CN208285178U - A kind of motor - Google Patents
A kind of motor Download PDFInfo
- Publication number
- CN208285178U CN208285178U CN201821039036.0U CN201821039036U CN208285178U CN 208285178 U CN208285178 U CN 208285178U CN 201821039036 U CN201821039036 U CN 201821039036U CN 208285178 U CN208285178 U CN 208285178U
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- motor
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- 238000004804 winding Methods 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000005405 multipole Effects 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model provides a kind of motor, and the motor includes: shaft (1)；Two sets or more of rotor, rotor described in every set include a stator and a rotor, and two sets the above rotors are radially successively distributed from the spindle central, and there are at least two different numbers of pole-pairs in two sets or more of the rotor.Enabling to motor by the utility model can be multipole logarithm product, every set rotor can be designed to the individual motor of different numbers of pole-pairs according to different stalls revolving speed, it can reduce revolutional slip, higher operational efficiency, power consumption are small so that each rotor all has, temperature rise is low, electrical machinery life is long；Each shelves torque is big, motor can normally start；Low grade can also accomplish that low revolutional slip, high torque (HT), low noise promote product competitiveness.
Description
Technical field
The utility model belongs to technical field of motors, and in particular to a kind of motor.
Background technique
Existing conventional motors there is usually one stator, a rotor, motor in design its performance mainly for height
Shelves design has following not foot point when high-grade big with other low and middle-grade revolving speed slips:
1, low and middle-grade position revolving speeds are lower, and operational efficiency is lower, do not meet country and advocate energy saving policy；
2, low-grade loss is big, and temperature increases, and influences motor service life；
3, low gear torque is small, or even can not start, and influences product using effect；
4, low-grade revolving speed is lower, and revolutional slip is bigger, and noise is poorer, and end product all (is such as slept to low noise at present
Shelves are also very stringent to noise requirements such as the low-down gear of revolving speed) direction develops, it is unable to satisfy the market demand；
5, in the case that high-grade revolving speed is high, but low grade requires slow-speed of revolution high torque (HT) again (such as electric motor of automobile), existing product is very
Difficulty is met the requirements.
Since motor in the prior art is there are low and middle-grade position operational efficiency are lower, low gear torque is small, can not even start,
The technical problems such as poor, the temperature rise height of low-grade noise, therefore the utility model researching and designing goes out a kind of motor.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome motor in the prior art, there are low and middle-grade positions to transport
Line efficiency is lower, and low gear torque is small, can not even start, and low-grade noise is poor, the raised defect of temperature, to provide a kind of motor.
The utility model provides a kind of motor comprising:
Shaft；
Two sets or more of rotor, rotor described in every set include a stator and a rotor, two sets it is described above calmly
Rotor is radially successively distributed from the spindle central, and there are at least two in two sets or more of the rotor
Different numbers of pole-pairs.
Preferably,
Radially outward direction from the shaft, the number of pole-pairs of two sets or more of rotor incrementally increases.
Preferably,
The rotor is two sets, including being located at the first rotor of radially inner side and turning calmly positioned at the second of radial outside
Son, first rotor include the first rotor and the first stator, and the first rotor is connected in the shaft and can drive
The shaft rotates together；Second rotor includes the second rotor and the second stator, and second rotor is also connected to institute
It states in shaft and also the shaft can be driven to rotate together.
Preferably,
The first rotor is located at the first stator radially inner side, and it is radial that second rotor is located at second stator
Inside；Alternatively, the first rotor is located at the first stator radial outside, second rotor is located at the second stator diameter
Inwardly；Alternatively, the first rotor is located at the first stator radially inner side, second rotor is located at second stator
Radial outside；Alternatively, the first rotor is located at the first stator radial outside, it is fixed that second rotor is located at described second
Sub- radial outside.
Preferably,
It is also arranged with the first winding on first stator, is also arranged with the second winding on second stator.
Preferably,
It further include casing, first stator is fixed on the casing, and second stator also is secured to the casing
On.
Preferably,
Second stator is fixedly connected on the internal perisporium of the casing, is prolonged on the housing along shaft axial direction
It is additionally provided with extension with stretching, first stator is fixedly connected on the internal perisporium of the extension.
Preferably,
Being provided on the internal perisporium of the extension can be corresponding with axial one end of first stator and can be into
First chuck of row engaging limit；And/or it is additionally provided with the first buckle at the axial other end of first stator, described prolongs
Be additionally provided on the internal perisporium of extending portion can it is corresponding with first buckle and with it is described first buckle be engaged by clamping first
Card slot；
And/or be additionally provided on the internal perisporium of the casing can it is corresponding with axial one end of second stator and
It is able to carry out the second chuck of engaging limit；And/or be additionally provided at the axial other end of second stator the second buckle,
Being additionally provided on the internal perisporium of the casing can be corresponding with second buckle and with the second buckle clamping engagement
Second card slot.
Preferably,
It further include first bearing, the first bearing is set between the shaft and the casing, so that the shaft
It is supported on the casing by the first bearing.
Preferably,
Axial one end of the casing is additionally provided with end cap, and the end cap can be fastened and connected with the casing, and
It is additionally provided with bearing hole on the end cap, second bearing can allow for be arranged, the second bearing is connected to the shaft and institute
It states between end cap.
A kind of motor provided by the utility model has the following beneficial effects:
The utility model passes through two sets or more of rotor, and different there are at least two in two sets or more of rotor
Number of pole-pairs, enabling to motor can be multipole logarithm product, every set rotor can be designed to difference according to different stalls revolving speed
The individual motor of number of pole-pairs, can reduce revolutional slip, so as to all have higher operational efficiency, power consumption small, warm for each rotor
Liter is low, electrical machinery life is long；Each shelves torque is big, motor can normally start；Low grade can also accomplish low revolutional slip, high torque (HT), low noise,
Promote product competitiveness；Efficiently solving existing conventional motors is certain single number of pole-pairs, and low and middle-grade position operational efficiency are lower, low
The technical issues of the problems such as shelves torque is small, can not even start, and low-grade noise is poor, temperature increases.
Detailed description of the invention
Fig. 1 is 1/4 schematic cross-sectional view of the motor in shaft axle stretch end of the utility model；
Fig. 2 is 1/4 schematic cross-sectional view of the motor in shaft non-shaft stretching end of the utility model；
Fig. 3 is the complete section sectional structure chart of the motor of the utility model.
Appended drawing reference indicates in figure are as follows:
1, shaft；2, the first rotor；21, the first rotor；22, the first stator；23, the first winding；3, the second rotor；
31, the second rotor；32, the second stator；33, the second winding；4, casing；41, extension；51, the first chuck；52, the first buckle；
53, the first card slot；61, the second chuck；62, the second buckle；63, the second card slot；71, first bearing；72, second bearing；8, it holds
Lid；9, snap ring.
Specific embodiment
As shown in Figure 1-3, the utility model provides a kind of motor comprising:
Shaft 1；
Two sets or more of rotor, rotor described in every set include a stator and a rotor, two sets it is described above calmly
Rotor is radially successively distributed from the spindle central, and there are at least two in two sets or more of the rotor
Different numbers of pole-pairs.
The utility model passes through two sets or more of rotor, and different there are at least two in two sets or more of rotor
Number of pole-pairs, enabling to motor can be multipole logarithm product, every set rotor can be designed to difference according to different stalls revolving speed
The individual motor of number of pole-pairs, so that each rotor all has, higher operational efficiency, power consumption are small, temperature rise is low, electrical machinery life is long；
Each shelves torque is big, motor can normally start；Low grade can also accomplish that low revolutional slip, high torque (HT), low noise promote product competitiveness；
Efficiently solving existing conventional motors is certain single number of pole-pairs, and low and middle-grade position operational efficiency are lower, low gear torque is small, even without
The technical issues of the problems such as method starting, low-grade noise is poor, temperature increases.
Motor provided by the utility model has multiple stators and multiple rotors, and each stator and rotor are past centered on shaft
Radial to be distributed at ◎ shape, the motors of a variety of numbers of pole-pairs unification bodies can be designed according to each gear speed conditions, and (each fixed/rotor number of poles is set
Count it is not all the same, than if any 2 poles/4 pole/6 extremely etc.), it is corresponding fixed that motor operation course is connected according to terminal control gear stages
Son, so that gear operates under its revolving speed number of pole-pairs state nearest from synchronous rotational speed, (for example revolving speed can be designed when being 650r
Operate in 8 pole rotors composition motor under, revolutional slip ratio is operated under 6 poles or 4 pole motors and is much smaller at this time, torque with turn
The characteristic of speed is more preferable), so that each shelves operational efficiency with higher, power consumption is small, temperature rise is low, electrical machinery life is long；Each shelves torque
Greatly, motor can normally start；Low grade can also accomplish high torque (HT), and low noise promotes product competitiveness.
Preferably,
Radially outward direction from the shaft 1, the number of pole-pairs of two sets or more of rotor incrementally increases.It is with shaft
To radial direction, the number of pole-pairs of every set rotor design is preferably that number of pole-pairs incrementally increases (such as the first stator 22 and first at center
Rotor 21 is designed as 2 poles, the second stator 32 and the second rotor 3 and is designed as 4 poles ...)；Enable to winding span small in this way, benefit
In production, because of outer diameter greatly and if number of poles is small, winding span is big, may be unfavorable for producing.
Preferably,
The rotor is two sets, including being located at the first rotor 2 of radially inner side and determining positioned at the second of radial outside
Rotor 3, first rotor 2 include the first rotor 21 and the first stator 22, and the first rotor 21 is connected to the shaft 1
Above and the shaft 1 can be driven to rotate together；Second rotor 3 includes the second rotor 31 and the second stator 32, and described the
Two rotors 31 are also connected in the shaft 1 and also the shaft 1 can be driven to rotate together.
This is the specific tricks of the rotor of the utility model, by being chosen to two sets, can pass through radially inner side
The first rotor and positioned at radial outside the second rotor and generate two different numbers of pole-pairs, to open as needed
Corresponding rotor and suitable gear can reduce revolutional slip, improve operational efficiency, improve torque, reduce noise；Such as
First rotor is 4 poles, and the second rotor is 8 poles, if when the first rotor will be reduced to low grade in advance from top grade, directly made
If motor still operates on the first rotor and downshifts, revolutional slip can be higher and bring loss big, therefore at this time will
The second rotor of motor control is run and the first rotor is not run, and slip will not be made to decline very big in this way, i.e., turned at this time
Rate ratio, which operates under 4 pole motors, to be much smaller, and the characteristic of torque and revolving speed is more preferable.
Preferably,
The first rotor 21 is located at 22 radially inner side of the first stator, and it is fixed that second rotor 31 is located at described second
Sub 32 radially inner sides；Alternatively, the first rotor 21 is located at 22 radial outside of the first stator, second rotor 31 is located at
Second stator, 32 radially inner side；Alternatively, the first rotor 21 is located at 22 radially inner side of the first stator, described second
Rotor 31 is located at 32 radial outside of the second stator；Alternatively, to be located at 22 diameter of the first stator outside for the first rotor 21
Side, second rotor 31 are located at 32 radial outside of the second stator.
This is in two rotors of the utility model between the first rotor and the first stator, the second rotor and the second stator
Specific relative positional relationship, i.e., the first embodiment be the first rotor 21 be located at 22 radially inner side of the first stator, institute
It states the second rotor 31 and is located at 32 radially inner side of the second stator, i.e., to radially outward direction centered on shaft, stator and turn
Sub- distribution mode can be successively are as follows: 21 → the first stator of the first rotor, 22 → the second rotor, 31 → the second stator 32 ...；
Alternatively, second embodiment is that the first rotor 21 is located at 22 radial outside of the first stator, described the
Two rotors 31 are located at 32 radially inner side of the second stator, i.e., to radially outward direction centered on shaft, the first stator 22 →
21 → the second rotor of the first rotor, 31 → the second stator 32 ...；
Alternatively, the third embodiment is that the first rotor 21 is located at 22 radially inner side of the first stator, described the
Two rotors 31 are located at 32 radial outside of the second stator, i.e., to radially outward direction centered on shaft, the first rotor 21 →
First stator, 22 → the second stator, 32 → the second rotor 31 ...；
Alternatively, the 4th kind of embodiment is that the first rotor 21 is located at 22 radial outside of the first stator, described the
Two rotors 31 are located at 32 radial outside of the second stator, i.e., to radially outward direction centered on shaft, the first stator 22 →
21 → the second stator of the first rotor, 32 → the second rotor 31 ....
Preferably,
It is also arranged with the first winding 23 on first stator 22, is also arranged with the second winding on second stator 32
33.By be arranged the first winding can generate voltage and current, generate magnetic field to drive the first rotor to rotate, by setting second around
Group can generate voltage and current, generate magnetic field to drive the second rotor to rotate.
Preferably,
It further include casing 4, first stator 22 is fixed on the casing 4, and second stator 32 also is secured to institute
It states on casing 4.Effect can be fixed to the first stator and the second stator by the way that casing is arranged.
Motor provided by the utility model has more set rotors, each stator with multiple stators and multiple rotors
It is distributed toward radial at ◎ shape centered on shaft with rotor, the motor with a variety of numbers of pole-pairs unification body is specific as follows: the electricity
Machine includes multiple stators and multiple rotors, and each stator and rotor are distributed toward radial direction at ◎ shape centered on shaft；
Preferably,
The second stator 32 positioned at the first stator radial outside is fixedly connected on the internal perisporium of the casing 4, described
Extension 41 is additionally provided with extending along shaft axial direction on casing 4, so that be located at the second stator radially inner side first is fixed
Son 22 is fixedly connected on the internal perisporium of the extension 41.It can be respectively to second by casing internal perisporium and setting extension
Effect is fixed in stator and the first stator.
Preferably,
Being provided on the internal perisporium of the extension 41 being capable of and energy corresponding with axial one end of first stator 22
The first chuck 51 of engaging limit is enough carried out, and/or, the first buckle is additionally provided at the axial other end of first stator 22
52, be additionally provided on the internal perisporium of the extension 41 can with it is described first buckle 52 it is corresponding and with it is described first buckle 52
The first card slot 53 being engaged by clamping；
And/or be additionally provided on the internal perisporium of the casing 4 can be corresponding with axial one end of second stator 32
And it is able to carry out the second chuck 61 of engaging limit, and/or, second is additionally provided at the axial other end of second stator 32
Be additionally provided on buckle 62, the internal perisporium of the casing 4 can it is corresponding with second buckle 62 and with second buckle
62 the second card slots 63 being engaged by clamping.
By be arranged above-mentioned chuck, buckle and notch can effectively to the first stator and the second stator accurately
Fixed on casing, play the role of positioning limit；The characteristics of casing, is to be equipped with multiple rotor accommodating chambers, each accommodating chamber
It is equipped with chuck and card slot is used for gear stator；The production method of the motor can are as follows: the first stator 22 and the second stator 32 divide
Other coiling the first winding 23, the second winding 33 generate stator module and stator module, winding can be on the stator teeth or embedding with coiling
In stator slot；It is synchronous that the first rotor 21 and the second rotor 31, first bearing are assembled in shaft 1 (second bearing and second
Rotor 31 is positioned by the snap ring 9 being mounted in shaft) generation rotor assembly → respectively by the first stator module and the second stator
Component is pressed into casing, and generating field frame assembly, (the first stator module and the second stator module pass through the first chuck on casing respectively
51 and second chuck 61 and be mounted on casing card slot first buckle 52 and second buckle 62 positioning) → rotor assembly is filled
Enter field frame assembly → fixation end cap 8.
Preferably,
It further include first bearing 71, the first bearing 71 is set between the shaft 1 and the casing 4, so that institute
Shaft 1 is stated to be supported on the casing 4 by the first bearing 71.Shaft can be supported by first bearing,
It is effectively supported on casing；The stator, which is fixed on casing, forms field frame assembly, and the rotor is fixed in shaft
Rotor assembly is formed, is equipped with bearing chamber on casing and end cap, bearing is housed on rotor assembly, by bearing fit to bearing
In room, fixed casing and end cap general assembly are at motor.
Preferably,
Axial one end of the casing 4 is additionally provided with end cap 8, and the end cap 8 can carry out fastening company with the casing 4
It connects, and is additionally provided with bearing hole on the end cap 8, second bearing 72 can allow for be arranged, the second bearing 72 is connected to institute
It states between shaft 1 and the end cap 8.By setting end cap can the rotor component to casing internal closed and protected,
And effective supporting role can also be played to shaft by second bearing.
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.The above is only the preferred embodiment of the utility model, it is noted that for the art
For those of ordinary skill, without deviating from the technical principle of the utility model, several improvements and modifications can also be made,
These improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of motor, it is characterised in that: include:
Shaft (1)；
Two sets or more of rotor, rotor described in every set include a stator and a rotor, two sets the above rotors
Radially successively be distributed from the center of the shaft, and in two sets or more of the rotor there are at least two not
Same number of pole-pairs.
2. motor according to claim 1, it is characterised in that:
Radially outward direction from the shaft (1), the number of pole-pairs of two sets or more of rotor incrementally increases.
3. motor according to claim 1 or 2, it is characterised in that:
The rotor is two sets, including being located at the first rotor (2) of radially inner side and turning calmly positioned at the second of radial outside
Sub (3), first rotor (2) includes the first rotor (21) and the first stator (22), and the first rotor (21) is connected to
On the shaft (1) and the shaft (1) can be driven to rotate together；Second rotor (3) include the second rotor (31) and
Second stator (32), second rotor (31) are also connected on the shaft (1) and also can drive the shaft (1) together
Rotation.
4. motor according to claim 3, it is characterised in that:
The first rotor (21) is located at the first stator (22) radially inner side, and second rotor (31) is located at described second
Stator (32) radially inner side；Alternatively, the first rotor (21) is located at the first stator (22) radial outside, described second turn
Sub (31) are located at the second stator (32) radially inner side；Alternatively, the first rotor (21) is located at first stator (22)
Radially inner side, second rotor (31) are located at the second stator (32) radial outside；Alternatively, the first rotor (21) position
In the first stator (22) radial outside, second rotor (31) is located at the second stator (32) radial outside.
5. motor according to claim 3, it is characterised in that:
It is also arranged with the first winding (23) on first stator (22), is also arranged with the second winding on second stator (32)
(33)。
6. motor according to claim 3, it is characterised in that:
It further include casing (4), first stator (22) is fixed on the casing (4), and second stator (32) is also fixed
In on the casing (4).
7. motor according to claim 6, it is characterised in that:
Second stator (32) is fixedly connected on the internal perisporium of the casing (4), along shaft axial direction on the casing (4)
Direction is additionally provided with extension (41) with extending, so that first stator (22) is fixedly connected on the interior of the extension (41)
On peripheral wall.
8. motor according to claim 7, it is characterised in that:
Being provided on the internal perisporium of the extension (41) being capable of and energy corresponding with axial one end of first stator (22)
The first chuck (51) of engaging limit is enough carried out, and/or, first is additionally provided at the axial other end of first stator (22)
Buckle (52), the extension (41) internal perisporium on be additionally provided with can with it is described first buckle (52) it is corresponding and with it is described
The first card slot (53) that first buckle (52) is engaged by clamping；
And/or be additionally provided on the internal perisporium of the casing (4) can be corresponding with axial one end of second stator (32)
And it is able to carry out the second chuck (61) of engaging limit, and/or, it is additionally provided at the axial other end of second stator (32)
Second buckle (62), the casing (4) internal perisporium on be additionally provided with can with it is described second buckle (62) it is corresponding and with institute
State the second card slot (63) of the second buckle (62) clamping engagement.
9. motor according to claim 6, it is characterised in that:
It further include first bearing (71), the first bearing (71) is set between the shaft (1) and the casing (4), makes
The shaft (1) is obtained to be supported on the casing (4) by the first bearing (71).
10. motor according to claim 6, it is characterised in that:
Axial one end of the casing (4) is additionally provided with end cap (8), and the end cap (8) can be fastened with the casing (4)
Connection, and it is additionally provided with bearing hole on the end cap (8), it can allow for second bearing (72) to be arranged, the second bearing (72)
It is connected between the shaft (1) and the end cap (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821039036.0U CN208285178U (en) | 2018-07-02 | 2018-07-02 | A kind of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821039036.0U CN208285178U (en) | 2018-07-02 | 2018-07-02 | A kind of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208285178U true CN208285178U (en) | 2018-12-25 |
Family
ID=64698695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821039036.0U Withdrawn - After Issue CN208285178U (en) | 2018-07-02 | 2018-07-02 | A kind of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208285178U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667248A (en) * | 2018-07-02 | 2018-10-16 | 珠海凯邦电机制造有限公司 | A kind of motor |
| CN109842254A (en) * | 2019-03-05 | 2019-06-04 | 北京亿佳科技有限公司 | Motor and its design method |
-
2018
- 2018-07-02 CN CN201821039036.0U patent/CN208285178U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667248A (en) * | 2018-07-02 | 2018-10-16 | 珠海凯邦电机制造有限公司 | A kind of motor |
| CN108667248B (en) * | 2018-07-02 | 2023-10-24 | 珠海凯邦电机制造有限公司 | Motor |
| CN109842254A (en) * | 2019-03-05 | 2019-06-04 | 北京亿佳科技有限公司 | Motor and its design method |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181225 Effective date of abandoning: 20231024 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181225 Effective date of abandoning: 20231024 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |