CN112886787A - Double-primary coplanar multiphase linear permanent magnet synchronous motor - Google Patents
Double-primary coplanar multiphase linear permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN112886787A CN112886787A CN202110062766.2A CN202110062766A CN112886787A CN 112886787 A CN112886787 A CN 112886787A CN 202110062766 A CN202110062766 A CN 202110062766A CN 112886787 A CN112886787 A CN 112886787A
- Authority
- CN
- China
- Prior art keywords
- primary
- permanent magnet
- plate
- yoke plate
- stage
- 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
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 30
- 238000004804 winding Methods 0.000 claims abstract description 70
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 230000002146 bilateral effect Effects 0.000 claims abstract description 8
- 230000009977 dual effect Effects 0.000 claims description 5
- 238000003491 array Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 238000005339 levitation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- 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
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
- H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Linear Motors (AREA)
Abstract
The invention discloses a double-primary coplanar multiphase linear permanent magnet synchronous motor, belongs to the technical field of motors, and aims to solve the problems of large secondary structure deformation, poor rotor stability, low thrust density and poor dynamic response when a large thrust is output in the conventional double-sided secondary coreless linear permanent magnet synchronous motor. The device comprises two primary stages, one secondary stage, a rotor supporting mechanism and a base; the primary comprises a primary winding and a primary substrate provided with the primary winding; the secondary comprises an upper secondary, a lower secondary and a middle support plate; the two primary windings are respectively arranged on the left side and the right side of the primary substrate, the two primary windings are correspondingly connected in series, and in the motion direction, phase differences exist between the corresponding phase windings. The secondary is a bilateral structure and is arranged on two sides of the primary, and two air gaps are formed between the primary and the secondary. The invention is used for the linear permanent magnet synchronous motor.
Description
Technical Field
The invention relates to a double-primary coplanar multiphase linear permanent magnet synchronous motor, and belongs to the technical field of motors.
Background
Fig. 1-3 are schematic structural diagrams of a conventional linear permanent magnet synchronous motor with a bilateral secondary coreless structure, wherein a secondary of the motor is composed of yoke plates and flat permanent magnets, the permanent magnets are magnetized in parallel along the transverse direction, the permanent magnets are arranged and fixed on the air gap side of the yoke plates of the secondary at intervals along the motion direction N, S, the left side and the right side of the bilateral secondary are the same with the magnetizing direction of the permanent magnets, and a primary is positioned between the two secondaries. The normal component of the magnetic force line generated by the permanent magnet vertically passes through the primary, the current of the primary winding interacts with the magnetic field of the secondary permanent magnet to generate electromagnetic force, and the rotor is pushed to do linear motion. The linear motor with the structure has the characteristics of high thrust linearity, strong overload capacity, quick dynamic response, low running noise and the like.
However, when this motor is used in a high-speed and high-thrust drive control system, the linear motor having this structure has disadvantages such as large deformation of the secondary structure when outputting a large thrust, poor stability of the mover, low thrust density, and poor dynamic response.
Disclosure of Invention
The invention aims to solve the problems of large secondary structure deformation, poor rotor stability, low thrust density and poor dynamic response when the existing bilateral secondary coreless linear permanent magnet synchronous motor outputs large thrust, and provides a double-primary coplanar multiphase linear permanent magnet synchronous motor.
The invention relates to a double-primary coplanar multiphase linear permanent magnet synchronous motor which comprises two primary stages, a secondary stage, a rotor supporting mechanism and a base;
the primary comprises a primary winding and a primary substrate provided with the primary winding;
the secondary comprises an upper secondary, a lower secondary and a middle support plate;
the upper permanent magnet is fixed on the lower side of the upper secondary yoke plate;
the lower secondary comprises a lower secondary yoke plate and a lower permanent magnet, and the lower permanent magnet is fixed on the upper side of the lower secondary yoke plate;
the upper permanent magnet and the lower permanent magnet respectively comprise two arrays of permanent magnets which are arranged in a bilateral symmetry mode, and the permanent magnets of each array are sequentially and alternately arranged in N, S mode along the moving direction;
the upper secondary and the lower secondary are arranged in parallel and connected through a middle supporting plate which is vertically arranged; two ends of the middle supporting plate are respectively connected with the last secondary yoke plate and the lower secondary yoke plate; the middle support plate is positioned between the left array and the right array of the upper permanent magnet and the lower permanent magnet;
the magnetizing directions of the permanent magnets at the corresponding positions of the upper secondary and the lower secondary are the same, so that a series magnetic circuit is formed;
the two primary stages are arranged between the upper secondary stage and the lower secondary stage and are respectively positioned at two sides of the middle support plate, an upper air gap is formed between the primary stage and the upper secondary stage, a lower air gap is formed between the primary stage and the lower secondary stage, and the planes of the upper air gap and the lower air gap are parallel to the movement direction;
the rotor supporting mechanism comprises a sliding block or a guide rail;
when the motor is in a movable secondary structure, the sliding block is arranged on the lower side of the secondary, the guide rail is arranged on the machine base, the two primary windings are also arranged on the machine base, and the primary windings on the two primary windings are connected in series or in parallel;
when the motor is in a movable primary structure, the sliding block is arranged on the next time of the primary, the guide rail is arranged on the machine base, the secondary is also arranged on the machine base, the two primary windings are connected in series or in parallel through the load connecting plate.
The invention relates to another double-primary coplanar multiphase linear permanent magnet synchronous motor which comprises two primary stages, one secondary stage, a rotor supporting mechanism and a base;
the primary comprises a primary winding and a primary substrate provided with the primary winding, and the primary substrates of the two primaries are connected;
the secondary comprises an upper secondary, a lower secondary and a middle support plate;
the upper permanent magnet is fixed on the lower side of the upper secondary yoke plate;
the lower secondary comprises a lower left secondary and a lower right secondary which are symmetrically arranged;
the lower left secondary comprises a lower secondary left yoke plate and a lower left permanent magnet, and the lower left permanent magnet is fixed on the upper side of the lower secondary left yoke plate;
the lower right secondary comprises a lower secondary right yoke plate and a lower right permanent magnet, and the lower right permanent magnet is fixed on the upper side of the lower secondary right yoke plate;
the upper permanent magnet, the lower left permanent magnet and the lower right permanent magnet are sequentially and alternately arranged at N, S along the motion direction;
the middle support plate comprises a middle left support plate and a middle right support plate,
the upper secondary and the lower secondary are arranged in parallel, the left sides of the upper secondary and the lower left secondary are connected through a middle left support plate, two ends of the middle left support plate are respectively connected with the last secondary yoke plate and the lower secondary left yoke plate, the right sides of the upper secondary and the lower right secondary are connected through a middle right support plate, two ends of the middle right support plate are respectively connected with the last secondary yoke plate and the lower secondary right yoke plate, and the sum of the transverse lengths of the lower secondary left yoke plate and the lower secondary right yoke plate is smaller than the transverse length of the last secondary yoke plate;
the magnetizing directions of the permanent magnets at the corresponding positions of the upper secondary and the lower secondary are the same, so that a series magnetic circuit is formed;
the two primary stages are arranged between the upper secondary stage and the lower secondary stage and are respectively positioned at two sides of the middle support plate, an upper air gap is formed between the primary stage and the upper secondary stage, a lower air gap is formed between the primary stage and the lower secondary stage, and the planes of the upper air gap and the lower air gap are parallel to the movement direction;
the rotor supporting mechanism comprises a sliding block or a guide rail;
when the motor is in a movable secondary structure, the sliding blocks are arranged on the left side and the right side of the secondary, the guide rails are arranged on the base, the two primary windings penetrate through a space between the lower secondary left yoke plate and the lower secondary right yoke plate through the adapter plate and then are arranged on the base, and the primary windings on the two primary windings are connected in series or in parallel;
when the motor is in a movable primary structure, the upper secondary and the lower secondary exchange positions, the two primaries pass through the adapter plate, penetrate through a space between a left yoke plate of the lower secondary and a right yoke plate of the lower secondary after the exchange positions, and then are arranged on the load connecting plate, the sliding blocks are arranged on the left side and the right side of the load connecting plate, the guide rails are arranged on the machine base, the secondary is also arranged on the machine base, and primary windings on the two primaries are connected in series or in parallel.
According to the double-primary coplanar multiphase linear permanent magnet synchronous motor, a double-primary coplanar structure is adopted, the plane where an air gap is located is parallel to the motion direction, so that currents of two primary windings interact with a secondary magnetic field to generate symmetrical and balanced electromagnetic propulsion, and a rotor is low in mass center and good in stability; the secondary structure has high strength and small deformation; the rotor supporting structure is simple, the cost is low, and the reliability is high; the output thrust is large, the rotor has light weight, high acceleration and high thrust density. Has wide application prospect in high-speed and high-thrust linear propulsion systems.
Drawings
Fig. 1 is a schematic primary structural diagram of a conventional linear permanent magnet synchronous motor with a double-sided secondary coreless structure;
fig. 2 is a schematic secondary structure diagram of the double-sided secondary coreless linear permanent magnet synchronous machine of fig. 1;
fig. 3 is a schematic structural view of the double-sided secondary coreless linear permanent magnet synchronous motor of fig. 1;
fig. 4 is a schematic structural diagram of a first double-primary coplanar multiphase linear permanent magnet synchronous motor according to a first embodiment of the present invention, wherein a represents a primary, and b represents a secondary;
FIG. 5 is a schematic diagram of the secondary structure of FIG. 4;
FIG. 6 is a detail view of the permanent magnet structure of FIG. 4;
fig. 7 is a schematic structural diagram of a second double-primary coplanar multiphase linear permanent magnet synchronous motor according to a second embodiment of the present invention, wherein a represents a primary and b represents a secondary;
FIG. 8 is a schematic diagram of the secondary structure of FIG. 7;
fig. 9 is a detailed view of the permanent magnet structure of fig. 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The first embodiment is as follows: the following describes the present embodiment with reference to fig. 4 to 6, and the dual primary coplanar multiphase linear permanent magnet synchronous motor of the present embodiment includes two primary stages, one secondary stage, a mover supporting mechanism and a base;
the primary comprises a primary winding and a primary substrate provided with the primary winding;
the secondary comprises an upper secondary, a lower secondary and a middle support plate;
the upper permanent magnet is fixed on the lower side of the upper secondary yoke plate;
the lower secondary comprises a lower secondary yoke plate and a lower permanent magnet, and the lower permanent magnet is fixed on the upper side of the lower secondary yoke plate;
the upper permanent magnet and the lower permanent magnet respectively comprise two arrays of permanent magnets which are arranged in a bilateral symmetry mode, and the permanent magnets of each array are sequentially and alternately arranged in N, S mode along the moving direction;
the upper secondary and the lower secondary are arranged in parallel and connected through a middle supporting plate which is vertically arranged; two ends of the middle supporting plate are respectively connected with the last secondary yoke plate and the lower secondary yoke plate; the middle support plate is positioned between the left array and the right array of the upper permanent magnet and the lower permanent magnet;
the magnetizing directions of the permanent magnets at the corresponding positions of the upper secondary and the lower secondary are the same, so that a series magnetic circuit is formed;
the two primary stages are arranged between the upper secondary stage and the lower secondary stage and are respectively positioned at two sides of the middle support plate, an upper air gap is formed between the primary stage and the upper secondary stage, a lower air gap is formed between the primary stage and the lower secondary stage, and the planes of the upper air gap and the lower air gap are parallel to the movement direction;
the rotor supporting mechanism comprises a sliding block or a guide rail;
when the motor is in a movable secondary structure, the sliding block is arranged on the lower side of the secondary, the guide rail is arranged on the machine base, the two primary windings are also arranged on the machine base, and the primary windings on the two primary windings are connected in series or in parallel;
when the motor is in a movable primary structure, the sliding block is arranged on the next time of the primary, the guide rail is arranged on the machine base, the secondary is also arranged on the machine base, the two primary windings are connected in series or in parallel through the load connecting plate.
Furthermore, the rotor supporting mechanism is a mechanical supporting structure, an air floatation supporting structure or a magnetic suspension supporting structure.
Still further, the sliding block can adopt a roller.
Still further, the primary winding adopts a fractional slot concentrated winding or an integer slot winding; single or double layer windings may also be used.
Further, when the primary winding adopts fractional slot concentrated winding, the coils are divided into two layers and symmetrically arranged on the upper side and the lower side of the primary substrate, the coils at the corresponding positions on the upper side and the lower side of the primary substrate belong to the same phase, and the coils at the corresponding positions on the upper side and the lower side of the primary substrate are connected in parallel or in series.
In the present embodiment, when coils at corresponding positions on the upper and lower sides of the primary substrate are connected in parallel, the zero magnetic flux effect is used to prevent the coils from being biased.
Still further, the secondary adopts a surface-mounted permanent magnet structure, an embedded permanent magnet structure or a Halbach permanent magnet array structure.
Still further, the number of phases of the primary winding is 3 or more.
Still further, the primary is a liquid cooling structure, and a cooling liquid channel is arranged on the primary substrate.
Still further, the primary substrate is made of a non-magnetic high-strength material, and the primary substrate is encapsulated by epoxy resin.
The second embodiment is as follows: the present embodiment is described below with reference to fig. 7 to 9, and another dual-primary coplanar multiphase linear permanent magnet synchronous motor according to the present embodiment includes two primary stages, one secondary stage, a mover supporting mechanism and a base;
the primary comprises a primary winding and a primary substrate provided with the primary winding, and the primary substrates of the two primaries are connected;
the secondary comprises an upper secondary, a lower secondary and a middle support plate;
the upper permanent magnet is fixed on the lower side of the upper secondary yoke plate;
the lower secondary comprises a lower left secondary and a lower right secondary which are symmetrically arranged;
the lower left secondary comprises a lower secondary left yoke plate and a lower left permanent magnet, and the lower left permanent magnet is fixed on the upper side of the lower secondary left yoke plate;
the lower right secondary comprises a lower secondary right yoke plate and a lower right permanent magnet, and the lower right permanent magnet is fixed on the upper side of the lower secondary right yoke plate;
the upper permanent magnet, the lower left permanent magnet and the lower right permanent magnet are sequentially and alternately arranged at N, S along the motion direction;
the middle support plate comprises a middle left support plate and a middle right support plate,
the upper secondary and the lower secondary are arranged in parallel, the left sides of the upper secondary and the lower left secondary are connected through a middle left support plate, two ends of the middle left support plate are respectively connected with the last secondary yoke plate and the lower secondary left yoke plate, the right sides of the upper secondary and the lower right secondary are connected through a middle right support plate, two ends of the middle right support plate are respectively connected with the last secondary yoke plate and the lower secondary right yoke plate, and the sum of the transverse lengths of the lower secondary left yoke plate and the lower secondary right yoke plate is smaller than the transverse length of the last secondary yoke plate;
the magnetizing directions of the permanent magnets at the corresponding positions of the upper secondary and the lower secondary are the same, so that a series magnetic circuit is formed;
the two primary stages are arranged between the upper secondary stage and the lower secondary stage and are respectively positioned at two sides of the middle support plate, an upper air gap is formed between the primary stage and the upper secondary stage, a lower air gap is formed between the primary stage and the lower secondary stage, and the planes of the upper air gap and the lower air gap are parallel to the movement direction;
the rotor supporting mechanism comprises a sliding block or a guide rail;
when the motor is in a movable secondary structure, the sliding blocks are arranged on the left side and the right side of the secondary, the guide rails are arranged on the base, the two primary windings penetrate through a space between the lower secondary left yoke plate and the lower secondary right yoke plate through the adapter plate and then are arranged on the base, and the primary windings on the two primary windings are connected in series or in parallel;
when the motor is in a movable primary structure, the upper secondary and the lower secondary exchange positions, the two primaries pass through the adapter plate, penetrate through a space between a left yoke plate of the lower secondary and a right yoke plate of the lower secondary after the exchange positions, and then are arranged on the load connecting plate, the sliding blocks are arranged on the left side and the right side of the load connecting plate, the guide rails are arranged on the machine base, the secondary is also arranged on the machine base, and primary windings on the two primaries are connected in series or in parallel.
Furthermore, the rotor supporting mechanism is a mechanical supporting structure, an air floatation supporting structure or a magnetic suspension supporting structure.
Still further, the sliding block can adopt a roller.
Still further, the primary winding adopts a fractional slot concentrated winding or an integer slot winding; single or double layer windings may also be used.
Further, when the primary winding adopts fractional slot concentrated winding, the coils are divided into two layers and symmetrically arranged on the upper side and the lower side of the primary substrate, the coils at the corresponding positions on the upper side and the lower side of the primary substrate belong to the same phase, and the coils at the corresponding positions on the upper side and the lower side of the primary substrate are connected in parallel or in series.
In the present embodiment, when coils at corresponding positions on the upper and lower sides of the primary substrate are connected in parallel, the zero magnetic flux effect is used to prevent the coils from being biased.
Still further, the secondary adopts a surface-mounted permanent magnet structure, an embedded permanent magnet structure or a Halbach permanent magnet array structure.
Still further, the number of phases of the primary winding is 3 or more.
Still further, the primary is a liquid cooling structure, and a cooling liquid channel is arranged on the primary substrate.
Still further, the primary substrate is made of a non-magnetic high-strength material, and the primary substrate is encapsulated by epoxy resin.
In the invention, the middle support plate and the upper yoke plate or the lower yoke plate are of an integrated structure.
In the invention, the motor is of a multi-primary and multi-secondary structure, all the primary are connected in parallel, and all the secondary are connected in parallel.
The invention provides a double-primary coplanar multiphase linear permanent magnet synchronous motor which mainly comprises a primary supporting mechanism, a secondary supporting mechanism and a rotor supporting mechanism. The primary winding mainly comprises two sets of primary windings and a primary substrate, wherein the two sets of primary windings are fractional-slot concentrated windings and are respectively arranged on the left side and the right side of the primary substrate, the two sets of windings are correspondingly connected in series, and in addition, phase difference exists between the corresponding phase windings along the motion direction. The secondary is a bilateral structure and is arranged on two sides of the primary, and two air gaps are formed between the primary and the secondary.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (10)
1. The double-primary coplanar multiphase linear permanent magnet synchronous motor is characterized by comprising two primary stages, a secondary stage, a rotor supporting mechanism and a base;
the primary comprises a primary winding and a primary substrate provided with the primary winding;
the secondary comprises an upper secondary, a lower secondary and a middle support plate;
the upper permanent magnet is fixed on the lower side of the upper secondary yoke plate;
the lower secondary comprises a lower secondary yoke plate and a lower permanent magnet, and the lower permanent magnet is fixed on the upper side of the lower secondary yoke plate;
the upper permanent magnet and the lower permanent magnet respectively comprise two arrays of permanent magnets which are arranged in a bilateral symmetry mode, and the permanent magnets of each array are sequentially and alternately arranged in N, S mode along the moving direction;
the upper secondary and the lower secondary are arranged in parallel and connected through a middle supporting plate which is vertically arranged; two ends of the middle supporting plate are respectively connected with the last secondary yoke plate and the lower secondary yoke plate; the middle support plate is positioned between the left array and the right array of the upper permanent magnet and the lower permanent magnet;
the magnetizing directions of the permanent magnets at the corresponding positions of the upper secondary and the lower secondary are the same, so that a series magnetic circuit is formed;
the two primary stages are arranged between the upper secondary stage and the lower secondary stage and are respectively positioned at two sides of the middle support plate, an upper air gap is formed between the primary stage and the upper secondary stage, a lower air gap is formed between the primary stage and the lower secondary stage, and the planes of the upper air gap and the lower air gap are parallel to the movement direction;
the rotor supporting mechanism comprises a sliding block or a guide rail;
when the motor is in a movable secondary structure, the sliding block is arranged on the lower side of the secondary, the guide rail is arranged on the machine base, the two primary windings are also arranged on the machine base, and the primary windings on the two primary windings are connected in series or in parallel;
when the motor is in a movable primary structure, the sliding block is arranged on the next time of the primary, the guide rail is arranged on the machine base, the secondary is also arranged on the machine base, the two primary windings are connected in series or in parallel through the load connecting plate.
2. The double-primary coplanar multiphase linear permanent magnet synchronous motor is characterized by comprising two primary stages, a secondary stage, a rotor supporting mechanism and a base;
the primary comprises a primary winding and a primary substrate provided with the primary winding, and the primary substrates of the two primaries are connected;
the secondary comprises an upper secondary, a lower secondary and a middle support plate;
the upper permanent magnet is fixed on the lower side of the upper secondary yoke plate;
the lower secondary comprises a lower left secondary and a lower right secondary which are symmetrically arranged;
the lower left secondary comprises a lower secondary left yoke plate and a lower left permanent magnet, and the lower left permanent magnet is fixed on the upper side of the lower secondary left yoke plate;
the lower right secondary comprises a lower secondary right yoke plate and a lower right permanent magnet, and the lower right permanent magnet is fixed on the upper side of the lower secondary right yoke plate;
the upper permanent magnet, the lower left permanent magnet and the lower right permanent magnet are sequentially and alternately arranged at N, S along the motion direction;
the middle support plate comprises a middle left support plate and a middle right support plate,
the upper secondary and the lower secondary are arranged in parallel, the left sides of the upper secondary and the lower left secondary are connected through a middle left support plate, two ends of the middle left support plate are respectively connected with the last secondary yoke plate and the lower secondary left yoke plate, the right sides of the upper secondary and the lower right secondary are connected through a middle right support plate, two ends of the middle right support plate are respectively connected with the last secondary yoke plate and the lower secondary right yoke plate, and the sum of the transverse lengths of the lower secondary left yoke plate and the lower secondary right yoke plate is smaller than the transverse length of the last secondary yoke plate;
the magnetizing directions of the permanent magnets at the corresponding positions of the upper secondary and the lower secondary are the same, so that a series magnetic circuit is formed;
the two primary stages are arranged between the upper secondary stage and the lower secondary stage and are respectively positioned at two sides of the middle support plate, an upper air gap is formed between the primary stage and the upper secondary stage, a lower air gap is formed between the primary stage and the lower secondary stage, and the planes of the upper air gap and the lower air gap are parallel to the movement direction;
the rotor supporting mechanism comprises a sliding block or a guide rail;
when the motor is in a movable secondary structure, the sliding blocks are arranged on the left side and the right side of the secondary, the guide rails are arranged on the base, the two primary windings penetrate through a space between the lower secondary left yoke plate and the lower secondary right yoke plate through the adapter plate and then are arranged on the base, and the primary windings on the two primary windings are connected in series or in parallel;
when the motor is in a movable primary structure, the upper secondary and the lower secondary exchange positions, the two primaries pass through the adapter plate, penetrate through a space between a left yoke plate of the lower secondary and a right yoke plate of the lower secondary after the exchange positions, and then are arranged on the load connecting plate, the sliding blocks are arranged on the left side and the right side of the load connecting plate, the guide rails are arranged on the machine base, the secondary is also arranged on the machine base, and primary windings on the two primaries are connected in series or in parallel.
3. The dual primary coplanar multiphase linear permanent magnet synchronous motor according to claim 1 or 2, wherein the mover support mechanism is a mechanical support structure, an air bearing support structure or a magnetic levitation support structure.
4. The dual-primary coplanar multiphase linear permanent magnet synchronous motor according to claim 1 or 2, wherein the sliding blocks are rollers.
5. The dual primary coplanar multiphase linear permanent magnet synchronous motor according to claim 1 or 2, wherein the primary windings are fractional slot concentrated windings or integer slot windings; single or double layer windings may also be used.
6. The dual-primary coplanar multiphase linear permanent magnet synchronous motor according to claim 5, wherein when the primary winding adopts fractional slot concentrated winding, the coils are divided into two layers and symmetrically arranged on the upper and lower sides of the primary substrate, the coils at corresponding positions on the upper and lower sides of the primary substrate belong to the same phase, and the coils at corresponding positions on the upper and lower sides of the primary substrate are connected in parallel or in series.
7. The dual-primary coplanar multiphase linear permanent magnet synchronous motor according to claim 1 or 2, wherein the secondary employs a surface-mounted permanent magnet structure, an embedded permanent magnet structure or a Halbach permanent magnet array structure.
8. A dual primary coplanar multiphase linear permanent magnet synchronous motor according to claim 1 or 2, wherein the number of phases of the primary windings is 3 or more.
9. A dual primary coplanar multiphase linear permanent magnet synchronous motor according to claim 1 or 2, wherein the primary is of a liquid cooling construction and the primary base plate has cooling liquid flow channels disposed thereon.
10. The dual-primary coplanar multiphase linear permanent magnet synchronous motor according to claim 1 or 2, wherein the primary base plate is made of a non-magnetic high-strength material, and the primary is encapsulated by epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110062766.2A CN112886787A (en) | 2021-01-18 | 2021-01-18 | Double-primary coplanar multiphase linear permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110062766.2A CN112886787A (en) | 2021-01-18 | 2021-01-18 | Double-primary coplanar multiphase linear permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112886787A true CN112886787A (en) | 2021-06-01 |
Family
ID=76048999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110062766.2A Pending CN112886787A (en) | 2021-01-18 | 2021-01-18 | Double-primary coplanar multiphase linear permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112886787A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116961356A (en) * | 2023-09-19 | 2023-10-27 | 中国科学院长春光学精密机械与物理研究所 | Long-stroke motion motor capable of providing Z-direction buoyancy for rotor |
| CN117240041A (en) * | 2023-11-13 | 2023-12-15 | 东莞动源机电科技有限公司 | Linear induction motor with winding terminal block |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223052A (en) * | 2011-06-01 | 2011-10-19 | 哈尔滨工业大学 | Multi-DOF (degree of freedom) short-stroke planar motor |
| TW201515980A (en) * | 2013-10-16 | 2015-05-01 | Korea Electrotech Res Inst | Magnetically levitated transportation apparatus |
| US20160325761A1 (en) * | 2014-01-21 | 2016-11-10 | Beckhoff Automation Gmbh | Linear transport system and method for operating the linear transport system |
| CN108306478A (en) * | 2018-03-21 | 2018-07-20 | 哈尔滨工业大学 | High-speed magnetic levitation rectilinear vortex braking system |
| CN109474160A (en) * | 2018-12-30 | 2019-03-15 | 中国科学院沈阳自动化研究所 | A kind of in-orbit emitter |
| CN209072308U (en) * | 2018-12-30 | 2019-07-05 | 中国科学院沈阳自动化研究所 | A kind of in-orbit emitter |
| CN209250462U (en) * | 2018-12-14 | 2019-08-13 | 东莞普莱信智能技术有限公司 | A kind of aerofoil profile linear motor |
| CN209375428U (en) * | 2018-10-09 | 2019-09-10 | 青岛凌海信机电有限公司 | A kind of high thrust ironless linear motors |
-
2021
- 2021-01-18 CN CN202110062766.2A patent/CN112886787A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223052A (en) * | 2011-06-01 | 2011-10-19 | 哈尔滨工业大学 | Multi-DOF (degree of freedom) short-stroke planar motor |
| TW201515980A (en) * | 2013-10-16 | 2015-05-01 | Korea Electrotech Res Inst | Magnetically levitated transportation apparatus |
| US20160325761A1 (en) * | 2014-01-21 | 2016-11-10 | Beckhoff Automation Gmbh | Linear transport system and method for operating the linear transport system |
| CN108306478A (en) * | 2018-03-21 | 2018-07-20 | 哈尔滨工业大学 | High-speed magnetic levitation rectilinear vortex braking system |
| CN209375428U (en) * | 2018-10-09 | 2019-09-10 | 青岛凌海信机电有限公司 | A kind of high thrust ironless linear motors |
| CN209250462U (en) * | 2018-12-14 | 2019-08-13 | 东莞普莱信智能技术有限公司 | A kind of aerofoil profile linear motor |
| CN109474160A (en) * | 2018-12-30 | 2019-03-15 | 中国科学院沈阳自动化研究所 | A kind of in-orbit emitter |
| CN209072308U (en) * | 2018-12-30 | 2019-07-05 | 中国科学院沈阳自动化研究所 | A kind of in-orbit emitter |
Non-Patent Citations (1)
| Title |
|---|
| 寇宝泉等: "横向磁场磁通反向直线电机的等效磁路模型分析", 《中国科技论文》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116961356A (en) * | 2023-09-19 | 2023-10-27 | 中国科学院长春光学精密机械与物理研究所 | Long-stroke motion motor capable of providing Z-direction buoyancy for rotor |
| CN116961356B (en) * | 2023-09-19 | 2023-12-12 | 中国科学院长春光学精密机械与物理研究所 | Long-stroke motion motor capable of providing Z-direction buoyancy for rotor |
| CN117240041A (en) * | 2023-11-13 | 2023-12-15 | 东莞动源机电科技有限公司 | Linear induction motor with winding terminal block |
| CN117240041B (en) * | 2023-11-13 | 2024-03-26 | 东莞动源机电科技有限公司 | Linear induction motor with winding terminal block |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101783573B (en) | Multiphase long-stator primary permanent magnet linear motor | |
| CN108306478B (en) | High-speed magnetic suspension linear eddy current braking system | |
| CN112886787A (en) | Double-primary coplanar multiphase linear permanent magnet synchronous motor | |
| CN108382264B (en) | Permanent magnet magnetic suspension linear electromagnetic propulsion system | |
| CN108270338B (en) | Tooth slot type double-sided primary permanent magnet synchronous linear motor | |
| CN103595217A (en) | Permanent magnetic linear motor provided with no yoke portions on secondary and capable of conducting bilateral magnetic flow switching | |
| CN109004805B (en) | Double-acting sub-modular permanent magnet linear motor capable of running at differential speed | |
| CN102299607B (en) | Transverse magnetic flux linear reluctance motor with offset permanent magnet | |
| CN109245483B (en) | Bilateral alternating-pole permanent magnet linear motor without yoke part at secondary level | |
| CN103023269A (en) | Single-pole flux reverse permanent magnet linear motor | |
| CN203071787U (en) | Single-magnetic-pole flux-reversal permanent magnet linear motor | |
| CN201667603U (en) | Primary permanent magnetic linear motor with winding-complementation magnetic circuit symmetrical structure | |
| CN112671203B (en) | High-speed linear electromagnetic propulsion and electromagnetic braking system | |
| CN108155775B (en) | Asymmetric double-side double-permanent-magnet hybrid excitation switch flux linkage linear motor | |
| CN102291060A (en) | Normal-conducting rotating magnetic field electric type magnetic levitation system | |
| CN110572004B (en) | Permanent magnet reluctance linear motor | |
| CN110690809B (en) | Double-side primary permanent magnet type transverse flux linear motor | |
| CN110690808B (en) | Secondary short magnetic circuit double-side primary permanent magnet type transverse flux linear motor | |
| CN112187010B (en) | Permanent magnet linear synchronous motor with same poles | |
| CN111934461B (en) | Double-layer full-pitch winding coreless linear permanent magnet synchronous motor | |
| SE2051041A1 (en) | Electrical flux-switching machine with structural support | |
| CN109842264B (en) | Bilateral plate permanent magnet linear motor | |
| CN112953159B (en) | Double-side permanent magnet auxiliary linear synchronous reluctance motor with high thrust density | |
| CN108288905B (en) | Non-overlapping winding tooth slot type bilateral electro-magnetic flux switching linear motor | |
| CN102857065B (en) | Fault-tolerant transverse magnetic-field permanent-magnet linear motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210601 |