CN206850547U - A kind of new-energy automobile wheel hub motor rotor punching - Google Patents
A kind of new-energy automobile wheel hub motor rotor punching Download PDFInfo
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- CN206850547U CN206850547U CN201720748253.6U CN201720748253U CN206850547U CN 206850547 U CN206850547 U CN 206850547U CN 201720748253 U CN201720748253 U CN 201720748253U CN 206850547 U CN206850547 U CN 206850547U
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- rotor punching
- wheel hub
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- energy automobile
- magnetic links
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Abstract
It the utility model is related to a kind of new-energy automobile wheel hub motor rotor punching, the at least two fixation slotted eyes for being used to improve rotor structure stability are evenly distributed on the ring surface of rotor punching, at least one dynamic balancing notch for being used to reduce and being vibrated in motor operation course with noise is uniformly offered on the outer circumference surface of rotor punching, the step to be extended internally on the inner ring surface of rotor punching, extended vertically on step be connected with it is at least one be used for improve output power of motor and the T-shaped magnetic links of efficiency, magnetic links notch is formed between the cross bar portion of T-shaped magnetic links and the inner ring surface of rotor punching, the setting corresponding with fixed slotted eye of T-shaped magnetic links.A kind of new-energy automobile wheel hub motor rotor punching of the present utility model, supported the use applied to new-energy automobile, the pole 75kW outer rotor hub motors of 380V 8 possess good runnability, reduce noise of motor and vibration, and can improve vehicle safety and transmission efficiency.
Description
Technical field
It the utility model is related to the technical field of wheel hub motor rotor punching production, especially a kind of new-energy automobile wheel hub
Motor rotor punching sheet, it is mainly used in compact type large power high-performance wheel hub motor.
Background technology
《National Program for Medium-to Long-term Scientific and Technological Development (2006-2020)》In, " low energy consumption and new energy vapour
Car " is put into one of preferential main body.Equally, exist《Energy-conservation and new-energy automobile industrial development planning (2012-2020)》And phase
In the ten big emphasis energy conservation projects answered, also Special attention will be given to " Developing Hybrid Vehicle Industry, gas combustion automobile, methanol and alcohol powered automobile, fuel
The cleaning vehicles such as battery car, electric automobile ".The environmental problems such as haze, arid are brought, seriously constrain national development.
The emerging strategic industry of new-energy automobile category country, development new-energy automobile are the weights of Domestic Automotive Industry transition
Great strategy demand.However, the aggravation of the commercial size and globalized competetion along with new-energy automobile, industry is for new energy
The power drive system of automobile, in the side such as high power density, light weight miniaturization, low cost, low energy consumption, high reliability, high uniformity
Face proposes a series of higher harsher technical requirements.Compared with common electric machine, it has obvious excellent permagnetic synchronous motor
Gesture：Compared with electric excitation synchronous motor, rotor is located at outside motor and uses rare-earth permanent magnet outer rotor hub motor, has body
Product is small, weight is small, and mechanical rotation efficiency high；Compared with phase asynchronous induction machine, electric property is higher, less energy damage
The advantages such as mistake.
The design considers several factors above, and requires rotor safety and stable rotation, it is proposed that a kind of new
Wheel hub motor rotor punching designs.While motor behavior in service is ensured, it is good that the invention can also make it that the motor has
Mechanical performance.
Utility model content
The technical problems to be solved in the utility model is：In order to overcome it is above-mentioned present in problem, there is provided a kind of new energy
Car wheel electromotor rotor punching, its design structure is reasonable, can possess operation stability, higher efficiency, relatively low cost,
Applied to transmission efficiency, reduction automobile production cost that automobile in new-energy automobile drive system, can be effectively improved etc..
Technical scheme is used by the utility model solves its technical problem：A kind of new-energy automobile wheel hub motor rotor
Punching, in compact type large power high-performance wheel hub motor, including the rotor punching in wheel hub motor, described turns
At least two fixation slotted eyes for being used to improve rotor structure stability, described rotor are evenly distributed on the ring surface of sub- punching
At least one dynamic balancing groove for being used to reduce and being vibrated in motor operation course with noise is uniformly offered on the outer circumference surface of punching
Mouthful, the step to extend internally on the inner ring surface of rotor punching extends vertically on step to be connected with and at least one is used to improve motor
The T-shaped magnetic links of power output and efficiency, magnet steel is formed between the cross bar portion of T-shaped magnetic links and the inner ring surface of rotor punching
Piece notch, the setting corresponding with fixed slotted eye of described T-shaped magnetic links, described dynamic balancing notch are located at two neighboring fixation
The centre position of slotted eye.
Further, the fixing groove hole position is in the centre position of rotor punching.
In order to prevent high-speed rotation from accident occur, rotor, described fixation are fixed with the use of thread
The quantity of slotted eye is 12, and the angle formed between the center of two neighboring fixed slotted eye and rotor punching is 30 °.
In order to reduce motor bearings load, motor service life is improved, the quantity of described dynamic balancing notch is six
Individual, the angle formed between the center of two neighboring dynamic balancing notch and rotor punching is 60 °.
Inwardly extended vertically on the inner ring surface of described rotor punching and be connected with 12 T-shaped magnetic links, T-shaped magnet steel
Piece uses N35UH magnetic links, using such magnet steel chip architecture, improves output power of motor and efficiency.
In order to strengthen electromechanics performance, high-temperature insulation fiber is filled with described magnetic links notch.
The beneficial effects of the utility model are a kind of new-energy automobile wheel hub motor rotor punching of the present utility model, to adopt
With the design of T-shaped magnetic links and magnetic links notch, output power of motor and efficiency can be effectively improved；Using fixed slotted eye
Design, with the use of thread fix rotor, effectively can prevent high-speed rotation from accident occur；Using dynamic
The design of notch is balanced, motor bearings load can be efficiently reduced, motor service life is improved, using the rotor of such a design
Punching, being supported the use applied to new-energy automobile, 380V-8 poles -75kW outer rotor hub motors possess good runnability,
Noise of motor and vibration are reduced, and vehicle safety and transmission efficiency can be improved.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the present utility model.
1. rotor punching in figure, 2. fix slotted eye, 3. dynamic balancing notches, 4. steps, 5.T font magnetic links, 6. magnetic links
Notch.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
A kind of new-energy automobile wheel hub motor rotor punching as shown in Figure 1, for compact type large power high-performance wheel hub
In motor, including the rotor punching 1 in wheel hub motor, 12 use are evenly distributed on the ring surface of rotor punching 1
In the fixation slotted eye 2 for improving rotor structure stability, fixed slotted eye 2 is located at the centre position of rotor punching 1, two neighboring fixation
The angle formed between the center of slotted eye 2 and rotor punching 1 is 30 °, and six are uniformly offered on the outer circumference surface of rotor punching 1
For reducing the dynamic balancing notch 3 of vibration and noise in motor operation course, two neighboring dynamic balancing notch 3 and rotor punching 1
Center between the angle that is formed be 60 °, a balance notch 3 coordinates two adjacent fixation slotted eyes 2 and is located at two fixations
Among slotted eye 2, the step 4 that is extended internally on the inner ring surface of rotor punching 1, extend vertically on step 4 and be connected with 12 and be used for
Output power of motor and the T-shaped magnetic links 5 of efficiency are improved, T-shaped magnetic links 5 use N35UH magnetic links, T-shaped magnetic links 5
Cross bar portion and rotor punching 1 inner ring surface between form magnetic links notch 6, in order to strengthen electromechanics performance, in magnetic links
High-temperature insulation fiber is filled with notch 6, T-shaped magnetic links 5 are located at the 2 corresponding setting of fixed slotted eye, dynamic balancing notch 3
The centre position of two neighboring fixed slotted eye 2.
A kind of new-energy automobile wheel hub motor rotor punching of the present utility model, the rotor punching of the design, first with
Biological intelligence algorithm, it is preliminary to optimize motor performance and structure using motor manufacturing cost and performance parameter as constraints；Secondly,
Double optimization and accounting are carried out using electromagnetic finite member simulation software, with accurate electric machine structure, the motor possesses：First, arc
Slot shape of rotor --- improve motor safety runnability；Second, rotor tooth --- improve harmonic wave in air gap so that air gap under operating mode
Waveform is similar to sinusoidal waveform；3rd, dynamic balancing notch --- the vibration occurred in motor operation course and noise are reduced, is being set
During meter, by the electromagnetic simulation softwares such as AnsoftMaxwell and actual processing, the feasibility and effectively of the program is demonstrated
Property.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to new technical scope on specification, it is necessary to which its technology is determined according to right
Property scope.
Claims (6)
1. a kind of new-energy automobile wheel hub motor rotor punching, in compact type large power high-performance wheel hub motor, its feature
It is：Including the rotor punching (1) in wheel hub motor, it is evenly distributed on the ring surface of described rotor punching (1)
At least two are used to improving the fixation slotted eye (2) of rotor structure stability, uniform on the outer circumference surface of described rotor punching (1)
Offer at least one dynamic balancing notch (3) for being used to reduce in motor operation course vibration and noise, rotor punching (1) it is interior
The step (4) to be extended internally on anchor ring, extend vertically on step (4) be connected with it is at least one be used to improving output power of motor and
The T-shaped magnetic links (5) of efficiency, magnet steel is formed between the cross bar portion of T-shaped magnetic links (5) and the inner ring surface of rotor punching (1)
Piece notch (6), the setting corresponding with fixed slotted eye (2) of described T-shaped magnetic links (5), described dynamic balancing notch (3) are located at
The centre position of two neighboring fixed slotted eye (2).
2. a kind of new-energy automobile wheel hub motor rotor punching according to claim 1, it is characterized in that：The fixed slotted eye
(2) it is located at the centre position of rotor punching (1).
3. a kind of new-energy automobile wheel hub motor rotor punching according to claim 1, it is characterized in that：Described fixing groove
The quantity in hole (2) is 12, and the angle formed between two neighboring fixed slotted eye (2) and the center of rotor punching (1) is
30°。
4. a kind of new-energy automobile wheel hub motor rotor punching according to claim 1, it is characterized in that：Described dynamic balancing
The quantity of notch (3) is six, and the angle formed between two neighboring dynamic balancing notch (3) and the center of rotor punching (1) is
60°。
5. a kind of new-energy automobile wheel hub motor rotor punching according to claim 1, it is characterized in that：Described rotor punching
Inwardly extended vertically on the inner ring surface of piece (1) and be connected with 12 T-shaped magnetic links (5), T-shaped magnetic links (5) use N35UH
Magnetic links.
6. a kind of new-energy automobile wheel hub motor rotor punching according to claim 1, it is characterized in that：Described magnetic links
High-temperature insulation fiber is filled with notch (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720748253.6U CN206850547U (en) | 2017-06-23 | 2017-06-23 | A kind of new-energy automobile wheel hub motor rotor punching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720748253.6U CN206850547U (en) | 2017-06-23 | 2017-06-23 | A kind of new-energy automobile wheel hub motor rotor punching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206850547U true CN206850547U (en) | 2018-01-05 |
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ID=60802384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720748253.6U Active CN206850547U (en) | 2017-06-23 | 2017-06-23 | A kind of new-energy automobile wheel hub motor rotor punching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206850547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070032A (en) * | 2017-06-23 | 2017-08-18 | 江苏航天动力机电有限公司 | New-energy automobile wheel hub motor rotor punching |
-
2017
- 2017-06-23 CN CN201720748253.6U patent/CN206850547U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070032A (en) * | 2017-06-23 | 2017-08-18 | 江苏航天动力机电有限公司 | New-energy automobile wheel hub motor rotor punching |
| WO2018233214A1 (en) * | 2017-06-23 | 2018-12-27 | 江苏航天动力机电有限公司 | Rotor punching sheet for new energy automobile hub motor |
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