CN113949178A - Coaxial double-paddle rotor salient pole motor propulsion power system structure - Google Patents
Coaxial double-paddle rotor salient pole motor propulsion power system structure Download PDFInfo
- Publication number
- CN113949178A CN113949178A CN202111153212.XA CN202111153212A CN113949178A CN 113949178 A CN113949178 A CN 113949178A CN 202111153212 A CN202111153212 A CN 202111153212A CN 113949178 A CN113949178 A CN 113949178A
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- China
- Prior art keywords
- rotor
- stator
- salient pole
- power system
- coaxial double
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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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Links
- 239000004020 conductor Substances 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000004907 flux Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 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
- 229920000642 polymer Polymers 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
- B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
-
- 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
-
- 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
Abstract
The invention discloses a coaxial double-paddle rotor salient pole motor propulsion power system structure, which comprises a stator and a rotor, wherein the stator and the rotor are both in a salient pole structure, the rotor and the stator rotate relatively, and an annular air gap is formed between the stator and the rotor; the stator and the rotor adopt a chute structure, and the directions of the chutes are consistent; rotor teeth outside the rotor are outer blades, and inner blades are arranged inside the rotor; the two axial sides of the motor are provided with annular hollow bearings for fixing the motor, so that the stable operation of the motor is guaranteed. The invention can effectively increase the total diameter of the paddle, cancel a complex transmission shaft system, improve the utilization rate of unit space, enhance the propelling capability of a power system and has the characteristics of light weight and high efficiency. And meanwhile, the original permanent magnet on the rotor and the like are eliminated. The strength of the rotor is improved, and the rotor can be better suitable for various rotating speed occasions.
Description
Technical Field
The invention belongs to the technical field of underwater propellers, and particularly relates to a coaxial double-paddle rotor salient pole motor propulsion power system structure.
Background
In recent years, as the international shipping trade increases, the power system of the ship is more and more emphasized, and the disadvantages of the traditional ship propeller system are gradually shown. The size of the main engine and the size of each part are increased along with the increase of power requirements, in order to meet the normal operation of the system, the shafting structure design of the traditional ship propulsion system is complex, the design difficulty and cost of the ship are increased, the requirement on a sealing system is high, and the utilization rate of unit space is low.
The rim driving technology integrates the permanent magnet motor and the propeller, and changes the traditional driving mode of a transmission shafting. However, the permanent magnet is required to be pasted on the rotor, in order to ensure that a magnetic circuit is unsaturated, the yoke part of the rotor is thick, the diameter of each blade is small, the space utilization rate is low, and the overall efficiency is low. And when the rotor rotates at a high speed, the permanent magnets fixed on the surface are easy to collide and fly away, so that the reliability of the motor is reduced.
Disclosure of Invention
In order to solve the problems in the prior art, a coaxial double-paddle rotor salient pole motor propulsion power system structure is provided. The invention fully utilizes the stator and rotor structure to form a special rotating structure, so that the rotor teeth can operate as a new paddle system, the total diameter of the paddle is increased, a complex transmission shaft system is cancelled, the utilization rate of unit space is improved, the efficiency is improved, and the propelling capability of a power system is enhanced. And meanwhile, the original permanent magnet on the rotor and the like are eliminated. The strength of the rotor is improved, and the rotor can be better suitable for various rotating speed occasions.
In order to achieve the purpose, the invention adopts the following technical scheme:
a coaxial double-paddle rotor salient pole motor propulsion power system structure comprises a stator and a rotor, wherein iron cores of the stator and the rotor are both in a salient pole structure, the rotor is arranged in the stator, stator teeth are arranged in the stator, and stator windings are wound on the stator teeth; an air gap is formed between the stator and the rotor, the inner and outer blades are respectively arranged inside and outside the rotor, and the stator is fixed by a bearing in the axial direction; the stator and the rotor both adopt a chute structure, and the chutes are in the same direction.
As a further improvement of the invention, the inner blade and the outer blade are connected to a yoke part of the rotor, the inner blade is positioned in the yoke part of the rotor, and the rotating direction of the inner blade is the same as that of the inclined groove.
As a further improvement of the invention, the outer blades are rotor teeth and are positioned outside a yoke part of the rotor, and the direction of the rotor teeth is the same as that of the inclined grooves.
As a further improvement of the invention, the rotor teeth are of a streamlined structure.
As a further improvement of the invention, the rotor and the outer blades are made of magnetic conductive materials.
As a further improvement of the invention, the inner blade adopts a non-magnetic material.
As a further development of the invention, the rotor is longer than the stator.
As a further improvement of the invention, the bearings are fixed at two axial sides of the stator, the structure of the bearings is annular, the annular is superposed with the yoke part of the rotor, and the annular is hollowed out at the position of the stator slot.
Compared with the prior art, the method has the following advantages:
the invention discloses a propulsion power system structure of a rotor salient pole motor, which comprises a stator and a rotor, wherein the stator and the rotor are both in a salient pole structure, the rotor and the stator rotate relative to each other, and an annular air gap is formed between the stator and the rotor; the stator and the rotor adopt a chute structure, and the directions of the chutes are consistent; rotor teeth outside the rotor are outer blades, and inner blades are arranged inside the rotor; the two axial sides of the motor are provided with annular hollow bearings for fixing the motor, so that the stable operation of the motor is guaranteed. The invention can effectively increase the total diameter of the blade, cancels a complex transmission shaft system, improves the utilization rate of unit space, enhances the propelling capability of a power system, and has the characteristics of light weight and high efficiency. And meanwhile, the original permanent magnet on the rotor and the like are eliminated. The strength of the rotor is improved, and the rotor can be better suitable for various rotating speed occasions.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an axial cross-sectional schematic view of the present invention;
wherein: 1. a stator; 2. a rotor (rotor yoke); 3. rotor teeth (outer blades); 4. an inner paddle; 5. a bearing; 6. stator teeth; 7. and a stator winding.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention provides a coaxial double-paddle rotor salient pole motor propulsion power system structure, which is based on a rotor salient pole motor and a rim driving technology and combines similar structures of blades and rotor salient poles to provide the structures shown in figures 1 and 2, so that the power system obtains better propulsion capacity.
The invention comprises a stator 1 and a rotor 2, wherein iron cores of the stator 1 and the rotor 2 are both in a salient pole structure, an air gap is arranged between the stator and the rotor, inner blades 4 and outer blades 3 are arranged inside and outside the rotor 2, and a motor is fixed by a bearing 5 in the axial direction.
The motor structure is a special rotating structure, the stator 1 and the rotor 2 adopt a chute structure, the directions are the same, the motor type is a rotor salient pole motor, and the motor type comprises but is not limited to a switched reluctance motor, a switched flux linkage motor, a flux reversal motor, a direct current bias vernier reluctance motor and the like.
The inner blades 4 and the outer blades 3 are connected to a yoke part of the rotor 2, the inner blades 4 are positioned in the yoke part of the rotor 2, the rotating direction of the inner blades 4 is the same as the direction of the stator and rotor chutes, and the inner blades rotate to generate a first part of thrust; the inner paddle 4 is made of non-magnetic conducting material.
The outer blades 3 are rotor teeth behind a skewed slot and are positioned outside a rotor yoke, the direction of the skewed slot of the rotor is the same as that of a skewed slot of a stator, and the angles can not be completely the same in order to inhibit torque pulsation; the rotor teeth are in streamline design; the rotor 2 and the outer blades 3 are made of magnetic conductive materials and provide a passage for magnetic flux; the outer blade rotates to generate a second part of thrust; the axial both ends of rotor tooth are narrower, can't realize the magnetic field modulation function, therefore the rotor is longer than the stator, and the space is reserved for the tip of stator coil simultaneously, the wire winding of being convenient for. The bearing structure is characterized in that the bearings 5 are fixed on two axial sides of the system, the structure is annular, the shape of the bearing structure is superposed with the yoke part of the rotor 2, and the stator 1 is partially hollowed out at the position of a stator slot; the material adopts polymer water to lubricate the bearing, so that the axial stability of the rotation of the blade system is ensured.
When the structure is adopted, the stator winding supplies power, the rotor rotates to drive the inner and outer double-blade systems to rotate, and thrust is generated together to push the ship system to advance.
The invention has wide application prospect in the application occasions including but not limited to various types of ship propulsion, gas-liquid pumps, air power systems and the like.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided would be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of subject matter that is disclosed herein is not intended to forego such subject matter, nor should the applicant consider that such subject matter is not considered part of the disclosed subject matter.
It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no precedence between the two is considered as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided would be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of subject matter that is disclosed herein is not intended to forego such subject matter, nor should the applicant consider that such subject matter is not considered part of the disclosed subject matter.
Claims (8)
1. A coaxial double-paddle rotor salient pole motor propulsion power system structure is characterized by comprising a stator (1) and a rotor (2), wherein iron cores of the stator (1) and the rotor (2) are both in a salient pole structure, the rotor (2) is arranged in the stator (1), stator teeth (6) are arranged in the stator (1), and stator windings (7) are wound on the stator teeth (6); an air gap is formed between the stator (1) and the rotor (2), the inner blade (4) and the outer blade (3) are respectively arranged inside and outside the rotor (2), and the stator (1) is fixed by a bearing (5) in the axial direction; the stator (1) and the rotor (2) both adopt a chute structure, and the chute directions are the same.
2. The structure of a coaxial double-oar rotor salient pole motor propulsion power system according to claim 1, characterized in that the inner blade (4) and the outer blade (3) are connected to the yoke of the rotor, the inner blade (4) is located in the yoke of the rotor, and the rotation direction of the inner blade (4) is the same as the direction of the skewed slot.
3. The structure of a coaxial double-oar rotor salient pole motor propulsion power system according to claim 1, characterized in that the outer blades (3) are rotor teeth which are positioned outside the yoke part of the rotor, and the direction of the rotor teeth is the same as the direction of the inclined grooves.
4. The structure of the coaxial double-bladed rotor salient pole motor propulsion power system of claim 1, wherein the rotor teeth are of a streamlined configuration.
5. The structure of a coaxial double-bladed rotor salient pole motor propulsion power system according to claim 1, characterized in that said rotor (2) and outer blades (3) are made of magnetically conductive material.
6. The structure of a coaxial double-bladed rotor salient pole machine propulsion power system according to claim 1, characterized in that said inner blades (4) are made of non-magnetic-conductive material.
7. The structure of claim 1, wherein the rotor is longer than the stator.
8. The structure of the coaxial double-paddle rotor salient pole motor propulsion power system as claimed in claim 1, wherein the bearings (5) are fixed at two axial sides of the stator (1), the structure of the bearings (5) is annular, the annular is overlapped with the yoke part of the rotor, and the annular is hollowed out at the position of a stator slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111153212.XA CN113949178A (en) | 2021-09-29 | 2021-09-29 | Coaxial double-paddle rotor salient pole motor propulsion power system structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111153212.XA CN113949178A (en) | 2021-09-29 | 2021-09-29 | Coaxial double-paddle rotor salient pole motor propulsion power system structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113949178A true CN113949178A (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111153212.XA Pending CN113949178A (en) | 2021-09-29 | 2021-09-29 | Coaxial double-paddle rotor salient pole motor propulsion power system structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113949178A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101436807A (en) * | 2008-12-23 | 2009-05-20 | 南京航空航天大学 | Self-wind cooled rotor double stator low torque ripple magneto resistance genus motor |
| CN101534024A (en) * | 2009-04-17 | 2009-09-16 | 南京航空航天大学 | Integrated impeller motor for driving axial-flow pump |
| CN103085959A (en) * | 2011-11-08 | 2013-05-08 | 雅马哈发动机株式会社 | Marine vessel propulsion device |
| CN103818535A (en) * | 2014-03-14 | 2014-05-28 | 中国船舶重工集团公司第七○二研究所 | Integrated motor propelling device |
-
2021
- 2021-09-29 CN CN202111153212.XA patent/CN113949178A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101436807A (en) * | 2008-12-23 | 2009-05-20 | 南京航空航天大学 | Self-wind cooled rotor double stator low torque ripple magneto resistance genus motor |
| CN101534024A (en) * | 2009-04-17 | 2009-09-16 | 南京航空航天大学 | Integrated impeller motor for driving axial-flow pump |
| CN103085959A (en) * | 2011-11-08 | 2013-05-08 | 雅马哈发动机株式会社 | Marine vessel propulsion device |
| CN103818535A (en) * | 2014-03-14 | 2014-05-28 | 中国船舶重工集团公司第七○二研究所 | Integrated motor propelling device |
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Application publication date: 20220118 |