CN208241559U - A kind of Lorentz force motor - Google Patents
A kind of Lorentz force motor Download PDFInfo
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- CN208241559U CN208241559U CN201820057029.7U CN201820057029U CN208241559U CN 208241559 U CN208241559 U CN 208241559U CN 201820057029 U CN201820057029 U CN 201820057029U CN 208241559 U CN208241559 U CN 208241559U
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- inner cylinder
- lorentz force
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- 238000004804 winding Methods 0.000 claims abstract description 46
- 239000012530 fluid Substances 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 19
- 229910052802 copper Inorganic materials 0.000 claims description 19
- 239000010949 copper Substances 0.000 claims description 19
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000002245 particle Substances 0.000 description 13
- 230000005284 excitation Effects 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000037361 pathway Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model provides a kind of Lorentz force motor, and the Lorentz force motor includes: stator and rotor；The stator includes stator inner cylinder and stator winding coil, and stator winding coil is set on the outside of stator inner cylinder, and low resistance conductive fluid is filled in stator inner cylinder；The rotor is set among stator inner cylinder, and rotor includes rotor inner shaft and the quadrangle blade being fixed in rotor inner shaft.Due to generating magnetic field using direct current, compared to alternating current, due to not being sine wave, the magnetic pole not changed, therefore it is small to pulse, and does not need complicated contravariant equipment, reduces frequency conversion or commutation component, reduces controller cost；Stator winding is concentratred winding, and coiling is simple, is lasted a long time, and magnetic field strength is big, so that power density is high, mechanical strength is big.
Description
Technical field
The utility model relates to electric motors, especially a kind of Lorentz force motor.
Background technique
Motor is a kind of calutron that electric energy conversion or transmitting are realized according to the law of electromagnetic induction, is used to generate driving
Torque, as the power source of various machinery, common motor has following several now:
Phase asynchronous variable-frequency motor is mainly made of stator, rotor and the air gap between them, logical to stator winding
Toward after three-phase alternating-current supply, rotating excitation field and cutting rotor are generated, obtains torque.But its shortcoming is that turning when running at high speed
Sub- fever phenomenon is serious, and torque drop is obvious in the process, and controller cost is excessively high, and electric quantity consumption is excessive, increases the body of motor
Long-pending and weight.
Permanent magnet synchronous motor is the synchronous motor that synchronous rotary magnetic field is generated by permanent magnet excitation, when stator side is passed through three
Symmetrical electric current, threephase stator electric current generate rotating excitation field in space, are moved in rotor rotating excitation field by electromagnetic force,
Convert electrical energy into kinetic energy.But the disadvantage is that motor in too high or too low temperature, is made in the armature-reaction that dash current generates
Under, in violent mechanical oscillation there may be irreversible demagnetization, i.e. loss of excitation, decline motor performance, or even be not available.
Switched reluctance motor, is a kind of double-salient-pole variable reluctance motor, and the salient pole of stator and rotor is by common
Silicon steel plate stacking forms, and rotor is wound with concentratred winding in stator poles, two windings diametrically both without winding or without permanent magnet
It links up, every winding and magnetic circuit are mutually indepedent, generate electromagnetic torque within the scope of each comfortable certain shaft angle.But the disadvantage is that making an uproar
Sound is big, and noise and vibration are bigger than general motor, and when it is applied to the fields such as automobile, comfort level is difficult to ensure.
Utility model content
The purpose of the utility model is to provide a kind of Lorentz force motors, it is intended to solve current conventional motors pulsation greatly, function
The problem that rate density is low and controller cost is excessively high, realize reduce pulsation, improve power density, and reduce controller at
This.
To reach above-mentioned technical purpose, the utility model provides a kind of Lorentz force motor, comprising:
Stator and rotor；
The stator includes stator inner cylinder and stator winding coil, and stator winding coil is set on the outside of stator inner cylinder,
Low resistance conductive fluid is filled in stator inner cylinder；
The rotor is set among stator inner cylinder, and rotor includes rotor inner shaft and is fixed in rotor inner shaft
Quadrangle blade.
Preferably, the electric current in the stator winding coil is direct current, is generated in stator inner cylinder after being passed through direct current
Axial magnetic field.
Preferably, the electric current in the stator winding coil is alternating current, is generated in stator inner cylinder after being passed through alternating current
Axial magnetic field.
The utility model additionally provides a kind of Lorentz force motor, comprising:
Stator and rotor, the rotor are set among stator inner cylinder；
The rotor includes rotor inner shaft, rotor outer cylinder and several silicon steel sheets and the copper sheet being arranged in rotor inner shaft,
The silicon steel sheet and copper sheet are arranged alternately；
The stator includes stator inner cylinder and stator winding coil, and stator winding coil is set on the outside of stator inner cylinder；
Conductive material is set between the stator inner cylinder and rotor outer cylinder.
Preferably, the conductive material is conductive ball or conductive sponge set.
Preferably, the electric current in the stator winding coil is direct current, is generated in stator inner cylinder after being passed through direct current
Axial magnetic field.
The effect provided in utility model content is only the effect of embodiment, rather than whole effects that utility model is all
Fruit, a technical solution in above-mentioned technical proposal have the following advantages that or the utility model has the advantages that
Compared with prior art, the magnetic field that the utility model utilizes stator winding coil to generate, by stator and rotor
Between apply DC current, and conductive fluid is set in stator interior or silicon steel sheet and copper sheet are set in internal rotor, make stator
The conducting particles of internal conductive fluid or copper sheet generates Lorentz force, driving rotor rotation after electrification.Due to using direct current
Electricity generates magnetic field, compared to alternating current, due to not being sine wave, and the magnetic pole not changed, therefore it is small to pulse, and does not need complexity
Contravariant equipment reduces frequency conversion or commutation component, reduces controller cost；Stator winding is concentratred winding, and coiling is simple,
It lasts a long time, and magnetic field strength is big, so that power density is high, mechanical strength is big.
Detailed description of the invention
Fig. 1 is a kind of Lorentz force electric machine structure top view provided in the utility model embodiment；
Fig. 2 is a kind of Lorentz force motor stator structure schematic diagram provided in the utility model embodiment；
Fig. 3 is a kind of Lorentz force electric machine structure top view provided in the utility model another kind embodiment；
Fig. 4 is Lorentz force motor rotor construction schematic diagram provided in the utility model another kind embodiment；
In figure, 11 stator inner cylinders, 12 stator winding coils, 13 variable resistances, 14A coil power, 14B driving power, 21
Rotor inner shaft, 22 blades, 23 superimposed silicon steel sheets and copper sheet, 23A silicon steel sheet, 23B copper sheet, 24 rotor outer cylinders, 31 low-resistances are led
Electrofluid, 32 conductive materials.
Specific embodiment
In order to clearly illustrate the technical characterstic of this programme, below by specific embodiment, and its attached drawing is combined, to this
Utility model is described in detail.Following disclosure provides many different embodiments or example is used to realize the utility model
Different structure.In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.This
Outside, the utility model can in different examples repeat reference numerals and/or letter.This repetition is in order to simplified and clear
Purpose itself does not indicate the relationship between discussed various embodiments and/or setting.It should be noted that illustrated in the accompanying drawings
Component be not drawn necessarily to scale.The utility model be omitted the description to known assemblies and treatment technology and process to avoid
It is unnecessarily limiting the utility model.
To a kind of Lorentz force motor provided by the utility model embodiment and it is driven by electricity method with reference to the accompanying drawing
It is described in detail.
Embodiment 1:
As shown in Figure 1, the utility model embodiment discloses a kind of Lorentz force motor, comprising: stator and rotor, it is described
Stator includes stator inner cylinder 11 and stator winding coil 12, and stator winding coil 12 is set to 11 outside of stator inner cylinder；It is described
Rotor is set among stator inner cylinder 11, and rotor includes rotor inner shaft 21 and the quadrangle leaf being fixed in rotor inner shaft
Piece 22 is filled with low resistance conductive fluid 31 in stator inner cylinder.
As shown in Fig. 2, stator winding coil is connected into coil power 14A and variable resistance 13, when stator winding coil is logical
After entering direct current, magnetic field is generated around stator, axial magnetic field is specially generated in stator inner cylinder, and magnetic direction is in stator
Stator bottom is directed toward in cylinder at the top of stator, to provide the magnetic field for making its movement under force for the conducting particles in conductive fluid.
It is also connected with variable resistance in the stator winding coil, by controlling the size of resistance, realizes size of current in winding coil
Adjusting, and then adjust stator surrounding magnetic field power.
For the current forms in stator winding coil, it is preferable that be passed through alternating current, contravariant equipment of arranging in pairs or groups, in stator
Axial magnetic field is generated in cylinder, realizes the excitation field in stator.
Driving power 14B is arranged in the rotor inner shaft 21 between conductive electrode, with stator inner cylinder 11, and it is logical to form circuit
Road.After energization, there is voltage difference, thus between stator inner cylinder 11 and rotor inner shaft 21 between stator inner cylinder 11 and rotor inner shaft 21
Conductive fluid in particle electrification, formed energization particle, electric current from stator inner cylinder 11 reach rotor inner shaft 21.According to left hand spiral shell
Rule is revolved, when magnetic field passes through the palm of the hand, four refer to that the direction of thumb is the stress side of energization particle at this time towards current direction
To.Energization particle can generate Lorentz force under the top-down magnetic fields of stator inner cylinder 11, when current direction is in stator
When cylinder 11 is directed toward rotor inner shaft 21, Lorentz force direction be along stator inner cylinder tangential direction, perpendicular to the blade 22 of rotor, from
And blade is pushed to move, blade drives the rotation of rotor inner shaft.
The Lorentz force motor further includes upper end cover and lower cover, is insulating material.
The magnetic field that the utility model embodiment utilizes stator winding coil to generate, it is straight by applying between the stator and the rotor
Galvanic electricity stream, and conductive fluid is set in stator interior, make the conducting particles of the conductive fluid of stator interior, Lip river is generated after electrification
Lun Zili, driving rotor rotation.Due to generating magnetic field using direct current, do not become compared to alternating current due to not being sine wave
The magnetic pole of change, therefore it is small to pulse, and does not need complicated contravariant equipment, reduces component, reduces controller cost；Stator around
Group is concentratred winding, and coiling is simple, lasts a long time, and magnetic field strength is big, so that power density is high, mechanical strength is big.
Embodiment 2:
As shown in figure 3, the utility model embodiment discloses a kind of Lorentz force motor, comprising: stator and rotor, it is described
Rotor is set among stator inner cylinder 11, and the rotor includes rotor inner shaft 21, rotor outer cylinder 24 and is arranged in rotor inner shaft
On several silicon steel sheet 23A and copper sheet 23B, the silicon steel sheet and copper sheet be arranged alternately；The stator include stator inner cylinder 11 with
And stator winding coil 12, stator winding coil are set on the outside of stator inner cylinder；It is set between the stator inner cylinder and rotor outer cylinder
Set conductive material 32.
As shown in figure 4, being arranged alternately silicon steel sheet and copper sheet in rotor inner shaft.Silicon steel sheet magnetic conductivity is strong, compared to copper sheet,
Magnetic field strength loss can be effectively reduced, and copper sheet electric conductivity is strong, it is ensured that electricity is kept between rotor outer cylinder and rotor inner shaft
Road access.
The conductive material being arranged between stator and rotor is conductive ball or conductive sponge set, thus formed stator to turn
Circuit pathways between son, and reduce the friction between stator and rotor.
Stator winding coil is connected into coil power 14A and variable resistance 13, after stator winding coil is passed through direct current,
Magnetic field is generated around stator, axial magnetic field is specially generated in stator inner cylinder, and magnetic direction is in stator inner cylinder from stator
Stator bottom is directed toward at top, so that the conducting particles for copper sheet provides and makes the magnetic field of its movement under force.In the stator winding line
Circle is also connected with variable resistance, by controlling the size of resistance, realizes the adjusting of size of current in winding coil, and then adjust and determine
The power of sub- surrounding magnetic field.
For the current forms in stator winding coil, it is preferable that be passed through alternating current, contravariant equipment of arranging in pairs or groups, in stator
Axial magnetic field is generated in cylinder, realizes the excitation field in stator.
Driving power 14B is arranged in the rotor inner shaft between conductive electrode, with stator inner cylinder, forms circuit pathways.It is logical
After electricity, there is voltage difference between stator inner cylinder and rotor inner shaft, thus the particle electrification in the copper sheet between stator and rotor, shape
At energization particle, electric current flows through rotor outer cylinder from stator inner cylinder and reaches rotor inner shaft.According to left hand helix law, when magnetic field passes through
The palm of the hand, four refer to that the direction of thumb is the Impact direction of energization particle at this time towards current direction.Energization particle exists in copper sheet
In stator inner cylinder under top-down magnetic fields, Lorentz force can be generated, when current direction is that rotor outer cylinder is directed toward in rotor
When axis, Lorentz force direction is along stator inner cylinder tangential direction, so that the sub- inner shaft of copper sheet forced belt turn rotates, to drive
Rotor rotation.
The Lorentz force motor further includes upper end cover and lower cover, is insulating material.
The magnetic field that the utility model embodiment utilizes stator winding coil to generate, it is straight by applying between the stator and the rotor
Galvanic electricity stream, and it is arranged alternately silicon steel sheet and copper sheet in internal rotor, make the conducting particles of copper sheet, Lorentz is generated after electrification
Power, driving rotor rotation.Due to generating magnetic field using direct current, do not change compared to alternating current due to not being sine wave
Magnetic pole, therefore it is small to pulse, and does not need complicated contravariant equipment, reduces component, reduces controller cost；Stator winding is
Concentratred winding, coiling is simple, lasts a long time, and magnetic field strength is big, so that power density is high, mechanical strength is big.
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.
Claims (6)
1. a kind of Lorentz force motor characterized by comprising
Stator and rotor；
The stator includes stator inner cylinder and stator winding coil, and stator winding coil is set on the outside of stator inner cylinder, stator
Low resistance conductive fluid is filled in inner cylinder；
The rotor is set among stator inner cylinder, and rotor includes rotor inner shaft and four sides being fixed in rotor inner shaft
Shape blade.
2. a kind of Lorentz force motor according to claim 1, which is characterized in that the electric current in the stator winding coil
For direct current, axial magnetic field is generated in stator inner cylinder after being passed through direct current.
3. a kind of Lorentz force motor according to claim 1, which is characterized in that the electric current in the stator winding coil
For alternating current, axial magnetic field is generated in stator inner cylinder after being passed through alternating current.
4. a kind of Lorentz force motor characterized by comprising
Stator and rotor, the rotor are set among stator inner cylinder；
The rotor includes rotor inner shaft, rotor outer cylinder and several silicon steel sheets and the copper sheet being arranged in rotor inner shaft, described
Silicon steel sheet and copper sheet are arranged alternately；
The stator includes stator inner cylinder and stator winding coil, and stator winding coil is set on the outside of stator inner cylinder；
Conductive material is set between the stator inner cylinder and rotor outer cylinder.
5. a kind of Lorentz force motor according to claim 4, which is characterized in that the conductive material be conductive ball or
Person's conductive sponge set.
6. a kind of Lorentz force motor according to claim 4, which is characterized in that the electric current in the stator winding coil
For direct current, axial magnetic field is generated in stator inner cylinder after being passed through direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820057029.7U CN208241559U (en) | 2018-01-12 | 2018-01-12 | A kind of Lorentz force motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820057029.7U CN208241559U (en) | 2018-01-12 | 2018-01-12 | A kind of Lorentz force motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208241559U true CN208241559U (en) | 2018-12-14 |
Family
ID=64579299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820057029.7U Active CN208241559U (en) | 2018-01-12 | 2018-01-12 | A kind of Lorentz force motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN208241559U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092485A (en) * | 2018-01-12 | 2018-05-29 | 酒晓波 | A kind of Lorentz force motor and electric drive method |
| CN109759686A (en) * | 2019-03-22 | 2019-05-17 | 哈尔滨工业大学（威海） | A method of resistance spot welding under the action of a controllable rotating magnetic field |
-
2018
- 2018-01-12 CN CN201820057029.7U patent/CN208241559U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092485A (en) * | 2018-01-12 | 2018-05-29 | 酒晓波 | A kind of Lorentz force motor and electric drive method |
| CN109759686A (en) * | 2019-03-22 | 2019-05-17 | 哈尔滨工业大学（威海） | A method of resistance spot welding under the action of a controllable rotating magnetic field |
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