CN209305329U - 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
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- CN209305329U CN209305329U CN201821768597.4U CN201821768597U CN209305329U CN 209305329 U CN209305329 U CN 209305329U CN 201821768597 U CN201821768597 U CN 201821768597U CN 209305329 U CN209305329 U CN 209305329U
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- motor
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- electric car
- axle housing
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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
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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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Electric Propulsion And Braking For Vehicles (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model provides a kind of double drive motor that 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 described in the utility model 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 utility model belongs to new-energy automobile field, 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 utility model is directed to a kind of double drive motor that dedicated two end of electric car independently exports,
To provide 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 solution of the utility model is achieved in that
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 axle housing inside, and the electric machine controller signal is connected to the left motor stator
With right motor stator, the shaft of the left rotor is directly connected to left wheel, and the shaft of the right rotor is directly connected to
Right wheel is equipped with bearing holder (housing, cover) between the shaft of the left rotor, the shaft and the driving axle housing of the right rotor,
Vehicle frame is connected to by the left suspension connector, the right suspension connector outside the driving axle housing.
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 right 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 tool that dedicated two end of electric car described in the utility model independently exports
There is following advantage:
(1) the double drive motor that dedicated two end of electric car described in the utility model independently exports, structure are simple, reliable
Property it is high, drive axle is integrated with driving motor, has saved space, alleviated self weight, is convenient for electromobile modularization design.
(2) the double drive motor that dedicated two end of electric car described in the utility model independently exports, motor are straight with wheel
It connects connected, does not need transmission system, the device space and weight will be greatlyd save, while having saved economic cost, extend driving
The service life of motor.
(3) the double drive motor that dedicated two end of electric car described in the utility model independently exports, motor braking pass through
The braking torque for improving motor can save brake system；Two driving motors directly drive two wheels, do not need differential mechanism,
Torque by 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 utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the double drive motor cross-sectional view that dedicated two end of electric car described in the utility model embodiment independently exports
Structural schematic diagram；
Fig. 2 is the structural schematic diagram of upper motor casing described in the utility model embodiment.
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 the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should 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 describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model 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 control are installed inside the driving axle housing
Device signal processed is connected to the left motor stator 31 and right motor stator 41, and the shaft of the left rotor 32 is directly connected to a left side
The shaft of 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 right motor shaft bearing sleeve 10.
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 above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (9)
1. a kind of double drive motor that dedicated two end of electric car independently exports, it is characterised in that: including upper motor casing (1), under
Motor 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 axle housing, the left motor (3) for the upper motor casing (1) and the lower motor casing (2)
Including left motor stator (31) and left rotor (32), the right motor (4) includes that right motor stator (41) and right motor turn
Sub (42), the left motor stator (31) and the right motor stator (41) are respectively and fixedly installed to inside the driving axle housing
The electric machine controller is installed in two sides, the driving axle housing inside, and it is fixed that the electric machine controller signal is connected to the left motor
Sub (31) and right motor stator (41), the shaft of the left rotor (32) are directly connected to left wheel (7), and the right motor turns
The shaft of sub (42) is directly connected to right wheel (8), and the shaft of the left rotor (32), the right rotor (42) turn
It is equipped with bearing holder (housing, cover) between axis and the driving axle housing, passes through the left suspension connector (5), the right side outside the driving axle housing
Suspension connector (6) is connected to vehicle frame.
2. 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) and the lower motor casing (2) are all iron castings.
3. 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 (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 right motor shaft bearing sleeve (10).
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 |
|---|---|---|---|
| CN201821768597.4U CN209305329U (en) | 2018-10-29 | 2018-10-29 | A kind of double drive motor that dedicated two end of electric car independently exports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821768597.4U CN209305329U (en) | 2018-10-29 | 2018-10-29 | A kind of double drive motor that dedicated two end of electric car independently exports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209305329U true CN209305329U (en) | 2019-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821768597.4U Active CN209305329U (en) | 2018-10-29 | 2018-10-29 | A kind of double drive motor that dedicated two end of electric car independently exports |
Country Status (1)
| Country | Link |
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| CN (1) | CN209305329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654152A (en) * | 2020-06-15 | 2020-09-11 | 博雅工道（北京）机器人科技有限公司 | Single-drive double-shaft motor and mechanical arm |
-
2018
- 2018-10-29 CN CN201821768597.4U patent/CN209305329U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654152A (en) * | 2020-06-15 | 2020-09-11 | 博雅工道（北京）机器人科技有限公司 | Single-drive double-shaft motor and mechanical arm |
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