CN108177514A - A kind of integrated form power drive used for electric vehicle and control system - Google Patents
A kind of integrated form power drive used for electric vehicle and control system Download PDFInfo
- Publication number
- CN108177514A CN108177514A CN201810053927.XA CN201810053927A CN108177514A CN 108177514 A CN108177514 A CN 108177514A CN 201810053927 A CN201810053927 A CN 201810053927A CN 108177514 A CN108177514 A CN 108177514A
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- Prior art keywords
- level
- motor
- shaft
- driven gear
- driving
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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
-
- 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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
-
- 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
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
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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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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The present invention provides a kind of integrated form power drive used for electric vehicle and control systems, 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 beneficial effects of the invention are as follows：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 assembling, product quality is obviously improved, and reduces cost.
Description
Technical field
The present invention relates to electric vehicle more particularly to a kind of integrated form power drive used for electric vehicle and control systems.
Background technology
Current power drive used 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 bearings, 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 bearings, so as 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 bearings, thus
It is rotated together with two level driven gear 12 and transfers power to differential mechanism after completing double reduction increase torque；Differential mechanism passes through flower
While key connection to both sides semiaxis output power, both sides semiaxis is allowed to be rotated with different rotating speeds, meets the turning of two sidecar wheels
When make Unequal distance traveling.
The defects of prior art, is as follows：
1. input shaft 8 of the shaft 2 of driving motor with retarder and two axis using split, centre are coupled using spline pair
18, during high vehicle speeds and rotary speed unstabilization is fixed very common, since interior external splines attachment tooth side need to have certain gap, between flank
Gap, which can be collided mutually, generates high temperature, abrasion, abnormal sound, fatigue failure, of high cost；
2. driving motor engine base 5, drive end bearing bracket 6 use three sections of split with the big babinet of retarder, series connection part is more, and processing sequence is more,
Materials are more, weight weight, and accumulated error is big after assembling, of high cost；
3. driving motor, using complete split, need to use longer three-phase electricity cable 16 and cooling water pipe with electric machine controller 15
17, it is of high cost.
Invention content
In order to solve the problems in the prior art, the present invention provides a kind of integrated form power drive used for electric vehicle and controls
System processed.
It is described including driving motor the present invention provides a kind of integrated form power drive used for electric vehicle and control system
Driving motor includes sharing engine base, motor and retarder shaft, stator, rotor, level-one driven gear, two level driving gear
Axis, two level driven gear and differential mechanism, the stator are arranged on the shared engine base, and the rotor is arranged on 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.
As a further improvement on the present invention, the shared engine base is connected with rear end cap, and the rear end cap is equipped with motor
Controller, the electric machine controller are electrically connected with the driving motor.
As a further improvement on the present invention, the electric machine controller is electrically connected with the driving motor by short copper bar.
As a further improvement on the present invention, the driving motor is equipped with driving motor water inlet, the motor control
Device is equipped with electric machine controller water outlet, and the electric machine controller water outlet passes through cooling water pipe and the driving motor water inlet
Connection.
As a further improvement on the present invention, the driving motor further includes semiaxis, and the differential mechanism passes through spline and institute
State half axis connection.
The beneficial effects of the invention are as follows：Through the above scheme, use shared engine base with substitute traditional engine base, drive end bearing bracket and
Big babinet reduces number of parts, and series connection part is few, and assembling is simple, and materials are few, light-weight, and accumulated error is small after assembling, product
Quality is obviously improved, and reduces cost；Using motor and retarder shaft, spline connection structure is avoided, at a high speed
Without spline failure risk when impacting big load operation, series connection part is few, and part manufacturing procedure is few, and accumulated error is small after assembling, production
Quality is obviously improved, and reduces cost.
Description of the drawings
Fig. 1 is the schematic diagram of tradition power drive used for electric vehicle and control system.
Fig. 2 is the schematic internal view of a kind of integrated form power drive used for electric vehicle of the present invention and control system.
Fig. 3 is the outside schematic diagram of a kind of integrated form power drive used for electric vehicle of the present invention and control system.
Specific embodiment
The invention will be further described for explanation and specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 2 to Figure 3, a kind of integrated form power drive used for electric vehicle and control system, including driving motor, institute
Driving motor is stated to include sharing engine base 5, motor and retarder shaft 2, stator 3, rotor 4, level-one driven gear 7, two level master
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 puts 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 is electric machine controller water outlet 15, the electric machine controller water outlet 15 passes through cooling water pipe 14 and the driving motor water inlet
16 connections.
A kind of integrated form power drive used for electric vehicle provided by the invention and control system, operation principle are：It is electronic
Automobile batteries supplies electricity to electric machine controller 12, and electric machine controller 12 supplies electricity to driving motor, motor and deceleration by short copper bar 13
Device shaft 2 is by two bearings, and after driving motor is powered, rotor 4 and motor and retarder shaft 2 rotate, and providing can
The rotating speed and torque of control, since reducer input shaft and motor shaft are integrated into motor and retarder shaft 2, without spline duplicate invoice
It connects, rotation is directly engaged by power input reducer and with level-one driven gear 7, level-one driven gear 7 is driven to rotate；Level-one from
Moving gear 7 is rigidly connected with two level driving gear shaft 8 for component and by two bearings, so as to together with two level driving gear
Rotation；Two level driving gear is engaged with two level driven gear 9, and two level driven gear 9 is rigidly connected and with differential mechanism 10 by two
Bearings are completed to transfer power to differential mechanism after double reduction increases torque so as to rotate together with two level driven gear 9
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 speeds
Rotation makees Unequal distance traveling when meeting the turning of two sidecar wheels.
A kind of integrated form power drive used for electric vehicle provided by the invention and control system, mainly by driving motor, electricity
Machine controller, retarder composition, applied to electric vehicle field, driving power and control are provided on electric vehicle for vehicle
System processed.
Driving motor and retarder are highly integrated as follows：
1. motor and retarder shaft 2 substitute reducer input shaft and motor shaft of the prior art.
2. shared engine base 5 substitutes engine base of 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 of 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 used for electric vehicle provided by the invention and control system, have the following advantages：
1. driving motor shaft, using shaft (coaxial), is lost with reducer input shaft when high speed impact big load is run without spline
Risk is imitated, series connection part is few, and part manufacturing procedure is few, and accumulated error is small after assembling, and product quality is obviously improved, and is reduced
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 assembling 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.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, it is impossible to assert
The specific implementation of the present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, several simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (4)
1. a kind of integrated form power drive used 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 used for electric vehicle according to claim 1 and control system, it is characterised in that：It is described common
Rear end cap is connected 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 used 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 used 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)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810053927.XA CN108177514A (en) | 2018-01-19 | 2018-01-19 | A kind of integrated form power drive used for electric vehicle and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810053927.XA CN108177514A (en) | 2018-01-19 | 2018-01-19 | A kind of integrated form power drive used for electric vehicle and control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108177514A true CN108177514A (en) | 2018-06-19 |
Family
ID=62550904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810053927.XA Pending CN108177514A (en) | 2018-01-19 | 2018-01-19 | A kind of integrated form power drive used for electric vehicle and control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108177514A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586648A (en) * | 2018-12-21 | 2019-04-05 | 上海昶嘉工业设备有限公司 | A kind of intelligent electric machine |
| CN109941079A (en) * | 2019-01-04 | 2019-06-28 | 奥马迪机器人有限公司 | A kind of guide car |
| CN110266146A (en) * | 2019-07-26 | 2019-09-20 | 上海中科深江电动车辆有限公司 | Electric driver |
| WO2020187314A1 (en) * | 2019-03-20 | 2020-09-24 | 爱驰汽车（上海）有限公司 | Integrated electric drive assembly and electric vehicle |
| CN112389190A (en) * | 2019-08-19 | 2021-02-23 | 比亚迪股份有限公司 | Integrated bridge assembly and vehicle |
| CN113452202A (en) * | 2020-03-26 | 2021-09-28 | 上海埃迪特动力技术有限公司 | Highly integrated high performance electric drive system power assembly |
| CN114368268A (en) * | 2021-08-24 | 2022-04-19 | 华为数字能源技术有限公司 | Power assembly, noise suppression method and electric automobile |
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| CN207902140U (en) * | 2018-01-19 | 2018-09-25 | 深圳市大地和电气股份有限公司 | A kind of integrated form power drive for electric vehicle and control system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586648A (en) * | 2018-12-21 | 2019-04-05 | 上海昶嘉工业设备有限公司 | A kind of intelligent electric machine |
| CN109941079A (en) * | 2019-01-04 | 2019-06-28 | 奥马迪机器人有限公司 | A kind of guide car |
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| CN112389190A (en) * | 2019-08-19 | 2021-02-23 | 比亚迪股份有限公司 | Integrated bridge assembly and vehicle |
| CN113452202A (en) * | 2020-03-26 | 2021-09-28 | 上海埃迪特动力技术有限公司 | Highly integrated high performance electric drive system power assembly |
| CN113452202B (en) * | 2020-03-26 | 2023-02-28 | 无锡星驱科技有限公司 | Highly integrated high performance electric drive system power assembly |
| CN114368268A (en) * | 2021-08-24 | 2022-04-19 | 华为数字能源技术有限公司 | Power assembly, noise suppression method and electric automobile |
| CN114368268B (en) * | 2021-08-24 | 2023-11-03 | 华为数字能源技术有限公司 | Power assembly, noise suppression method and electric automobile |
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