CN106787536A - One kind is coaxially nested with bi-motor structure - Google Patents
One kind is coaxially nested with bi-motor structure Download PDFInfo
- Publication number
- CN106787536A CN106787536A CN201710037178.7A CN201710037178A CN106787536A CN 106787536 A CN106787536 A CN 106787536A CN 201710037178 A CN201710037178 A CN 201710037178A CN 106787536 A CN106787536 A CN 106787536A
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- CN
- China
- Prior art keywords
- motor
- nested
- flywheel
- support
- side wall
- 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
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/02—Additional mass for increasing inertia, e.g. flywheels
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
One kind is coaxially nested with bi-motor, two distinct types of electric system is united two into one, the motor of relatively high power is external rotor electric machine, another smaller power motor is co-axially mounted using inner space, it is altogether a design for entirety by two rotors, fan blade, wind guide vane and flywheels to use son, the rotary inertia of system is increased while motor basic function, the function of air-cooled motor is realized, stable operation when being conducive to generator；It is alternatively designed to that the driving of the system directly is terminated into engine, eliminates the bearing and its support meanss of drive end before in legacy system；And system air inlet part set one after bearing and its a support meanss, in order to while cost-effective and volume ensure system mechanical strength.The volume for saving traditional double electric machine structure of the invention, weight, reduce cost, increased the rotary inertia of whole system, there is provided a kind of cost is relatively low, floor space is small, can share if necessary and standby and run electric system easy to use.
Description
Technical field
It is specifically a kind of that two motors are made up of coaxial embedded nested structure the invention belongs to machine field
Bi-motor.
Background technology
Usually need two kinds of different motors, such as the generator of electrical excitation and its supporting simultaneously in many engineering applications
Exciter；Two kinds of different power supplys are also usually needed simultaneously, such as need AC and DC to power or two kinds of different electricity simultaneously
The power supply of voltage source or different frequency supplies two kinds of different equipment and uses.
Common two kinds of different motors install also can be using coaxial configuration, such as generator of electrical excitation and its supporting
Exciter, both different motors are often separately mounted to the front and back end of axle on conventional art, two motors are each own each
From support and end cap.This infrastructure cost is higher, and floor space is big.
And the equipment to needing two kinds of different power supplys (AC and DC or different voltages or different frequency), generally every is all
Need individually to match somebody with somebody a different power supply.Particularly when these power supplys need movement or used as stand-by power supply, each
Power supply is that a generator matches somebody with somebody a structure for engine (such as diesel engine, gasoline engine), so, due to needing many sets simultaneously
Gen-set, not only with high costs, floor space is big, and runs using also inconvenient.
The content of the invention
For problem above, the one kind that provides of the invention is coaxially nested with bi-motor structure (lower to be referred to as " system "), by two
Plant different types of electric system to unite two into one, i.e., in a volume range for electric system, system can simultaneously install two kinds
Different motors；When both motors are generators, system can provide two distinct types of power supply；During special requirement, two
Motor can be accomplished to share or standby each other.Purpose is to provide that a kind of cost is relatively low, floor space is small, can share if necessary and
Standby and operation electric system easy to use.
To realize object above, the technical solution adopted by the present invention is that one kind is coaxially nested with bi-motor structure, such as Fig. 1 institutes
Show, it is characterized in that, it is nested with by two motor coaxles of A, B and is formed：Generator A is outer-rotor structure, by motor A stators (3), electricity
It is machine A rotors (2), flywheel (6), fan blade (7), wind guide vane (12), support (1), protecgulum (5), rotating shaft (13), support lid (15), tight
Firmware (4) and bearing (14) are constituted；Motor B is inner rotor core, by the electricity for being coaxially nested in motor A stator circumferences inner space
Machine B stators (10), motor B rotors (11) constitute, the rotor (2) of the motor A on the side wall (6-1) of flywheel (6),
Fan blade (7), wind guide vane (12) are arranged on the side wall (6-1) of flywheel (6), and the rotor (11) of motor B is arranged on wind guide vane (12)
On.
Further, described support (1) by excircle (1-1), inner periphery (1-2), air outlet (1-3) constitute one it is embedding
Body, its unilateral section is in C fonts, and excircle (1-1) is integral with protecgulum (5) firmware (4) assembling, inner periphery (1-2)
Motor A stators (3) is installed in outside, and motor B stators (10) is installed in the inside of inner periphery (1-2).
Further, the side wall (6-1) of described flywheel (6) be a disk like dish structure, side from side wall (6-1) to motor
To some angles are inclined, with side wall (6-1) altogether for one is overall, fan blade (7) is wind guide vane to the extension of air inlet to fan blade (7)
(12)。
Further, the yoke (2-1) of the motor A rotors (2) and the side wall (6-1) of flywheel (6) are altogether an entirety.
Further, the yoke (11-1) of the motor B rotors (11) and the yoke (11-1) of motor B rotors (11) with lead
Fan blade (12) is altogether an entirety.
Further, the inner circle of described support (1) encloses one support lid (15) of (1-2) exterior space installation, support lid
(15) bearing chamber (16) is set up in side, and bearing (14) is in the bearing chamber (16) of support lid (15).
Further, described protecgulum (5) sets up cooperation seam (5-1), and protecgulum (5) is by coordinating seam (5-1)
Stationary part assembling with the engine for driving generator is integral, and protecgulum (5) sets up one and coordinates seam (5-2) in inner side,
Protecgulum (5) assembles integral by coordinating seam (1-2) and fastener (4) and support (1).
Further, one is set up on the outside of flywheel side wall (6-1) and coordinates seam (6-2), flywheel (6) is by coordinating
Seam (6-2) and fastener (9) are integral with the rotating part assembling of engine.
Further, it is characterized in that, an air outlet (1-3) is set on described support (1), covered in described support
If an air inlet (17).
Structural feature of the invention is：
1st, the motor of a relatively high power is made into external rotor electric machine, is arranged on the outside of the circumference of system, rotor outside, stator
Including, there is an inner space inside of the stator of this spline structure, the present invention using this inner space install another it is smaller
Power motor.The axial volume of whole system is not take up due to the motor of smaller power, so, system space is greatlyd save,
Also save cost；
2nd, due to the side wall (6-1) of flywheel (6) is designed as into the inclined disk like dish structure in a direction to motor, then by fan blade
(7), wind guide vane (12) is altogether an entirety with side wall (6-1), had both realized fan blade and has conveyed air cooled function, is increased again
The rotary inertia of system, to motor for the stable operation of generator used time is highly beneficial, in addition, by fan blade (7), yoke (11-
1) wind guide vane (12) is attached to the global design on flywheel (6), also greatlys save space hold and saves cost；
3rd, system is designed to that the driving of the system directly is terminated into engine (during generator operation) or load (motor running
When) drive end, i.e., using engine (during generator operation) or load, (support is wanted, axle for the support of one end (during motor running)
Hold), the bearing and its support meanss of drive end before in legacy system are eliminated, only the air inlet part below sets
Bearing and its support meanss after putting one, cost-effective and volume current, moreover it is possible to ensure the mechanical strength of system.
Beneficial effects of the present invention：
1st, motor B has been nested with motor A, has saved volume, weight, reduces cost；
2nd, increased the rotary inertia of flywheel and whole system；
3rd, when being run as system generator, due to two generator coaxle operations, work(standby each other can conveniently be realized
Energy；
4th, can be using a motor as generator operation, another, as motor running, is used less volume cost, is realized
Some specific functions, such as Power convert, frequency conversion.
Brief description of the drawings
Fig. 1 is profile of the invention；
Fig. 2 is the perspective cross section of present example.
Specific embodiment
As shown in Fig. 2 of the invention be coaxially nested with bi-motor structure, and it is a structure for double-generator system, this is
System can simultaneously convey two kinds of power supplys of 120kW, 460Hz, 380V medium frequency alternating current and 70kW, 960Hz, 400V alternating current for using.
It is motor A by a 120kW generator for relatively high power, is outer rotor generator, its stator interior space is coaxially nested with
It is mounted with that another generator of smaller power 70kW is motor B.
It is nested with by two motor coaxles of A, B and is formed, generator A is outer-rotor structure, by motor A stators (3), motor A
Rotor (2), flywheel (6), fan blade (7), wind guide vane (12), support (1), protecgulum (5), rotating shaft (13), support lid (15), fastener
(4) and bearing (14) composition；Motor B is inner rotor core, by the motor B for being coaxially nested in motor A stator circumferences inner space
Stator (10), generator B rotors (11) compositions, rotor and the rotor of generator B of 120kW generators (motor A) are installed in
On the side wall of flywheel (6).
Further, described support (1) constitutes a nest, its list by excircle, inner periphery, air outlet (1-3)
The section on side is in C fonts, and excircle is integral with protecgulum (5) firmware (4) assembling, and the outside of inner periphery installs motor A stators
(3), motor B stators (10) is installed in the inside of inner periphery (1-2).
Further, the side wall of described flywheel (6) is a disk like dish structure, and side wall (6-1) inclines to the direction of motor
Oblique some angles, with side wall (6-1) altogether for one is overall, fan blade (7) is wind guide vane to the extension of air inlet to fan blade (7)
(12).Due to the side wall (6-1) of flywheel (6) is designed as into the inclined disk like dish structure in a direction to motor, then by fan blade
(7), wind guide vane (12) is altogether an entirety with side wall, had both realized fan blade and has conveyed air cooled function, and flywheel is increased again
The moment of inertia, to motor for the stable operation of generator used time is highly beneficial, in addition, fan blade (7), yoke, wind guide vane (12) are tied
The global design on flywheel (6) is closed, space hold is also greatlyd save and is saved cost.
Further, the yoke of motor A rotors (2) and the side wall of flywheel (6) are altogether an entirety.
Further, the yoke of the yoke of motor B rotors (2) and motor B rotors (11) is altogether one with wind guide vane (12)
It is overall.
Further, the inner circle of support (1) encloses one support lid (15) of exterior space installation, and support lid (15) side is set up
One bearing chamber (16), bearing (14) is in the bearing chamber (16) of support lid (15).
Further, the protecgulum (5) sets up a cooperation seam, and protecgulum (5) is by coordinating seam and driving generator
Engine stationary part assembling it is integral, protecgulum (5) sets up a cooperation seam in inner side, and protecgulum (5) is stopped by coordinating
Mouth and fastener (4) are integral with support (1) assembling.
Further, a cooperation seam is set up on the outside of the wall of flywheel side, flywheel (6) is by coordinating seam and fastener
(9) the rotating part assembling with engine is integral.
Further, an air outlet is set on support (1), is covered in described support and is set an air inlet (17).
Further, the yoke of motor A rotors (2) and the side wall of flywheel (6) are altogether an entirety.
Further, motor B rotors (11), yoke and wind guide vane (12) are altogether an entirety.
The driving of the system is directly terminated into engine (during generator operation) or load drives (during motor running)
End, i.e., the support (support will, bearing etc.) of one end (during motor running) using engine (during generator operation) or load,
The bearing and its support meanss of drive end before in legacy system are eliminated, only after air inlet part below sets one
Bearing and its support meanss, while cost-effective and volume, moreover it is possible to ensure the mechanical strength of system.
Motor A is nested with due to motor B, volume, weight has been saved, cost has been reduced, the design of integration increased
The rotary inertia of system, two generator coaxle operations, can conveniently realize function standby each other.
Claims (9)
1. one kind is coaxially nested with bi-motor structure, it is characterized in that, it is nested with by two motor coaxles of A, B and is formed：Motor A is outer
Rotor structure, by motor A stators (3), motor A rotors (2), flywheel (6), fan blade (7), wind guide vane (12), support (1), protecgulum
(5), rotating shaft (13), support lid (15), fastener (4) and bearing (14) composition；Motor B is inner rotor core, by coaxial nested
Motor B stators (10), motor B rotors (11) composition in generator A stator circumferences inner space, the rotor (2) of the motor A
On the side wall (6-1) of flywheel (6), fan blade (7), wind guide vane (12) are arranged on the side wall (6-1) of flywheel (6), motor B
Rotor (11) be arranged on wind guide vane (12).
2. one kind according to claim 1 is coaxially nested with bi-motor, it is characterized in that, the support (1) is by excircle (1-
1), inner periphery (1-2), air outlet (1-3) constitute a nest, its unilateral section be in C fonts, excircle (1-1) with it is preceding
Lid (5) firmware (4) assembling is integral, and the outside of inner periphery (1-2) installs motor A stators (3), the inside peace of inner periphery (1-2)
Dress motor B stators (10).
3. one kind according to claim 1 is coaxially nested with motor, it is characterized in that, the side wall (6-1) of the flywheel (6) is
One disk like dish structure, side wall (6-1) inclines some angles to the direction of motor, and fan blade (7) is with side wall (6-1) altogether for one is whole
Body, fan blade (7) is wind guide vane (12) to the extension of air inlet.
4. one kind according to claim 1 is nested with integral shaft generator, it is characterized in that, the yoke of the motor A rotors (2)
(2-1) is altogether an entirety with the side wall (6-1) of flywheel (6).
5. one kind according to claim 1 is nested with coaxial bi-motor, it is characterized in that, the magnetic of the motor B rotors (11)
The yoke (11-1) of yoke (11-1) and motor B rotors (11) is altogether an entirety with wind guide vane (12).
6. one kind according to claim 1 is coaxially nested with bi-motor, it is characterized in that, the inner circle of described support (1) is enclosed
(1-2) exterior space installs support lid (15), and a bearing chamber (16) is set up in support lid (15) side, and bearing (14) is installed
In the bearing chamber (16) of support lid (15).
7. one kind according to claim 1 is nested with coaxial bi-motor, it is characterized in that, the protecgulum (5) is set up one and is matched somebody with somebody
Seam (5-1) is closed, protecgulum (5) assembles integral by coordinating seam (5-1) with the stationary part of the engine for driving generator,
Protecgulum (5) sets up one and coordinates seam (5-2) in inner side, and protecgulum (5) is by coordinating seam (1-2) and fastener (4) and support
(1) assemble integral.
8. one kind according to claim 1 is nested with coaxial motor, it is characterized in that, the outside of flywheel side wall (6-1)
Setting up one coordinates seam (6-2), flywheel (6) to be dispensed with the rotation section of engine by coordinating seam (6-2) and fastener (9)
With integral.
9. one kind according to claim 1 is nested with integral shaft generator, it is characterized in that, set one on described support (1)
Individual air outlet (1-3), covers in described support and sets an air inlet (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710037178.7A CN106787536A (en) | 2017-01-19 | 2017-01-19 | One kind is coaxially nested with bi-motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710037178.7A CN106787536A (en) | 2017-01-19 | 2017-01-19 | One kind is coaxially nested with bi-motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106787536A true CN106787536A (en) | 2017-05-31 |
Family
ID=58943374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710037178.7A Pending CN106787536A (en) | 2017-01-19 | 2017-01-19 | One kind is coaxially nested with bi-motor structure |
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| Country | Link |
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| CN (1) | CN106787536A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106990522A (en) * | 2017-06-05 | 2017-07-28 | 郑州大学第附属医院 | The electric adjusting apparatus of micro- mirror scanning type article carrying platform |
| CN111409440A (en) * | 2020-04-26 | 2020-07-14 | 青岛海翎源智技术研发有限公司 | Double-motor nested electric stepless speed change electromechanical integrated system |
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|---|---|---|---|---|
| DE102004004744A1 (en) * | 2004-01-30 | 2005-08-18 | Robert Bosch Gmbh | Multiphase electrical machine especially starter generator for combustion engine has rotary position sensor system with fixed and rotating parts and eddy current sensor |
| CN1805245A (en) * | 2005-01-13 | 2006-07-19 | 奇瑞汽车有限公司 | Electrical motor for mixed power vehicles |
| CN201629633U (en) * | 2010-02-02 | 2010-11-10 | 株洲南车时代电气股份有限公司 | Permanent magnet generator connected together with engine |
| CN102386734A (en) * | 2011-11-30 | 2012-03-21 | 重庆长安汽车股份有限公司 | Permanent magnet synchronous motor for extended range electric automobile |
| CN104333167A (en) * | 2014-10-23 | 2015-02-04 | 南车株洲电机有限公司 | Electric wheel dump truck and totally-enclosed water-cooling base frequency-conversion speed-regulation asynchronous traction motor thereof |
| CN204312618U (en) * | 2014-12-12 | 2015-05-06 | 吉林大学 | Embedded rotator type magnetic flow liquid double mass flywheel torshional vibration damper |
| CN104734437A (en) * | 2015-03-13 | 2015-06-24 | 中国人民解放军总后勤部建筑工程研究所 | Axial opposite magnet rare earth permanent magnet generator |
-
2017
- 2017-01-19 CN CN201710037178.7A patent/CN106787536A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004004744A1 (en) * | 2004-01-30 | 2005-08-18 | Robert Bosch Gmbh | Multiphase electrical machine especially starter generator for combustion engine has rotary position sensor system with fixed and rotating parts and eddy current sensor |
| CN1805245A (en) * | 2005-01-13 | 2006-07-19 | 奇瑞汽车有限公司 | Electrical motor for mixed power vehicles |
| CN201629633U (en) * | 2010-02-02 | 2010-11-10 | 株洲南车时代电气股份有限公司 | Permanent magnet generator connected together with engine |
| CN102386734A (en) * | 2011-11-30 | 2012-03-21 | 重庆长安汽车股份有限公司 | Permanent magnet synchronous motor for extended range electric automobile |
| CN104333167A (en) * | 2014-10-23 | 2015-02-04 | 南车株洲电机有限公司 | Electric wheel dump truck and totally-enclosed water-cooling base frequency-conversion speed-regulation asynchronous traction motor thereof |
| CN204312618U (en) * | 2014-12-12 | 2015-05-06 | 吉林大学 | Embedded rotator type magnetic flow liquid double mass flywheel torshional vibration damper |
| CN104734437A (en) * | 2015-03-13 | 2015-06-24 | 中国人民解放军总后勤部建筑工程研究所 | Axial opposite magnet rare earth permanent magnet generator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106990522A (en) * | 2017-06-05 | 2017-07-28 | 郑州大学第附属医院 | The electric adjusting apparatus of micro- mirror scanning type article carrying platform |
| CN111409440A (en) * | 2020-04-26 | 2020-07-14 | 青岛海翎源智技术研发有限公司 | Double-motor nested electric stepless speed change electromechanical integrated system |
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