CN110460212A - A kind of bi-motor integrated electric motor structure - Google Patents
A kind of bi-motor integrated electric motor structure Download PDFInfo
- Publication number
- CN110460212A CN110460212A CN201910796116.3A CN201910796116A CN110460212A CN 110460212 A CN110460212 A CN 110460212A CN 201910796116 A CN201910796116 A CN 201910796116A CN 110460212 A CN110460212 A CN 110460212A
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- China
- Prior art keywords
- sets
- permanent magnet
- motor
- rotor
- assemblies
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
Abstract
The invention discloses a kind of bi-motor integrated electric motor structures, including rotor shaft, two sets of permanent magnet machine rotor assemblies, two sets of permanent magnet motor stator assemblies, water cooling base, drive end bearing bracket, rear end cap, rotary transformer and output shaft coupling, the rotor shaft, two sets of permanent magnet machine rotor assemblies and two sets of permanent magnet motor stator assemblies are mounted on the inside of water cooling base by drive end bearing bracket, rear end cap.The beneficial effects of the present invention are: the present invention passes through the integrated structure design of bi-motor, two sets of permanent magnet machine rotor assemblies, two sets of permanent magnet motor stator assemblies share same set of rotor shaft, water cooling base, drive end bearing bracket, rear end cap, rotary transformer, output shaft coupling, form an integrated motor.Bi-motor integrated electric motor structure is simple, easily manufactured, technical maturity, manufacturing cost are declined；Bi-motor integrated electric motor is electromagnetic drive, coaxial output, eliminates the influence of gear engagement and the transmission of different axis, noise and vibration are at reduced levels.
Description
Technical field
The present invention relates to a kind of electric machine structure, specially a kind of bi-motor integrated electric motor structure belongs to bi-motor one
Change electric machine structure applied technical field.
Background technique
The motor in current new energy driving motor market is commonly single motor driving structure and motor+gearbox structure.It is single
Motor-driven structure structure is simple, noise is small, and it is the mainstream power motor of newly energy automobile market that market, which is applied than wide,.By
In the single characteristic of single motor high efficient district, for multi-state service condition, it is difficult to take into account vehicle in the efficient operation of each operating condition.With
The market demand, motor+gearbox structure is also gradually acceptable to the market, can basis since driving motor has matched reduction gearbox
Operating condition needs, and motor is maintained to run in high efficient district as far as possible by adjusting reduction ratio, but since motor matches gearbox structure
Complexity, noise vibration are all obvious.
Although being obviously improved in system effectiveness in addition, though matching retarder motor, since structure is complicated, electricity
The flatness of the concentricity and mounting surface of machine and reduction gearbox main shaft, gives manufacturing process to increase difficulty, and the reliability of complete machine also can be by
To the limitation of reduction gearbox, and complete machine cost can also have a certain upgrade.
Summary of the invention
The object of the invention is that in order to solve the problem above-mentioned, and propose a kind of bi-motor integrated electric motor structure,
The present invention passes through the integrated structure design of bi-motor, two sets of permanent magnet machine rotor assemblies, two sets of permanent magnet motor stator assemblies
Share same set of rotor shaft, water cooling casing, drive end bearing bracket, rear end cap, rotary transformer, output shaft coupling.Structure is simple, manufactures
Convenience, technical maturity, manufacturing cost are declined, and bi-motor integrated electric motor is integrated with two sets of electric machine structures, and two sets of motors can
Independent control, collaborative work, Optimum Matching, bi-motor integrated electric motor efficient region is broad, meets multi-state high-efficiency operation
Demand.
The purpose of the present invention can be achieved through the following technical solutions: a kind of bi-motor integrated electric motor structure, including be turned
Sub- shaft, two sets of permanent magnet machine rotor assemblies, two sets of permanent magnet motor stator assemblies, water cooling base, drive end bearing bracket, rear end cap, rotations
Transformer and output shaft coupling, are designed, two sets of permanent magnet machine rotor assemblies, two sets of permanent magnetism by the integrated structure of bi-motor
Motor Stator Assembly shares same set of rotor shaft, water cooling base, drive end bearing bracket, rear end cap, rotary transformer, output shaft coupling.
Structure is simple, easily manufactured, technical maturity, manufacturing cost are declined；
The rotor shaft, permanent magnet machine rotor assembly and permanent magnet motor stator assembly are mounted on the inside of water cooling base,
The drive end bearing bracket and rear end cap are separately mounted to the both ends of water cooling base, and the rotary transformer be mounted on the rear end cap and
On rotor shaft, the output shaft coupling is connected to output power on rotor shaft.
Further technological improvement of the invention is: two sets of permanent magnet motor stator assemblies are installed in the interior of water cooling base
Portion.
Further technological improvement of the invention is: two sets of permanent magnet machine rotor assemblies are installed on rotor shaft.
Further technological improvement of the invention is: rotary transformer is divided into stator and rotor two parts, and stator and turns
Sub- two parts are not mounted on the rear end cap and rotor shaft.
Further technological improvement of the invention is: two sets of permanent magnet motor stator assemblies and water cooling base are matched for interference
It closes, and two sets of permanent magnet motor stator assemblies are consistent with water cooling base relative position.
Further technological improvement of the invention is: two sets of permanent magnet machine rotor assemblies are interference fit with rotor shaft,
And two sets of permanent magnet machine rotor assemblies are consistent with rotor shaft relative position.
Further technological improvement of the invention is: two sets of permanent magnet motor stator assemblies of the rotary transformer while detection
With the relative position of two sets of permanent magnet machine rotor assemblies.
Further technological improvement of the invention is: the assembly method of the electric machine structure specifically includes the following steps:
Step 1: each rotor assembly components of magneto are formed into two sets of permanent magnet machine rotor assemblies, by magneto
Each field frame assembly components form two sets of permanent magnet motor stator assemblies；
Step 2: two sets of p-m rotor assemblies are mounted on the same rotor shaft, and fit form is interference fit, and
Two sets of permanent magnet machine rotor assemblies are consistent with the relative position of rotor shaft；
Step 3: two sets of permanent-magnet stator assemblies are mounted on the same water cooling base, and fit form is interference fit, and
Two sets of permanent magnet motor stator assemblies are consistent with the relative position of water cooling base；
Step 4: by drive end bearing bracket, rear end cap and other support components that rotor shaft, two sets of permanent magnet machine rotors are total
At two sets of permanent-magnet stator assemblies are mounted on, inside water cooling base, the output end of rotor shaft is stretched out from drive end bearing bracket direction, and with tightly
Gu components are fixed；
Step 5: the stator of rotary transformer, rotor portion are separately mounted to specified on rear end cap and rotor shaft
Position, and adjust its relative angle guarantees that rotary transformer can be with two sets of permanent magnet machine rotor assemblies of accurate measurements and two sets forever
The relative position of magnetic field frame assembly；
Step 6: will export the output end of shaft coupling installation rotor shaft, for even coupling with the mechanical of external drive shaft end
With the transmission of energy.
Compared with prior art, the beneficial effects of the present invention are:
(1) present invention passes through the integrated structure design of bi-motor, two sets of permanent magnet machine rotor assemblies, two sets of Permanent Magnet and Electrics
Machine stator assembly shares same set of rotor shaft, water cooling base, drive end bearing bracket, rear end cap, rotary transformer, output shaft coupling.Knot
Structure is simple, easily manufactured, technical maturity, manufacturing cost are declined.
(2) bi-motor integrated electric motor is electromagnetic drive, coaxial output, eliminates the shadow of gear engagement and the transmission of different axis
It rings, noise and vibration are at reduced levels.
(3) bi-motor integrated electric motor energy directly exports, and avoids the loss of energy transmission and tooth between gearbox gear
Foot wheel abrasion reduces energy consumption of electrical machinery loss.
(4) bi-motor integrated electric motor structure is simple, does not need transmission gear and gear lubrication system, and maintenance cost is low,
High reliablity.
(5) bi-motor integrated electric motor is integrated with two sets of electric machine structures, and two sets of motors can independent control, collaborative work, most
Excellent matching, bi-motor integrated electric motor efficient region is broad, meets multi-state high-efficiency operation demand.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is overall structure of the present invention.
Fig. 2 is schematic diagram of internal structure of the present invention.
Fig. 3 is permanent magnet machine rotor assembly structure schematic diagram of the present invention.
Fig. 4 is permanent magnet motor stator assembly structure schematic diagram of the present invention.
Fig. 5 is rotary transformer arrangement schematic diagram of the present invention.
Fig. 6 is integral outer structural front view of the present invention.
In figure: 1, rotor shaft；2, permanent magnet machine rotor assembly；3, permanent magnet motor stator assembly；4, water cooling base；5, preceding
End cap；6, rear end cap；7, rotary transformer；8, shaft coupling is exported.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
It please refers to shown in Fig. 1-6, a kind of bi-motor integrated electric motor structure, including 1, two set of magneto of rotor shaft turns
2, two sets of permanent magnet motor stator assemblies 3 of sub- assembly, water cooling base 4, drive end bearing bracket 5, rear end cap 6, rotary transformer 7 and output shaft coupling
Device 8, rotor shaft 1 guarantee that two sets of permanent magnet machine rotor assemblies 2 and two sets of permanent magnet motor stator assemblies 3 are installed and undertaken with one heart
The revolving speed of motor, torque output；Permanent magnet machine rotor assembly 2 provides excitation field, and is converted electrical energy by inductive reaction
Mechanical energy；Permanent magnet motor stator assembly 3 provides armature winding, generates rotating excitation field when being passed through three-phase alternating current；Water cooling base 4 is main
It realizes support, protective action, and electric motor temperature reduction function is realized by water channel design；Drive end bearing bracket 5, rear end cap 6 mainly undertake branch
Support, safeguard function；Rotary transformer 7 detects two sets of permanent magnet machine rotor assemblies 2 of motor and two sets of permanent magnet motor stator assemblies 3
Relative position, to realize the accurate control to bi-motor integrated electric motor；Output shaft coupling 8 mainly undertakes bi-motor integration
Motor even couples with the machinery of external drive shaft end and the function of energy transmission.It is designed by the integrated structure of bi-motor,
Two sets of permanent magnet machine rotor assemblies, 2, two sets of permanent magnet motor stator assemblies 3 share same set of rotor shaft 1, water cooling base 4, front end
Lid 5, rear end cap 6, rotary transformer 7, output shaft coupling 8.Structure is simple, easily manufactured, technical maturity, manufacturing cost under
Drop；
The rotor shaft 1, permanent magnet machine rotor assembly 2 and permanent magnet motor stator assembly 3 are mounted on the interior of water cooling base 4
Portion, the drive end bearing bracket 5 and rear end cap 6 are separately mounted to the both ends of water cooling base 4, and the rotary transformer 7 be mounted on it is described
On rear end cap 6 and rotor shaft 1, the output shaft coupling 8 is connected to output power on rotor shaft 1.
As a kind of technical optimization scheme of the invention, two sets of permanent magnet motor stator assemblies 3 are installed in water cooling base 4
It is internal.
As a kind of technical optimization scheme of the invention, two sets of permanent magnet machine rotor assemblies 2 are installed in rotor shaft 1
On.
As a kind of technical optimization scheme of the invention, rotary transformer 7 divides for stator and rotor two parts, and stator and
Rotor two parts are not mounted on the rear end cap 6 and rotor shaft 1.
As a kind of technical optimization scheme of the invention, two sets of permanent magnet motor stator assemblies 3 and water cooling base 4 were
It is full of cooperation, and two sets of permanent magnet motor stator assemblies 3 are consistent with 4 relative position of water cooling base.
As a kind of technical optimization scheme of the invention, two sets of permanent magnet machine rotor assemblies 2 are matched with rotor shaft 1 for interference
It closes, and two sets of permanent magnet machine rotor assemblies 2 are consistent with 1 relative position of rotor shaft.
As a kind of technical optimization scheme of the invention, the rotary transformer 7 detects two sets of permanent magnet motor stators simultaneously
The relative position of assembly 3 and two sets of permanent magnet machine rotor assemblies 2.
As a kind of technical optimization scheme of the invention, the assembly method of the electric machine structure specifically includes the following steps:
Step 1: each rotor assembly components of magneto are formed into two sets of permanent magnet machine rotor assemblies 2, by magneto
Each field frame assembly components form two sets of permanent magnet motor stator assemblies 3；
Step 2: two sets of p-m rotor assemblies 2 are mounted on the same rotor shaft 1, and fit form is interference fit,
And two sets of permanent magnet machine rotor assemblies 2 are consistent with the relative position of rotor shaft 1；
Step 3: two sets of permanent-magnet stator assemblies 3 are mounted on the same water cooling base 4, and fit form is interference fit,
And two sets of permanent magnet motor stator assemblies 3 are consistent with the relative position of water cooling base 4；
Step 4: 1, two set of magneto of rotor shaft is turned by drive end bearing bracket 5, rear end cap 6 and other support components
Sub- assembly 2 is mounted on two sets of permanent-magnet stator assemblies 3, inside water cooling base 4, and the output end of rotor shaft 1 is stretched from 5 direction of drive end bearing bracket
Out, and with fastening components it is fixed；
Step 5: the stator of rotary transformer 7, rotor portion are separately mounted to the finger on rear end cap 6 and rotor shaft 1
Positioning is set, and adjusts its relative angle, guarantees that rotary transformer 7 can be with two sets of permanent magnet machine rotor assemblies 2 of accurate measurements and two
Cover the relative position of permanent-magnet stator assembly 3；
Step 6: will export the output end of the installation rotor shaft 1 of shaft coupling 8, for even joining with the mechanical of external drive shaft end
Connect the transmission with energy.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (7)
1. a kind of bi-motor integrated electric motor structure, it is characterised in that: total including rotor shaft (1), two sets of permanent magnet machine rotors
At (2), two sets of permanent magnet motor stator assemblies (3), water cooling base (4), drive end bearing bracket (5), rear end cap (6), rotary transformer (7) and
It exports shaft coupling (8)；
The rotor shaft (1), permanent magnet machine rotor assembly (2) and permanent magnet motor stator assembly (3) are mounted on water cooling base (4)
Inside, the drive end bearing bracket (5) and rear end cap (6) are separately mounted to the both ends of water cooling base (4), and the rotary transformer
(7) it is mounted on the rear end cap (6) and rotor shaft (1), the output shaft coupling (8) is connected to defeated on rotor shaft (1)
Power out.
2. a kind of bi-motor integrated electric motor structure according to claim 1, which is characterized in that two sets of permanent magnet motor stators
Assembly (3) is installed in the inside of water cooling base (4).
3. a kind of bi-motor integrated electric motor structure according to claim 1, which is characterized in that two sets of permanent magnet machine rotors
Assembly (2) is installed on rotor shaft (1).
4. a kind of bi-motor integrated electric motor structure according to claim 1, which is characterized in that two sets of magnetoes
Field frame assembly (3) and water cooling base (4) are interference fit, and two sets of permanent magnet motor stator assemblies (3) and water cooling base (4) are opposite
Position consistency.
5. a kind of bi-motor integrated electric motor structure according to claim 1, which is characterized in that two sets of permanent magnet machine rotors
Assembly (2) and rotor shaft (1) is are interference fitted, and two sets of permanent magnet machine rotor assemblies (2) and rotor shaft (1) relative position
Unanimously.
6. a kind of bi-motor integrated electric motor structure according to claim 1, which is characterized in that the rotary transformer
(7) relative position of two sets of permanent magnet motor stator assemblies (3) and two sets of permanent magnet machine rotor assemblies (2) is detected simultaneously.
7. a kind of bi-motor integrated electric motor structure according to claim 1, which is characterized in that the assembly of the electric machine structure
Method specifically includes the following steps:
Step 1: forming two sets of permanent magnet machine rotor assemblies (2) for each rotor assembly components of magneto, and magneto is each
Field frame assembly components form two sets of permanent magnet motor stator assemblies (3)；
Step 2: two sets of p-m rotor assemblies (2) are mounted on the same rotor shaft (1), and fit form is interference fit,
And two sets of permanent magnet machine rotor assemblies (2) are consistent with the relative position of rotor shaft (1)；
Step 3: two sets of permanent-magnet stator assemblies (3) are mounted on the same water cooling base (4), and fit form is interference fit,
And two sets of permanent magnet motor stator assemblies (3) are consistent with the relative position of water cooling base (4)；
Step 4: by drive end bearing bracket (5), rear end cap (6) and other support components by rotor shaft (1), two sets of magnetoes
Rotor assembly (2) is mounted on two sets of permanent-magnet stator assemblies (3), water cooling base (4) inside, and the output end of rotor shaft (1) is in the past
End cap (5) direction is stretched out, and is fixed with fastening components；
Step 5: the stator of rotary transformer (7), rotor portion are separately mounted on rear end cap (6) and rotor shaft (1)
Designated position, and adjust its relative angle；
Step 6: the output end of shaft coupling (8) installation rotor shaft (1) will be exported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910796116.3A CN110460212A (en) | 2019-08-27 | 2019-08-27 | A kind of bi-motor integrated electric motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910796116.3A CN110460212A (en) | 2019-08-27 | 2019-08-27 | A kind of bi-motor integrated electric motor structure |
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| Publication Number | Publication Date |
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| CN110460212A true CN110460212A (en) | 2019-11-15 |
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ID=68489345
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910796116.3A Pending CN110460212A (en) | 2019-08-27 | 2019-08-27 | A kind of bi-motor integrated electric motor structure |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2845296Y (en) * | 2005-06-16 | 2006-12-06 | 比亚迪股份有限公司 | Electric vehicle motor |
| CN204376659U (en) * | 2014-12-31 | 2015-06-03 | 江西宜春客车厂有限公司 | Electric motor car birotor fluid-cooled electrical machine |
| CN206323273U (en) * | 2017-01-03 | 2017-07-11 | 苏州嘉沁新能源有限公司 | A kind of double-stator permanent magnet synchronous motor |
| CN206490561U (en) * | 2017-02-28 | 2017-09-12 | 大连日牵电机有限公司 | Pure electric drive ore deposit truck bi-motor integration-in-one permanent-magnet synchronizing traction motor |
| CN206673799U (en) * | 2016-10-31 | 2017-11-24 | 北京精密机电控制设备研究所 | A kind of double remaining permanent magnet synchronous servo motors of tandem |
-
2019
- 2019-08-27 CN CN201910796116.3A patent/CN110460212A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2845296Y (en) * | 2005-06-16 | 2006-12-06 | 比亚迪股份有限公司 | Electric vehicle motor |
| CN204376659U (en) * | 2014-12-31 | 2015-06-03 | 江西宜春客车厂有限公司 | Electric motor car birotor fluid-cooled electrical machine |
| CN206673799U (en) * | 2016-10-31 | 2017-11-24 | 北京精密机电控制设备研究所 | A kind of double remaining permanent magnet synchronous servo motors of tandem |
| CN206323273U (en) * | 2017-01-03 | 2017-07-11 | 苏州嘉沁新能源有限公司 | A kind of double-stator permanent magnet synchronous motor |
| CN206490561U (en) * | 2017-02-28 | 2017-09-12 | 大连日牵电机有限公司 | Pure electric drive ore deposit truck bi-motor integration-in-one permanent-magnet synchronizing traction motor |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191115 |
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| RJ01 | Rejection of invention patent application after publication |