CN207902140U - A kind of integrated form power drive for electric vehicle and control system - Google Patents
A kind of integrated form power drive for electric vehicle and control system Download PDFInfo
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- CN207902140U CN207902140U CN201820093140.1U CN201820093140U CN207902140U CN 207902140 U CN207902140 U CN 207902140U CN 201820093140 U CN201820093140 U CN 201820093140U CN 207902140 U CN207902140 U CN 207902140U
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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
- Y02T10/72—Electric energy management in electromobility
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Abstract
The utility model provides a kind of integrated form power drive for electric vehicle and control system, including driving motor, the driving motor includes sharing engine base, motor and retarder shaft, stator, rotor, level-one driven gear, two level driving gear shaft, two level driven gear and differential mechanism, the stator is arranged on the shared engine base, the rotor is arranged on the stator, the motor and retarder shaft are connect with the rotor, the motor and retarder shaft are connected with level-one driving gear, the level-one driving gear is meshed with the level-one driven gear.The utility model has the beneficial effects that:Shared engine base is used to substitute traditional engine base, drive end bearing bracket and big babinet, using motor and retarder shaft, avoid spline connection structure, without spline failure risk when high speed impact big load is run, connecting, part is few, and part manufacturing procedure is few, and accumulated error is small after assembly, product quality is obviously improved, and reduces cost.
Description
Technical field
The utility model is related to electric vehicle more particularly to a kind of integrated form power drive for electric vehicle and control systems
System.
Background technology
Current power drive for electric vehicle and control system are made of driving motor+electric machine controller+retarder, are driven
Dynamic motor, electric machine controller, retarder are individually independent component, and electric machine controller couples driving electricity by three-phase electricity cable
Machine, driving motor is assembled into assembly by a set of inside and outside spline pair and mating surface with retarder, as shown in Figure 1, driving motor packet
Rear end cap 1, shaft 2, stator 3, rotor 4, engine base 5, drive end bearing bracket 6 are included, retarder includes big babinet 7, input shaft (level-one driving tooth
Wheel) 8, small box 9, level-one driven gear 10, two level driving gear shaft 11, two level driven gear 12, differential mechanism 13, semiaxis 14;
Driving motor is connect with electric machine controller 15 by cooling water pipe 17, and batteries of electric automobile supplies electricity to electric machine controller 15, passes through
Three-phase electricity cable 16 supplies electricity to driving motor, and shaft 2 is by two bearing supports, and rotor 4 and shaft 2 are revolved after driving motor is powered
Turn, controllable rotating speed and torque are provided, by spline pair connection 18 by power input reducer, input shaft 8 is by two bearing branch
Support is rotated and is engaged with level-one driven gear 10, and level-one driven gear 10 is driven to rotate;Level-one driven gear 10 and two level active
The rigid connection of gear shaft 11 is for component and by two bearing supports, to be rotated together with two level driving gear;Two level driving tooth
Wheel is engaged with two level driven gear 12, and two level driven gear 12 is rigidly connected with differential mechanism 13 and by two bearing supports, thus
It is rotated together with two level driven gear 12 and completes to transfer power to differential mechanism after double reduction increases torque;Differential mechanism passes through flower
While key connection to both sides semiaxis output power, allows both sides semiaxis to be rotated with different rotating speeds, meet the turning of two sidecar wheels
When make Unequal distance traveling.
The defect of the prior art is as follows:
1. the shaft 2 of driving motor uses spline duplicate invoice with the input shaft 8 of retarder with two seperated axis, centre are used
Connect 18, when high vehicle speeds and rotary speed unstabilization is fixed very common, since interior external splines attachment tooth side need to have certain gap, flank
Gap, which can mutually collide, generates high temperature, abrasion, abnormal sound, fatigue failure, of high cost;
2. driving motor engine base 5, drive end bearing bracket 6 use seperated three sections with the big babinet of retarder, series connection part is more, processes sequence
More, materials are more, weight weight, and accumulated error is big after assembly, of high cost;
3. driving motor and the use of electric machine controller 15 are completely seperated, longer three-phase electricity cable 16 and cooling water need to be used
Pipe 17, it is of high cost.
Invention content
In order to solve the problems in the prior art, the utility model provides a kind of integrated form power drive for electric vehicle
And control system.
The utility model provides a kind of integrated form power drive for electric vehicle and control system, including driving motor,
The driving motor includes sharing engine base, motor and retarder shaft, stator, rotor, level-one driven gear, two level driving tooth
Wheel shaft, two level driven gear and differential mechanism, the stator are arranged on the shared engine base, and the rotor is arranged in the stator
On, the motor and retarder shaft are connect with the rotor, and the motor and retarder shaft are connected with level-one actively
Gear, the level-one driving gear are meshed with the level-one driven gear, the level-one driven gear and two level active
Gear axis connection, the two level driving gear shaft are equipped with two level driving gear, the two level driving gear and the two level from
Moving gear is meshed, and the two level driven gear is rigidly connected with the differential mechanism, and reducer input shaft is integrated into motor shaft
Motor and retarder shaft.
The shared engine base is connected with rear end cap as a further improvement of the utility model, and the rear end cap is equipped with
Electric machine controller, the electric machine controller are electrically connected with the driving motor.
The electric machine controller is electrically connected with the driving motor by short copper bar as a further improvement of the utility model,
It connects.
The driving motor is equipped with driving motor water inlet, the motor as a further improvement of the utility model,
Controller is equipped with electric machine controller water outlet, the electric machine controller water outlet by cooling water pipe and the driving motor into
The mouth of a river connects.
The driving motor further includes semiaxis as a further improvement of the utility model, and the differential mechanism passes through spline
With half axis connection.
The utility model has the beneficial effects that:Through the above scheme, shared engine base is used to substitute traditional engine base, front end
Lid and big babinet reduce number of parts, and series connection part is few, and assembly is simple, and materials are few, light-weight, and accumulated error is small after assembly,
Product quality is obviously improved, and reduces cost;Using motor and retarder shaft, spline connection structure is avoided,
Without spline failure risk when high speed impact big load is run, series connection part is few, and part manufacturing procedure is few, accumulated error after assembly
Small, product quality is obviously improved, and reduces cost.
Description of the drawings
Fig. 1 is the schematic diagram of tradition power drive for electric vehicle and control system.
Fig. 2 is the schematic internal view of a kind of integrated form power drive for electric vehicle of the utility model and control system.
Fig. 3 is the outside schematic diagram of a kind of integrated form power drive for electric vehicle of the utility model and control system.
Specific implementation mode
The utility model is described in further detail for explanation and specific implementation mode below in conjunction with the accompanying drawings.
As shown in Figure 2 to Figure 3, a kind of integrated form power drive for electric vehicle and control system, including driving motor, institute
It includes sharing engine base 5, motor and retarder shaft 2, stator 3, rotor 4, level-one driven gear 7, two level master to state driving motor
Movable gear shaft 8, two level driven gear 9 and differential mechanism 10, the stator 3 are arranged on the shared engine base 5, and the rotor 4 is set
It sets on the stator 3, the motor and retarder shaft 2 are connect with the rotor 4, the motor and retarder shaft
2 are connected with level-one driving gear, and the level-one driving gear is meshed with the level-one driven gear 7, the level-one driven tooth
Wheel 7 is connect with the two level driving gear shaft 8, and the two level driving gear shaft 8 is equipped with two level driving gear, the two level master
Moving gear is meshed with the two level driven gear 9, and the two level driven gear 9 is rigidly connected with the differential mechanism 10, slows down
Device input shaft is integrated into motor and retarder shaft 2 with motor shaft.
As shown in Figure 2 to Figure 3, the shared engine base 5 is connected with rear end cap 1, and the rear end cap 1 is equipped with electric machine controller
12, the electric machine controller 12 is electrically connected with the driving motor.
As shown in Figure 2 to Figure 3, the electric machine controller 12 is electrically connected with the driving motor by short copper bar 13.
As shown in Figure 2 to Figure 3, the driving motor is equipped with driving motor water inlet 16, is set on the electric machine controller
There are electric machine controller water outlet 15, the electric machine controller water outlet 15 to pass through cooling water pipe 14 and the driving motor water inlet
16 connections.
A kind of integrated form power drive for electric vehicle provided by the utility model and control system, its working principle is that:
Batteries of electric automobile supplies electricity to electric machine controller 12, and electric machine controller 12 supplies electricity to driving motor by short copper bar 13, motor and
Retarder shaft 2 is by two bearing supports, and after driving motor is powered, rotor 4 and motor and retarder shaft 2 rotate, and carry
For controllable rotating speed and torque spline is not necessarily to since reducer input shaft and motor shaft are integrated into motor and retarder shaft 2
Duplicate invoice connects, and rotation is directly engaged by power input reducer and with level-one driven gear 7, and level-one driven gear 7 is driven to rotate;One
Grade driven gear 7 is rigidly connected with two level driving gear shaft 8 for component and by two bearing supports, thus with two level driving gear
It rotates together;Two level driving gear is engaged with two level driven gear 9, two level driven gear 9 and differential mechanism 10 be rigidly connected and by
Two bearing supports are completed to transfer power to difference after double reduction increases torque to rotate together with two level driven gear 9
Fast device 10;While differential mechanism 10 is connected by spline to the output power of both sides semiaxis 11, allow both sides semiaxis 11 with different
Rotating speed rotates, and makees Unequal distance traveling when meeting the turning of two sidecar wheels.
A kind of integrated form power drive for electric vehicle provided by the utility model and control system, mainly by driving electricity
Mechanical, electrical machine controller, retarder composition, are applied to electric vehicle field, and providing driving on electric vehicle for vehicle moves
Power and control system.
Driving motor and retarder are highly integrated as follows:
1. motor and retarder shaft 2 substitute reducer input shaft and motor shaft in the prior art.
2. shared engine base 5 substitutes engine base in the prior art, drive end bearing bracket, big babinet.
Driving motor is locally integrated as follows with electric machine controller:
1. electric machine controller 12 couples driving motor by short copper bar 13, three-phase electricity cable in the prior art is substituted.
2. shorter 14 unicom of cooling water pipe is used only with driving motor water inlet 16 in electric machine controller water outlet 15, substitute
Longer cooling water pipe in the prior art.
A kind of integrated form power drive for electric vehicle provided by the utility model and control system, have the following advantages:
1. driving motor shaft uses shaft (coaxial) with reducer input shaft, without flower when high speed impact big load is run
Key failure risk, series connection part is few, and part manufacturing procedure is few, and accumulated error is small after assembly, and product quality is obviously improved, and
Reduce cost.
2. driving motor engine base, drive end bearing bracket and the big babinet of retarder are integrated into shared engine base 5, subtract than conventional two-piece technology
Few driving motor drive end bearing bracket, two pieces spring bearing and connection bolt, series connection part is few, and assembly is simple, and materials are few, light-weight, dress
Small with rear accumulated error, product quality is obviously improved, and reduces cost.
3. driving motor and 12 part of electric machine controller are integrated, are coupled using short copper bar 13, saved than conventional two-piece technology
Three-phase electricity cable is removed, cooling water pipe dosage is greatly decreased, spaces compact is being arranged convenient for vehicle, reducing cost.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the scope of protection of the utility model.
Claims (4)
1. a kind of integrated form power drive for electric vehicle and control system, it is characterised in that:Including driving motor, the driving
Motor includes sharing engine base, the motor for being integrated with reducer input shaft and motor shaft and retarder shaft, stator, rotor, one
Grade driven gear, two level driving gear shaft, two level driven gear and differential mechanism, the stator are arranged on the shared engine base,
The rotor is arranged on the stator, and the motor and retarder shaft are connect with the rotor, the motor and deceleration
Device shaft is connected with level-one driving gear, and the level-one driving gear is meshed with the level-one driven gear, the level-one
Driven gear and the two level driving gear axis connection, the two level driving gear shaft are equipped with two level driving gear, and described two
Grade driving gear is meshed with the two level driven gear, and the two level driven gear is rigidly connected with the differential mechanism.
2. integrated form power drive for electric vehicle according to claim 1 and control system, it is characterised in that:It is described total
It is connected with rear end cap with engine base, the rear end cap is equipped with electric machine controller, the electric machine controller and driving motor electricity
Connection.
3. integrated form power drive for electric vehicle according to claim 2 and control system, it is characterised in that:The electricity
Machine controller is electrically connected with the driving motor by short copper bar.
4. integrated form power drive for electric vehicle according to claim 2 and control system, it is characterised in that:The drive
Dynamic motor is equipped with driving motor water inlet, and the electric machine controller is equipped with electric machine controller water outlet, the motor control
Device water outlet is connect by cooling water pipe with the driving motor water inlet.
Priority Applications (1)
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CN201820093140.1U CN207902140U (en) | 2018-01-19 | 2018-01-19 | A kind of integrated form power drive for electric vehicle and control system |
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CN201820093140.1U CN207902140U (en) | 2018-01-19 | 2018-01-19 | A kind of integrated form power drive for electric vehicle and control system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108177514A (en) * | 2018-01-19 | 2018-06-19 | 深圳市大地和电气股份有限公司 | A kind of integrated form power drive used for electric vehicle and control system |
CN112498077A (en) * | 2020-09-30 | 2021-03-16 | 西门子电动汽车动力总成系统(上海)有限公司 | Electric drive assembly system and vehicle |
-
2018
- 2018-01-19 CN CN201820093140.1U patent/CN207902140U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108177514A (en) * | 2018-01-19 | 2018-06-19 | 深圳市大地和电气股份有限公司 | A kind of integrated form power drive used for electric vehicle and control system |
CN112498077A (en) * | 2020-09-30 | 2021-03-16 | 西门子电动汽车动力总成系统(上海)有限公司 | Electric drive assembly system and vehicle |
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