CN209120024U - A kind of new-energy automobile spcific power motor - Google Patents
A kind of new-energy automobile spcific power motor Download PDFInfo
- Publication number
- CN209120024U CN209120024U CN201821753998.2U CN201821753998U CN209120024U CN 209120024 U CN209120024 U CN 209120024U CN 201821753998 U CN201821753998 U CN 201821753998U CN 209120024 U CN209120024 U CN 209120024U
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- permanent magnet
- rotor
- stator
- motor
- rotor core
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Abstract
The utility model relates to a kind of new-energy automobile spcific power motors, including stator assembly and rotor assembly, the stator module includes stator and stator coil, the rotor assembly includes armature spindle, rotor core and permanent magnet, the rotor core is equipped with notch, the permanent magnet is fixed in the notch, and the permanent magnet is Nd-Fe-B permanent magnet.The rotor core of the power motor is equipped with permanent magnet, the permanent magnet uses the Nd-Fe-B permanent magnet of high magnetic characteristics, after being embedded in permanent-magnet material in rotor core, rotor and stator field are run simultaneously in normal work, and rotor windings are without induced current, there is no rotor resistances and magnetic hystersis loss, due to current excitation non-inductive in rotor, resistive load is presented in stator winding, and the power factor of motor is bordering on 1, stator current is reduced, the efficiency of motor is improved；Starting torque is big, and the direct current generator and asynchronous machine serial motors of larger capacity can be substituted with the permanent magnet synchronous motor compared with low capacity.
Description
Technical field
The utility model relates to technical field of motors more particularly to a kind of new-energy automobile spcific power motors.
Background technique
With the worsening shortages of resource and getting worse for problem of environmental pollution, energy-saving and environment-friendly idea deepens continuously, and passes
System gasoline car cannot adapt to the development of society again, and electric car has its superior energy-saving ring as a kind of new-energy automobile
Guaranteed cost.Due to outstanding advantage of the electric car in terms of energy-saving and environmental protection, so that the research and extension of electric car becomes in recent years
Carry out the hot spot of automobile industry.As engine is diesel engine/gasoline engine " heart ", motor is also the power institute of new energy vehicle
?.Relatively common power motor has direct current generator and asynchronous machine, and the power efficiency of itself is low and power factor is low, fever
Greatly, volume is big, and noise is big.
Utility model content
The purpose of this utility model is to provide a kind of high-efficient, small in size, light-weight new-energy automobile spcific powers
Motor.
Technical solution provided by the utility model are as follows: a kind of new-energy automobile spcific power motor, including stator module and
Rotor assembly, the stator module include stator and stator coil, and the rotor assembly includes armature spindle, rotor core and permanent magnetism
Body, the rotor core are equipped with notch, and the permanent magnet is fixed in the notch, and the permanent magnet is Nd-Fe-B permanent magnetic
Body.
Wherein, the permanent magnet quantity is four, is in crossing distribution.
Wherein, the end face of the rotor core is equipped with rotor fan.
The utility model has the following beneficial effects: the new-energy automobile spcific power motor belongs to permanent magnet synchronous motor, packet
It includes stator assembly and rotor assembly, the rotor core of the rotor assembly is equipped with permanent magnet, and the permanent magnet is using high magnetic
The Nd-Fe-B permanent magnet of energy, after being embedded in permanent-magnet material in rotor core, rotor is synchronous with stator field in normal work is transported
Without induced current rotor resistance and magnetic hystersis loss is not present, due to current excitation non-inductive in rotor, stator in row, rotor windings
Resistive load is presented in winding, and the power factor of motor is bordering on 1, reduces stator current, improves the efficiency of motor；Starting torque
Greatly, the direct current generator and asynchronous machine serial motors of larger capacity can be substituted with the permanent magnet synchronous motor compared with low capacity.Power energy
Index is good, and efficiency and the power factor decline of motor are little when working under a load.Small in size, light-weight, consumptive material is few, same to capacity
Permanent magnet synchronous motor volume, weight, material therefor can reduce 30% or so, the range of speeds is greater than 16000rpm, assembling side
Just, easy to spread.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of new-energy automobile spcific power motor described in the utility model.
Wherein, 1, stator module；11, stator；12, stator coil；2, rotor assembly；21, armature spindle；22, rotor core；
23, permanent magnet.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As the embodiment of new-energy automobile spcific power motor described in the utility model, as shown in Figure 1, including stator pack
Part 1 and rotor assembly 2, the stator module 1 include stator 11 and stator coil 12, the rotor assembly 2 include armature spindle 21,
Rotor core 22 and permanent magnet 23, the rotor core 22 are equipped with notch, and the permanent magnet 23 is fixed in the notch, institute
Stating permanent magnet 23 is Nd-Fe-B permanent magnet.
In the present embodiment, 23 quantity of permanent magnet is four, is in crossing distribution.Cross sectional shape is rectangle, long
Width is than being 1:1.5~1:1.8.
In the present embodiment, the end face of the rotor core 22 is equipped with rotor fan.Because the fever of motor is small, electric
The cooling system structure of machine is simple, small in size, noise is small.
The new-energy automobile spcific power motor belongs to permanent magnet synchronous motor, the rotor core 22 of the rotor assembly 2
It is equipped with permanent magnet 23, the permanent magnet 23 is embedded in permanent magnetism in rotor core 22 using the Nd-Fe-B permanent magnet of high magnetic characteristics
After material, rotor and stator field are run simultaneously in normal work, rotor windings without induced current, there is no rotor resistance and
Magnetic hystersis loss, due to current excitation non-inductive in rotor, resistive load is presented in stator winding, and the power factor of motor is bordering on 1, subtracts
Small stator current, improves the efficiency of motor；Starting torque is big, can be substituted with the permanent magnet synchronous motor compared with low capacity larger
The direct current generator and asynchronous machine serial motors of capacity.Energy index is good, when working under a load the efficiency of motor and power because
Number decline is little.Small in size, light-weight, consumptive material is few, and the permanent magnet synchronous motor volume, weight, material therefor with capacity can subtract
Small by 30% or so, the range of speeds is greater than 16000rpm, easy to assembly, easy to spread.
The power motor further includes electric machine casing 3, and electric machine casing 3 is equipped with terminal box, using full-closed structure, no biography
Movable tooth foot wheel abrasion, without transmission gear noise, exempt from lubricating oil, non-maintaining.The overload current of permission is big, and reliability significantly improves, whole
A transmission system is light-weight, and the power of Unit Weight is big, motor can be integrally mounted on wheel shaft, forms whole straight drive and is
System, i.e. a wheel shaft is exactly a driving unit, eliminates a gear-box.
Magnetic shield 24 is additionally provided between the armature spindle 21 and rotor core 22.Usually rotor core is directly sleeved on
On armature spindle, the magnetic field of rotor rear of core can enter armature spindle in motor work, to can cause inside armature spindle larger
Eddy-current loss and shaft current, not only will increase the loss of electric machine in this way, and shaft current can generate damage to bearing.Magnetic shield 24
Using copper sheathing, magnetism isolating effect is good.
For power motor described in the utility model compared with other kinds of motor, great advantage is exactly in phase homogenous quantities
Under volume, maximum power output and acceleration can be provided for new-energy automobile, improved efficiency, specific power is big, structure is simple
List, energy-saving effect are significant.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (3)
1. a kind of new-energy automobile spcific power motor, which is characterized in that including stator assembly and rotor assembly, the stator pack
Part includes stator and stator coil, and the rotor assembly includes armature spindle, rotor core and permanent magnet, is set in the rotor core
Jagged, the permanent magnet is fixed in the notch, and the permanent magnet is Nd-Fe-B permanent magnet.
2. new-energy automobile spcific power motor according to claim 1, which is characterized in that the permanent magnet quantity is four
It is a, it is in crossing distribution.
3. new-energy automobile spcific power motor according to claim 2, which is characterized in that the end face of the rotor core
Equipped with rotor fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821753998.2U CN209120024U (en) | 2018-10-26 | 2018-10-26 | A kind of new-energy automobile spcific power motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821753998.2U CN209120024U (en) | 2018-10-26 | 2018-10-26 | A kind of new-energy automobile spcific power motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209120024U true CN209120024U (en) | 2019-07-16 |
Family
ID=67202597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821753998.2U Active CN209120024U (en) | 2018-10-26 | 2018-10-26 | A kind of new-energy automobile spcific power motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209120024U (en) |
-
2018
- 2018-10-26 CN CN201821753998.2U patent/CN209120024U/en active Active
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