CN209676096U - A kind of axial direction electric machine - Google Patents
A kind of axial direction electric machine Download PDFInfo
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- CN209676096U CN209676096U CN201920396674.6U CN201920396674U CN209676096U CN 209676096 U CN209676096 U CN 209676096U CN 201920396674 U CN201920396674 U CN 201920396674U CN 209676096 U CN209676096 U CN 209676096U
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- axial direction
- electric machine
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Abstract
The utility model discloses a kind of axial direction electric machines, including casing and the shaft being set in casing, N number of stator and M rotor, wherein 1≤N < M, so that stator is staggered between M rotor, the rotor is set in shaft and can rotate synchronously with shaft, and rotor is provided with L to the pole N and the pole S around the shaft, and two adjacent magnetic poles are opposite, wherein L is positive integer, the outer wall of the stator is fixedly connected with casing, center offers the relief hole passed through for shaft, and 3L winding is evenly arranged with around relief hole on stator, and the magnetic direction of its formation that is powered is along the axial direction of shaft, the winding specifically includes wound core and copper foil, the wound core is spliced by several sections in the silicon steel bar of regular hexagon, the copper foil-clad is in outside wound core.The utility model greatly reduces the volume of motor, and the coiling of coil is more easy, and heat transfer efficiency is higher, and overload capacity is stronger.
Description
Technical field
The utility model belongs to technical field of motors, and in particular to a kind of axial direction electric machine.
Background technique
Motor refers to a kind of calutron that conversion or the transmitting of electric energy are realized according to the law of electromagnetic induction, or will be a kind of
The electric energy of form is converted into another form of electric energy.Traditional motor is radial motor, i.e., magnetic direction is radial along shaft,
Its stator coats the form of rotor, causes volume larger.And due to generalling use inside groove coiling, nothing in conventional motors
The method copper wire and machine coiling thicker using line footpath, can only use copper wire coiling, coiling difficulty is big, and leads to its equivalent resistance
Larger, fever is serious.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of axial direction electric machine, by the way that magnetic direction is changed into axis
Always reduce volume, and the structure of coil is improved to reduce difficulty simultaneously.
Specifically, the utility model solves a kind of technical solution used by its technical problem is: a kind of axial direction electric machine, packet
Shaft, N number of stator and the M rotor for including casing and being set in casing, wherein 1≤N < M so that stator be staggered in
Between M rotor, the rotor is set in shaft and can rotate synchronously with shaft, and rotor be provided with around the shaft L to the pole N and
The pole S, and two adjacent magnetic poles, on the contrary, wherein L is positive integer, the outer wall of the stator is fixedly connected with casing, center opens up
There is the relief hole passed through for shaft, and is evenly arranged with 3L winding, and its magnetic field side formed that is powered around relief hole on stator
To the axial direction along shaft, the winding specifically includes wound core and copper foil, and the wound core is in positive six by several sections
The silicon steel bar of side shape is spliced, and the copper foil-clad is in outside wound core.
As a further improvement of the foregoing solution, optionally, the quantity N of the stator is the natural number more than or equal to 1,
And meet N=M-1.
As a further improvement of the foregoing solution, optionally, the quantity N=1 of the stator, the quantity M=2 of rotor, two
Distance adjusting means are provided between a rotor, the distance adjusting means are for adjusting two gas between rotor and stator
Gap.
As a further improvement of the foregoing solution, optionally, the center of the shaft is equipped with screw rod, the screw rod it is upper
Section and lower section are provided with two opposite thread segments of hand of spiral, and the upper section and lower section of shaft be axially disposed to be had and appear screw rod
The notch of thread segment, rotor described in two are respectively arranged in the upper section of shaft and lower section and are provided with the tooth being adapted to notch
Portion, the inner face of teeth portion are provided with the internal screw thread engaged with thread segment, and the distance tune is formed by notch, screw rod, teeth portion
Regulating device, and in rotary screw rod simultaneously adjust two rotors between stator at a distance from.
As a further improvement of the foregoing solution, optionally, the rotor and shaft are fixedly installed, and each stator with it is upper
Air gap between the rotor of lower end is identical.
As a further improvement of the foregoing solution, optionally, the stator is provided with the fixed bracket of stator, and the stator is solid
Fixed rack includes the spoke of inner ring, outer ring and 3L root support inner ring and outer rings, and the fixed bracket of the stator passes through 3L root spoke shape
At 3L fan-shaped installation position, the wound core is compressed to the sector structure being adapted to therewith, and the inner ring of the inner ring forms institute
The relief hole stated.
As a further improvement of the foregoing solution, optionally, cooling water channel is provided on the fixed bracket of the stator.
As a further improvement of the foregoing solution, optionally, the upper and lower end face of the stator is provided with ceramic layer.
As a further improvement of the foregoing solution, optionally, rolling is provided between the excircle and casing of the rotor
Bearing, the rolling bearing are fixed by bolt or screw with casing.
As a further improvement of the foregoing solution, optionally, M rotor axially aligns setting along shaft, so that upper and lower two
The alignment of the pole N, the alignment of the pole S between a rotor, N number of stator axially align setting along shaft, and two windings of consistency from top to bottom it
Between be arranged in series.
The beneficial effects of the utility model first is that: along the axial setting rotor and stator of shaft, more traditional stator cladding
For the structure of rotor, the volume of motor is greatly reduced；3L winding is arranged on stator can form the three-phase of L number of poles
Winding can be formed since structure is different from traditional inside groove in such a way that wound core adds copper foil, can be first by copper foil
It is wound in the side of wound core, then is installed on stator, therefore the coiling of coil is more easy, and in the course of work
The heat of winding is directly conducted to stator by copper foil, on casing, is passed compared in traditional structure by the stator core of stator coil
The mode of heat conduction amount, heat transfer efficiency is higher, and overload capacity is stronger.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is a kind of structural schematic diagram of the utility model；
Fig. 2 is a kind of structural schematic diagram of rotor in the utility model；
Fig. 3 is a kind of structural schematic diagram of stator in the utility model；
Fig. 4 is a kind of setting schematic diagram of coolant flow channel shown in Fig. 3；
Fig. 5 is the setting schematic diagram of the coolant flow channel opposite with Fig. 4；
Fig. 6 is another structural schematic diagram of the utility model.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit the range of claimed invention,
But it is merely representative of the selected embodiment of the utility model.
Referring to Fig.1~Fig. 5, the utility model disclose a kind of axial direction electric machine, including casing 200 and are set in casing 200
Shaft 100, N number of stator 300 and M rotor 400, wherein 1≤N < M, so that stator 300 is staggered in M rotor
Between 400, the rotor 400 is set in shaft 100 and can rotate synchronously with shaft 100, and rotor 400 100 is set around the shaft
L is equipped with to the pole N and the pole S, and two adjacent magnetic poles are on the contrary, wherein L is positive integer, the outer wall and casing 200 of the stator 300
Be fixedly connected, center offers the relief hole passed through for shaft 100, and on stator 300 around relief hole be evenly arranged with 3L around
Group, and the magnetic direction of its formation that is powered, along the axial direction of shaft 100, the winding specifically includes wound core 306 and copper foil
305, the wound core 306 is spliced by several sections in the silicon steel bar of regular hexagon, and the copper foil 305 is coated on line
It encloses outside magnetic core 306.
Wherein, M rotor 400 axially aligns setting along shaft 100 and makes the N between upper and lower two rotors 400 extremely right
Together, the pole S is aligned, and N number of stator 300 is arranged in series between two coils that shaft 100 axially aligns setting and consistency from top to bottom, from
And convenient for the current control in the course of work.
In the above technical solution, by the axial setting rotor 400 and stator 300 along shaft 100, more traditional determines
For son 300 coats the structure of rotor 400, the volume of motor is greatly reduced.3L winding being arranged on stator 300 can
To form three-phase windings, the magnetic direction which forms is axial along shaft 100, i.e. the plane that is surrounded of winding is perpendicular to shaft
100 axial direction, therefore its structure is different from traditional inside groove coiling, can by the way of wound core 306 plus copper foil 305 group
At copper foil 305 first being wound in the side of wound core 306, then be installed on stator 300, therefore the coiling of winding
It is more easy, be not in line footpath size it is larger and can not coiling the problem of, and the setting of copper foil 305 can effectively reduce line
Resistance is enclosed, the degree of heat in the course of work is slowed down, while corresponding to the coil of the number of turns by 305 coiling of copper foil, precision is higher.And
And the heat of course of work coil is directly conducted to stator 300, on casing 200 by copper foil 305, compared with passing through in traditional structure
The mode of the stator core conduction heat of stator coil, heat transfer efficiency is higher, and overload capacity is stronger.Pass through the silicon steel of regular hexagon
Item carrys out split and forms wound core 306, it can be achieved that seamless split, and helps to reduce eddy-current loss.
In order to realize the optimization of structure, the quantity N of the stator 300 is the natural number more than or equal to 1, and meets N
=M-1, so that when stator 300 and rotor 400 are staggered up and down along the axial direction of shaft 100, each stator 300
Upper and lower side all have a rotor 400.
The present embodiment is explained by example of L=1, i.e., a pair of of magnetic pole is provided on rotor, and the pole N and S are extremely corresponding
Central angle be 180 °, and three windings are set, the corresponding central angle of each winding is 120 ° on stator.
As the first preferred embodiment that said stator 300,400 quantity of rotor are arranged, as shown in fig. 6, the stator
Rotor is arranged in 300 quantity N=1, the quantity M=2 of rotor 400, i.e. the middle position setting stator 300 of shaft 100, both ends
400.When adopting the structure setting, the whole height of casing 200 is not high, an approximate wheel hub, therefore can be referred to as wheel hub electricity
Machine.In present embodiment, distance adjusting means are provided between two rotors 400, the distance adjusting means are for adjusting two
Air gap between a rotor 400 and stator 300.Since the performance of motor is affected by air gap, the big magnetic resistance of air gap can also become
Greatly, but air gap appropriate can prevent from generating magnetic saturation phenomenon in the case where exchanging big signal or direct current biasing, reduce magnetic conductivity.It is logical
The adjustable size of gaps of setting distance adjusting means is crossed, consequently facilitating being adjusted to suitable air gap value in test, is being developed
Stage has the motor of different air gap value without the more sets of production to be tested, and advantageously reduces R&D and production cost.Also, In
It in real work, can first increase air gap, circuit buffer ability is provided, reduce air gap after revolving speed raising and improve output power.
As the first preferred embodiment of the distance adjusting means, the center of the shaft 100 is equipped with screw rod 500,
The upper section and lower section of the screw rod 500 are provided with two opposite thread segments of hand of spiral, and the upper section and lower section of shaft 100 are along axis
To being provided with the notch for appearing the thread segment of screw rod 500, rotor 400 described in two be respectively arranged in shaft 100 upper section and
Lower section is simultaneously provided with the teeth portion being adapted to notch, and the inner face of teeth portion is provided with the internal screw thread engaged with thread segment, by notch,
Screw rod 500, teeth portion form the distance adjusting means, and adjust two rotors 400 and stator simultaneously in rotary screw rod 500
The distance between 300.The screw rod 500 is rotated synchronously when motor runs well with shaft 100, only just when needing to adjust air gap
Starting, control are controlled by external motor.Damper is set between screw rod 500 and shaft 100, thus in non-regulated state
Under, it is acted on by damper so that screw rod 500 and shaft 100 rotate synchronously, and then overcome resistance by external force under adjustment state
The effect of Buddhist nun's device and realize screw rod 500 relative to shaft 100 rotate.
As the second preferred embodiment of the distance adjusting means, the relief hole aperture opened up on stator 300, which is greater than, to be turned
Axis 100 can be slid axially between rotor 400 and shaft 100 by spline connection realization, and two of 300 upper and lower side of stator turn
In the screw rod 500 for passing through relief hole close to the position of shaft 100 setting one between son 400, the both ends difference screw thread of screw rod 500 connects
A rotor 400 is connect, and hand of spiral is opposite.
As the second preferred embodiment that said stator 300, rotor 400 quantity are arranged, as shown in Figure 1, stator 300
Quantity N >=2, the quantity M=N+1 of rotor 400, and when stator 300, rotor 400 are staggered, the rotor 400 with turn
Axis 100 is fixedly installed, and the air gap between each stator 300 and the rotor 400 of upper and lower side is identical, so that it is guaranteed that stator 300, turning
Son 400 is uniformly distributed in shaft 100, is conducive to the control of torsional forces.
In order to realize that winding is fixed in the installation on stator 300, it is preferred that as shown in figure 3, the stator 300 is provided with
Stator fixes bracket, and the fixed bracket of the stator includes inner ring 303, outer ring 301 and three support inner ring 303 and outer ring 301
Spoke 302, the fixed bracket of the stator form three fan-shaped installation positions by three spokes 302, and the wound core 306 is pressed
It is made as the sector structure being adapted to therewith, to be fitted in installation position after coiling copper foil 305.And in order to eliminate winding with
Fit-up gap between the fixed bracket of stator, the upper and lower end face of stator 300 are encapsulated using aluminium nitride.Since the room temperature of aluminium nitride is strong
Degree is high, and intensity is slower with the raising decline of temperature, and it is good heat shock resistance material that thermal conductivity is good, and thermal expansion coefficient is small, is resisted
The ability of molten metal attack is strong, while still electrical insulator, therefore is encapsulated using aluminium nitride, to the weight amplification of stator 300
Less, but winding and the fixed bracket of stator can be effectively fixed, while will not influence electric property of the stator 300 in motor.
The fixed bracket of stator is fixedly connected with outer ring 301 in wearing bolt outside casing 200, determines to realize after being packed into casing 200
The installation of son 300 is fixed.
Further, it in order to improve the radiating efficiency of motor, can be set on the fixed bracket of stator in some embodiments
Set cooling water channel 304.Specifically, three cooling water channels 304 can be set to respectively correspond a winding, every cooling water channel 304
Enter from a spoke 302, is pierced by out of adjacent a spoke 302 in the ring wall for passing through inner ring 303.And such as Fig. 4 and Fig. 5 institute
Show there are two cooling water channels 304 to be located at same level and share the water inlet flow channel or outlet passage on a spoke 302, and
Another cooling water channel 304 is higher or lower than two cooling water channels 304 and is located at Different Plane therewith, in order to process life
It produces.
In view of that there may be minim gap between rotor 400 and shaft 100, it is easy to wipe when air gap is lesser and touches
To stator 300, so in some embodiments, the upper and lower end face of the stator 300 is provided with ceramic layer.Due to ceramic plated layer
Technique is widely used to various industries field, belongs to common knowledge obtained by those skilled in the art, thus it is specific how
In the upper and lower end face of stator 300 setting ceramic layer, therefore not to repeat here.Improved by ceramic plated layer stator 300 wearability,
Insulating properties can effectively avoid and be damaged due to the wiping of rotor 400 is touched.And it can also be mentioned in ceramic layer is arranged on the inner wall of inner ring 303
Wearability between high inner ring 303 and shaft 100.It can also be lubricated simultaneously in graphite powder is arranged on ceramic layer to increase.
Further, it in the case where 300 quantity of stator is greater than or equal to 2, in order to avoid rotor 400 sweeps boring and damages
It is bad, in some embodiments, rolling bearing, the rolling bearing are provided between the excircle and casing 200 of the rotor 400
It is fixed by bolt or screw and casing 200.
In actual installation, first shaft 100 is installed in casing 200, then rotor 400, stator 300 are one by one packed into
It is fixed in casing 200 and by bolt or screw.And 300 quantity of stator be greater than or equal to 2 in the case where, rotor 400 with
It can be fixed by pin between shaft 100 and realize synchronous rotation, can also rotated synchronously by fixed realize of spline structure.
In addition to this, in some embodiments, the end face of stator 300 is not provided with ceramic layer, and in being filled with profit in casing 200
Lubricating oil lubricates to improve, and prevents wiping from touching impaired.
The motor during the work time, the turned position of rotor 400 is detected by hall sensing, then controls three windings
Electric current, to be rotated by magnetic fields in promotion shaft 100 on rotor 400.Its specific control model and three-phase motor phase
Seemingly, also similar to the frequency converter of convertible frequency air-conditioner, it is to belong to what those skilled in the art can be known disclosed in the prior art
Common knowledge, and the improvement of this programme is not related to the internal structure of controller yet, and and therefore not to repeat here.
Above-described embodiment is the preferred embodiment of the utility model, and the utility model can also have other embodiments: such as
2 are set by L, i.e., two poles S of the pole N two and staggered are set on rotor 400, and six windings are set on stator 300.This
The technical staff in field can also make equivalent deformation or replacement without departing from the spirit of the present invention, these are equivalent
Variation or replacement are all contained in range set by the claim of this application.
Claims (10)
1. a kind of axial direction electric machine, which is characterized in that including casing (200) and the shaft (100) being set in casing (200), N number of
Stator (300) and M rotor (400), wherein 1≤N < M so that stator (300) be staggered in M rotor (400) it
Between, the rotor (400) is set on shaft (100) and can rotate synchronously with shaft (100), and rotor (400) is around the shaft
(100) L is provided with to the pole N and the pole S, and two adjacent magnetic poles are on the contrary, wherein L is positive integer, the outer wall of the stator (300)
It is fixedly connected with casing (200), center offers the relief hole passed through for shaft (100), and equal around relief hole on stator (300)
It is even to be provided with 3L winding, and the magnetic direction of its formation that is powered, along the axial direction of shaft (100), the winding specifically includes coil
Magnetic core (306) and copper foil (305), the wound core (306) are spliced by several sections in the silicon steel bar of regular hexagon,
The copper foil (305) is coated on wound core (306) outside.
2. a kind of axial direction electric machine as described in claim 1, which is characterized in that the quantity N of the stator (300) is to be greater than or wait
In 1 natural number, and meet N=M-1.
3. a kind of axial direction electric machine as claimed in claim 2, which is characterized in that the quantity N=1 of the stator (300), rotor
(400) quantity M=2 is provided with distance adjusting means between two rotors (400), and the distance adjusting means are for adjusting
Air gap between two rotors (400) and stator (300).
4. a kind of axial direction electric machine as claimed in claim 3, which is characterized in that the center of the shaft (100) is equipped with screw rod
(500), the upper section and lower section of the screw rod (500) are provided with two opposite thread segments of hand of spiral, the upper section of shaft (100)
With the axially disposed notch for having the thread segment for appearing screw rod (500) of lower section, rotor (400) described in two, which is respectively arranged in, to be turned
The upper section and lower section of axis (100) be simultaneously provided with the teeth portion being adapted to notch, and the inner face of teeth portion is provided with to be engaged with thread segment
Internal screw thread forms the distance adjusting means by notch, screw rod (500), teeth portion, and simultaneously at rotary screw rod (500)
Adjust the distance between two rotors (400) and stator (300).
5. a kind of axial direction electric machine as claimed in claim 2, which is characterized in that the rotor (400) sets with shaft (100) fixation
It sets, and the air gap between each stator (300) and the rotor (400) of upper and lower side is identical.
6. a kind of axial direction electric machine as described in any one in claim 1-5, which is characterized in that the stator (300) is provided with fixed
The fixed bracket of son, the fixed bracket of the stator include inner ring (303), outer ring (301) and 3L root support inner ring (303) and outer ring
(301) spoke (302), the fixed bracket of the stator form 3L fan-shaped installation position, the line by 3L root spoke (302)
Circle magnetic core (306) is compressed to the sector structure being adapted to therewith, and the inner ring of the inner ring (303) forms the relief hole.
7. a kind of axial direction electric machine as claimed in claim 6, which is characterized in that be provided with cooling water on the fixed bracket of the stator
Road (304).
8. a kind of axial direction electric machine as described in any one in claim 1-5, which is characterized in that the upper and lower side of the stator (300)
Face is provided with ceramic layer.
9. a kind of axial direction electric machine as described in claims 1 or 2 or 5, which is characterized in that the excircle of the rotor (400) with
Rolling bearing is provided between casing (200), the rolling bearing is fixed by bolt or screw and casing (200).
10. a kind of axial direction electric machine as described in any one in claim 1-5, which is characterized in that M rotor (400) is along shaft
(100) setting is axially aligned, so that the pole N between upper and lower two rotors (400) is aligned, the alignment of the pole S, N number of stator (300) edge turns
Axis (100) axially aligns setting, and is arranged in series between two windings of consistency from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920396674.6U CN209676096U (en) | 2019-03-26 | 2019-03-26 | A kind of axial direction electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920396674.6U CN209676096U (en) | 2019-03-26 | 2019-03-26 | A kind of axial direction electric machine |
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| Publication Number | Publication Date |
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| CN209676096U true CN209676096U (en) | 2019-11-22 |
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ID=68572941
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920396674.6U Active CN209676096U (en) | 2019-03-26 | 2019-03-26 | A kind of axial direction electric machine |
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| CN (1) | CN209676096U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921589A (en) * | 2019-03-26 | 2019-06-21 | 廖红林 | A kind of axial direction electric machine |
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2019
- 2019-03-26 CN CN201920396674.6U patent/CN209676096U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921589A (en) * | 2019-03-26 | 2019-06-21 | 廖红林 | A kind of axial direction electric machine |
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