CN206412845U - A kind of permanent magnetism becomes magnetic flux buncher - Google Patents
A kind of permanent magnetism becomes magnetic flux buncher Download PDFInfo
- Publication number
- CN206412845U CN206412845U CN201621477503.9U CN201621477503U CN206412845U CN 206412845 U CN206412845 U CN 206412845U CN 201621477503 U CN201621477503 U CN 201621477503U CN 206412845 U CN206412845 U CN 206412845U
- Authority
- CN
- China
- Prior art keywords
- magnetic yoke
- conductive magnetic
- rotor
- main shaft
- yoke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model provides a kind of permanent magnetism and becomes magnetic flux buncher, including stator, rotor, shell, main shaft, drive end bearing bracket and rear end cap, stator is fixedly mounted in shell, rotor is arranged on main shaft, and main shaft is fixedly mounted on drive end bearing bracket and rear end cap by bearing, and stator winding is wound with the wire casing of stator, also include conductive magnetic yoke and conductive magnetic yoke axial-adjustment unit, conductive magnetic yoke and rotor coaxial are set, and conductive magnetic yoke is located at the outside of rotor, and conductive magnetic yoke is arranged on conductive magnetic yoke axial-adjustment unit.The beneficial effects of the utility model are the excellent properties that the motor has AC induction motor, can itself speed governing under the conditions of power frequency, compared with traditional AC motor, the process without secondary speed control saves equipment investment, also saves the electric energy of autophage.
Description
Technical field
The utility model belongs to electric motors, and magnetic flux buncher is become more particularly, to a kind of permanent magnetism.
Background technology
In existing technology, the permanent magnetic speed-adjusting technology occurred in recent years, which is one, can substitute the new technology of frequency converter,
It is specific to the practical technique of the centrifugal load variable speed energy savings such as blower fan, pump class.It has energy-efficient, high reliability, can be empty
Carry start, without being rigidly connected, transmission thus operates steadily at moment of torsion, can apply in the presence of a harsh environment, greatly reduce system vibration,
The features such as reducing system maintenance and extension system service life, does not especially produce higher hamonic wave and does not cause motor under the low speed
The excellent governor control characteristics of heating more becomes the preferred speed control device that blower fan, load of the pumps carry out energy saving technical reconstruction.
Ac motor is widely used because it has many performances, but much need speed governing operation occasion it
Again by using limit, traditional permanent magnetic speed-adjusting driver with its prime mover --- three-phase AC asynchronous motor is separate
Two parts, they are linked together by arbor, so including the biography of phase asynchronous electronic and permanent magnetic speed-adjusting driver
System permanent-magnetic speed regulation driving system has that complicated, volume is big, material usage is more, manufacturing cost is high, axial length length, occupation of land face
The technical deficiency such as product is big, mechanical loss is big.
The content of the invention
Problem to be solved in the utility model is to provide a kind of permanent magnetism and becomes magnetic flux buncher, is especially suitable for existing exchange
Motor under power-frequency voltage can not direct speed governing situation, to overcome such a situation, the utility model provides a kind of permanent magnetism and become
Magnetic flux buncher, motor itself being capable of speed governing, and simple in construction, less energy consumption.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of permanent magnetism becomes magnetic flux speed governing electricity
Machine, including stator, rotor, shell, main shaft, drive end bearing bracket and rear end cap, stator are fixedly mounted in shell, and rotor is arranged on main shaft
On, main shaft is fixedly mounted on drive end bearing bracket and rear end cap by bearing, and stator winding, in addition to magnetic conduction are wound with the wire casing of stator
Yoke and conductive magnetic yoke axial-adjustment unit, conductive magnetic yoke and rotor coaxial are set, and conductive magnetic yoke is located at the outside of rotor, and conductive magnetic yoke is arranged on
On conductive magnetic yoke axial-adjustment unit.
Wherein, the material of conductive magnetic yoke is soft magnetic materials.Conductive magnetic yoke axial-adjustment unit include screw set, angular wheel group and
Inside engaged gear, screw set is coaxially disposed through main shaft and with main shaft, and screw set is contactless with main shaft, and screw set is fixedly mounted on
On drive end bearing bracket, conductive magnetic yoke is movably arranged on screw set, and horizontal angular wheel is arranged on drive end bearing bracket in angular wheel group, vertical cone
Shape gear is arranged on shell, horizontal taper gear and the engagement of vertical taper gear, and Inner gears are bored with level in inside engaged gear
Shape gear is coaxially disposed, and external gear is arranged on end face of the conductive magnetic yoke away from described rotor.Conductive magnetic yoke is close to one end of rotor
Provided with the annular groove coaxial with conductive magnetic yoke.Conductive magnetic yoke is collar plate shape.
The utility model has the advantages and positive effects of：Due to using above-mentioned technical proposal, electric machine speed regulation is more square
Just, the motor not only has the excellent properties of alternating current generator, while can be in itself speed governing under power-frequency voltage, with ac motor
The situation of secondary speed control is needed to compare, easy to maintenance with simple in construction, the low advantage of processing cost not only saves equipment throwing
Money and operating cost, and electric energy is saved, reduce the requirement to environment；Magnetic between stator and rotor is changed by conductive magnetic yoke
The change of flux and then the speed governing for carrying out motor, can reduce the electric current of motor in underloading or zero load, improve power factor, carry
High workload efficiency；Conductive magnetic yoke is simple in construction, and the space taken in motor is small, will not increase the volume of motor.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：
1st, rear bearing gland 2, rear bearing 3, rear end cap
4th, stator winding 5, shell 6, stator
7th, rotor 8, conductive magnetic yoke 9, vertical taper gear
10th, horizontal taper gear 11, screw set 12, fore bearing
13rd, main shaft 14, front axle pressure cap 15, drive end bearing bracket
16th, internal gear 17, external gear
Embodiment
The utility model is described further with reference to the accompanying drawings and detailed description.
As shown in figure 1, the utility model, which provides a kind of permanent magnetism, becomes magnetic flux buncher, including stator 6, rotor 7, shell
5th, main shaft 13, drive end bearing bracket 15 and rear end cap 3, stator 6 are fixedly mounted on 5 in shell, and rotor 7 is arranged on main shaft 13, and main shaft 13 leads to
Cross fore bearing 12 and rear bearing 2 is fixedly mounted on drive end bearing bracket 15 and rear end cap 3, drive end bearing bracket 15 and rear end cap 3 are separately mounted to
The two ends of shell 5, the outside of fore bearing 12 is equipped with front axle pressure cap 14, and the outside of rear bearing 2 is equipped with rear bearing gland 1, stator 7
Wire casing in be wound with stator winding 4, in addition to conductive magnetic yoke 8 and conductive magnetic yoke axial-adjustment unit, conductive magnetic yoke 8 and rotor 7 are coaxially set
Put, conductive magnetic yoke 8 is located at the outside of rotor 7, conductive magnetic yoke 8 is arranged on conductive magnetic yoke axial-adjustment unit.Conductive magnetic yoke 8 passes through conductive magnetic yoke
Axial-adjustment unit can realize that conductive magnetic yoke 8 is movable along main shaft 13.Conductive magnetic yoke axial-adjustment unit include screw set 11,
Angular wheel group and inside engaged gear, angular wheel group include vertical taper gear 9 and horizontal taper gear 10, and screw set 11 is worn
Cross main shaft 13 and be coaxially disposed with main shaft 13, screw set 11 and main shaft 13 are contactless, and screw set 11 is fixedly mounted on drive end bearing bracket 15
On, conductive magnetic yoke 8 is movably arranged on screw set 11, and conductive magnetic yoke 8 and screw set 11 constitute level in one group of lead screw pair, angular wheel group
Angular wheel 10 is coaxially disposed with the internal gear 16 in inside engaged gear, and external gear 17 is arranged on end of the conductive magnetic yoke 8 away from rotor 7
On face, external gear 17 and conductive magnetic yoke 8 are coaxially disposed, and vertical taper gear 9 is arranged on shell 5, and horizontal taper gear 10 is with hanging down
Straight-tapered gear 9 intermeshes.By rotating the rotating handles 11 being located at outside shell 5 of vertical taper gear 9, make vertical taper
Gear 9 is rotated, engagement and characteristic by angular wheel so that horizontal taper gear 10 is rotated, and horizontal taper gear 10 is rotated
Drive internal gear 16 rotate, internal gear 16 is engaged with external gear 17, external gear 17 drive conductive magnetic yoke 8 rotate, conductive magnetic yoke 8 by with
The screw-driven of screw set 11 is realized movable.
Conductive magnetic yoke 8 can also carry out by other means it is axial move forward and backward, can be using the side such as external rack-and-pinion
Formula control conductive magnetic yoke 8 is moved forward and backward along main shaft.Can also carry out speed governing using electric pole device, the software configuration of speed governing takes
Technological requirement electric signal is moved to the purpose of speed governing by electric pole promotion conductive magnetic yoke to electric pole device.
Conductive magnetic yoke 8 refers to itself not produce magnetic field, the soft magnetic materials that the magnetic line of force is transmitted simply is played in magnetic circuit, in this reality
Apply in example, conductive magnetic yoke 8 is shaped as collar plate shape, its diameter close to rotor 7 external diameter, according to the principle that magnetic resistance is minimum, magnetic force
Line always levels off to the minimum heat source of magnetic resistance and passed through, and therefore, by setting conductive magnetic yoke 8, sets up a He of magneto resistive ratio stator 6
Smaller, the new magnetic flux path of the magnetic resistance of magnetic circuit between rotor 7, i.e. magnetic flux by rotor 7, is led from the N poles of rotor 7
Yoke 8 is returned to the S poles of rotor 7, and the transmission of torque is not involved in by the magnetic flux of the magnetic flux path, belongs to invalid magnetic flux；And lead to
The magnetic flux crossed between stator 6 and rotor 7, participates in the transmission of torque, is useful flux, by adjusting by the newly-built magnetic of conductive magnetic yoke 8
Path being opened and turning off, and can adjust the size by the useful flux between rotor 7 and stator 6, finally realize torque and
The regulation of rotating speed.
Conductive magnetic yoke 8 close to one end of rotor 7 be provided with the annular groove coaxial with conductive magnetic yoke 8, with avoid conductive magnetic yoke 8 this break
Vortex flow is produced on face.It is preferred that, the material of the conductive magnetic yoke 8 is soft magnetic materials, except soft magnetic materials can also be silicon-steel sheet coiled
Around into.
When conductive magnetic yoke 8 is moved to the direction of rotor 7, the distance between conductive magnetic yoke 8 and rotor 7 can reach minimum, most narrow spacing
Determined from according to the actual power of motor, when being moved when conductive magnetic yoke 8 to the direction away from rotor 7, between conductive magnetic yoke 8 and rotor 7
Distance can reach maximum, ultimate range is determined according to the actual power of motor.When conductive magnetic yoke 8 moves to ultimate range, magnetic conduction
Air gap between yoke 8 and rotor 7 is larger, and the magnetic resistance of magnetic circuit is maximum, therefore seldom by the magnetic flux of the magnetic circuit, the magnetic flux overwhelming majority
The magnetic field between stator 6 and rotor 7 is supplied to, the transmission of torque is carried out, now torque maximum；When conductive magnetic yoke 8 is slowly to rotor 7
During motion, the air gap between conductive magnetic yoke 8 and rotor 7 slowly diminishes, and now the magnetic resistance of newly-established magnetic circuit is tapered into, by this
The magnetic flux of magnetic circuit gradually increases, at the same time there is provided slowly being reduced to the magnetic flux between stator 6 and rotor 7, the torque transmitted
Also reduced therewith with rotating speed；When conductive magnetic yoke 8 moves to minimum range, the air gap between conductive magnetic yoke 8 and rotor 7 reaches minimum,
Now the magnetic resistance of newly-established magnetic circuit is minimum, and there is provided between stator 6 and rotor 7 all by the magnetic circuit for almost all magnetic flux
Magnetic flux is almost nil, now no longer carries out the transmission of torque, now rotating speed is zero.
Operating fields are adjusted using conductive magnetic yoke 8 for the utility model, that is, provide the smaller magnetic circuit of an other magnetic resistance,
And the magnetic flux path can very easily be realized and turned on and off, and then realize the regulation to operating fields intensity.Avoid friendship
The situation of secondary speed control is carried out again after stream motor full speed running, it is to avoid complicated speed adjusting gear so that whole electric machine structure is more
Step up to gather, repeatable, adjustable, controllable output torque and rotating speed can be realized, the purpose of variable speed energy saving is realized.
The utility model has the advantages and positive effects of：Due to using above-mentioned technical proposal, electric machine speed regulation is more square
Just, the motor not only has the excellent properties of alternating current generator, while can be in itself speed governing under power-frequency voltage, with ac motor
The situation of secondary speed control is needed to compare, easy to maintenance with simple in construction, the low advantage of processing cost not only saves equipment throwing
Money and operating cost, and electric energy is saved, reduce the requirement to environment；Magnetic between stator and rotor is changed by conductive magnetic yoke
The change of flux and then the speed governing for carrying out motor, can reduce the electric current of motor in underloading or zero load, improve power factor, carry
High workload efficiency；Conductive magnetic yoke is simple in construction, and the space taken in motor is small, will not increase the volume of motor.
One embodiment of the present utility model is described in detail above, but the content is only of the present utility model
Preferred embodiment, it is impossible to be considered as being used to limit practical range of the present utility model.It is all to be made according to present utility model application scope
Equivalent change with improve etc., all should still belong within patent covering scope of the present utility model.
Claims (5)
1. a kind of permanent magnetism becomes magnetic flux buncher, including stator, rotor, shell, main shaft, drive end bearing bracket and rear end cap, described
Stator is fixedly mounted in the shell, and described rotor is fixedly mounted on described main shaft, and the main shaft is solid by bearing
Dingan County is wound with stator winding, its feature exists on described drive end bearing bracket and described rear end cap in the wire casing of described stator
In：Also include conductive magnetic yoke and conductive magnetic yoke axial-adjustment unit, described conductive magnetic yoke and described rotor coaxial are set, and described leads
Yoke is located at the outside of the rotor, and the conductive magnetic yoke is arranged on the conductive magnetic yoke axial-adjustment unit.
2. permanent magnetism according to claim 1 becomes magnetic flux buncher, it is characterised in that：Described conductive magnetic yoke is adjusted axially
Device includes screw set, angular wheel group and inside engaged gear, and the screw set passes through the main shaft and coaxial with the main shaft
Set, the screw set and the main shaft are contactless, and the screw set is fixedly mounted on the drive end bearing bracket, the conductive magnetic yoke is lived
Dynamic horizontal angular wheel is arranged on described drive end bearing bracket in described angular wheel group on the screw set, vertical cone
Shape gear is arranged on described shell, the horizontal taper gear and vertical taper gear engagement, described internal messing
Inner gears are coaxially disposed with described horizontal taper gear in gear, and external gear is arranged on described conductive magnetic yoke and turned away from described
On the end face of son.
3. permanent magnetism according to claim 1 or 2 becomes magnetic flux buncher, it is characterised in that：Described permeable yoke material
For soft magnetic materials.
4. permanent magnetism according to claim 1 or 2 becomes magnetic flux buncher, it is characterised in that：Described conductive magnetic yoke is close
One end of the rotor is provided with the annular groove coaxial with the conductive magnetic yoke.
5. permanent magnetism according to claim 1 or 2 becomes magnetic flux buncher, it is characterised in that：Described conductive magnetic yoke is circle
Dish-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621477503.9U CN206412845U (en) | 2016-12-30 | 2016-12-30 | A kind of permanent magnetism becomes magnetic flux buncher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621477503.9U CN206412845U (en) | 2016-12-30 | 2016-12-30 | A kind of permanent magnetism becomes magnetic flux buncher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206412845U true CN206412845U (en) | 2017-08-15 |
Family
ID=59552652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621477503.9U Active CN206412845U (en) | 2016-12-30 | 2016-12-30 | A kind of permanent magnetism becomes magnetic flux buncher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206412845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322840A (en) * | 2018-08-12 | 2019-02-12 | 西安交通大学 | A kind of centrifugal coolant pump |
-
2016
- 2016-12-30 CN CN201621477503.9U patent/CN206412845U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322840A (en) * | 2018-08-12 | 2019-02-12 | 西安交通大学 | A kind of centrifugal coolant pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105703585B (en) | Winding type is brushless coupling transmission device | |
| WO2012116572A1 (en) | Combined torque asynchronous variable-speed motor | |
| CN206412845U (en) | A kind of permanent magnetism becomes magnetic flux buncher | |
| CN204013092U (en) | A kind of wide voltage motors | |
| CN204615599U (en) | A kind of permanent-magnet speed governor | |
| CN104883030B (en) | Novel permanent magnet speed regulator using rotary salient pole to adjust magnetic flux | |
| CN203984195U (en) | The special three-phase asynchronous motor of a kind of YVF3 series ultra high efficiency frequency control | |
| CN104795934B (en) | Water-cooling type permanent-magnetic energy-saving buncher | |
| CN104767331B (en) | A kind of movable stator formula is from speed governing magneto | |
| CN207117459U (en) | Half side self-excitation type permanent-magnet speed governor | |
| CN204012962U (en) | A kind of asynchronous voltage and frequency motor | |
| CN104767322B (en) | A kind of motor speed control device being controlled rotating speed by the adjustment magnetic line of force | |
| CN203522497U (en) | Non-wear induction speed-reduction variable-speed motor | |
| CN204794557U (en) | Energy -conserving buncher of water -cooling type permanent magnetism | |
| CN103441584A (en) | Three-phase asynchronous motor with movable stator | |
| CN203800797U (en) | Cylindrical turnplate permanent magnetic coupler | |
| CN106941296A (en) | A kind of heat sink of electric mover twin coil | |
| CN202059304U (en) | Scooter direct current brushless motor with large length-diameter ratio | |
| CN2128800Y (en) | Travel stator stepless speed regulating induction motor | |
| CN103401324A (en) | Permanent magnet motor | |
| CN202309449U (en) | Permanent magnet motor with power from 110KW to 250KW | |
| CN104901508B (en) | A kind of Linear-rotation permanent-magnet actuator and control method using consequent pole structure | |
| CN204392133U (en) | Energy-saving electrical machine driving control device | |
| CN204597740U (en) | A kind of movable stator formula is from speed governing magneto | |
| CN206117411U (en) | Generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |