CN207274416U - A kind of four-wheel driving electric vehicle transmission system - Google Patents
A kind of four-wheel driving electric vehicle transmission system Download PDFInfo
- Publication number
- CN207274416U CN207274416U CN201721205188.9U CN201721205188U CN207274416U CN 207274416 U CN207274416 U CN 207274416U CN 201721205188 U CN201721205188 U CN 201721205188U CN 207274416 U CN207274416 U CN 207274416U
- Authority
- CN
- China
- Prior art keywords
- control unit
- motor
- output terminal
- wheel hub
- front 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.)
- Withdrawn - After Issue
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Classifications
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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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Arrangement And Driving Of Transmission Devices (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model discloses a kind of four-wheel driving electric vehicle transmission system, including power battery, its first output terminal is connected with control unit, its second output terminal is connected with DC/DC converters；The output terminal of the DC/DC converters is connected with booster battery, and the output terminal of the booster battery is connected by ignition switch with control unit；The input terminal of described control unit also respectively with provided steering wheel rotation direction and angle to control unit steering wheel angle sensor, to control unit provide whether stepping on accelerator pedal and the degree signal stepped on accelerator pedal position sensor, driving switch, the braking of gear information are provided to control unit when the brake switch of brake signal is provided to control unit, and the vehicle speed sensor connection of speed signal is provided to control unit；The output terminal of described control unit is connected with wheel hub motor and rear driving motor.The utility model can realize a variety of drive forms such as rear-guard, four-wheel drive, to adapt to the needs of different road driving conditions.The utility model is easy to implement energy regenerating, improves the economy of automobile.
Description
Technical field
It the utility model is related to a kind of four-wheel driving electric vehicle transmission system.
Background technology
Electric automobile has the advantages that energy-saving and environmental protection, good economy performance, and existing electric automobile has the driving sections such as differential mechanism
Part, makes vehicle transmission structure more complicated, adds vehicle weight, reduce transmission efficiency.Existing electric automobile can not be realized
Energy regenerating, high energy consumption.
Utility model content
The utility model aim is to provide a kind of four-wheel driving electric vehicle power train in view of the defects existing in the prior art
System.
The utility model to achieve the above object, adopts the following technical scheme that：A kind of four-wheel driving electric vehicle power train
System, including power battery, its first output terminal are connected with control unit, its second output terminal is connected with DC/DC converters；It is described
The output terminal of DC/DC converters is connected with booster battery, and the output terminal of the booster battery passes through ignition switch and control
Unit connects；The input terminal of described control unit is also respectively with providing the steering of steering wheel rotation direction and angle to control unit
Disk angular transducer, to control unit provide whether stepping on accelerator pedal and the degree signal stepped on accelerator pedal position sensor,
The brake switch of brake signal is provided when driving switch, the braking of gear information are provided to control unit to control unit, and
The vehicle speed sensor connection of speed signal is provided to control unit；The output terminal of described control unit is electric with left front wheel hub respectively
Machine, off-front wheel hub motor are connected with rear driving motor；It is described after driving motor output terminal by differential mechanism respectively with left back car
Wheel is connected with right rear wheel；Wherein, the power battery is high voltage power supply, it is used for for the high voltage device in described control unit
Working power is provided, while voltage, electricity, temperature and current information are fed back into control unit；The DC/DC converters DC/
DC converters are used to the high voltage direct current of the power battery being converted into 12V DC electricity, charge to the booster battery；Institute
It is low-tension supply to state booster battery, its magnitude of voltage is 12V, and working power is provided for described control unit and each sensor.
Further, the left front wheel hub motor, off-front wheel hub motor and rear driving motor are permanent magnet brushless dc
Motivation, when work, are separate；Any one motor is in the left front wheel hub motor, off-front wheel hub motor and rear driving motor
During drive pattern, control unit controls the rotation direction of the wheel hub motor and rotating speed size by controlling phase sequence with frequency.
Further, described control unit can control the left front wheel hub motor, off-front wheel hub motor and after drive motor
In any one motor when being in power generation operation pattern, the part kinetic energy that vehicle travels can be converted into electric energy, and store to dynamic
In power battery.
Further, the left front wheel hub motor, off-front wheel hub motor and rear driving motor can be by respective rotor-positions
Control unit is fed back to motor temperature technical parameter, control unit is controlled corresponding motor, and is sent out in corresponding motor
Starting protection pattern during raw misoperation.
The beneficial effects of the utility model：1) a variety of drive forms such as rear-guard, four-wheel drive can be achieved, to adapt to not people having a common goal
The needs of road driving conditions.(2) energy regenerating is easy to implement, improves the economy of automobile.
Brief description of the drawings
The operation principle schematic diagram of Fig. 1 the utility model.
Embodiment
Shown in Fig. 1, be related to a kind of four-wheel driving electric vehicle transmission system, including power battery, its first output terminal with
Control unit connects, its second output terminal is connected with DC/DC converters；The output terminal of the DC/DC converters and auxiliary electric power storage
Pond connects, and the output terminal of the booster battery is connected by ignition switch with control unit；The input terminal of described control unit
Also it is with providing the steering wheel angle sensor of steering wheel rotation direction and angle to control unit, being provided to control unit respectively
The accelerator pedal position sensor of no stepping on accelerator pedal and the degree signal stepped on, the gear to control unit offer gear information are opened
The brake switch of brake signal is provided when closing, braking to control unit, and the speed biography of speed signal is provided to control unit
Sensor connects；The output terminal of described control unit is connected with left front wheel hub motor, off-front wheel hub motor and rear driving motor respectively；
The output terminal of driving motor is connected with rear left wheel and right rear wheel respectively by differential mechanism after described；Wherein, the power electric
Pond is high voltage power supply, it is used to provide working power for the high voltage device in described control unit, while by voltage, electricity, temperature
Degree and current information feed back to control unit；The DC/DC converters DC/DC converters are used for the high pressure of the power battery
Direct current is converted into 12V DC electricity, charges to the booster battery；The booster battery is low-tension supply, its magnitude of voltage
For 12V, working power is provided for described control unit and each sensor.
Table 1 is the action principle of each critical piece in the utility model.
Table 1
Operation principle and the course of work：Ignition switch closes, and electric automobile enters working status.Control unit is according to steering
The signal of the sensors such as disk angle, accelerator pedal position, gear, braking, speed, by analyzing, calculating definite each wheel hub motor
The pattern for whether working and working.
When anxious deceleration, braking or speed exceed the max. speed set when driving for vehicle advance, control unit automatically will
The operating mode of wheel hub motor switchs to energy recuperation mode, and vehicle energy switchs to electric energy, to power battery charging.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modification, equivalent replacement, improvement and so on, should be included in the guarantor of the utility model
Within the scope of shield.
Claims (4)
- A kind of 1. four-wheel driving electric vehicle transmission system, it is characterised in that including power battery, its first output terminal and control Unit connects, its second output terminal is connected with DC/DC converters；The output terminal of the DC/DC converters connects with booster battery Connect, the output terminal of the booster battery is connected by ignition switch with control unit；The input terminal of described control unit also divides Not with providing the steering wheel angle sensor of steering wheel rotation direction and angle to control unit, providing and whether step on to control unit The accelerator pedal position sensor of accelerator pedal and the degree signal stepped on, to control unit provide gear information driving switch, The brake switch of brake signal is provided during braking to control unit, and the vehicle speed sensor of speed signal is provided to control unit Connection；The output terminal of described control unit is connected with left front wheel hub motor, off-front wheel hub motor and rear driving motor respectively；It is described The output terminal of motor is driven to be connected respectively with rear left wheel and right rear wheel by differential mechanism afterwards；Wherein, the power battery is High voltage power supply, it is used to provide working power for the high voltage device in described control unit, at the same by voltage, electricity, temperature and Current information feeds back to control unit；The DC/DC converters are used to the high voltage direct current of the power battery being converted into 12V Direct current, charges to the booster battery；The booster battery is low-tension supply, its magnitude of voltage is 12V, is the control Unit and each sensor provide working power.
- A kind of 2. four-wheel driving electric vehicle transmission system as claimed in claim 1, it is characterised in that the left front wheel hub electricity Machine, off-front wheel hub motor and rear driving motor are brushless, permanently excited direct current motor, and when work is separate；The left front wheel hub When any one motor is drive pattern in motor, off-front wheel hub motor and rear driving motor, control unit is by controlling phase sequence The rotation direction of the wheel hub motor and rotating speed size are controlled with frequency.
- 3. a kind of four-wheel driving electric vehicle transmission system as claimed in claim 1, it is characterised in that described control unit can Control the left front wheel hub motor, off-front wheel hub motor and drive any one motor in motor to be in power generation operation pattern afterwards When, the part kinetic energy that vehicle travels can be converted into electric energy, and store to power battery.
- A kind of 4. four-wheel driving electric vehicle transmission system as claimed in claim 1, it is characterised in that the left front wheel hub electricity It is single that respective rotor-position and motor temperature technical parameter can be fed back to control by machine, off-front wheel hub motor and rear driving motor Member, makes control unit be controlled corresponding motor, and the starting protection pattern when corresponding motor is abnormal operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721205188.9U CN207274416U (en) | 2017-09-13 | 2017-09-13 | A kind of four-wheel driving electric vehicle transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721205188.9U CN207274416U (en) | 2017-09-13 | 2017-09-13 | A kind of four-wheel driving electric vehicle transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207274416U true CN207274416U (en) | 2018-04-27 |
Family
ID=61982341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721205188.9U Withdrawn - After Issue CN207274416U (en) | 2017-09-13 | 2017-09-13 | A kind of four-wheel driving electric vehicle transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207274416U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499121A (en) * | 2017-09-13 | 2017-12-22 | 无锡商业职业技术学院 | A kind of four-wheel driving electric vehicle transmission system |
| CN109080560A (en) * | 2018-08-27 | 2018-12-25 | 上海精虹新能源科技有限公司 | A kind of pure electric automobile DCDC control system and control method |
-
2017
- 2017-09-13 CN CN201721205188.9U patent/CN207274416U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499121A (en) * | 2017-09-13 | 2017-12-22 | 无锡商业职业技术学院 | A kind of four-wheel driving electric vehicle transmission system |
| CN109080560A (en) * | 2018-08-27 | 2018-12-25 | 上海精虹新能源科技有限公司 | A kind of pure electric automobile DCDC control system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180427 Effective date of abandoning: 20220530 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180427 Effective date of abandoning: 20220530 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |