CN101834504A - Disc permanent-magnet synchronous multi-combination power DC motor group - Google Patents
Disc permanent-magnet synchronous multi-combination power DC motor group Download PDFInfo
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- CN101834504A CN101834504A CN 201010175933 CN201010175933A CN101834504A CN 101834504 A CN101834504 A CN 101834504A CN 201010175933 CN201010175933 CN 201010175933 CN 201010175933 A CN201010175933 A CN 201010175933A CN 101834504 A CN101834504 A CN 101834504A
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Abstract
The invention discloses a disc permanent-magnet synchronous multi-combination power DC motor group, which comprises a motor casing. A main power shaft is arranged in the motor casing, at least two groups of motors are arranged in the motor casing, rotors of one group of motors are fixedly connected with the main power shaft, and rotors of the rest groups of motors are connected with the main power shaft through a clutch. When the disc permanent-magnet synchronous multi-combination power DC motor group is used on an electric motorcar and the electric motorcar is started, all motor rotors of the DC motor group are all connected with the main power shaft, thereby driving the electric motorcar to be quickly started, shortening start speed-raising time of the electric motorcar, shortening discharge time of raising high-current speed, and reducing electric power consumption. When the electric motorcar reaches a certain speed, the electric motorcar can automatically shut off one group or two groups of motors, the rotors of the motors are disconnected with the main power shaft so that the power and the energy of the motors are exerted more reasonably, and each group of motors are ensured to work in the working state of the maximum efficiency point.
Description
Technical field
The present invention relates to a kind of direct current machine, particularly a kind of disc permanent-magnet synchronous multi-combination power DC motor unit.
Background technology
The operation principle of present traditional pillar motor exists following shortcoming to solve:
1) traditional pillar direct current heavy-duty motor is 10 kilowatts very big with upper volume, needing on the city bus with power more than 60-120 kilowatt as using, at first its volume can't guarantee on bus, needs to do very big adjustment on design and structure, and makes the cost of car load improve greatly.Press on the bus and to use 60 kilowatts of direct current machines, if when starting with 300 volts voltage, then need the 1000 big electric currents of pacifying to start.If can not guarantee 300 volt of 1000 above starting current of peace, will make the speed-raising time lengthening of car load, cause long-time big electric current to discharge storage battery, because of being subjected to the capacity limit of storage battery, the mileages of continuation of car load is shortened.5 kilowatts of pillar motor speed per hours are that 80 kilometers starting currents are 100 peaces in the market, and the high-ball electric current is 70 peaces, and is not optimum state.
2) long-time heavy-current discharge can cause damage to storage battery, is shortened the useful life of storage battery, and cause operating cost to increase.
3) efficient of traditional pillar motor own is low, so must increase by power, causes its volume increase, Heavy Weight, and the cost of raw material improves greatly, and the relative cost cost increases.
Summary of the invention
At above-mentioned the deficiencies in the prior art, the technical problem to be solved in the present invention provides the disc permanent-magnet synchronous multi-combination power DC motor unit of little, the many combination of a kind of volume, high-power, big torque, low energy consumption.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of disc permanent-magnet synchronous multi-combination power DC motor unit, comprise casing, be provided with a main power shaft in the described casing, also be provided with at least two group motors in the described casing, wherein the rotor of one group of motor is fixedlyed connected with described main power shaft, and the rotor of all the other group motors is connected by clutch with described main power shaft.
Preferably, the iron core of the stator of described motor for adopt the silicon steel thin slice from inside to outside the tube rolling around the dish formula iron core that forms, be embedded with the Hall element of winding coil and detection rotor sensed position in the lateral groove of described dish formula iron core, the rotor of described motor is formed by the stainless steel casting, the internal face of described rotor is embedded with the magnetic conduction steel disc, the surface of described magnetic conduction steel disc around and be pasted with some magnet steel permanent magnets uniformly, described magnetic conduction steel disc is connected with described main power shaft.
Preferably, the angle of the lateral groove of described dish formula iron core is that 0 degree is to 120 degree.
Preferably, the lateral groove of described dish formula iron core is the V-type skewed slot, and the angle of inclination is the 0-30 degree.
Preferably, described set magnet permanent body is a dish formula V-type set magnet permanent body.
Preferably, the surface of described magnetic conduction steel disc around and be pasted with 20-80 piece set magnet permanent body uniformly.
Preferably, the material of described set magnet permanent body is a rare earth rubidium iron B permanent magnetic material.
Preferably, the motor number of pole-pairs of described motor is that 10-40 is right.
Preferably, described motor adopts non-uniform gap.
Preferably, described winding coil is that unit is wrapped on the described dish formula iron core with three line enamelled wires.
Technique scheme has following beneficial effect: when this disc permanent-magnet synchronous multi-combination power DC motor unit is used for using in the electric motor car, when electric motor car starts, all rotors in this direct current drive unit all are connected with main power shaft, thereby driving electric motor car starts fast, it is fast to make the electric motor car car load start the speed-raising time, shortened the discharge time of big electric current speed-raising, reduced power consumption, when electric motor car reaches certain speed, can close one group to two groups motor automatically, and the rotor of these motors and main power shaft thrown off, make the power of motor and energy obtain more reasonable performance, guarantee that each group machine operation is on the operating state of best efficiency point.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the schematic appearance of motor of the present invention.
Fig. 2 is the generalized section of motor of the present invention among Fig. 1.
Fig. 3 looks exploded perspective view for the left side of motor of the present invention among Fig. 2.
Fig. 4 looks exploded perspective view for the right side of motor of the present invention among Fig. 2.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described in detail.
Shown in Fig. 1,2,3,4, this disc permanent-magnet synchronous multi-combination power DC motor unit 11 comprises casing, casing is made up of lower casing 3 and upper casing 5, lower casing 3 and upper casing 5 are provided with fixed screw 4, lower casing 3 is provided with base 1, also be provided with synchronous multi-combination power motor stator fixed screw 6 on the casing 3,5 and play fixation, also be provided with 14,17 insulating effects of insulating material simultaneously, terminal box 9 is provided with power line, and whole motor is fixing by the fixed screw on the base 12.The motor number of pole-pairs of these three motors is that 10-40 is right, adopts non-uniform gap.Certainly motor number herein can increase or reduce as required, but will have two at least, and motor generally adopts the brushless, permanently synchronous machine.
Be provided with a main power shaft 7 in the casing, 15,25 on bearing on the main power shaft 7 supports and gearing is provided with three groups of motors in the one or both sides of main power shaft 7, first group of motor comprises rotor 30 and stator 26, second group of motor comprises rotor 34 and stator 31, the 3rd group of motor comprises rotor 38 and stator 35, and rotor hold- down nut 19,21,24 plays fixed rotor 30,34,38 respectively.
The stator 26,31,35 of motor is made up of stator pack magnetic support 45,48,51 iron cores 43,46,49 and 44,47,50 of winding coils being wrapped on unshakable in one's determination 43,46,49 respectively.The dish formula iron core that the iron core 43,46,49 of stator 26,31,35 is, this dish formula iron core employing silicon steel thin slice tube rolling from inside to outside is embedded with the Hall element of winding coil 44,47,50 and detection rotor sensed position respectively around forming in the lateral groove of iron core 43,46,49.The angle of the lateral groove of dish formula iron core be 0 the degree to 120 the degree, this lateral groove is the V-type skewed slot, the angle of inclination is the 0-30 degree.Lateral groove winding coil 44,47,50 is that unit is wrapped on the corresponding dish formula iron core with three line enamelled wires respectively.
This disc permanent-magnet synchronous multi-combination power DC motor unit adopts a plurality of motors to be connected with main power shaft, volume that can effective less heavy-duty motor.As the dish formula motor that adopts three every group of 20-25 kilowatts is output to the power of 60 kilowatts of main power shafts, but its volume only be equivalent to 60 kilowatts of traditional pillar motors 1/3rd less than.
Usually, be applicable to that the motor external characteristic of using on the motor vehicle is: below rated speed Nmr, with permanent torque mode work, more than rated speed, with permanent power mode work.The parameter of corresponding motor is selected to comprise: motor rated power Pmr, motor maximum power Pmmax, motor rated speed Nmr and motor maximum (top) speed Nmmax.Start as three motor car loads and to be: 300 volts of 20 kilowatts * 3=60 kilowatt, voltage, every group 84 peace * 3=252 of starting current pacifies, be traditional pillar motor car load starting current 50% less than.
The electric motor car capable of fast starting of this disc permanent-magnet synchronous multi-combination power DC motor unit of employing is arranged again, shortened the discharge time of big electric current speed-raising.Particularly when reaching certain speed, can close one group to two groups motor automatically, make the power of motor and energy obtain more reasonable performance, each group motor is guaranteed on the operating state of best efficiency point by clutch.As three groups of motors when the best efficiency point operating state is travelled, the use electric current of its motor is 50 peace * 3=150 peaces, and have only 50 amp-100 peaces closing one group or electric current when closing two groups, this is that traditional pillar motor is beyond one's reach, and the currents combination power motors of pacifying because of same use 50 amp-100 are two times to three times of traditional pillar powers of motor.This disc permanent-magnet synchronous multi-combination power DC motor unit is higher than two times in traditional pillar motor in startup and speed-raising, the current discharge amount of motor is maximum when car load starts and raise speed especially, so the electric current of this disc permanent-magnet synchronous multi-combination power DC motor unit when starting speed-raising is energy-conservation also to be two times of traditional pillar motor.
Have, this disc permanent-magnet synchronous multi-combination power DC motor unit is mainly selected the brushless, permanently synchronous machine for use again, and this motor does not have excitatory copper loss, efficient is higher, the power factor height, and volume is little, power density is big, and frequency control is the basic mode of speed regulation of brushless, permanently synchronous machine.Adopt high-tech DC disc type electric machine controller to match simultaneously, adopt the information gathering mode of high-tech high-speed electronic calculator chip to handle, assembly power dish formula direct current machine is brought into play to optimum Working.
More than a kind of warm water recirculated water bathing gasifier that the embodiment of the invention provided is described in detail; for one of ordinary skill in the art; thought according to the embodiment of the invention; part in specific embodiments and applications all can change; in sum; this description should not be construed as limitation of the present invention, and all any changes of making according to design philosophy of the present invention are all within protection scope of the present invention.
Claims (10)
1. disc permanent-magnet synchronous multi-combination power DC motor unit, comprise casing, be provided with a main power shaft in the described casing, it is characterized in that: also be provided with at least two group motors in the described casing, wherein the rotor of one group of motor is fixedlyed connected with described main power shaft, and the rotor of all the other group motors is connected by clutch with described main power shaft.
2. disc permanent-magnet synchronous multi-combination power DC motor unit according to claim 1, it is characterized in that: the iron core of the stator of described motor for adopt the silicon steel thin slice from inside to outside the tube rolling around the dish formula iron core that forms, be embedded with the Hall element of winding coil and detection rotor sensed position in the lateral groove of described dish formula iron core, the rotor of described motor is formed by the stainless steel casting, the internal face of described rotor is embedded with the magnetic conduction steel disc, the surface of described magnetic conduction steel disc around and be pasted with some magnet steel permanent magnets uniformly, described magnetic conduction steel disc is connected with described main power shaft.
3. disc permanent-magnet synchronous multi-combination power DC motor unit according to claim 2 is characterized in that: the angle of the lateral groove of described dish formula iron core is that 0 degree is to 120 degree.
4. disc permanent-magnet synchronous multi-combination power DC motor unit according to claim 2 is characterized in that: the lateral groove of described dish formula iron core is the V-type skewed slot, and the angle of inclination is the 0-30 degree.
5. disc permanent-magnet synchronous multi-combination power DC motor unit according to claim 2 is characterized in that: described set magnet permanent body is a dish formula V-type set magnet permanent body.
6. disc permanent-magnet synchronous multi-combination power DC motor unit according to claim 2 is characterized in that: the surface of described magnetic conduction steel disc around and be pasted with 20-80 piece set magnet permanent body uniformly.
7. disc permanent-magnet synchronous multi-combination power DC motor unit according to claim 2 is characterized in that: the material of described set magnet permanent body is a rare earth rubidium iron B permanent magnetic material.
8. disc permanent-magnet synchronous multi-combination power DC motor unit according to claim 2 is characterized in that: the motor number of pole-pairs of described motor is that 10-40 is right.
9. disc permanent-magnet synchronous multi-combination power DC motor unit according to claim 2 is characterized in that: described motor adopts non-uniform gap.
10. disc permanent-magnet synchronous multi-combination power DC motor unit according to claim 2 is characterized in that: described winding coil is that unit is wrapped on the described dish formula iron core with three line enamelled wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010175933 CN101834504A (en) | 2010-05-19 | 2010-05-19 | Disc permanent-magnet synchronous multi-combination power DC motor group |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010175933 CN101834504A (en) | 2010-05-19 | 2010-05-19 | Disc permanent-magnet synchronous multi-combination power DC motor group |
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| CN101834504A true CN101834504A (en) | 2010-09-15 |
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| CN 201010175933 Pending CN101834504A (en) | 2010-05-19 | 2010-05-19 | Disc permanent-magnet synchronous multi-combination power DC motor group |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011143886A1 (en) * | 2010-05-19 | 2011-11-24 | 苏州博尊科技有限公司 | Disk type permanent magnetic synchronizing direct current motor set with multi-combination power |
| CN102931788A (en) * | 2011-12-16 | 2013-02-13 | 沈坤元 | Disc compound multi-combination three-dimensional permanent magnet motor |
| EP3002857A3 (en) * | 2014-10-01 | 2016-04-13 | Liebherr-Aerospace Lindenberg GmbH | Redundant modular tilt angle motor |
| CN107420321A (en) * | 2017-06-30 | 2017-12-01 | 华中科技大学 | A kind of Permanent magnet axial flux frequency conversion fan |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1195745A (en) * | 1997-03-31 | 1998-10-14 | 株式会社美姿把 | Rotator of magneto-generator |
| CN2459812Y (en) * | 2000-12-31 | 2001-11-14 | 江门机床厂有限公司 | Direct driving type motor for washing machine |
| CN101572471A (en) * | 2009-05-21 | 2009-11-04 | 苏州博尊科技有限公司 | High power DC disc type brushless gearless motor |
| CN101572463A (en) * | 2009-05-21 | 2009-11-04 | 苏州博尊科技有限公司 | Combined driving force motor |
| CN201717724U (en) * | 2010-05-19 | 2011-01-19 | 苏州博尊科技有限公司 | Disc type permanent-magnetism synchronous direct-current motor group with multiple combined power |
-
2010
- 2010-05-19 CN CN 201010175933 patent/CN101834504A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1195745A (en) * | 1997-03-31 | 1998-10-14 | 株式会社美姿把 | Rotator of magneto-generator |
| CN2459812Y (en) * | 2000-12-31 | 2001-11-14 | 江门机床厂有限公司 | Direct driving type motor for washing machine |
| CN101572471A (en) * | 2009-05-21 | 2009-11-04 | 苏州博尊科技有限公司 | High power DC disc type brushless gearless motor |
| CN101572463A (en) * | 2009-05-21 | 2009-11-04 | 苏州博尊科技有限公司 | Combined driving force motor |
| CN201717724U (en) * | 2010-05-19 | 2011-01-19 | 苏州博尊科技有限公司 | Disc type permanent-magnetism synchronous direct-current motor group with multiple combined power |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011143886A1 (en) * | 2010-05-19 | 2011-11-24 | 苏州博尊科技有限公司 | Disk type permanent magnetic synchronizing direct current motor set with multi-combination power |
| CN102931788A (en) * | 2011-12-16 | 2013-02-13 | 沈坤元 | Disc compound multi-combination three-dimensional permanent magnet motor |
| EP3002857A3 (en) * | 2014-10-01 | 2016-04-13 | Liebherr-Aerospace Lindenberg GmbH | Redundant modular tilt angle motor |
| CN107420321A (en) * | 2017-06-30 | 2017-12-01 | 华中科技大学 | A kind of Permanent magnet axial flux frequency conversion fan |
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Open date: 20100915 |