CN206049409U - A kind of electronic auto electronic differential mechanism - Google Patents
A kind of electronic auto electronic differential mechanism Download PDFInfo
- Publication number
- CN206049409U CN206049409U CN201621042671.5U CN201621042671U CN206049409U CN 206049409 U CN206049409 U CN 206049409U CN 201621042671 U CN201621042671 U CN 201621042671U CN 206049409 U CN206049409 U CN 206049409U
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- controller
- hub motor
- speed probe
- steering wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
A kind of electronic auto electronic differential mechanism includes two wheel hub motors, two motor drive controllers, two speed probes, 5, controller 6 of a steering wheel angle sensor and a pedal displacement sensor 7；Controller 6 is according to two speed probes and steering wheel angle sensor, the signal of pedal displacement sensor collection judges the transport condition of automobile, and speed governing and change moment of torsion control are carried out to wheel hub motor by two motor drive controllers, realize the differential function between coaxially arranged two wheel hub motor or not coaxially arranged multiple wheel hub motors, this device changes traditional differential mode of automobile, power transmission shaft is given up, differential mechanism, the machine components such as differential lock, complete vehicle quality is made significantly to mitigate, machine driving loss is reduced, the maneuverability of vehicle, stability and by property lifted, there is unique advantage in automotive vehicles applications.
Description
Technical field
This utility model belongs to vehicle electronics technical field, and in particular to a kind of electronic auto electronic differential mechanism, uses
In realizing the differential function between coaxially arranged two wheel hub motor or not coaxially arranged multiple wheel hub motors.
Background technology
During automobile turning or traveling in uneven road surface, the rotating speed of rear axle arranged on left and right sides wheel is differed, automobile
Differential mechanism is exactly the function for realizing between Driven by Coaxial wheel or the rotating speed coaxially between driving wheel is not differed.Tradition is right
Title formula bevel differential, its inner friction torque are little, the approximate mean allocation of left and right half torque, this method of salary distribution for
The vehicle of the traveling in good road surface is a kind of preferable solution.But for traveling is in the vehicle of road conditions complicated and changeable
For, this method of salary distribution greatly reduce automobile by property, the differential lock in existing mechanical differential gear box can improve vapour
In the case of unilateral wheel-slip, automobile power is zero defect to car, but fundamentally can not be solved.In addition, differential lock
Operating mechanism it is more complicated, inconvenient operation.Therefore, design a kind of E-Diff, realize differential between each driving wheel or
It is synchronized to rotate, for the structure for simplifying drive system, improve automobile operation comfortableness and there is positive meaning by property.
The content of the invention
The purpose of this utility model is to provide a kind of electronic auto electronic differential mechanism, for realizing that coaxially arranged two take turns
Differential function between hub motor or not coaxially arranged multiple wheel hub motors, simplifies the structure of drive system, improves automobile operation
Comfortableness and by property.
The technical scheme adopted by this utility model is：
A kind of electronic auto electronic differential mechanism, including left drive control device 1-1, right drive control device 1-2, left wheel hub motor
2-1, right wheel hub motor 2-2, voltage filter 4, steering wheel angle sensor 5, controller 6, pedal displacement sensor 7, battery
Group 8, right speed probe 9-2, left speed probe 9-1, accelerator pedal 10, measuring amplifier 11 and steering wheel 12；Controller 6
On vehicle frame, left wheel hub motor 2-1, left speed probe 9-1 and left drive control device 1-1 are arranged on the left end end of rear axle
Portion, right wheel hub motor 2-2, right speed probe 9-2 and right drive control device 1-2 are arranged on the right-hand member end of rear axle, steering wheel
Rotary angle transmitter 5 is arranged on steering wheel power transmission shaft side, and pedal displacement sensor 7 is arranged in pedal rod side, 8 cloth of set of cells
Put in vehicle frame rear end.
It is input into after the pedal displacement information Jing voltage filter 4 and measuring amplifier 11 of the collection of pedal displacement sensor 7
Controller 6, after the steering wheel angle signal Jing voltage filters 4 and measuring amplifier 11 of the collection of steering wheel angle sensor 5
Input controller 6, the tach signal of the left side wheel of left speed probe 9-1 collections and the right side of right speed probe 9-2 collections
Input controller 6 after the tach signal Jing voltage filters 4 and measuring amplifier 11 of side wheel.
Pedal displacement sensor 7, steering wheel angle sensor 5 and right speed probe 9-2 and left speed probe 9-1
After the signal via controller 6 of collection is processed, by controller 6, drive control device 1-1 and right drive control device 1-2 are sent out respectively to the left
Send control instruction, adjust output speed and the torque of left wheel hub motor 2-1 and right wheel hub motor 2-2, realize left and right driving wheel it
Between differential.
The beneficial effects of the utility model are using motor direct-drive mode, by controlling coaxially arranged left and right two
The output speed and output torque of individual wheel hub motor realizes the differential between left and right two wheels.This utility model thoroughly changes
Traditional differential mode of automobile, has given up the mechanical parts such as power transmission shaft, differential mechanism, differential lock, has made complete vehicle quality and machine driving
Loss is reduced, and is made the maneuverability of vehicle, stability and is substantially improved by performance, in automotive vehicles applications with unique advantage.
Description of the drawings
Fig. 1 is a kind of general arrangement of electronic auto electronic differential mechanism.
Fig. 2 is a kind of hardware composition figure of electronic auto electronic differential mechanism.
Fig. 3 is the control block diagram under a kind of electronic auto electronic differential mechanism straight travel state.
Fig. 4 is the control block diagram under a kind of electronic auto electronic differential mechanism differential state.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description:
Such as Fig. 1, a kind of electronic auto electronic differential mechanism of this utility model, including a left wheel hub motor 2-1, a right wheel
Hub motor 2-2, a steering wheel angle sensor 5, controller 6, a pedal displacement sensor 7, set of cells 8, accelerator pedal
10, steering wheel 12；Steering wheel 12 is arranged on vehicle frame, and steering wheel angle sensor 5 is arranged on steering wheel power transmission shaft side.
When, in vehicle travel process, steering wheel rotation 12, steering wheel angle sensor 5 can just collect turning for deflecting roller
Dynamic angle simultaneously judges rotation direction；Depress the accelerator pedal 10 installed in vehicle frame front end left part, the movement of pedal displacement sensor 7
Displacement, the differential for judging the running status of vehicle and determine differential mechanism are strong and weak.
Left wheel hub motor 2-1 and left speed probe 9-1 and left drive control device 1-1 are arranged on the left end end of rear axle
Portion, itself feedback control left wheel hub electricity of left drive control device 1-1 according to the input signal and left wheel hub motor 2-1 of controller 6
The output speed of machine and torque；After right wheel hub motor 2-2 and right speed probe 9-2 and right drive control device 1-2 are arranged on
The right-hand member end of axle, itself feedback control of right drive control device 1-2 according to the input signal and right wheel hub motor 2-2 of controller 6
Make output speed and the torque of right wheel hub motor；8 centralized arrangement of set of cells is in vehicle frame rear end or is distributed across being used on vehicle frame
The position of centre of gravity of adjustment automobile.
Such as Fig. 2, a kind of control unit of electronic auto electronic differential mechanism, including a measuring amplifier 11, a left drive
Movement controller 1-1, right drive control device 1-2, a voltage filter 4, right speed probe 9-2, left speed probe
9-1；Input control after the pedal displacement information Jing voltage filter 4 and measuring amplifier 11 of the collection of pedal displacement sensor 7
Device 6, is input into after the steering wheel angle signal Jing voltage filters 4 and measuring amplifier 11 of the collection of steering wheel angle sensor 5
Controller 6, the wheel rotation speed signals Jing voltage filters 4 of left speed probe 9-1 and right speed probe 9-2 collections and measurement
Input controller 6 after amplifier 11.
After the signal of each sensor input is focused in controller 6 above, from controller 6 to drive control device 1-
1 and right drive control device 1-2 send control instruction, respectively control left wheel hub motor 2-1 and right wheel hub motor 2-2 output speed
And torque.
A kind of course of work of electronic auto electronic differential mechanism of this utility model is：
Such as Fig. 3, on straight road surface during straight-line travelling, steering wheel 12 is not rotated vehicle, that is, it is zero to be input into corner, pedal position
The displacement changing value of 7 Real-time Collection accelerator pedal 10 of displacement sensor, now left speed probe 9-1 gather the reality of left side wheel
Border tach signal V1, right speed probe 9-2 gather the actual speed signal V2 of right side wheels, and will collection signal V1, V2 Jing
It is input into controller 6 after voltage filter 4 and measuring amplifier 11, controller 6 judges whether V1, V2 are equal, if equal
Then vehicle will according to current speed continue travel, if V1, V2 are unequal, controller 6 according to minimum speed value in V1, V2 to the left
Drive control device 1-1 and right drive control device 1-2 send control instruction, control left wheel hub motor 2-1 and right wheel hub motor 2-2 realities
It is now synchronized to run, make vehicle held stationary straight-line travelling.
Such as Fig. 4, when vehicle is travelled on bend or uneven road surface, the signal transmission of the collection of steering wheel angle sensor 5
To controller 6, judge whether turning angle of steering wheel is zero by controller 6, while controller 6 is adopted according to left speed probe 9-1
The real-time rotating speed of the right wheel hub motor 2-2 that the real-time rotating speed and right speed probe 9-2 of the left wheel hub motor 2-1 of collection is collected is sentenced
Disconnected vehicle is in operation conditions or stop conditions；If vehicle is in running status, controller 6 is sensed according to pedal displacement
The real-time rotating speed of the displacement signal of the accelerator pedal 10 of the collection of device 7 and the left wheel hub motor 2-1 of left speed probe 9-1 collections,
The real-time rotating speed of the right wheel hub motor 2-2 of right speed probe 9-2 collections judges that vehicle still travels at the uniform speed in acceleration, deceleration
State.
If the change in displacement value of the feedback accelerator pedal 10 of pedal displacement sensor 7 is being continually changing, vehicle is in and adds
Speed or decelerating mode, the PWM (pulse width modulations of the now output of controller 6）Dutyfactor value is also being continually changing, left to drive control
Device 1-1 processed and right drive control device 1-2 control left wheel hub motor 2-1 according to the PWM duty cycle value of the transmission of controller 6 for receiving
And the rotating speed between right wheel hub motor 2-2 or torque.
When acceleration or deceleration is travelled vehicle on bend, the unstable of Vehicle Speed is inevitably resulted in, this time control
The dutyfactor value of the PWM of device processed 6 keeps constant, controller 6 according to the signal of each sensor acquisition calculate respectively left side wheel and
Right side wheels slip rate, and drive control device 1-1 and right drive control device 1-2 send control instruction to the left, realize left wheel hub electricity
Speed discrepancy or torque differences between machine 2-1 and right wheel hub motor 2-2.
E-Diff involved by this utility model can be extended in the electric motor car of multiaxis multi-motor driving, after extension
E-Diff also protection content of the present utility model.
Claims (3)
1. a kind of electronic auto electronic differential mechanism, its feature include left drive control device (1-1), right drive control device (1-2), left
Wheel hub motor (2-1), right wheel hub motor (2-2), voltage filter (4), steering wheel angle sensor (5), controller (6), step on
Plate displacement transducer (7), set of cells (8), right speed probe (9-2), left speed probe (9-1), accelerator pedal (10), survey
Amount amplifier (11) and steering wheel (12)；Controller (6) on vehicle frame, left wheel hub motor (2-1), left speed probe
(9-1) with left drive control device (1-1) installed in the left end end of rear axle, right wheel hub motor (2-2), right speed probe (9-
2) with right drive control device (1-2) installed in the right-hand member end of rear axle, steering wheel angle sensor (5) is driven installed in steering wheel
Axle side, pedal displacement sensor (7) are arranged in pedal rod side, and set of cells (8) is arranged in vehicle frame rear end.
2. a kind of electronic auto electronic differential mechanism as claimed in claim 1, it is characterised in that pedal displacement sensor (7) is gathered
Pedal displacement information Jing voltage filter (4) and measuring amplifier (11) after input controller (6), steering wheel angle sensing
Input controller (6) after steering wheel angle signal Jing voltage filters (4) that device (5) is gathered and measuring amplifier (11), it is left
The right side wheels that the tach signal and right speed probe (9-2) of the left side wheel that speed probe (9-1) is gathered is gathered turn
Input controller (6) after fast signal Jing voltage filters (4) and measuring amplifier (11).
3. a kind of electronic auto electronic differential mechanism as claimed in claim 1, it is characterised in that pedal displacement sensor (7), side
To the signal via controller that disk rotary angle transmitter (5) and right speed probe (9-2) and left speed probe (9-1) are gathered
(6), after processing, by controller (6), drive control device (1-1) and right drive control device (1-2) send control respectively and refer to the left
Order, adjusts output speed and the torque of left wheel hub motor (2-1) and right wheel hub motor (2-2), realizes between left and right driving wheel
Differential.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621042671.5U CN206049409U (en) | 2016-09-08 | 2016-09-08 | A kind of electronic auto electronic differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621042671.5U CN206049409U (en) | 2016-09-08 | 2016-09-08 | A kind of electronic auto electronic differential mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206049409U true CN206049409U (en) | 2017-03-29 |
Family
ID=58371140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621042671.5U Expired - Fee Related CN206049409U (en) | 2016-09-08 | 2016-09-08 | A kind of electronic auto electronic differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206049409U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554354A (en) * | 2017-09-01 | 2018-01-09 | 合肥敏喆信息科技有限公司 | A kind of differential compensation system of electric automobile |
| CN108058744A (en) * | 2017-12-14 | 2018-05-22 | 武汉理工大学 | A kind of two-wheel drive auto steerer |
| CN108859733A (en) * | 2018-08-12 | 2018-11-23 | 姜春辉 | A kind of electric car, hub motor and hub motor differential speed system |
| CN109367401A (en) * | 2018-10-23 | 2019-02-22 | 展欣（宁波）新能源科技有限公司 | A kind of In-wheel motor driving bridge motor differential speed control method |
| CN110370948A (en) * | 2019-08-05 | 2019-10-25 | 江苏金彭集团有限公司 | A kind of electronic Vehicular drive system |
| CN112265580A (en) * | 2020-12-10 | 2021-01-26 | 西南林业大学 | Steering control method for electric crawler chassis without speed sensor |
| CN112715165A (en) * | 2021-01-06 | 2021-04-30 | 绿友机械集团股份有限公司 | Double-motor-driven walking roller |
| CN112930277A (en) * | 2019-01-08 | 2021-06-08 | 宝马股份公司 | Device for calibrating two electric motors arranged on one axle in a two-axle motor vehicle |
-
2016
- 2016-09-08 CN CN201621042671.5U patent/CN206049409U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554354A (en) * | 2017-09-01 | 2018-01-09 | 合肥敏喆信息科技有限公司 | A kind of differential compensation system of electric automobile |
| CN108058744A (en) * | 2017-12-14 | 2018-05-22 | 武汉理工大学 | A kind of two-wheel drive auto steerer |
| CN108859733A (en) * | 2018-08-12 | 2018-11-23 | 姜春辉 | A kind of electric car, hub motor and hub motor differential speed system |
| CN108859733B (en) * | 2018-08-12 | 2024-06-28 | 姜春辉 | Electric automobile, in-wheel motor and in-wheel motor electronic differential system |
| CN109367401A (en) * | 2018-10-23 | 2019-02-22 | 展欣（宁波）新能源科技有限公司 | A kind of In-wheel motor driving bridge motor differential speed control method |
| CN112930277A (en) * | 2019-01-08 | 2021-06-08 | 宝马股份公司 | Device for calibrating two electric motors arranged on one axle in a two-axle motor vehicle |
| US11850949B2 (en) | 2019-01-08 | 2023-12-26 | Bayerische Motoren Werke Aktiengesellschaft | Device for calibrating two electric motors mounted on one axle in two-axle motor vehicles |
| CN112930277B (en) * | 2019-01-08 | 2024-04-12 | 宝马股份公司 | Device and method for calibrating two electric motors |
| CN110370948A (en) * | 2019-08-05 | 2019-10-25 | 江苏金彭集团有限公司 | A kind of electronic Vehicular drive system |
| CN112265580A (en) * | 2020-12-10 | 2021-01-26 | 西南林业大学 | Steering control method for electric crawler chassis without speed sensor |
| CN112715165A (en) * | 2021-01-06 | 2021-04-30 | 绿友机械集团股份有限公司 | Double-motor-driven walking roller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20170908 |