CN116707175A - Motor with a plurality of stator modules and stator thereof - Google Patents
Motor with a plurality of stator modules and stator thereof Download PDFInfo
- Publication number
- CN116707175A CN116707175A CN202210219774.8A CN202210219774A CN116707175A CN 116707175 A CN116707175 A CN 116707175A CN 202210219774 A CN202210219774 A CN 202210219774A CN 116707175 A CN116707175 A CN 116707175A
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- China
- Prior art keywords
- stator
- motor
- rotor
- poles
- stator modules
- 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.)
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Links
- 230000008859 change Effects 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 10
- 238000004804 winding Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- H02K1/148—Sectional cores
-
- 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
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/15—Sectional machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/12—Machines characterised by the modularity of some components
-
- 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)
- Microelectronics & Electronic Packaging (AREA)
Abstract
The invention provides a motor with a plurality of stator modules, which is used for solving the problems that the existing motor stator is difficult to wire and difficult to maintain. Comprising the following steps: a plurality of stator modules detachably combined into a motor stator, wherein each stator module is provided with a plurality of poles, and a plurality of coils with different phases are wound on the plurality of poles; the circuit boards are electrically connected with the coils of the stator modules and are used for independently switching the phases of the stator modules; a rotor having at least one magnetic member, a plurality of poles of the at least one magnetic member corresponding to the plurality of coils on the plurality of stator modules; and the sensing module is coupled with the plurality of circuit boards and detects the magnetic field change generated by the movement of the at least one magnetic piece along with the rotor so as to judge and inform the rotating position of the rotor of each circuit board.
Description
Technical Field
The present invention relates to an electric driving device, and more particularly, to a motor and a stator thereof, which are capable of being wound and replaced by a plurality of stator modules independently.
Background
Referring to fig. 1, a conventional motor 9 is shown, the conventional motor 9 has a stator 91, a rotor 92, a sensing module 93 and a driving circuit 94, the conventional motor 9 is a three-phase motor, the stator 91 is six slots and the rotor 92 is four poles, the driving circuit 94 is electrically connected to the winding groups on the stator 91 through three phase lines U, V, W, the current provided by the power Vcc can be alternately led into different winding groups according to the phase change to drive the rotor 92 to rotate, the sensing module 93 detects the rotation direction and rotation speed of the rotor 92 through three position sensors, and the rotation direction and rotation speed are converted into phase information to provide the driving circuit 94 for phase switching.
The three-phase windings of the conventional motor 9 are respectively wound around the six poles 911 of the stator 91, and the two poles 911 around which the same-phase coils are wound are respectively located at opposite sides of the stator 91, so that the winding process must be lifted across the other poles 911, and in addition, when the copper wire is broken or the contact is poor, the motor 9 cannot be operated and the winding set must be replaced, which causes difficulty in maintenance and increased cost.
In view of this, there is a need for improvement in existing motors.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a motor having a plurality of stator modules, which can be disassembled independently to reduce the difficulty of winding and maintenance.
It is an object of the present invention to provide a motor having a plurality of stator modules that can reduce the specification requirements of electronic components.
It is another object of the present invention to provide a stator that can be operated by a single stator module independently driven motor.
It is still another object of the present invention to provide a stator that can reduce the manufacturing cost of a motor stator.
Throughout this disclosure, directional or approximate terms, such as "upper (top)", "lower (bottom)", "inner", "outer", "side", etc., refer primarily to the direction of the drawing figures, and are used merely to aid in the description and understanding of various embodiments of the invention, and are not intended to limit the invention.
The use of the terms "a" and "an" for the components and members described throughout this disclosure is for convenience only and provides a general sense of the scope of the present disclosure; it should be understood that the present invention includes one or at least one, and that the singular concept also includes plural unless it is obvious that it is meant otherwise.
The motor with a plurality of stator modules of the present invention includes: a plurality of stator modules detachably combined into a motor stator, wherein each stator module is provided with a plurality of poles, and a plurality of coils with different phases are wound on the plurality of poles; the circuit boards are electrically connected with the coils of the stator modules and are used for independently switching the phases of the stator modules; a rotor having at least one magnetic member, a plurality of poles of the at least one magnetic member corresponding to the plurality of coils on the plurality of stator modules; and the sensing module is coupled with the plurality of circuit boards and detects the magnetic field change generated by the movement of the at least one magnetic piece along with the rotor so as to judge and inform the rotating position of the rotor of each circuit board.
The stator of the present invention includes: a plurality of stator modules detachably combined into a motor stator, wherein each stator module is provided with a plurality of poles, and a plurality of coils with different phases are wound on the plurality of poles; and the circuit boards are electrically connected with the coils of the stator modules and are used for independently switching the phases of the stator modules.
Therefore, the motor with a plurality of stator modules can disperse the output power of the motor to each stator module through the plurality of stator modules which are independently powered, even if one stator module fails, the motor can still operate, in addition, each detachable stator module can be used for winding and maintaining separately, and the production mould can be shared, so that the motor with the stator module has the effects of reducing the specification of electronic parts, simplifying the installation, facilitating the maintenance and reducing the manufacturing cost.
The stator modules are combined and encircle the outer periphery of the rotor, and the at least one magnetic piece is positioned on the outer periphery of the rotor. Thus, an inner rotor motor can be formed, and the manufacturing cost is reduced.
The rotor surrounds the periphery of the stator modules, and the at least one magnetic piece is positioned on the inner peripheral surface of the rotor. Thus, an outer rotor motor can be formed, which has the effect of providing high-efficiency output.
The plurality of poles of each stator module are arranged at equal intervals, and the number of the plurality of poles is a multiple of the number of motor phases. Thus, each stator module can independently switch phases and provide stable output, and has the effect of individually driving the motor to rotate.
The circuit boards are respectively combined on the stator modules. Therefore, the coils on the pole can be directly and electrically connected with the circuit board, and the motor configuration space is saved, so that the motor has the effect of reducing the motor volume.
The magnetic poles are staggered towards each stator module by N, S poles, and each magnetic pole is separated by an air gap relative to each coil. Therefore, the electromagnetic force provided by each coil can push the magnetic pieces, and the magnetic pieces have the effect of providing stable rotation kinetic energy.
The sensing module is provided with a plurality of sensing units, and the sensing units are positioned on one of the circuit boards. Therefore, when the rotor rotates, the sensing units can detect the magnetic field change generated by the movement of the magnetic poles relative to the circuit board, and the magnetic field change detecting device has the effect of judging the relative movement of the stator and the rotor.
The sensing module is provided with a control unit which is coupled with the plurality of sensing units, and the control unit judges the rotating position of the rotor according to the magnetic field change detected by the plurality of sensing units. Therefore, the control unit can judge the rotation condition of the rotor and has the effect of providing the phase switching information of the circuit board.
The motor with a plurality of stator modules of the invention further comprises a standby sensing module which is coupled with the plurality of circuit boards, and when the sensing module fails, the standby sensing module informs each circuit board of the rotating position of the rotor. Therefore, when the sensing module fails, the accurate rotor rotating position can be continuously provided, and the motor stable operation is maintained.
Drawings
Fig. 1: one existing motor schematic;
fig. 2: an exploded perspective view of a first embodiment of the present invention;
fig. 3: a combined perspective view of a first embodiment of the present invention;
fig. 4: a control loop diagram of a first embodiment of the present invention;
fig. 5: an exploded perspective view of a second embodiment of the present invention;
fig. 6: a combined perspective view of a second embodiment of the present invention.
Description of the reference numerals
[ present invention ]
1 stator module
11 pole
2 Circuit Board
3 rotor
31 magnetic part
4 sensing module
U, V, W phase
Vcc power supply
[ PRIOR ART ]
9 motor
91 stator
911 pole
92 rotor
93 sensing module
94 drive circuit
Vcc, power supply.
Detailed Description
In order to make the above and other objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below; in addition, the same symbols in different drawings are regarded as the same, and the description thereof will be omitted.
Referring to fig. 2 and 3, a first embodiment of a motor with a plurality of stator modules according to the present invention includes a plurality of stator modules 1, a plurality of circuit boards 2, a rotor 3 and a sensing module 4, wherein the plurality of stator modules 1 can be assembled with each other and surround the outer periphery of the rotor 3 to form an inner rotor motor, and each circuit board 2 is coupled to each stator module 1 and the sensing module 4.
Each stator module 1 has a plurality of poles 11 arranged at equal intervals, so that a plurality of coils with different phases are wound around the plurality of poles 11, the number of the plurality of poles 11 is preferably a multiple of the number of motor phases, and coils with the same phases are arranged at the farthest intervals, for example, in the present embodiment, 6 stator modules 1 are detachably combined into a three-phase motor stator, the central angle of each stator module 1 with respect to the motor axis is 60 degrees, in addition, each stator module 1 has 6 poles 11, and the coils wound around the 6 poles 11 are sequentially in phase U, V, W, U, V, W. Each stator module 1 may further have an insulating sleeve covering the upper and lower surfaces of the plurality of poles 11, so that the plurality of coils are wound around the plurality of poles 11 that have been covered by the insulating sleeve.
The circuit boards 2 are electrically connected with the coils of each phase on the stator modules 1, the wiring method of each circuit board 2 can be a triangle connection method in which the coils of each phase are connected end to end, three connection points are electrically connected with the circuit board 2, one end of each coil of each phase is connected, and the other end of each coil of each phase is electrically connected with the star connection method of the circuit board 2. In the embodiment, 6 circuit boards 2 are electrically connected to 6 stator modules 1 one to one, and each circuit board 2 can independently energize the coils of each stator module 1 to drive the motor to rotate, but the 6 stator modules 1 can also be electrically connected to the same circuit board 2 respectively, and the stator modules 1 are not directly electrically connected, so that even though coils with the same phase are not connected in series or parallel across the modules, the circuit boards 2 can independently control the energizing of each phase coil of the 6 stator modules 1 respectively. The plurality of circuit boards 2 are preferably combined with the plurality of stator modules 1 respectively, and have the functions of reducing the distance between the coils electrically connected by the wires and reducing the motor volume.
The rotor 3 has at least one magnetic member 31 on the outer circumference of the rotor 3, a plurality of magnetic poles can be formed on the at least one magnetic member 31, the plurality of magnetic poles are opposite to coils on the plurality of stator modules 1 and are separated by an air gap, the plurality of magnetic poles are staggered towards each stator module 1 at N, S poles, the rotor 3 can be driven to rotate by stable electromagnetic force, in the embodiment, the rotor 3 corresponds to 6 poles 11 of each stator module 1 by 4 magnetic members 31, each magnetic member 31 faces each pole 11 by one N pole or S pole, a motor structure which forms 6 slots 4 poles and can independently drive operation is formed, and 6 stator modules 1 are combined around the rotor 3 to form an inner rotor motor of 36 slots 24 poles.
Referring to fig. 3 and 4, the motor with a plurality of stator modules of the present invention may further have a sensing module 4, where the sensing module 4 has a plurality of sensing units, each sensing unit may be a Hall Sensor (Hall Sensor), the plurality of sensing units may be disposed on one of the circuit boards 2 at intervals, when the rotor 3 rotates relative to the circuit board 2 and the plurality of sensing units, the sensing module 4 may detect a magnetic field change generated by passing the N, S magnetic pole of the at least one magnetic member 31 in turn, and the sensing module 4 further has a control unit coupled to the plurality of sensing units, and the control unit may determine the rotation position of the rotor 3 in real time according to the magnetic field change detected by the plurality of sensing units. In addition, the sensing module 4 is coupled to the plurality of circuit boards 2, so that the plurality of circuit boards 2 can synchronously receive the detection result of the sensing module 4, and each circuit board 2 can independently perform phase switching on the respective electrically connected stator modules 1 according to the current rotation position of the rotor 3. In this embodiment, the motor with multiple stator modules is a three-phase motor, the sensing module 4 preferably has 3 sensing units, and in addition, the motor with multiple stator modules may have more than two sensing modules 4 (not shown) as standby sensing modules, when any one of the sensing units fails, the standby sensing modules can be switched to detect, and the precise rotation angle of the rotor 3 is continuously provided, so as to maintain stable operation of the motor.
Referring to fig. 3 and 4, the power source Vcc supplies power to the coils on the plurality of poles 11 through the plurality of circuit boards 2, so that the plurality of stator modules 1 can be driven by the power source Vcc with a lower power specification, and then the power source Vcc is combined into the overall power output of the motor, thereby reducing the specification of electronic components; in addition, each pole 11 has coils with each phase U, V, W, and each circuit board 2 can output an electrical signal with each phase U, V, W, so that each stator module 1 can independently drive the rotor 3 to operate, when one of the stator modules 1 fails, the other stator modules 1 can still continue to operate, and similarly, a plurality of stator modules 1 are alternatively disabled, so that the motor can be switched to a low-power working state, and the effects of saving energy and reducing component loss are achieved.
The plurality of stator modules 1 can be independently inserted or removed, so that only the failed stator module 1 needs to be replaced when the motor is maintained, and the winding process of each separable stator module 1 is easier and more convenient than that of a stator formed by one body, and has the functions of winding, mounting and maintaining convenience; in addition, each stator module 1 may have the same structure, and all stator modules 1 can be produced by the same mold, and the volume of the mold is smaller than that of the mold for producing the complete stator, which has the effect of reducing the manufacturing cost.
Referring to fig. 5 and 6, which are a second embodiment of the motor with a plurality of stator modules according to the present invention, the present embodiment is substantially the same as the first embodiment described above, in this embodiment, the rotor 3 surrounds the plurality of stator modules 1 to form an outer rotor motor, and the at least one magnetic member 31 is located on the inner peripheral surface of the rotor 3, so that the coils of each stator module 1 face outwards to each magnetic pole.
The structure of the plurality of stator modules 1 and the rotor 3 according to the present invention can be used for a stator and a rotor of a generator.
In summary, the motor with multiple stator modules according to the present invention can disperse the output power of the motor to each stator module through the multiple stator modules that are independently powered, even if one stator module fails, the motor can still operate, and in addition, each detachable stator module can be used for winding and maintaining separately, and the production mold can be shared, so that the motor with multiple stator modules has the effects of reducing the specification of electronic components, simplifying installation, facilitating maintenance and reducing manufacturing cost.
Although the present invention has been described with reference to the above preferred embodiments, it should be understood that the present invention is not limited thereto, and that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (10)
1. A motor having a plurality of stator modules, comprising:
a plurality of stator modules detachably combined into a motor stator, wherein each stator module is provided with a plurality of poles, and a plurality of coils with different phases are wound on the plurality of poles;
the circuit boards are electrically connected with the coils of the stator modules and are used for independently switching the phases of the stator modules;
a rotor having at least one magnetic member, a plurality of poles of the at least one magnetic member corresponding to the plurality of coils on the plurality of stator modules; and
And the sensing module is coupled with the plurality of circuit boards and detects the magnetic field change generated by the movement of the at least one magnetic piece along with the rotor so as to judge and inform each circuit board of the rotating position of the rotor.
2. The motor of claim 1, wherein the plurality of stator modules are coupled to and around an outer circumference of the rotor, and the at least one magnetic member is located on the outer circumference of the rotor.
3. The motor of claim 1, wherein the rotor surrounds the outer periphery of the plurality of stator modules, and the at least one magnetic member is located on the inner peripheral surface of the rotor.
4. The motor of claim 1, wherein the plurality of poles of each stator module are arranged at equal intervals, the number of the plurality of poles being a multiple of the number of phases of the motor.
5. The motor of claim 1, wherein the plurality of circuit boards are coupled to the plurality of stator modules, respectively.
6. The motor of claim 1 having a plurality of stator modules, wherein the plurality of poles are interleaved with N, S poles toward each stator module, each pole being spaced apart from each coil by an air gap.
7. The motor of claim 1, wherein the sensing module has a plurality of sensing units located on one of the circuit boards.
8. The motor of claim 7, wherein the sensing module has a control unit coupled to the plurality of sensing units, the control unit determining the rotational position of the rotor based on the magnetic field changes detected by the plurality of sensing units.
9. The motor of claim 1, further comprising a redundant sensing module coupled to the plurality of circuit boards, wherein each circuit board is informed of the rotational position of the rotor by the redundant sensing module when the sensing module fails.
10. A stator, comprising:
a plurality of stator modules detachably combined into a motor stator, wherein each stator module is provided with a plurality of poles, and a plurality of coils with different phases are wound on the plurality of poles; and
The circuit boards are electrically connected with the coils of the stator modules, and the circuit boards are used for independently switching the phases of the stator modules.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW111107108 | 2022-02-25 | ||
TW111107108 | 2022-02-25 |
Publications (1)
Publication Number | Publication Date |
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CN116707175A true CN116707175A (en) | 2023-09-05 |
Family
ID=87842022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202210219774.8A Pending CN116707175A (en) | 2022-02-25 | 2022-03-08 | Motor with a plurality of stator modules and stator thereof |
Country Status (2)
Country | Link |
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CN (1) | CN116707175A (en) |
TW (1) | TWI836569B (en) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1193480C (en) * | 2001-06-21 | 2005-03-16 | 许俊甫 | Wheel hub structure with drive control hidden in internal stator |
TWI530057B (en) * | 2014-06-04 | 2016-04-11 | 建準電機工業股份有限公司 | Motor stator |
TWI543496B (en) * | 2014-07-11 | 2016-07-21 | 建準電機工業股份有限公司 | Motor stator |
JP7433223B2 (en) * | 2017-10-29 | 2024-02-19 | クリアウォーター ホールディングス,リミテッド | Modular electromagnetic machine and manufacturing method |
US11340336B2 (en) * | 2017-12-07 | 2022-05-24 | Ouster, Inc. | Rotating light ranging system with optical communication uplink and downlink channels |
CN112242760A (en) * | 2019-07-17 | 2021-01-19 | 浙江万安科技股份有限公司 | Flexible printed circuit board with temperature sensor, stator and motor |
-
2022
- 2022-03-08 CN CN202210219774.8A patent/CN116707175A/en active Pending
- 2022-08-25 TW TW111132083A patent/TWI836569B/en active
Also Published As
Publication number | Publication date |
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TW202335408A (en) | 2023-09-01 |
TWI836569B (en) | 2024-03-21 |
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