CN208247983U - Electric motor car with two wheels feeding braking energy back recovery system - Google Patents
Electric motor car with two wheels feeding braking energy back recovery system Download PDFInfo
- Publication number
- CN208247983U CN208247983U CN201820748248.XU CN201820748248U CN208247983U CN 208247983 U CN208247983 U CN 208247983U CN 201820748248 U CN201820748248 U CN 201820748248U CN 208247983 U CN208247983 U CN 208247983U
- Authority
- CN
- China
- Prior art keywords
- electric
- motor
- super capacitor
- battery
- power
- 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
Links
Classifications
-
- 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
Abstract
The utility model proposes a kind of electric motor car with two wheels feeding braking energy back recovery system, the system comprises: battery, super capacitor, master controller, power-supply controller of electric, motor driver, brshless DC motor, detection unit.Master controller guarantees vehicle stable operation, and power-supply controller of electric switches powering mode, the operating status of detection unit detection feedback brshless DC motor；Electric vehicle starting or boost phase, the collaboration power supply of battery super capacitor；In the stage that electric vehicle drives at a constant speed, battery is individually powered；In electric vehicle deceleration or deboost phase, the electric energy of motor feedback is stored to super capacitor, avoids the frequent high current charge-discharge of battery.The utility model makes full use of the high power density of the high-energy density of battery, super capacitor, the characteristics such as super capacitor has rapid large-current charge and discharge, high-efficient, capacity is big, internal resistance is small, improve the recovery efficiency of feedback energy, the operating range for improving electric vehicle, extends the service life of battery.
Description
Technical field
The utility model relates to the energy regenerating of power electronic technique, Test and control more particularly to electric vehicle with
Memory technology.
Background technique
Internal combustion engine powered vehicle greatly improves the Travel Range of people, and problems of energy consumption is increasingly prominent, new energy electricity
Motor-car is a dark horse, and fossil energy crisis has been effectively relieved.Electric motor car with two wheels is the ideal walking-replacing tool of small area how
The effective operating range for promoting electric vehicle, it is most important to the promotion and application of electric motor car with two wheels.Current two-wheel electric car owner
The single storage battery power supply and no energy recycle device taken, this is resulted in when motor braking slows down, and braking energy is all
In braking resistor and brake block, electric vehicle generallys use friction catch, converts thermal dissipation for the kinetic energy of electric car and arrives for consumption
In atmosphere, in addition regenerative braking not only can be electric car kinetic energy high efficiente callback, but also can improve braking characteristic, low-speed situations
Under can still keep constant brake force, eliminate conventional brake gear, can also be used as the supplement of existing brake apparatus.Especially exist
Under the operating conditions such as frequent starting, speed change, braking, emergency stop, the electric energy of electric vehicle can be consumed largely in braking resistor and brake block,
Cause the significant wastage of electric energy.Current battery capacity is a big bottleneck, seriously constrains the mileage travelled of electric vehicle, at present not yet
It makes a breakthrough, the mileage of electric vehicle is also far from the needs for meeting consumer.Lead storage battery is cheap, is widely applied
In electric motor car with two wheels, endurance distance only has 60 kilometers or so；Lithium battery price is higher, is not suitable at present general on electric motor car with two wheels
And use, electric car course continuation mileage also only has 250 kilometers or so.Currently, in order to recycle energy when braking, mostly using straight
The method to battery feedback is connect, the method will lead to electric motor loop and generate very big surge current, directly be fed back to battery
Electric energy not only cannot be effectively stored, but also power supply can be damaged, reduces the service life of battery rapidly.It is led in electric motor car with two wheels
Domain, energy recovery technical application wretched insufficiency, the demand to the technology are more urgent.
Summary of the invention
In order to solve the predicament of the prior art, the utility model main purpose is that solving current electric vehicle is braking and subtracting
When fast, big problem is damaged at energy recovery efficiency bottom to battery.To achieve the above object, the utility model proposes a kind of storages
Battery adds super capacitor composite power source mode, can effectively improve the efficiency of feeding braking energy back recycling, increase the traveling of electric vehicle
Distance, while ensureing the service life of battery.
The technical solution that the utility model is taken: electric motor car with two wheels feeding braking energy back recovery system, including it is battery, super
Grade capacitor, master controller, power-supply controller of electric, motor driver, brshless DC motor, detection unit.According to same motor four-quadrant
The principle of operation is limited, effectively controls the stator voltage of motor, same motor, which can be realized, can not only make motor but also can make generator.
Electric vehicle starting, accelerate, at the uniform velocity during, electrical consumption electric energy is at this time motoring；Electronic
Vehicle slows down, braking, in taxiing procedures, motor is to power supply feedback electric energy, operation state of generator at this time.The feature of the utility model
It is: takes major-minor composite power source mode power, battery makees main power source, provides major impetus for the normally travel of electric vehicle
Source；Super capacitor makees accessory power supply, when electric vehicle starting, accelerating, main power source is cooperateed with to provide power for motor, super
Capacitor is like a small-sized reservoir, energy of the Real time buffer from motor, when motor needs can rapid large-current electric discharge, motor
When braking again can electric energy in short time absorption circuit, for next time acceleration and starting be ready.
Whole system is divided into power module, detection control module, motor drive module, it is characterised in that: power module is adopted
It takes battery to add the electric source modes of super capacitor, with power inverter DC/DC for main power control component, and combines EMI
Filter circuit effectively filters out the common mode interference and DM EMI of Switching Power Supply generation, and then improves the output voltage of power supply, and energy
Effectively control output power.Power module receives to carry out the instruction of self-test control module, switches powering mode, normally travel in real time
Operating condition, it is motor that battery, which does single power source, and super capacitor is in a saturated state；Starting, accelerating mode, battery
It cooperates with and powers with super capacitor, guarantee enough powers supply, improve starting and accelerating ability；Slow down, damped condition, cutting stores
Battery path effectively prevents the frequent charge and discharge of high current to storage only using super capacitor as the storage power supply of feedback energy
Huge damage, prolongs its service life caused by battery.The operating status for detecting control module real-time detection motor, motor
Operating parameter feeds back to master controller, and master controller handles the motor rotor speed and location information that feedback is come in real time, generation
Control instruction guarantees the stable operation of motor by motor drive module.
Detailed description of the invention
For apparent specific description the utility model specific embodiment and technical solution, below by embodiment
It is described briefly with attached drawing involved in technical solution.
Fig. 1 energy recycling system working principle diagram.
Fig. 2 system global structure schematic diagram.
Fig. 3 system control process figure.
Fig. 4 hybrid power system structure chart.
Fig. 5 power inverter DC/DC circuit diagram.
Fig. 6 motor-drive circuit figure.
Fig. 7 EMI filter circuit figure.
Icon: 1 brshless DC motor, 2 wheel hubs, 3 wheel shafts, 4 fairleads, 5 lead wire sets, 6 detection modules, 7 master controllers, 8
Power-supply controller of electric, 9 batteries, 10 super capacitors, 11 power inverter DC/DC, 12 motor drivers, 13 filter modules.
Specific embodiment
Below will by attached drawing to technical solution of the present invention and implementation strategy carry out it is clear, be fully described by, it is described
Attached drawing and explanation be substantially exemplary and not restrictive.It is designed the present invention be directed to two-wheeled wheel hub direct-driving electric motor-car
Feeding braking energy back recovery system redesigns control strategy and electric supply system, realizes effective recycling of braking energy, together
When can improve starting and the accelerating ability of electric vehicle again.The utility model can do the device of the existing braking of electric motor car with two wheels
Supplement tries hard to simple easily realization, to be applied on existing electric vehicle.
Fig. 1 energy recycling system working principle diagram, which show core component, dotted line indicates the flow direction of electric energy, wherein
Power inverter DC/DC adjusts DC output voltage and electric current.In electric vehicle starting and boost phase, battery and super electricity
Hold common output energy, drives brushless direct current motor by three-phase full-bridge inverting circuit, at this time energy flow direction motor；Electronic
Vehicle normally travel drives at a constant speed, and battery is individually powered to motor, at this time energy flow direction motor；Slow down and brake in electric vehicle
Stage cuts off battery access, and the energy of motor braking feedback all flows to super capacitor, and motor makees generator operation at this time.
In the electric vehicle fully powered-off moment restarted, battery charges to super capacitor, and hereafter the electric energy of super capacitor both is from
The energy of motor feedback, as accessory power supply, what capacity should be accumulator capacity 10% is advisable super capacitor.
Fig. 2 system global structure schematic diagram, the figure illustrate the tool of feeding braking energy back recovery system and electric motor car with two wheels
Body connection, the feeding braking energy back recovery system includes: detection module 6, master controller 7, power-supply controller of electric 8, battery
9, super capacitor 10, power inverter DC/DC11, motor driver 12, filter module 13, motor 1, nave boss 2, motor axle 3,
Fairlead 4, lead wire set 5.Signal wire, the power supply line of electric vehicle motor 1 are connected by fairlead with lead wire set, are divided into electrical
Circuit and control loop.
Electric loop includes: motor 1, super capacitor 10, battery 9, power inverter DC/DC 11, motor driver
12, filter module 13, electric loop specific embodiment are as follows: super capacitor 10 it is in parallel with battery 9 after and power inverter
DC/DC 11 is connected, and power-supply controller of electric 8 is responsible for Switching power powering mode and control output voltage, is then attached to motor drive
Dynamic device 12, motor driver 12 are connected to motor 1 by fairlead 4 by lead wire set 5 through filter module 13, and motor 1 passes through fairlead 4
Power inverter DC/DC 11 is connected via lead wire set 5, super capacitor 10 is then attached to, forms complete electric loop.?
Under the regulation of power-supply controller of electric 8, power inverter DC/DC 11 realize regenerative braking stage motor 1 output power storage to surpass
In grade capacitor 10, while acceleration or 10 preferential discharge of startup stage super capacitor.
Control loop includes: motor 1, detection module 6, master controller 7, power-supply controller of electric 8, motor driver 12, control
Circuit specific embodiment are as follows: the operating status of 6 real-time detection motor 1 of detection module believes the rotor-position and revolving speed of motor 1
Real-time Feedback is ceased to master controller 7, and master controller 7 generates PWM control instruction, control electricity according to the rotor-position and revolving speed of feedback
Electric energy inversion is realized in the conducting and shutdown of each bridge arm of the three-phase full-bridge inverting circuit of machine driver.In the regenerative braking stage, control
Each bridge arm phase sequence of motor driver 12 realizes regenerative braking, and the energy of 1 feedback of motor is passed through connection power inverter DC/
DC 11 is stored in super capacitor 10.
Fig. 4 system control process figure, electric vehicle power on, and battery charges to super capacitor, controller initialization,
Detection module detects electric vehicle state.The first step judges whether motor starts, and does not start, and continues to test；Second step starts situation
Under travel at the uniform speed, at the uniform velocity then power-supply controller of electric is only powered by battery；The case where third step judges whether to accelerate, acceleration
Lower power-supply controller of electric connects super capacitor and battery access, realizes battery and super capacitor collaboration power supply, is otherwise in and subtracts
Speed or on-position, motor carry out regenerative braking, and energy flows to super capacitor by motor；4th step judge motor speed whether be
Zero, being zero terminates, and otherwise continues to determine whether to travel at the uniform speed.
Fig. 5 composite power source structure chart is made of battery, super capacitor, power inverter DC/DC, wherein controller point
For master controller and power-supply controller of electric, power-supply controller of electric is mainly responsible for the operating status Switching power according to electric vehicle, and control is multiple
The output electric current and voltage value of power supply are closed, master controller is responsible for the motor speed and rotor that real-time processing detection unit is fed back
Position generates PWM control strategy, and drives electric operation by three-phase full-bridge inverting circuit, takes the dispersible fortune of dual controller
Pressure is calculated, the performance and stability of control system are improved.
It is real to control T1 using three pairs of power scrs and freewheeling diode for Fig. 6 power inverter DC/DC circuit diagram
Battery access is now turned on and off, control T2, T3 realize the voltage and current control of control super capacitor.When super capacitor depth
Degree discharges, and in the provided insufficient situation of power supply, is controlled voltage to meet driving demand.
Fig. 7 motor-drive circuit controls connection and the pass of each bridge arm by PWM using three-phase full-bridge inverting circuit
Disconnected, inverse of the DC into AC belongs to switching type power supply.High-frequency harmonic is filtered out by typical, filtered circuit, is reduced to height
Injury of the frequency vibration to motor, while improving motor operation stability.
Described above is only the principle and specific embodiment of invention, and the utility model is mainly for two-wheel electric
Vehicle；All kinds of electric vehicles are widely used in view of brshless DC motor, the present invention can directly drive for electric motor car with two wheels, especially nave boss
Formula electric motor car with two wheels provides specific embodiment, to realize energy regenerating, effectively saves electric energy, increases electric vehicle traveling
Mileage；Application field of the invention is not limited thereto, and any the same or similar technology of the present invention is all practical at this
The protection scope of new patent.
Claims (3)
1. electric motor car with two wheels feeding braking energy back recovery system, it is characterised in that: system includes super capacitor, battery, motor
Driver, brshless DC motor, master controller, power-supply controller of electric, power inverter DC/DC, detection unit are suitable for single motor
Nave boss direct-driving electric motor-car；Battery provides original electric energy for each module, is only stored in the energy of deboost phase feedback super
Capacitor；Master controller generates control strategy and driving signal, and power-supply controller of electric switches powering mode, detection unit real-time detection electricity
Machine rotor position and revolving speed.
2. electric motor car with two wheels feeding braking energy back recovery system according to claim 1, it is characterised in that: power supply is by super
Capacitor and battery composition, super capacitor is in parallel by power inverter DC/DC and super capacitor, power controller controls crystalline substance lock
Pipe T1, T2, T3 realize that the power supply of single storage battery power supply, battery and super capacitor joint, super capacitor charging of power supply etc. are electric
Source module；Controller is divided into master controller and power-supply controller of electric, and master controller completes Closed check-up and control, realizes rotor
Position detection and Rotating speed measring, and pwm signal is generated according to position and revolving speed；Power-supply controller of electric is then responsible for cutting for electric source modes
It changes, is controlled by master controller, while being also responsible for the polarity control of modulation super capacitor.
3. electric motor car with two wheels feeding braking energy back recovery system according to claim 2, it is characterised in that: the rotor of motor
Position and revolving speed are handled through master controller by Hall encoder real-time measurement and are obtained rotor-position and revolving speed, according to position and are turned
Fast information drives three-phase full-bridge inverting circuit；When determining that motor will slow down or brake, the PWM drive signal of master controller generation
Make B, C commutation, be completely reversed rotor field, motor makees generator operation at this time, this stage current passes through power inverter DC/
DC flows to super capacitor, due to super capacitor can rapid large-current charge and discharge, feedback energy is only stored in super capacitor, and energy
It is high to measure recovery efficiency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820748248.XU CN208247983U (en) | 2018-05-20 | 2018-05-20 | Electric motor car with two wheels feeding braking energy back recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820748248.XU CN208247983U (en) | 2018-05-20 | 2018-05-20 | Electric motor car with two wheels feeding braking energy back recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208247983U true CN208247983U (en) | 2018-12-18 |
Family
ID=66480324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820748248.XU Expired - Fee Related CN208247983U (en) | 2018-05-20 | 2018-05-20 | Electric motor car with two wheels feeding braking energy back recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208247983U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910639A (en) * | 2019-03-18 | 2019-06-21 | 北京动力源新能源科技有限责任公司 | A kind of motor driven systems and a kind of new-energy automobile |
| CN109910638A (en) * | 2019-03-18 | 2019-06-21 | 北京动力源新能源科技有限责任公司 | A kind of motor driven systems and a kind of new-energy automobile |
| CN110176890A (en) * | 2019-05-06 | 2019-08-27 | 浙江大学 | Brshless DC motor braking moment control method based on noninductive mixed energy storage system |
| CN110311615A (en) * | 2019-07-19 | 2019-10-08 | 沙尔夫矿山机械（徐州）有限公司 | A kind of new energy tooth rail car frequency changing driving system and its design method |
| CN110576749A (en) * | 2019-08-22 | 2019-12-17 | 武汉格罗夫氢能汽车有限公司 | Fuel cell braking energy recovery system of hydrogen energy automobile |
| CN112511046A (en) * | 2020-12-09 | 2021-03-16 | 航天时代飞鸿技术有限公司 | Rapid braking and energy recovery circuit of catapult of unmanned aerial vehicle |
| CN112549967A (en) * | 2020-11-23 | 2021-03-26 | 江苏科技大学 | Brushless direct current motor control system based on double undervoltages |
| CN112865277A (en) * | 2021-03-10 | 2021-05-28 | 浙江工业大学 | Cloud road conditions intelligence energy supply module and energy recovery system based on EDLC |
| CN115973017A (en) * | 2023-03-01 | 2023-04-18 | 中润新能源(滁州)有限公司 | Intelligent transportation robot is used in battery piece production |
-
2018
- 2018-05-20 CN CN201820748248.XU patent/CN208247983U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910639A (en) * | 2019-03-18 | 2019-06-21 | 北京动力源新能源科技有限责任公司 | A kind of motor driven systems and a kind of new-energy automobile |
| CN109910638A (en) * | 2019-03-18 | 2019-06-21 | 北京动力源新能源科技有限责任公司 | A kind of motor driven systems and a kind of new-energy automobile |
| CN110176890A (en) * | 2019-05-06 | 2019-08-27 | 浙江大学 | Brshless DC motor braking moment control method based on noninductive mixed energy storage system |
| CN110176890B (en) * | 2019-05-06 | 2020-10-27 | 浙江大学 | Brushless direct current motor braking torque control method based on non-inductive hybrid energy storage system |
| CN110311615A (en) * | 2019-07-19 | 2019-10-08 | 沙尔夫矿山机械（徐州）有限公司 | A kind of new energy tooth rail car frequency changing driving system and its design method |
| CN110576749A (en) * | 2019-08-22 | 2019-12-17 | 武汉格罗夫氢能汽车有限公司 | Fuel cell braking energy recovery system of hydrogen energy automobile |
| CN112549967A (en) * | 2020-11-23 | 2021-03-26 | 江苏科技大学 | Brushless direct current motor control system based on double undervoltages |
| CN112511046A (en) * | 2020-12-09 | 2021-03-16 | 航天时代飞鸿技术有限公司 | Rapid braking and energy recovery circuit of catapult of unmanned aerial vehicle |
| CN112865277A (en) * | 2021-03-10 | 2021-05-28 | 浙江工业大学 | Cloud road conditions intelligence energy supply module and energy recovery system based on EDLC |
| CN115973017A (en) * | 2023-03-01 | 2023-04-18 | 中润新能源(滁州)有限公司 | Intelligent transportation robot is used in battery piece production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208247983U (en) | Electric motor car with two wheels feeding braking energy back recovery system | |
| CN201544960U (en) | Hybrid power control system of rail hybrid power locomotive | |
| CN100404306C (en) | Mixed energy driving system of vehicle with fuel batteries | |
| CN104163111B (en) | Battery-driven car compound energy based on two-way DC/DC increases journey system | |
| CN1974285B (en) | Regenerating brake control method for mixed power automobile | |
| CN101624018B (en) | Regenerative braking system of electric vehicle and control method thereof | |
| CN102653240B (en) | Electromobile hybrid battery-driven system | |
| CN101734251A (en) | Stroke-increasing electric automobile control system and control method thereof | |
| CN102166963A (en) | Brake energy feedback control method of pure electric automobile | |
| CN102166962A (en) | Brake energy feedback control system of pure electric automobile | |
| CN101633309A (en) | Series hybrid electric vehicle (SHEV) driving device and control method | |
| CN103171547B (en) | The limping device of stroke-increasing electric automobile and using method thereof | |
| CN101565042A (en) | Driving controlling method and device of hybrid electric vehicle | |
| CN103832286B (en) | A kind of energy control method of hybrid power mine electric wheel dump | |
| CN105291803A (en) | Oil-electricity hybrid power system and engineering vehicle | |
| CN108248365A (en) | The gas-electricity power combined vehicle dynamical system of series parallel type and control method | |
| CN202320312U (en) | Hybrid power transmission system | |
| CN108297676A (en) | A kind of mixed power automobile driving system of with wheel motor | |
| CN202782642U (en) | Hybrid power system and vehicle | |
| CN101624051A (en) | Externally connected rechargeable hybrid power vehicle hardware system and control method thereof | |
| JPH11332007A (en) | Driver of series-type hybrid car | |
| CN201264514Y (en) | Generator and vacuum pump drive structure of hybrid power vehicle | |
| CN105480100A (en) | Transport tool self-generating charging device | |
| CN102991334B (en) | The drive system of four-drive hybrid electric vehicle and driving method | |
| CN201472138U (en) | HEV actuator |
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: 20181218 Termination date: 20190520 |