CN116581953A - Horizontal reluctance motor - Google Patents
Horizontal reluctance motor Download PDFInfo
- Publication number
- CN116581953A CN116581953A CN202310292965.1A CN202310292965A CN116581953A CN 116581953 A CN116581953 A CN 116581953A CN 202310292965 A CN202310292965 A CN 202310292965A CN 116581953 A CN116581953 A CN 116581953A
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- CN
- China
- Prior art keywords
- rotor
- stator
- assembly
- silicon steel
- horizontal
- 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.)
- Pending
Links
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 11
- 238000013461 design Methods 0.000 abstract description 20
- 230000026058 directional locomotion Effects 0.000 abstract description 2
- 230000006698 induction Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/02—Synchronous motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
- H02K1/246—Variable reluctance rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Synchronous Machinery (AREA)
Abstract
The invention discloses a horizontal reluctance motor, which is technically characterized by comprising a mounting frame, a rotor assembly and a stator assembly, wherein the rotor assembly comprises a rotor silicon steel sheet, a rotor iron core and a rotating shaft, rotor teeth and a rotor yoke are arranged on the rotor silicon steel sheet, the stator assembly comprises a stator silicon steel sheet and windings, the stator silicon steel sheet comprises a plurality of groups of stator teeth and stator yokes, and when tooth tops of the rotor teeth and tooth tops of the stator teeth are in a right-facing state, magnetic pole center lines are coincident; when the rotor assembly is stressed to rotate by a certain angle, magnetic force lines are skewed to generate tangential magnetic resistance moment, so that the rotor assembly rotates, the horizontal reluctance motor adopts brushless permanent magnet-free design and self-heat-dissipation design, has small integral temperature rise, can continuously work, has long service life, is electrified with weak current, and when an external force drives the motor rotor to do directional motion, rotor teeth generate induction current output under the action of magnetic resistance on the stator coil, so that the horizontal motor has the function of a generator.
Description
Technical Field
The present invention relates to a reluctance motor, and more particularly, to a horizontal reluctance motor.
Background
The horizontal motor used in the market at present is mainly divided into a brush motor and a brushless motor. On the one hand, the brushless motor is most commonly used as a permanent magnet synchronous motor, and compared with a brush motor, the brushless motor has the advantages of more stable performance, higher power density and higher overall cost, wherein the permanent magnet is taken as an indispensable part of the permanent magnet synchronous motor to occupy the big end of the overall cost of the motor, and becomes a main reason that the price of the permanent magnet synchronous motor is high.
On the other hand, the three-phase asynchronous motor in the brush motor has the most extensive application, and has the main advantages of mature technology, strong universality and lower overall cost, and has the problems of relatively complex structure, abrasion and frequent replacement can occur when the brush motor runs for a long time due to the existence of a carbon brush and a commutator, meanwhile, the energy conversion efficiency of the brush motor is lower, the dynamometer curve is parabolic, and the maximum efficacy of the motor can be exerted only near rated power; in addition, the permanent magnet synchronous motor is designed, and the rotor is designed to be a permanent magnet, so that scrap iron is easily absorbed in the running process of the motor to cause abnormal abrasion of the motor to damage the motor, and in addition, the permanent magnet is easily demagnetized at high temperature or under impact to cause damage to the motor.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a horizontal reluctance motor which adopts brushless and permanent magnet-free design, has simple structure, stable operation, high temperature resistance and low noise, adopts self-heat dissipation design, has small overall temperature rise, can continuously work and has long service life.
In order to achieve the above purpose, the present invention provides the following technical solutions: the horizontal reluctance motor comprises a mounting frame, a rotor assembly and a stator assembly, wherein the rotor assembly and the stator assembly are both arranged in the mounting frame;
the rotor assembly comprises a rotor silicon steel sheet, a rotor iron core and a rotating shaft, wherein rotor teeth and rotor yokes are equidistantly arranged on the rotor silicon steel sheet along the circumferential direction of the rotor silicon steel sheet, and the rotor teeth and the rotor yokes are sequentially arranged at intervals;
the stator assembly comprises stator silicon steel sheets and windings, wherein the stator silicon steel sheets comprise a plurality of groups of stator teeth and stator yokes, the stator teeth are used for winding the windings, the stator yokes are used for connecting the stator teeth on two sides, and when tooth tops of the rotor teeth are in a right-facing state with tooth tops of the stator teeth, magnetic pole center lines are overlapped;
when the rotor assembly is forced to rotate by a certain angle, magnetic force lines are skewed to generate tangential magnetic resistance moment, so that the rotor assembly rotates.
In summary, the invention has the following beneficial effects: 1. the carbon brush-free design is adopted, the structure is simple, and the operation is stable;
2. the permanent magnet-free design is adopted, so that the high-temperature resistance and the service life are long;
3. the direct drive type design is adopted, the output torque of the motor is directly used for doing work, and the energy loss is low;
4. adopting modularized design, optimizing the processing technology, and stabilizing the product quality;
5. the self-heat-dissipation design is adopted, so that the motor has small temperature rise and can work continuously;
6. can be used as a generator to recover energy.
Drawings
FIG. 1 is a schematic diagram of a split structure of a horizontal reluctance motor;
FIG. 2 is a schematic illustration of a separation structure of a stator assembly;
FIG. 3 is a schematic illustration of a separation configuration of a rotor assembly;
fig. 4 is a schematic perspective view of a horizontal reluctance motor.
Reference numerals: 11. a rear end cover; 12. a stator fixing frame; 13. a front end cover; 14. a bottom plate; 15. the shaft end protecting cover; 2. a rotor assembly; 21. rotor silicon steel sheet; 22. rotor teeth; 23. a rotor yoke; 24. a rotor positioning pin; 25. a rotor core; 26. a rotating shaft; 3. a stator assembly; 31. stator silicon steel sheet; 32. a winding; 33. stator teeth; 34. a stator yoke; 35. a stator positioning pin; 4. a shaft end retainer ring; 41. a lock nut; 42. a bearing; 43. an iron core fixing plate; 44. and (3) a blade.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
Referring to fig. 1 to 4, in order to achieve the above object, the present invention provides the following technical solutions: the horizontal reluctance motor comprises a mounting frame, a rotor assembly 2 and a stator assembly 3, wherein the rotor assembly 2 and the stator assembly 3 are both arranged in the mounting frame;
the rotor assembly 2 comprises a rotor silicon steel sheet 21, a rotor iron core 25 and a rotating shaft 26, wherein the rotor iron core 25 is detachably arranged in the rotor silicon steel sheet 21, and the rotating shaft 26 is detachably arranged in the rotor iron core 25;
rotor silicon steel sheet 21 is provided with rotor teeth 22 and rotor yokes 23 along the circumferential direction at equal intervals, and rotor teeth 22 and rotor yokes 23 are arranged at intervals in sequence;
the stator assembly 3 comprises a stator silicon steel sheet 31 and windings 32, wherein the stator silicon steel sheet 31 comprises a plurality of groups of stator teeth 33 and stator yokes 34, the stator teeth 33 are used for winding the windings 32, the stator yokes 34 are used for connecting the stator teeth 33 on two sides, and when the tooth tops of the rotor teeth 22 and the tooth tops of the stator teeth 33 are in a right-facing state, the magnetic pole center lines are coincident;
when the rotor assembly 2 is forced to rotate a certain angle, the magnetic force lines are skewed to generate tangential magnetic resistance moment, so that the rotor assembly 2 rotates.
According to the design of the invention, torque is generated according to the 'magnetic resistance minimum principle', when the tooth top of the rotor tooth 22 and the tooth top of the stator tooth 33 of the reluctance motor are in a right-facing state during operation, the magnetic pole center lines are superposed, but when the rotor assembly 2 rotates by a certain angle, magnetic force lines are skewed, and the magnetic resistance of a magnetic force line closed loop is minimum, so that tangential magnetic resistance moment is generated, and the rotor assembly 2 rotates under the action of the magnetic resistance moment to strive for returning to the superposed state of the magnetic pole center lines. When the stator assembly 3 is in three-phase or two-phase or single-phase capacitor split-phase operation, a rotating magnetic field is generated in the space of the stator assembly 3, the rotation of the rotating magnetic field is equivalent to the rotation of the magnetic poles of the stator assembly 3, and the magnetic force lines are necessarily in a skew state between the magnetic poles of the stator assembly 3 and the rotor assembly 2 in a state that the rotor assembly 2 is not moving, so that a magnetic resistance moment is generated, and the rotor assembly 2 rotates along the direction of the rotating magnetic field under the action of the magnetic resistance moment.
When weak current is introduced into the stator assembly 3 and the motor rotor is driven by external force to do directional motion, the rotor teeth 22 generate induction current output on the stator coil under the action of magnetic resistance, so that the horizontal motor has the function of a generator. Experiments prove that the horizontal reluctance motor can realize high efficiency, low rotation speed and large torque output, the overall running state is stable and mute, and the overall energy consumption is greatly reduced compared with the traditional horizontal motor by experimental analysis and simulation measurement, and the average energy saving is more than 15%.
According to the characteristic that the power curve of the reluctance motor can keep larger torque and higher efficiency at low rotation speed, the direct drive design can be adopted, and the energy conversion efficiency is further improved.
The stator assembly 3 further comprises a plurality of stator positioning pins 35, and the stator silicon steel sheets 31 are stacked and fixed through the stator positioning pins 35.
The rotor assembly 2 further comprises rotor positioning pins 24, a plurality of rotor silicon steel sheets 21 are arranged, and the rotor positioning pins 24 are overlapped and fixed;
the stator silicon steel sheet 31 and the rotor silicon steel sheet 21 are arranged in the same direction.
The direct drive type design is adopted, the output torque of the motor is directly used for doing work, and the energy loss is low.
The rotor assembly 2 further comprises a front mounting assembly and a rear mounting assembly;
the front mounting assembly and the rear mounting assembly are mounted to both ends of the rotor core 25, respectively.
The stator and rotor iron cores 25 are split and recombined into a module structurally by adopting a modularized design, so that the processing technology is optimized, the product quality is controllable, the processing cost and the processing period are reduced, and the competitive advantage of the product is improved.
The front mounting assembly and the rear mounting assembly comprise shaft end check rings 4, locking nuts 41 and bearings 42;
one end of the bearing 42 is disposed in cooperation with the rotary shaft 26, and the other end is disposed in cooperation with the mounting bracket.
As shown in fig. 3, a stop washer is also provided in the front mounting assembly between the lock nut 41 and the bearing 42.
The rear mounting member further includes an iron core fixing plate 43, and the iron core fixing plate 43 is used for mounting the rotor core 25;
a sleeve is further provided between the core fixing plate 43 and the bearing 42.
The design of the shaft end retainer ring 4, the lock nut 41, the bearing 42 and the iron core fixing plate 43 can realize stable fixing and mounting effects on the rotor assembly 2 and the stator assembly 3.
The mounting bracket includes rear end cover 11, stator mount 12, front end cover 13 and bottom plate 14, and stator mount 12 is provided with two to be located the front and back both ends of stator module 3 respectively.
The rear end cover 11 serves as a rear end cover 11 of the entire motor for sealing the motor and supporting the rotary shaft 26.
The stator mount 12 is used for mounting and securing the stator assembly 3 of the reluctance motor.
The front end cover 13 serves as a front end cover 13 of the whole motor for sealing the motor and supporting the rotating shaft 26.
The bottom plate 14 supports the reluctance motor from the middle, preventing the reluctance motor from being deformed.
The mounting frame further comprises a shaft end protection cover 15, and the shaft end protection cover 15 is arranged at one end of the rear end cover 11 far away from the rotor assembly 2.
The shaft end protecting cover 15 is used for protecting the rotor and also preventing the operator from touching by mistake.
Vanes 44 are also provided in the mounting frame for dissipating heat from the reluctance motor. The rotor assembly (rotor silicon steel sheet 21) adopts a hollow tooth-shaped structure design, so that the self heat dissipation effect is improved, and the rotor end is provided with the blade 44 for assisting heat dissipation, so that the temperature rise of the motor is small, and the continuous working time is long.
The following effects are achieved:
1. the carbon brush-free design is adopted, the structure is simple, and the operation is stable;
2. the permanent magnet-free design is adopted, so that the high-temperature resistance and the service life are long;
3. the direct drive type design is adopted, the output torque of the motor is directly used for doing work, and the energy loss is low;
4. adopting modularized design, optimizing the processing technology, and stabilizing the product quality;
5. the self-heat-dissipation design is adopted, so that the motor has small temperature rise and can work continuously;
6. can be used as a generator to recover energy.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (9)
1. A horizontal reluctance motor is characterized in that: the motor comprises a mounting frame and a rotor assembly (2) and a stator assembly (3), wherein the rotor assembly (2) and the stator assembly (3) are both arranged in the mounting frame;
the rotor assembly (2) comprises rotor silicon steel sheets (21), a rotor iron core (25) and a rotating shaft (26), wherein rotor teeth (22) and rotor yokes (23) are equidistantly arranged on the rotor silicon steel sheets (21) along the circumferential direction of the rotor silicon steel sheets, and the rotor teeth (22) and the rotor yokes (23) are sequentially arranged at intervals;
the stator assembly (3) comprises stator silicon steel sheets (31) and windings (32), the stator silicon steel sheets (31) comprise a plurality of groups of stator teeth (33) and stator yokes (34), the stator teeth (33) are used for winding the windings (32), the stator yokes (34) are used for connecting the stator teeth (33) on two sides, and when tooth tops of the rotor teeth (22) and tooth tops of the stator teeth (33) are in a right-facing state, magnetic pole center lines are overlapped;
when the rotor assembly (2) is stressed to rotate a certain angle, magnetic force lines are skewed to generate tangential magnetic resistance moment, so that the rotor assembly (2) rotates.
2. A horizontal reluctance machine according to claim 1, characterized in that: the stator assembly (3) further comprises stator positioning pins (35), and a plurality of stator silicon steel sheets (31) are arranged and are overlapped and fixed through the stator positioning pins (35).
3. A horizontal reluctance machine according to claim 2, characterized in that: the rotor assembly (2) further comprises rotor positioning pins (24), and a plurality of rotor silicon steel sheets (21) are arranged and are overlapped and fixed through the rotor positioning pins (24);
the stator silicon steel sheets (31) and the rotor silicon steel sheets (21) are arranged in the same direction.
4. A horizontal reluctance machine according to claim 1, characterized in that: the rotor assembly (2) further comprises a front mounting assembly and a rear mounting assembly, and the front mounting assembly and the rear mounting assembly are respectively mounted at two ends of the rotor core (25).
5. The horizontal reluctance machine according to claim 4, wherein: the front mounting assembly and the rear mounting assembly comprise shaft end check rings (4), locking nuts (41) and bearings (42);
one end of the bearing (42) is matched with the rotating shaft (26), and the other end of the bearing is matched with the mounting frame.
6. A horizontal reluctance machine according to claim 5, wherein: the rear mounting piece further comprises an iron core fixing plate (43), and the iron core fixing plate (43) is used for mounting the rotor iron core (25).
7. A horizontal reluctance machine according to claim 1, characterized in that: the mounting frame comprises a rear end cover (11), a stator fixing frame (12), a front end cover (13) and a bottom plate (14), wherein the two stator fixing frames (12) are arranged and are respectively positioned at the front end and the rear end of the stator assembly (3).
8. A horizontal reluctance machine according to claim 7, characterized in that: the mounting frame further comprises an axle end protection cover (15), and the axle end protection cover (15) is mounted at one end of the rear end cover (11) far away from the rotor assembly (2).
9. A horizontal reluctance machine according to claim 1, characterized in that: a blade (44) is also arranged in the mounting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310292965.1A CN116581953A (en) | 2023-03-23 | 2023-03-23 | Horizontal reluctance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310292965.1A CN116581953A (en) | 2023-03-23 | 2023-03-23 | Horizontal reluctance motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116581953A true CN116581953A (en) | 2023-08-11 |
Family
ID=87532927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310292965.1A Pending CN116581953A (en) | 2023-03-23 | 2023-03-23 | Horizontal reluctance motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116581953A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118017758A (en) * | 2024-04-08 | 2024-05-10 | 江苏优驱机电科技有限公司 | Reluctance motor and working method thereof |
-
2023
- 2023-03-23 CN CN202310292965.1A patent/CN116581953A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118017758A (en) * | 2024-04-08 | 2024-05-10 | 江苏优驱机电科技有限公司 | Reluctance motor and working method thereof |
| CN118017758B (en) * | 2024-04-08 | 2024-06-18 | 江苏优驱机电科技有限公司 | Reluctance motor and working method thereof |
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