CN206217674U - The driven by power and control system of electric automobile - Google Patents
The driven by power and control system of electric automobile Download PDFInfo
- Publication number
- CN206217674U CN206217674U CN201621298412.9U CN201621298412U CN206217674U CN 206217674 U CN206217674 U CN 206217674U CN 201621298412 U CN201621298412 U CN 201621298412U CN 206217674 U CN206217674 U CN 206217674U
- Authority
- CN
- China
- Prior art keywords
- motor
- electric automobile
- power
- driven
- control system
- 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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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
- Y02T10/64—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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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model discloses the driven by power and control system of a kind of electric automobile, mainly it is made up of motor unit, speed drive circuit and speed governing switch key, the motor unit includes that the motor of more than 2 is combined, and the stator number of turn of each motor is different；Speed governing switch key is connected on the input of speed drive circuit, and the output end of speed governing switch key is connected via clutch with the rotor of each motor.Be combined for multiple motor and use by the utility model, running status according to automobile allows the rotor of different motor and power supply to be connected, with the shift speed governing for realizing the keying of each motor to realize electric automobile, so enabling to each motor can operate in economic section all the time, so as to effectively reduce loss, motor unit rotating speed and output torque are improved.
Description
Technical field
The utility model is related to electric automobile field, and in particular to the driven by power and control system of a kind of electric automobile.
Background technology
The composition of electric automobile includes：The mechanical system such as driven by power and control system, driving force transmission and completion were both
Determine equipment of task etc..Driven by power and control system are the cores of electric automobile, are also to be different from internal-combustion engines vehicle
Maximum difference.Driven by power and control system are made up of the speed drive circuit etc. of motor unit, power supply and motor unit.Electricity
Source provides electric energy for the motor unit of electric automobile, after the electric energy of power supply is converted into mechanical energy by motor unit, is filled by being driven
Put or direct drive of wheel and equipment.Motor unit speed drive circuit is typically realized electronic using following two modes
The speed change of automobile：A kind of is the operating voltage by adjusting motor unit, changes motor unit power output to realize speed
Adjustment；Another kind is increase speed changer and the clutch between motor unit and driving moment, is realized by mechanical gearshift mode
The adjustment of speed.But above two gear shift mode has its drawback：The first carries out the side of speed change by changing power output
, when automobile running resistance increases or load increases, because being difficult to, motor unit power output is constant, reduce motor unit for formula
Rotating speed, the purpose for improving output torque, now motor unit can only work overloadingly, motor unit and control section because of heating and
Electric current is damaged greatly；And the mode of speed change is carried out by way of speed changer shift second when automobile opens low cruise, electricity
Motivation group is still to be run with peak power output, so just occurs in that power attenuation, in addition the mechanical part in speed changer
Power attenuation can be caused.As can be seen here, above two speed adjustment mode is undesirable, still needs to further improvement.
Utility model content
The drawbacks of technical problem to be solved in the utility model is existing for the mode of speed regulation of existing electric automobile, there is provided
The driven by power and control system of a kind of electric automobile.
To solve the above problems, the utility model is realized by following proposal：
The driven by power and control system of electric automobile, mainly by motor unit, speed drive circuit and speed governing switch key
Composition.The motor unit includes that the motor of more than 2 is combined, and the stator number of turn of each motor is different；Adjust
Fast switch key is connected on the input of speed drive circuit, and the output end of speed governing switch key is via clutch and each motor
Rotor is connected.
In such scheme, the number of motor is 2-8.
In such scheme, the number of motor is 3.
In such scheme, the stator number of turn of motor linearly changes.
In such scheme, motor is permanent magnet motor.
Compared with prior art, innovatively be combined for multiple motor and use by the utility model, according to automobile
Running status allows the rotor of different motor and power supply to be connected, and electric automobile is realized to realize the keying of each motor
Shift speed governing, so enables to each motor to operate in all the time in economic section such that it is able to effectively reduces loss, carries
Motor unit rotating speed high and output torque.
Brief description of the drawings
Fig. 1 is a kind of principle schematic of preferred embodiment of the utility model.
Specific embodiment
Fig. 1 is the principle schematic of a kind of driven by power of electric automobile of the utility model and control system, mainly by electricity
Motivation group, speed drive circuit and speed governing switch key composition.The motor unit includes that the motor of more than 2 is combined,
The stator number of turn of each motor is different.Speed governing switch key is connected on the input of speed drive circuit, speed governing switching
The output end of key is connected via clutch with the rotor of each motor.
For the ease of control, in the utility model, the motor is permanent magnet motor.The number of motor can be with
Selected according to design requirement, in the utility model, the number of motor is 2-8.It is preferable to carry out in the utility model
In example, the number of motor is 3.In order to realize shift speed governing, each motor in same motor unit is determined
The sub- number of turn must be entirely different, but the Changing Pattern of the stator number of turn can be selected as needed, in the utility model, electricity
The stator number of turn of motivation linearly changes.That is, the stator circle of first stator number of turn of motor and the second motor
Difference between number is a, and the stator number of turn of three-motor and the difference of the stator number of turn of the second motor are b, and a=b.
The course of work of the system is as follows：
The gear of electric automobile, speed drive circuit is selected to be determined to be currently needed for work according to gear by speed governing switch key
Motor, and accordingly control phase induction motor work：
When automobile runs under lower-speed state, the few motor of the number of turn can be closed by speed drive circuit, and opened
Motor more than the number of turn；In the state of the now motor unit work slow-speed of revolution；
When automobile runs at high speeds, by the motor more than the speed drive circuit closing number of turn, and can open
The few motor of the number of turn；Now motor unit is operated under high-revolving state.
Claims (5)
1. the driven by power and control system of electric automobile, it is characterised in that：Mainly by motor unit, speed drive circuit and tune
Fast switch key composition, the motor unit includes that the motor of more than 2 is combined, and the stator number of turn of each motor is each not
It is identical；Speed governing switch key is connected on the input of speed drive circuit, the output end of speed governing switch key via clutch with it is each
The rotor connection of motor.
2. the driven by power and control system of electric automobile according to claim 1, it is characterised in that：The number of motor
It is 2-8.
3. the driven by power and control system of electric automobile according to claim 2, it is characterised in that：The number of motor
It is 3.
4. the driven by power and control system of electric automobile according to claim 1, it is characterised in that：The stator of motor
The number of turn linearly changes.
5. the driven by power and control system of electric automobile according to claim 1, it is characterised in that：Motor is permanent magnetism
Motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621298412.9U CN206217674U (en) | 2016-11-30 | 2016-11-30 | The driven by power and control system of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621298412.9U CN206217674U (en) | 2016-11-30 | 2016-11-30 | The driven by power and control system of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206217674U true CN206217674U (en) | 2017-06-06 |
Family
ID=58786470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621298412.9U Expired - Fee Related CN206217674U (en) | 2016-11-30 | 2016-11-30 | The driven by power and control system of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206217674U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627248A (en) * | 2016-11-30 | 2017-05-10 | 桂林师范高等专科学校 | Electric driving and controlling system of electric vehicle |
-
2016
- 2016-11-30 CN CN201621298412.9U patent/CN206217674U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627248A (en) * | 2016-11-30 | 2017-05-10 | 桂林师范高等专科学校 | Electric driving and controlling system of electric vehicle |
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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 |
Granted publication date: 20170606 Termination date: 20191130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |