shaft (1)
The shaft extension of main shaft (1) is external splines structure or flat key structure, and the rear end of main shaft (1) has internal splined hole or the flat key hole that cooperates with shaft extension.
5. tandem cascade machine according to claim 4, it is characterized in that, front end housing (5) has and the seam of this cooperation of housing (4), closely cooperate by seam between front end housing (5) and the housing (4), the two-way seam that rear end cap (6) has and housing (4) cooperates closely cooperates by two-way seam between rear end cap (6) and the housing (4).
6. tandem cascade machine according to claim 4 is characterized in that, it also comprises position transducer (7), and position transducer (7) is arranged on the bearing of main shaft (1) rear end or the bearing end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110077550XA CN102158024A (en) | 2011-03-30 | 2011-03-30 | Serially connected cascade motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110077550XA CN102158024A (en) | 2011-03-30 | 2011-03-30 | Serially connected cascade motor |
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| CN102158024A true CN102158024A (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110077550XA Pending CN102158024A (en) | 2011-03-30 | 2011-03-30 | Serially connected cascade motor |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102882313A (en) * | 2012-10-29 | 2013-01-16 | 罗寿元 | Special high/low-speed multi-motor clutch type combined brushless DC (direct current) motor for passenger car |
| CN102916547A (en) * | 2012-10-23 | 2013-02-06 | 浙江西子富沃德电机有限公司 | Permanent magnet synchronous motor for electric forklift |
| CN103552483A (en) * | 2013-11-15 | 2014-02-05 | 哈尔滨理工大学 | Electric automobile driving system based on cascaded motors and driving method of driving system |
| CN104118489A (en) * | 2014-08-14 | 2014-10-29 | 中煤科工集团重庆研究院有限公司 | Mining intrinsic safety robotic explorer based on eccentric wheel and leg type combination |
| CN104865981A (en) * | 2015-05-19 | 2015-08-26 | 杭州伯坦科技工程有限公司 | Combined type modularized motor and control method for same |
| CN106533102A (en) * | 2016-12-21 | 2017-03-22 | 哈尔滨工业大学 | Permanent-magnet induction hybrid modular cascaded motor system |
| CN107093941A (en) * | 2017-04-23 | 2017-08-25 | 河南师范大学 | Superimposed motor is formed or drive device |
| CN109217593A (en) * | 2018-08-27 | 2019-01-15 | 天津市潜成思源供水设备有限公司 | A kind of double string motors of immersible pump |
| CN110212692A (en) * | 2019-06-27 | 2019-09-06 | 常州一粟水下机器人科技有限公司 | A kind of brushless motor adjusting lock shaft structure with screw thread |
| CN111446799A (en) * | 2020-04-30 | 2020-07-24 | 陈雪芝 | Multiphase iron core feedback compensation pulse motor |
| CN114458760A (en) * | 2022-02-14 | 2022-05-10 | 博雷顿科技有限公司 | Two-gear transmission control system, gear shifting control method and pure electric engineering vehicle |
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| CN2703356Y (en) * | 2004-04-06 | 2005-06-01 | 王冬雷 | Multi-stator winding multirotor series type brushless DC electric machine |
| CN201274444Y (en) * | 2008-08-26 | 2009-07-15 | 陆中源 | Convenient combination motor |
| US20100187929A1 (en) * | 2009-01-28 | 2010-07-29 | Minebea Motor Manufacturing Corporation | Motor assembly with coaxial shafts |
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| CN2703356Y (en) * | 2004-04-06 | 2005-06-01 | 王冬雷 | Multi-stator winding multirotor series type brushless DC electric machine |
| CN201274444Y (en) * | 2008-08-26 | 2009-07-15 | 陆中源 | Convenient combination motor |
| US20100187929A1 (en) * | 2009-01-28 | 2010-07-29 | Minebea Motor Manufacturing Corporation | Motor assembly with coaxial shafts |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916547A (en) * | 2012-10-23 | 2013-02-06 | 浙江西子富沃德电机有限公司 | Permanent magnet synchronous motor for electric forklift |
| CN102916547B (en) * | 2012-10-23 | 2015-06-10 | 浙江西子富沃德电机有限公司 | Permanent magnet synchronous motor for electric forklift |
| CN102882313A (en) * | 2012-10-29 | 2013-01-16 | 罗寿元 | Special high/low-speed multi-motor clutch type combined brushless DC (direct current) motor for passenger car |
| CN103552483B (en) * | 2013-11-15 | 2015-09-16 | 哈尔滨理工大学 | Based on drive system and the driving method thereof of the electronlmobil of cascade machine |
| CN103552483A (en) * | 2013-11-15 | 2014-02-05 | 哈尔滨理工大学 | Electric automobile driving system based on cascaded motors and driving method of driving system |
| CN104118489A (en) * | 2014-08-14 | 2014-10-29 | 中煤科工集团重庆研究院有限公司 | Mining intrinsic safety robotic explorer based on eccentric wheel and leg type combination |
| CN104865981A (en) * | 2015-05-19 | 2015-08-26 | 杭州伯坦科技工程有限公司 | Combined type modularized motor and control method for same |
| CN106533102A (en) * | 2016-12-21 | 2017-03-22 | 哈尔滨工业大学 | Permanent-magnet induction hybrid modular cascaded motor system |
| CN106533102B (en) * | 2016-12-21 | 2019-04-05 | 哈尔滨工业大学 | The hybrid modularization of permanent magnet induction cascades electric system |
| CN107093941A (en) * | 2017-04-23 | 2017-08-25 | 河南师范大学 | Superimposed motor is formed or drive device |
| CN109217593A (en) * | 2018-08-27 | 2019-01-15 | 天津市潜成思源供水设备有限公司 | A kind of double string motors of immersible pump |
| CN110212692A (en) * | 2019-06-27 | 2019-09-06 | 常州一粟水下机器人科技有限公司 | A kind of brushless motor adjusting lock shaft structure with screw thread |
| CN111446799A (en) * | 2020-04-30 | 2020-07-24 | 陈雪芝 | Multiphase iron core feedback compensation pulse motor |
| CN111446799B (en) * | 2020-04-30 | 2021-07-09 | 苏州维格纳信息科技有限公司 | Multiphase iron core feedback compensation pulse motor |
| CN114458760A (en) * | 2022-02-14 | 2022-05-10 | 博雷顿科技有限公司 | Two-gear transmission control system, gear shifting control method and pure electric engineering vehicle |
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Application publication date: 20110817 |