CN111030414A - Single-phase cylindrical linear oscillation motor - Google Patents
Single-phase cylindrical linear oscillation motor Download PDFInfo
- Publication number
- CN111030414A CN111030414A CN201911407483.6A CN201911407483A CN111030414A CN 111030414 A CN111030414 A CN 111030414A CN 201911407483 A CN201911407483 A CN 201911407483A CN 111030414 A CN111030414 A CN 111030414A
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- China
- Prior art keywords
- motor
- stator
- ring
- magnetic
- magnetic conductive
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- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
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- 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
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- 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
- H02K1/34—Reciprocating, oscillating or vibrating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Linear Motors (AREA)
Abstract
The invention discloses a single-phase cylindrical linear oscillation motor.A permanent magnet ring is arranged on a motor rotor, so that the effective magnetic flux of the motor is improved; the rotor sleeve made of the non-magnetic-conductive medium effectively reduces the material consumption of the motor iron core; by adopting the stator core with the annular groove inside, the concentric winding coil can be fully embedded in the stator groove, the motor manufacturing process is simplified, and the groove utilization rate is improved; the stator grooves are spaced by the non-magnetic conductive rings, so that the stator core magnetic circuit is divided, a short magnetic circuit is formed, and the propelling force of the motor is increased.
Description
Technical Field
The invention belongs to the technical field of linear motors, and particularly relates to a single-phase cylindrical linear oscillating motor.
Background
The linear motor is a transmission device which can directly and rapidly convert electric energy and mechanical energy generated by linear motion. Because the linear motor does not need an additional device for changing the rotary motion into the linear motion, the structure of the system is greatly simplified, and the mass and the volume are reduced. In the linear driving field, the linear motor can directly drive, and various positioning errors caused by intermediate links can be eliminated. The linear motor has various structures, and as a motor with a special structure, the cylindrical linear motor is the structural evolution of a common rotating motor, the rotating motor is cut open and straightened along the radial direction to obtain a flat linear motor, and then the flat motor is rolled and connected along the direction perpendicular to the linear motion direction to form the cylindrical linear motor.
The winding coils of the cylindrical linear motor and the flat linear motor have great difference, the flat linear motor has simple and firm structure and is convenient to manufacture, but the edge end effect is obvious, and the air gap is large. The winding coil of the cylindrical linear motor is integrally embedded in the groove of the motor stator, the motor winding is a concentric winding and has no end winding, and compared with the flat linear motor, the cylindrical linear motor improves the utilization rate of the winding coil and is beneficial to improving the motor efficiency. However, the cylindrical linear motor in the prior art mainly has the problems of low magnetic flux rate of a motor rotor, low slot utilization rate of a stator groove, low electronic propulsion and the like.
Disclosure of Invention
In view of the above, the present invention provides a single-phase cylindrical linear oscillating motor, which can directly and efficiently convert electrical energy and mechanical energy generated by linear motion.
The invention provides a single-phase cylindrical linear oscillation motor which comprises a motor stator, a motor rotor and a motor bearing 7, wherein the motor stator comprises a motor stator core 1 and a motor stator winding coil 3, and the motor stator winding coil 3 is embedded in a stator groove of the electronic stator core 1 to form a single-phase winding; the motor active cell includes motor active cell sleeve 4, motor active cell sleeve 4 fixed cup joint in outside the motor bearing 7, the motor active cell cup joints inside motor stator, its characterized in that:
the motor stator core 1 is a magnetic conductive medium, the motor stator core 1 comprises a plurality of stator grooves, and the stator grooves are annular grooves and used for embedding annular motor stator winding coils 3; the motor stator core 1 is also provided with a motor non-magnetic conductive ring 2, and the motor non-magnetic conductive ring 2 is fixed between the stator grooves; the non-magnetic conductive circular ring 2 of the motor is a non-magnetic conductive medium;
the motor rotor sleeve 4 is a non-magnetic-conductive medium; the outer side of the motor rotor sleeve 4 is also sleeved with a motor rotor ring 5 and a motor permanent magnet ring 6 at intervals; the motor rotor ring 5 is a magnetic conductive medium; the motor permanent magnet circular rings 6 are magnetized along the axial direction of the motor rotor sleeve 4, and the magnetizing directions of the two adjacent motor permanent magnet circular rings 6 are opposite.
Has the advantages that:
according to the invention, the permanent magnet ring is arranged on the motor rotor, so that the effective magnetic flux of the motor is improved; the rotor sleeve made of the non-magnetic-conductive medium effectively reduces the material consumption of the motor iron core; by adopting the stator core with the annular groove inside, the concentric winding coil can be fully embedded in the stator groove, the motor manufacturing process is simplified, and the groove utilization rate is improved; the stator grooves are spaced by the non-magnetic conductive rings, so that the stator core magnetic circuit is divided, a short magnetic circuit is formed, and the propelling force of the motor is increased.
Drawings
Fig. 1 is a schematic three-dimensional sectional structure diagram of a single-phase cylindrical linear oscillation motor provided by the present invention.
Fig. 2 is a schematic diagram of a two-dimensional cross-sectional structure of a single-phase cylindrical linear oscillation motor provided by the present invention.
Fig. 3 is a schematic view of a magnetizing direction of a permanent magnet ring of a single-phase cylindrical linear oscillation motor provided by the invention.
The motor comprises a motor stator core 1, a motor non-magnetic ring 2, a motor stator winding coil 3, a motor rotor sleeve 4, a motor rotor ring 5, a motor permanent magnet ring 6 and a motor bearing 7.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The invention provides a single-phase cylindrical linear oscillation motor, which comprises a motor stator, a motor rotor and a motor bearing, wherein the motor stator consists of a motor stator core 1 and a motor stator winding coil 3, and the motor stator winding coil 3 is embedded in a stator groove formed in the electronic stator core 1 to form a single-phase winding; the motor rotor comprises a motor rotor sleeve 4, the motor rotor sleeve 4 is fixedly sleeved outside the motor bearing 7, the motor rotor is sleeved inside the motor stator, and a certain gap is reserved between the surface of the motor stator and the surface of the motor rotor. In the single-phase cylindrical linear oscillation motor provided by the invention, a motor stator core 1 is a hollow cylindrical magnetic conductive medium, a plurality of stator grooves are formed in the electronic stator core 1, a motor non-magnetic conductive circular ring 2 is fixedly connected between the stator grooves, the motor non-magnetic conductive circular ring 2 separates the stator grooves, and the motor non-magnetic conductive circular ring 2 is a non-magnetic conductive medium; the motor rotor sleeve 4 is a non-magnetic-conductive medium, and the outer side of the motor rotor sleeve is sleeved with a motor rotor ring 5 and a motor permanent magnet ring 6 at intervals; the motor rotor circular rings 5 are magnetic conductive media, the motor permanent magnet rings 6 are magnetized along the axial direction of the motor rotor sleeve 4, and the magnetizing directions of the two adjacent motor permanent magnet rings 6 are opposite. Wherein, the motor stator winding coil 3 is a pancake coil.
When the motor stator winding coil 3 is not electrified, magnetic flux generated by the permanent magnet ring on the rotor mainly passes through the motor rotor ring 5, an air gap or the motor rotor sleeve 4 to form a closed loop; when the motor stator winding coil 3 is electrified, the motor stator winding coil 3 can generate axial magnetic flux, the magnetic flux drives the magnetic flux generated by the permanent magnet ring to form a closed loop through the motor rotor ring 5, the air gap and the hollow cylindrical motor stator core 1, the motor permanent magnet ring 6 is made of high-permeability materials, the magnetic permeability is high, the magnetic circuit reluctance corresponding to the magnetic flux generated by the permanent magnet ring is small, the magnetic chain of the stator winding interlinkage is large, and the motor can generate large propelling force.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. A single-phase cylindrical linear oscillation motor comprises a motor stator, a motor rotor and a motor bearing (7), wherein the motor stator comprises a motor stator core (1) and a motor stator winding coil (3), and the motor stator winding coil (3) is embedded in a stator groove of the electronic stator core (1) to form a single-phase winding; the motor rotor comprises a motor rotor sleeve (4), the motor rotor sleeve (4) is fixedly sleeved outside the motor bearing (7), and the motor rotor is sleeved inside the motor stator and is characterized in that:
the motor stator core (1) is a magnetic conductive medium, the motor stator core (1) comprises a plurality of stator grooves, and the stator grooves are annular grooves and used for embedding annular motor stator winding coils (3); the motor stator core (1) is also provided with a motor non-magnetic conductive ring (2), and the motor non-magnetic conductive ring (2) is fixed between the stator grooves; the non-magnetic conductive circular ring (2) of the motor is a non-magnetic conductive medium;
the motor rotor sleeve (4) is a non-magnetic-conductive medium; the outer side of the motor rotor sleeve (4) is also sleeved with a motor rotor ring (5) and a motor permanent magnet ring (6) at intervals; the motor rotor ring (5) is a magnetic conductive medium; the motor permanent magnet circular rings (6) are magnetized along the axial direction of the motor rotor sleeve (4), and the magnetizing directions of the two adjacent motor permanent magnet circular rings (6) are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911407483.6A CN111030414A (en) | 2019-12-26 | 2019-12-26 | Single-phase cylindrical linear oscillation motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911407483.6A CN111030414A (en) | 2019-12-26 | 2019-12-26 | Single-phase cylindrical linear oscillation motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111030414A true CN111030414A (en) | 2020-04-17 |
Family
ID=70196429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911407483.6A Pending CN111030414A (en) | 2019-12-26 | 2019-12-26 | Single-phase cylindrical linear oscillation motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111030414A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111786528A (en) * | 2020-07-06 | 2020-10-16 | 湖南大学 | Linear rotation voice coil motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467343A (en) * | 2014-11-27 | 2015-03-25 | 金陵科技学院 | Cylindrical magnetic-pole combined linear generator |
| CN105048764A (en) * | 2015-08-12 | 2015-11-11 | 兰州空间技术物理研究所 | Single-phase cylindrical switch-reluctance linear motor |
| CN105048763A (en) * | 2015-08-12 | 2015-11-11 | 兰州空间技术物理研究所 | Single-phase cylindrical linear vibration motor |
-
2019
- 2019-12-26 CN CN201911407483.6A patent/CN111030414A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467343A (en) * | 2014-11-27 | 2015-03-25 | 金陵科技学院 | Cylindrical magnetic-pole combined linear generator |
| CN105048764A (en) * | 2015-08-12 | 2015-11-11 | 兰州空间技术物理研究所 | Single-phase cylindrical switch-reluctance linear motor |
| CN105048763A (en) * | 2015-08-12 | 2015-11-11 | 兰州空间技术物理研究所 | Single-phase cylindrical linear vibration motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111786528A (en) * | 2020-07-06 | 2020-10-16 | 湖南大学 | Linear rotation voice coil motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200417 |
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| WD01 | Invention patent application deemed withdrawn after publication |