CN109130820A - A kind of double drive motor that dedicated two end of electric car independently exports - Google Patents
A kind of double drive motor that dedicated two end of electric car independently exports Download PDFInfo
- Publication number
- CN109130820A CN109130820A CN201811271865.6A CN201811271865A CN109130820A CN 109130820 A CN109130820 A CN 109130820A CN 201811271865 A CN201811271865 A CN 201811271865A CN 109130820 A CN109130820 A CN 109130820A
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- Prior art keywords
- motor
- rotor
- dedicated
- shaft
- casing
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
-
- 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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
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- 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
-
- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides the double drive motors that a kind of dedicated two end of electric car independently exports, including upper motor casing, lower motor casing, left motor and right motor, the upper motor casing and the lower motor casing detachably install the fixed driving axle housing of composition, the left motor includes left motor stator and left rotor, the right motor includes right motor stator and right rotor, the left motor stator and right motor stator are respectively and fixedly installed to the two sides inside driving axle housing, the shaft of left rotor is directly connected to left wheel, the shaft of right rotor is directly connected to right wheel, the shaft of left rotor, bearing holder (housing, cover) is equipped between the shaft and driving axle housing of right rotor, pass through left suspension connector outside the driving axle housing, right suspension connector is connected to vehicle frame.The double drive motor that dedicated two end of electric car of the present invention independently exports, structure is simple, high reliablity, and drive axle is integrated with driving motor, has saved space, alleviated self weight, is convenient for electromobile modularization design.
Description
Technical field
The invention belongs to new-energy automobile fields, more particularly, to the drive system of new-energy automobile.
Background technique
The driving method of electric car is usually that driving motor adds differential mechanism.Driving motor is transferred to drive axle, drive axle
Two wheels are respectively driven by differential mechanism.To improve drive system, Direct wheel drives system and hub drive system are opened in succession
It issues, Direct wheel drives system and hub drive system are all multi-motors drive systems, all reduce transmission loss.Wheel motor
Need to be transferred to the semiaxis of drive axle, structure is relative complex, and wheel motor has certain weight and volume, influences vehicle
Space layout and design.Using In-wheel motor driving, differential mechanism is not needed, two or four hub motors directly drive electronic vapour
Vehicle.But the heat dissipation performance of hub motor is bad, and the performance degradation of motor is very fast, influences motor service life.
Summary of the invention
In view of this, the present invention is directed to propose the double drive motor that a kind of dedicated two end of electric car independently exports, to mention
For a kind of double drive motor that dedicated two end of electric car of simple structure and low cost, high reliablity independently exports.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of double drive motor that dedicated two end of electric car independently exports, including upper motor casing, lower motor casing, left electricity
Machine, right motor, left suspension connector and right suspension connector, the upper motor casing and the lower motor casing detachably install composition
Fixed driving axle housing, the left motor include left motor stator and left rotor, the right motor include right motor stator and
Right rotor, the left motor stator and the right motor stator are respectively and fixedly installed to two inside the driving axle housing
The electric machine controller is installed in side, the driving motor shell inside, and it is fixed that the electric machine controller signal is connected to the left motor
Sub and right motor stator, the shaft of the left rotor are directly connected to left wheel, and the shaft of the right rotor directly connects
Right wheel is connect, bearing is equipped between the shaft of the left rotor, the shaft and the driving axle housing of the right rotor
Set, the driving axle housing outside are connected to vehicle frame by the left suspension connector, the right suspension connector.
Further, the upper motor casing and the lower motor casing are all iron castings.
Further, the left motor and the right motor are all permanent magnet synchronous motors.
Further, the upper motor casing is identical with the structure of the lower motor casing, centered on the upper motor casing
Symmetrical structure, uniformly distributed several card slots on the inner wall of the upper motor casing, the coil outside the card slot and the left motor stator
Clamping is clamped with the coil outside the right motor stator, and cable passage is equipped among the inner wall of the upper motor casing.
Further, the bearing holder (housing, cover) includes left motor shaft bearing sleeve and right motor shaft bearing sleeve, and the left rotor turns
One end inside axis and the driving axle housing is installed by the left motor shaft bearing sleeve, the shaft and the driving of the right rotor
The other end inside axle housing installs the left motor shaft bearing sleeve.
Further, the electric machine controller is intelligent controller.
Further, the electric machine controller signal is connected to the ECU of automobile.
Further, the left motor stator and right motor stator are coil windings.
Further, the electric machine controller is between left motor and right motor, and route is connected to the left motor
The coil of the coil of stator and the right motor stator.
Compared with the existing technology, the double drive motor that dedicated two end of electric car of the present invention independently exports have with
Lower advantage:
(1) the double drive motor that dedicated two end of electric car of the present invention independently exports, structure is simple, reliability
Height, drive axle are integrated with driving motor, have saved space, alleviate self weight, design convenient for electromobile modularization.
(2) the double drive motor that dedicated two end of electric car of the present invention independently exports, motor and the direct phase of wheel
Even, transmission system is not needed, the device space and weight will be greatlyd save, while having saved economic cost, extend driving motor
Service life.
(3) the double drive motor that dedicated two end of electric car of the present invention independently exports, motor braking pass through raising
The braking torque of motor can save brake system；Two driving motors directly drive two wheels, do not need differential mechanism, pass through
The torque for controlling two motors can be convenient the turning for realizing automobile.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the knot for the double drive motor cross-sectional view that dedicated two end of electric car described in the embodiment of the present invention independently exports
Structure schematic diagram；
Fig. 2 is the structural schematic diagram of upper motor casing described in the embodiment of the present invention.
Description of symbols:
The upper motor casing of 1-；11- card slot；The cable passage 12-；Motor casing under 2-；The left motor of 3-；The left motor stator of 31-；32-
Left rotor；The right motor of 4-；The right motor stator of 41-；The right rotor of 42-；The left suspension installation site of 5-, 6 right suspension installations
Position；7- left wheel；The right wheel of 8-；The left motor shaft bearing sleeve of 9-；The right motor shaft bearing sleeve of 10-.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of double drive motor that dedicated two end of electric car independently exports, as depicted in figs. 1 and 2, including upper motor casing
1, lower motor casing 2, left motor 3, right motor 4, left suspension connector 5 and right suspension connector 6, the upper motor casing 1 and described
Detachably installation forms fixed driving axle housing to lower motor casing 2, and the left motor 3 includes left motor stator 31 and left rotor
32, the right motor 4 includes right motor stator 41 and right rotor 42, the left motor stator 31 and the right motor stator
41 are respectively and fixedly installed to the two sides inside the driving axle housing, and drive axle is integrated with driving motor, has saved space, subtract
Light self weight, is designed convenient for electromobile modularization；The electric machine controller, the motor are installed inside the driving motor shell
Controller signals are connected to the left motor stator 31 and right motor stator 41, and the shaft of the left rotor 32 is directly connected to
The shaft of left wheel 7, the right rotor 42 is directly connected to right wheel 8, and motor is connected directly with wheel, does not need power train
System；Bearing holder (housing, cover) is equipped between the shaft of the left rotor 32, the shaft and the driving axle housing of the right rotor 42,
Vehicle frame is connected to by the left suspension connector 5, the right suspension connector 6 outside the driving axle housing, motor braking leads to
The braking torque for crossing raising motor can save brake system.Two driving motors directly drive two wheels, do not need differential
Device, electric machine controller can be convenient the turning of realization automobile by controlling the torque of two motors.
The upper motor casing 1 and the lower motor casing 2 are all iron castings, and 200 millimeters of axle housing diameter, combination is fixed into
Driving axle housing, driving axle housing are also motor axle housing simultaneously.
The left motor 3 and the right motor 4 are all permanent magnet synchronous motors, and each power of motor is 30 kilowatts.
The left motor 3 and the right motor 4 share an electric machine controller, and electric machine controller is according to entire car controller
It is required that different torque and revolving speed can be had by controlling left motor 3 and the right motor 4, left motor 3 and the right motor 4.
The upper motor casing 1 is identical with the structure of the lower motor casing 2, and the upper motor casing 1 is center symmetrical junction
Structure, uniformly distributed several card slots 11 on the inner wall of the upper motor casing 1, the card slot 11 and the coil outside the left motor stator 31
Clamping is clamped with the coil outside the right motor stator 41, while card slot 11 also can be used as heat dissipation channel, have heat dissipation function
Energy；It is equipped with cable passage 12, convenient-laying cable among the inner wall of the upper motor casing 1, while being also heat dissipation channel, it is convenient to dissipate
Heat.
The bearing holder (housing, cover) includes left motor shaft bearing sleeve 9 and right motor shaft bearing sleeve 10, and the left motor turns (32 shaft and institute
It states one end inside driving axle housing and the left motor shaft bearing sleeve 9, the shaft of the right rotor 42 and the drive axle is installed
The other end inside shell installs the left motor shaft bearing sleeve 8.
The electric machine controller is intelligent controller.
The electric machine controller signal is connected to the ECU of automobile.
The left motor stator 31 and right motor stator 41 are coil windings.
The electric machine controller is between left motor 3 and right motor 4, and route is connected to the left motor stator 31
The coil of coil and the right motor stator 41.
A kind of installation process for the double drive motor that dedicated two end of electric car independently exports are as follows:
Upper motor casing 1 and lower motor casing 2 are all iron castings, and the diameter of upper motor casing 1 and lower motor casing 2 is 200 millis
Rice, combination are fixed into driving axle housing.Left motor 3 and right motor 4 are mounted on two sides inside axle housing, are isolated by groove 12, left electricity
Machine 3 and right motor 4 are all permanent magnet synchronous motors, and each power of motor is 30 kilowatts, and driving axle housing is also motor casing simultaneously.Left electricity
Machine stator 31 and the right motor stator 41 are fixed on axle housing, and the shaft of left rotor 32 and right rotor 42 directly connects
Left wheel 7 and right wheel 8 are connect, without transmission system.Have left suspension connector 5 and right suspension connector 6 on drive axle, be used to
Vehicle frame is connected.Left motor 3 and right motor 4 share an electric machine controller, and electric machine controller is according to the requirement control of entire car controller
Two motors are made, left motor 3 and right motor 4 can have different torque and revolving speed.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of driving motor that dedicated two end of electric car independently exports, it is characterised in that: including upper motor casing (1), lower electricity
Casing (2), left motor (3), right motor (4), electric machine controller, left suspension connector (5) and right suspension connector (6),
Detachably installation forms fixed driving motor shell, the left motor for the upper motor casing (1) and the lower motor casing (2)
It (3) include left motor stator (31) and left rotor (32), the right motor (4) includes right motor stator (41) and right motor
Rotor (42), the left motor stator (31) and the right motor stator (41) are respectively and fixedly installed in the driving motor shell
The electric machine controller is installed in the two sides in portion, the driving motor shell inside, and the electric machine controller signal is connected to the left side
The shaft of motor stator (31) and right motor stator (41), the left rotor (32) is directly connected to left wheel (7), the right side
The shaft of rotor (42) is directly connected to right wheel (8), the shaft of the left rotor (32), the right rotor
(42) it is equipped with bearing holder (housing, cover) between shaft and the driving motor shell, passes through the left suspension connection outside the driving motor shell
Part (5), the right suspension connector (6) are connected to vehicle frame.
2. the double drive motor that dedicated two end of electric car according to claim 1 independently exports, it is characterised in that: described
Upper motor casing (1) and the lower motor casing (2) are all iron castings.
3. the double drive motor that dedicated two end of electric car according to claim 1 independently exports, it is characterised in that: described
Left motor (3) and the right motor (4) are all permanent magnet synchronous motors.
4. the double drive motor that dedicated two end of a kind of electric car according to claim 1 independently exports, it is characterised in that:
The upper motor casing (1) is identical with the structure of the lower motor casing (2), and the upper motor casing (1) is center symmetrical structure,
Uniformly distributed several card slots (11) on the inner wall of the upper motor casing (1), the card slot (11) and the left motor stator (31) are external
Coil clamping, be clamped with the external coil of the right motor stator (41), line is equipped among the inner wall of the upper motor casing (1)
Cable channel (12).
5. the double drive motor that dedicated two end of a kind of electric car according to claim 1 independently exports, it is characterised in that:
The bearing holder (housing, cover) includes left motor shaft bearing sleeve (9) and right motor shaft bearing sleeve (10), the shaft of the left rotor (32) and institute
It states one end inside driving axle housing and the left motor shaft bearing sleeve (9), the shaft and the drive of the right rotor (42) is installed
The other end inside dynamic axle housing installs the left motor shaft bearing sleeve (8).
6. the double drive motor that dedicated two end of a kind of electric car according to claim 1 independently exports, it is characterised in that:
The electric machine controller is intelligent controller.
7. the double drive motor that dedicated two end of a kind of electric car according to claim 1 independently exports, it is characterised in that:
The electric machine controller signal is connected to the ECU of automobile.
8. the double drive motor that dedicated two end of a kind of electric car according to claim 1 independently exports, it is characterised in that:
The left motor stator (31) and right motor stator (41) are coil windings.
9. the double drive motor that dedicated two end of a kind of electric car according to claim 8 independently exports, it is characterised in that:
The electric machine controller is between left motor (3) and right motor (4), and route is connected to the line of the left motor stator (31)
The coil of circle and the right motor stator (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811271865.6A CN109130820B (en) | 2018-10-29 | 2018-10-29 | Two-end independent output double-drive motor special for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811271865.6A CN109130820B (en) | 2018-10-29 | 2018-10-29 | Two-end independent output double-drive motor special for electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109130820A true CN109130820A (en) | 2019-01-04 |
| CN109130820B CN109130820B (en) | 2023-10-03 |
Family
ID=64806364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811271865.6A Active CN109130820B (en) | 2018-10-29 | 2018-10-29 | Two-end independent output double-drive motor special for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109130820B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010027146A1 (en) * | 2000-01-19 | 2001-10-04 | Philip Spaziani | Electro-mechanical actuator |
| US20100133023A1 (en) * | 2009-01-29 | 2010-06-03 | Tesla Motors, Inc. | All wheel drive electric vehicle power assist drive system |
| US7739005B1 (en) * | 2009-02-26 | 2010-06-15 | Tesla Motors, Inc. | Control system for an all-wheel drive electric vehicle |
| CN103738167A (en) * | 2013-01-01 | 2014-04-23 | 刘忠刚 | High-power energy-saving electric automobile |
| CN105751880A (en) * | 2016-03-01 | 2016-07-13 | 陕西理工学院 | Direct-driving type driving device of electric vehicle |
| US20170253143A1 (en) * | 2009-01-29 | 2017-09-07 | Tesla Motors, Inc. | Control system for an all-wheel drive electric vehicle |
| US10093169B1 (en) * | 2015-07-09 | 2018-10-09 | Hydro-Gear Limited Partnership | Power and cooling system for utility vehicle |
-
2018
- 2018-10-29 CN CN201811271865.6A patent/CN109130820B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010027146A1 (en) * | 2000-01-19 | 2001-10-04 | Philip Spaziani | Electro-mechanical actuator |
| US20100133023A1 (en) * | 2009-01-29 | 2010-06-03 | Tesla Motors, Inc. | All wheel drive electric vehicle power assist drive system |
| US20170253143A1 (en) * | 2009-01-29 | 2017-09-07 | Tesla Motors, Inc. | Control system for an all-wheel drive electric vehicle |
| US7739005B1 (en) * | 2009-02-26 | 2010-06-15 | Tesla Motors, Inc. | Control system for an all-wheel drive electric vehicle |
| CN103738167A (en) * | 2013-01-01 | 2014-04-23 | 刘忠刚 | High-power energy-saving electric automobile |
| US10093169B1 (en) * | 2015-07-09 | 2018-10-09 | Hydro-Gear Limited Partnership | Power and cooling system for utility vehicle |
| CN105751880A (en) * | 2016-03-01 | 2016-07-13 | 陕西理工学院 | Direct-driving type driving device of electric vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109130820B (en) | 2023-10-03 |
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