CN207766122U - Two-phase self-starting switched reluctance machines - Google Patents
Two-phase self-starting switched reluctance machines Download PDFInfo
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- CN207766122U CN207766122U CN201820118639.3U CN201820118639U CN207766122U CN 207766122 U CN207766122 U CN 207766122U CN 201820118639 U CN201820118639 U CN 201820118639U CN 207766122 U CN207766122 U CN 207766122U
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- stator
- rotor
- core
- switched reluctance
- cylinder
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Abstract
The utility model discloses a kind of two-phase self-starting switched reluctance machines, it includes being coaxially arranged stator assembly and rotor assembly, the stator module includes multiple stator cores, the multiple stator core is in W types or the W types of extension, and the multiple teeth portion for including stator core root and extending from the stator core root radially toward the rotor assembly, the total quantity N of the multiple teeth portion is odd number, and N >=3.The weight of motor provided by the utility model significantly reduces, and also significantly reduces the generation of noise and vibration.
Description
Technical field
The utility model belongs to motor field, specifically, the utility model is related to a kind of lightweight two-phase self-startings to open
Close reluctance motor.
Background technology
The structure of traditional two-phase switched reluctance machines is simple, control is easy, and multiple magnetic are both provided on rotor and stator
Pole is rotated by the interaction drive shaft between magnetic pole, and then drives the rotor rotation being mounted in shaft.The magnetic of rotor
Pole is usually the magnetic pole protruded, two-phase switched reluctance machines in the process of running, when the rotor magnetic pole of protrusion be increasingly closer to it is fixed
When sub- magnetic pole, since apparent variation occurs for spacing between the two, cause at runtime can by prodigious air drag, and
And caused pulsation, low-frequency vibration and noise when the especially low speed such as ear-piercing squeal, vibration can also be caused to run, as a result
Lead to the efficiency and reduced performance of two-phase switched reluctance machines.
In addition, existing two-phase switched reluctance machines do not have self-starting ability.
Utility model content
The purpose of this utility model is to provide a kind of lightweight two-phase self-starting switched reluctance machines, to reduce motor
Total weight, and substantially reduce the generation of noise and vibration.
To achieve the goals above, the utility model provides a kind of two-phase self-starting switched reluctance machines, including coaxial
Ground arranges that stator assembly and rotor assembly the stator module includes multiple stator cores, and the multiple stator core is in W
Type or the W types of extension, and including stator core root and from the stator core root radially toward the rotor
Multiple teeth portion that component extends, the total quantity N of the multiple teeth portion are odd number, and N >=3.
Optionally, the stator core root axially extends, and the multiple teeth portion is equally spaced in an axial direction.
Optionally, teeth portion wound around coil along a first direction is often separated in the multiple teeth portion, in other teeth portion
There is no wound around coil or along the second direction wound around coil opposite with first direction.
Optionally, the rotor assembly includes multiple rotor cores, and the rotor core is in strip.
Optionally, the total quantity of the stator core is 2M+2, and the total quantity of rotor core is M+1, and wherein M is just whole
Number.
Optionally, the stator module further includes that the stator made of non-magnetic material installs cylinder, the stator core
Be inlaid on stator installation cylinder, the rotor assembly further include be made of non-magnetic material and with the stator mounting cylinder
The rotor that body is coaxially arranged installs cylinder, and the rotor core is inlaid on the rotor installation cylinder, the rotor assembly
For inner rotor core, the inner radial surface that the inner radial surface of the stator core installs cylinder with the stator flushes；It is described
The radially-outer surface that the radially-outer surface of rotor core installs cylinder with the rotor flushes.
Optionally, the stator module further includes that the stator made of non-magnetic material installs cylinder, the stator core
Be inlaid on stator installation cylinder, the rotor assembly further include be made of non-magnetic material and with the stator mounting cylinder
The rotor that body is coaxially arranged installs cylinder, and the rotor core is inlaid on the rotor installation cylinder, the rotor assembly
For outer-rotor structure, the radially-outer surface that the radially-outer surface of the stator core installs cylinder with the stator flushes, described
The inner radial surface that the inner radial surface of rotor core installs cylinder with the rotor flushes.
Optionally, the radial clearance between the rotor assembly and the stator module is constant.
Optionally, the rotor assembly further includes the multigroup secondary iron core being inlaid on rotor installation cylinder, and every group
Secondary iron core is arranged in the side along direction of rotation of each rotor core.
Optionally, multigroup secondary iron core is symmetrical relative to rotation axis.
Optionally, every group in multigroup secondary iron core includes one or more secondary iron cores.
Optionally, width of the width in outermost teeth portion less than other teeth portion in the multiple teeth portion.
Optionally, the radial thickness of the stator core root be the axial width in intermediate teeth portion half or with
On.
Optionally, the radial thickness of the rotor core is the half of the axial width in intermediate teeth portion.
Optionally, the line shaft of the stator core and the rotor core is to equal length.
Optionally, the rotor core and the stator core are made of grain-oriented Si steel sheet or non-oriented electrical steel piece.
By the way that the W type stator cores of W types or extension are arranged, the total weight of stator module and motor can be significantly reduced.Separately
Outside, the motor provided can also have self-starting ability.By making the clearance constant of stator module and rotor assembly, so as to
The windage that rotor assembly is subject to is substantially reduced, the generation of noise and vibration is reduced.
In addition, by the way that stator core and rotor core are inlaid in respectively on respective cylinder, can effectively ensure that and real
Radial clearance now between the two is constant, and can simplify the assembly of iron core.
Description of the drawings
Fig. 1 is the structural schematic diagram of the two-phase self-starting switched reluctance machines of embodiment according to the present utility model；
Fig. 2 is the sectional view of lightweight two-phase switched reluctance machines shown in FIG. 1；
Fig. 3 is the magnetic circuit schematic diagram of the two-phase self-starting switched reluctance machines of embodiment according to the present utility model；
Fig. 4 is the schematic diagram of stator module shown in FIG. 1；
Fig. 5 is the schematic diagram of rotor assembly shown in FIG. 1.
Specific implementation mode
In order to enable those skilled in the art to be better understood from the utility model, below in conjunction with the accompanying drawings to the utility model
Specific embodiment be described in detail.
Referring to Figures 1 and 2, embodiment according to the present utility model provides a kind of lightweight two-phase switched reluctance machines
(hereinafter referred to as motor).The motor may include shell 30 and the stator being arranged in shell 30 made of non-magnetic material
Component 10 and rotor assembly 20.Rotor assembly 20 separates scheduled radial clearance with stator module 10.On rotor assembly 20 also
Shaft 40 can be fixed with.
Stator module 10 includes multiple stator cores 11, these stator cores 11 can be uniformly distributed in the circumferential.Rotor set
Part 20 includes equally distributed multiple rotor cores 21 in the circumferential.For two-phase switched reluctance machines, the number of stator core 11
Amount can be 2M+2, and the quantity of rotor core 21 can be M+1, wherein M is positive integer.For example, the quantity of stator core 11 can
Think 4,6,8,10,12 etc., the quantity of corresponding rotor core 21 can be 2,3,4,5,6 etc..
For ease of description, in the following embodiments, with the quantity of stator core 11 for 4, the quantity of rotor core 21
It is described for being 2.
As shown in Figure 1, four stator cores 11 can be referred to as stator core 11-1,11-2,11-3 and 11-4, stator iron
Core 11 is equally spaced in the circumferential, that is, is arranged with being separated by 90 degree, wherein stator core 11-1 and 11-3 are in radial direction
Upper opposite, stator core 11-2 and 11-4 is diametrically opposed.In motor operation, stator core 11-1 and 11-3 lead to simultaneously
Electricity, stator core 11-2 and 11-4 are powered simultaneously.When stator core 11-1 and 11-3 are powered, stator core 11-2 and 11-4 are disconnected
Electricity.Similarly, when stator core 11-2 and 11-4 are powered, stator core 11-1 and 11-3 power-off, that is, it is each pair of diametrically
Stator core 11 is alternately powered and powers off.
Each stator core 11 can be in W types or the W types of extension.Wherein, the W types stator core of extension can be by multiple companies
Continuous W type stator cores are constituted, and to organize integral single component, rather than simple multiple components are combined together.It is fixed
Sub- iron core 11 may include stator core root 111 and from stator core root 111 radially toward rotor assembly 20 extend or
Multiple teeth portion 112 outstanding, that is, teeth portion 112 is towards rotor assembly 20, and stator core root 111 can axially extend, in axis
There is certain length upwards.The quantity N of teeth portion 112 is odd number, and N can be greater than or equal to 3.
Multiple teeth portion 112 can be axially evenly distributed, and adjacent two teeth portion 112 can separate equal spacing.
Axial width in outermost two teeth portion is smaller than the axial width of other teeth portion, for example, the axis of outermost teeth portion
Can generally be the half of other teeth portion to width.In addition, the radial thickness of stator core root 111 can be located at centre
The substantially half of the axial width of teeth portion 112 or more than half, to ensure in motor operation on stator core 11
Magnetic flux on each magnetic circuit is generally equalized.
A teeth portion can be often separated in teeth portion 112 and is wound with coil 13, which can wind around first direction.It is right
It, can not wound around coil in other teeth portion.For example, for having the stator there are five teeth portion 112, it can be along a first direction the
Wound around coil in 2 and the 4th teeth portion.Certainly, coil can be also wrapped in the 1st, 3 and 5 teeth portion.
It can also be around the second direction wound around coil 14 opposite with first direction in other teeth portion.In an example
In, coil can be wound in the 2nd and the 4th teeth portion upper edge first direction, and in opposite direction i.e. the in the 3rd teeth portion
Two direction wound around coil 14, as shown in Figure 3 so that when the coil on the 2nd and the 4th teeth portion is powered, motor can be used as electricity
Motivation or motor running, and when the coil in only the 3rd teeth portion is powered, motor can be used as generator operation.In this way, motor is just
There can be two kinds of operation modes of motor and generator, so as to expand motor application range.
Two rotor cores 21 of the rotor assembly 20 of motor can be diametrically opposite arranged, and can be in strip, in order to
Convenient for description, rotor core 21 can be referred to as to rotor core 21-1 and 21-2.The radial thickness of rotor core 21 can be substantially
On be the axial width in intermediate teeth portion 112 half.Total axial length of rotor core 21 can be essentially equal to stator
Total axial length of iron core 11.
As shown in figure 3, since stator core 11 is in the W types of extension, it is possible in rotor core 21 and stator core 11
Between form a plurality of magnetic circuit, to the stator and rotor with identical size in compared with the existing technology, generated total magnetic flux
Amount significantly increases.Therefore, in the torque of motor the output phase etc., the radial dimension of stator core 11 and rotor core 21 can be made
Reduce, for example, the radial dimension of stator core root 111 can be reduced.In this case it is also possible to be substantially reduced stator
Total weight, and then the total weight of motor is reduced, to realize the lightweight of motor.In the case where structure size allows, stator
The quantity of the teeth portion 112 of iron core 11 is more, is more conducive to keep the radial dimension of stator core 11 and rotor core 21 thinning, to
The total weight of the total weight and motor that make iron core is smaller.
In one embodiment, stator module 10 may also include the stator installation cylinder 12 made of non-magnetic material, turn
Sub-component 20 may also include the equally rotor made of non-magnetic material and install cylinder 22, the two installation cylinders can be coaxially
Setting.Magnetic force loses in order to prevent, and shell 30, stator installation cylinder 12 and the rotor installation cylinder 22 of motor can be closed by magnalium
The non-magnetic materials such as gold, fibre reinforced resin are made.
Stator core 11 can be embedded in or be embedded on stator installation cylinder 12, as shown in Figure 2.Stator installs cylinder 12 can be big
It causes to be thin-wall barrel, and offers multiple openings on it, to accommodate stator core 11, as shown in Figure 4.Rotor core 21 can class
As be embedded in or be embedded in stator installation cylinder 12 be coaxially arranged rotor installation cylinder 22 on, as shown in Figure 2.In rotor
Can be opened up on installation cylinder 22 it is fluted, to accommodate rotor core 21 and secondary iron core 23 which will be described, as shown in Figure 5.
Rotor, which installs cylinder 22, can have certain radial thickness, shaft 40 that can be fitted in rotor installation cylinder 22.In order to reduce
The total weight of motor can process multiple grooves, to reduce certainly in the case where ensureing installation strength on rotor installation cylinder 22
The weight of body.
In the case where two-phase switched reluctance machines are inner rotor core, the inner radial surface of stator core 11 is (that is, teeth portion
112 inner radial surface) it can generally be flushed with the inner radial surface of stator installation cylinder 12, the two is in same curved surface
On, and the radially-outer surface of rotor core 21 can be flushed with the radially-outer surface of rotor installation cylinder 22, and the two can be at together
On one curved surface.Furthermore it is also possible to make the radially-outer surface (that is, radially-outer surface of stator core root 111) of stator core 11
The radially-outer surface that cylinder 12 is generally installed with stator flushes, and the two is on same curved surface.That is, stator core
11 are fully encased into stator installs cylinder 12.
In the case where two-phase switched reluctance machines are outer-rotor structure, the radially-outer surface of stator core 11 can be generally
The radially-outer surface that cylinder 12 is installed with stator flushes, and the two is on same curved surface, and the diameter of rotor core 21 is inside
The inner radial surface that surface can install cylinder 22 with rotor flushes, and the two can be on same curved surface.Furthermore it is also possible to make rotor
The radially-outer surface that the radially-outer surface of iron core 21 generally installs cylinder 22 with rotor flushes, and the two is in same curved surface
On.That is, rotor core 21 is fully encased into rotor installs cylinder 22.
In both cases, due to stator install cylinder 12 and rotor installation cylinder 22 be coaxially disposed, the two it
Between radial clearance it is less constant.Therefore, in stator core 11 and rotor core 21 radial facing radial surface each other
In the case of all flushing or be on same curved surface with the radial surface of respective installation cylinder, stator module 10 and rotor set
Facing radial surface is generally all smooth curved surface to part 20 each other radially, and stator module 10 and rotor assembly
Radial clearance G between 20 is also less constant, without changing with the operating of motor, so as to reduce rotor set
The windage that part 20 is subject to when rotated, and the generation of noise and vibration can also be significantly reduced by constant gap.
The quantity multigroup secondary iron core 23 equal with the quantity of rotor core 21 can be also embedded on rotor installation cylinder 22.
That is, rotor core 21 and secondary iron core 23 are arranged in pairs.Every group of pair iron core 23 is arranged in the edge rotation side of each rotor core 21
To side.That is, every group of pair iron core 23 is arranged in the same side of respective rotor core 21.
Every group of pair iron core 23 may include one or more secondary iron cores 23.It is adjacent including multiple secondary iron core 23
Secondary iron core 23 can be separated by scheduled spacing.In addition, what secondary iron core 23 made to be arranged symmetrically relative to rotation axis, so that motor
Always it is in dynamically balanced state.
For example, for two-phase switched reluctance machines, two groups of pair iron cores 23, this two groups of pairs are embedded on rotor installation cylinder 22
Iron core 23 can claim opposite to each other radially.For ease of description, this two groups of pair iron cores 23 can be referred to as secondary iron core 23-1 and
23-2.Every group of pair iron core 23 can be at the side of respective rotor core 21 or closer to respective rotor core 21, such as
Shown in Fig. 1.
Above-mentioned rotor core 21 and stator core 11 can be formed by stacking by multi-disc silicon steel sheet, these silicon steel sheets may be used non-
The grain-oriented Si steel sheet and higher grain-oriented Si steel sheet of magnetic permeability, Fe-based amorphous alloy or nanometer crystal alloy are made.Specifically, exist
Punching press can be used when making to make silicon steel sheet.When manufacturing iron core using grain-oriented Si steel sheet, stator core 11 can be made radially
On magnetic flux larger, and make the magnetic flux of rotor core 21 vertically larger.By using materials such as grain-oriented Si steel sheets
Material, since the magnetic permeability of its own is higher, contributes to the size for further decreasing stator core 11 and rotor core 21, from
And further realize the lightweight of motor.
The operation of motor provided by the utility model is specifically described below.
When the coil on stator core 11-1 and 11-3 is powered, motor is generally in state as shown in Figure 1.When fixed
When coil blackout on sub- iron core 11-1 and 11-3 and the coil on stator core 11-2 and 11-4 are powered, because secondary iron core 23
In the presence of forming short magnetic between stator core 11-2 and secondary iron core 23-1 and between stator core 11-4 and secondary iron core 23-2
Road drives rotor assembly 20 to rotate clockwise, to provide self-starting ability for motor.When rotor core 21-1 and 21-2 are rotated
To respectively with stator core 11-2 and 11-4 radially aligned when, the coil blackout on stator core 11-2 and 11-4 gives simultaneously
Coil on sub- iron core 11-1 and 11-3 is powered, similarly, between stator core 11-1 and secondary iron core 23-2 and stator iron
Short magnetic circuit is formed between core 11-3 and secondary iron core 23-1, continues that rotor assembly 20 is driven to rotate clockwise.As rotor core 21-1
When turning to respectively with stator core 11-1 and 11-3 radially aligned with 21-2, state shown in FIG. 1 is just returned to, then with similar
Mode with scheduled frequency successively by turns on one group of opposite stator core 11 coil be powered and power-off and drive turn
Sub-component 20 continues to rotate, and to drive shaft 40 to rotate, and then converts electric energy to mechanical energy.
In motor operation course, since stator core 11 is inlaid on stator installation cylinder 12 and turns as independent component
Sub- iron core 21 and secondary iron core 23 are same to be inlaid in as independent component on rotor installation cylinder 22, in stator module 10 and turn
Clearance G between sub-component 20 is constant all the time, and mutation or gradual change may be not present, and is subject to significantly reducing rotor assembly 20
Air drag, and vibration and noise can also be significantly reduced, without because squeal occurs for gap mutation.
By the embodiments of the present invention, following technique effect can use to obtain：By the way that the W type stator cores of extension are arranged,
Identical magnetic flux can be formed between stator core and rotor core in the case where thinner stator core is arranged, to
The total weight of stator module, rotor assembly and motor can be significantly reduced, the total weight of iron core generally can be relative to existing electricity
The iron core of machine reduces the weight of 70%-80%；Motor can have self-starting ability；By making between stator module and rotor assembly
Gap is constant, so as to substantially reduce the windage that rotor is subject to, reduces the generation of noise and vibration.
Two-phase switched reluctance machines according to the present utility model can be applied to various household appliances, for example, refrigerator, laundry
In the equipment such as machine, air-conditioning.Alternatively, various other electrically driven (operated) devices of any need can also be applied to.
Specific embodiment of the present utility model is described in detail above, although having show and described some realities
Example is applied, it will be understood by those skilled in the art that not departing from defined by the claims and their equivalents practicality
In the case of novel principle and spirit, it can modify to these embodiments and perfect, these modifications and improve also should be
In the scope of protection of the utility model.
Claims (11)
1. a kind of two-phase self-starting switched reluctance machines, including be coaxially arranged stator assembly and rotor assembly, feature exists
In the stator module includes multiple stator cores, and the multiple stator core is in W types or the W types of extension, and includes
Stator core root and the multiple teeth portion extended from the stator core root radially toward the rotor assembly are described more
The total quantity N of a teeth portion is odd number, and N >=3.
2. two-phase self-starting switched reluctance machines according to claim 1, which is characterized in that stator core root edge
It is axially extending, and the multiple teeth portion is equally spaced in an axial direction.
3. two-phase self-starting switched reluctance machines according to claim 1, which is characterized in that every in the multiple teeth portion
Separate a teeth portion and be wound with coil along a first direction, do not have in other teeth portion wound around coil or along with first direction
Opposite second direction is wound with coil.
4. two-phase self-starting switched reluctance machines according to claim 1, which is characterized in that the rotor assembly includes more
A rotor core, the rotor core are in strip.
5. two-phase self-starting switched reluctance machines according to claim 4, which is characterized in that the sum of the stator core
Amount is 2M+2, and the total quantity of rotor core is M+1, and wherein M is positive integer.
6. two-phase self-starting switched reluctance machines according to claim 4, which is characterized in that the stator module further includes
The stator made of non-magnetic material installs cylinder, and the stator core is inlaid on the stator installation cylinder, the rotor
Component further includes being made of non-magnetic material and installing cylinder with the rotor that is coaxially arranged of stator installation cylinder, described turn
Sub- iron core is inlaid on the rotor installation cylinder, and the rotor assembly is inner rotor core, and the diameter of the stator core is inside
The inner radial surface that cylinder is installed on surface with the stator flushes；The radially-outer surface of the rotor core is installed with the rotor
The radially-outer surface of cylinder flushes.
7. two-phase self-starting switched reluctance machines according to claim 4, which is characterized in that the stator module further includes
The stator made of non-magnetic material installs cylinder, and the stator core is inlaid on the stator installation cylinder, the rotor
Component further includes being made of non-magnetic material and installing cylinder with the rotor that is coaxially arranged of stator installation cylinder, described turn
Sub- iron core is inlaid on the rotor installation cylinder, and the rotor assembly is outer-rotor structure, and the diameter of the stator core is outside
The radially-outer surface that cylinder is installed on surface with the stator flushes, and the inner radial surface of the rotor core is installed with the rotor
The inner radial surface of cylinder flushes.
8. two-phase self-starting switched reluctance machines according to any one of claim 1 to 7, which is characterized in that described turn
Radial clearance between sub-component and the stator module is constant.
9. two-phase self-starting switched reluctance machines according to claim 4, which is characterized in that the rotor assembly further includes
The multigroup secondary iron core being inlaid on the rotor installation cylinder, and every group of pair iron core is arranged in the edge rotation side of each rotor core
To side.
10. two-phase self-starting switched reluctance machines according to claim 9, which is characterized in that multigroup secondary iron core phase
It is symmetrical for rotation axis.
11. two-phase self-starting switched reluctance machines according to claim 9, which is characterized in that in multigroup secondary iron core
Every group include one or more secondary iron cores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820118639.3U CN207766122U (en) | 2018-01-23 | 2018-01-23 | Two-phase self-starting switched reluctance machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820118639.3U CN207766122U (en) | 2018-01-23 | 2018-01-23 | Two-phase self-starting switched reluctance machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207766122U true CN207766122U (en) | 2018-08-24 |
Family
ID=63181689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820118639.3U Expired - Fee Related CN207766122U (en) | 2018-01-23 | 2018-01-23 | Two-phase self-starting switched reluctance machines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207766122U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108206616A (en) * | 2018-01-23 | 2018-06-26 | 石镇德 | Two-phase self-starting switched reluctance machines |
| CN109687610A (en) * | 2019-01-25 | 2019-04-26 | 石镇德 | Switched reluctance machines |
-
2018
- 2018-01-23 CN CN201820118639.3U patent/CN207766122U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108206616A (en) * | 2018-01-23 | 2018-06-26 | 石镇德 | Two-phase self-starting switched reluctance machines |
| CN109687610A (en) * | 2019-01-25 | 2019-04-26 | 石镇德 | Switched reluctance machines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 Termination date: 20220123 |