CN207466400U - A kind of AC-battery power source control system of electric vehicle - Google Patents
A kind of AC-battery power source control system of electric vehicle Download PDFInfo
- Publication number
- CN207466400U CN207466400U CN201721359595.5U CN201721359595U CN207466400U CN 207466400 U CN207466400 U CN 207466400U CN 201721359595 U CN201721359595 U CN 201721359595U CN 207466400 U CN207466400 U CN 207466400U
- Authority
- CN
- China
- Prior art keywords
- battery
- capacitance
- management system
- power source
- super capacitor
- 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.)
- Active
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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The utility model discloses a kind of AC-battery power source control system of electric vehicle, including：Control centre, current regulator, battery management system, battery pack, capacitance management system and super capacitor, control centre include entire car controller and the drive motor controller and detection unit that are connect respectively with entire car controller；Battery pack connect composition battery charging and discharging circuit by current regulator with control centre, and super capacitor composes in parallel capacitor charge and discharge circuit with control centre；Collected battery status information is sent to entire car controller by battery management system, and collected capacitance state information is sent to entire car controller by capacitance management system.The utility model is by judging vehicle state in which, and due to that with super capacitor, in energy recuperation mode, total power recycling can be carried out, until super capacitor and battery pack are each filled with electricity；In discharge mode, the performance of drive system can be played as possible so that reach best discharge-rate.
Description
Technical field
The utility model is related to electric car power supply control system field, more particularly to a kind of mixing electricity of electric vehicle
Source control system.
Background technology
Present new-energy automobile only uses rechargeable lithium ion batteries as dynamical system mostly, and lithium ion battery has energy
The advantages of metric density height (more than 200Wh/kg), but its power-performance is poor, can not meet the requirement of high current charge-discharge, and
Cycle performance short life (2000 times or so).And chemical change does not occur during ultracapacitor charge and discharge, power density is high, can carry
For high instantaneous large-current charge and discharge；Long lifespan, complete charge discharge life is more than 50,000 times, but its energy density is low, Wu Fachang
Time stable discharging.
In vehicle boost phase, driving motor needs large torque by vehicle by static startup, and demand current is very big, but is
Its maximum discharge-rate is not to be exceeded in guarantee cell safety and service life, battery discharge current, and at this moment driving motor can not just be sent out
Its over-all properties is waved, sacrifices part accelerating ability.In braking energy feedback, driving motor can be generated far more than battery system
The electric current of maximum charge multiplying power is to carry out energy according to the electric current of battery maximum charge multiplying power to return in vehicle in actual use
Receive, can not the energy that generates of total power recycling braking, abandoned partial brake feedback energy, be equivalent to and have lost Some vehicles and continue
Navigate mileage.
Utility model content
The purpose of the utility model is to overcome shortcomings of the prior art, provide a kind of AC-battery power source of electric vehicle
Control system.
The purpose of this utility model is achieved through the following technical solutions：
A kind of AC-battery power source control system of electric vehicle, including：Control centre, current regulator, battery management system,
Battery pack, capacitance management system and super capacitor, the control centre include entire car controller and respectively with the full-vehicle control
The drive motor controller and detection unit of device connection；Wherein,
The battery pack connect composition battery charging and discharging circuit by the current regulator with the control centre, described
Super capacitor composes in parallel capacitor charge and discharge circuit with the control centre；
Collected battery status information is sent to the entire car controller, the capacitance tube by the battery management system
Collected capacitance state information is sent to the entire car controller by reason system；
The detection unit is included for detecting the vehicle speed sensor of real-time vehicle travel speed, for monitoring in real time
The accelerator pedal sensor of gas pedal state and the brake pedal sensor for detecting brake depth.
As further preferred scheme, the battery pack is made of the single battery of several series connection and/or parallel connection.
As further preferred scheme, the super capacitor is made of the monomer capacitance of several series connection and/or parallel connection.
As further preferred scheme, the battery management system includes battery voltage acquisition unit and battery temperature is adopted
Collect unit.
As further preferred scheme, the capacitance management system capacitance voltage collecting unit.
The utility model compared with the prior art the advantages of and have the beneficial effect that：
1st, the utility model is a kind of AC-battery power source control system of electric vehicle, by being equipped with battery pack and super capacitor
Combine, form a set of hybrid power source system, can realize good and bad complementation, both can provide stabilization for whole system for a long time
Discharge current, and instantaneous high current can be provided and carry out charge and discharge, reached the service life for extending battery system, increase vehicle
The purpose of course continuation mileage.
2nd, the AC-battery power source control system of the utility model by being equipped with super capacitor, makes it have current buffering effect,
Li-ion batteries piles charging and discharging currents can be allowed to become gentle, reduce the calorific value of battery pack, it is no longer necessary to battery thermal management system,
Cost is saved, and unnecessary energy expenditure can be reduced.The control system of the utility model can allow vehicle in boost phase
The performance of drive system is played as possible, promotes accelerating ability, in braking energy feedback, accomplishes what total power recycling braking generated
Energy, and then increase the continual mileage of vehicle.
Description of the drawings
Fig. 1 is the functional block diagram of the AC-battery power source control system of the electric vehicle of the utility model；
Fig. 2 is the flow chart of the AC-battery power source control method of the electric vehicle of the utility model.
Specific embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that make new to this practicality
The more thorough and comprehensive that the disclosure of type understands.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood meaning of technical staff in domain is identical.It is only in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " packet
Include the arbitrary and all combination of one or more relevant Listed Items.
Embodiment one
Referring to Fig. 1, the utility model provides a kind of AC-battery power source control system 10 of electric vehicle, including：In control
The heart 100, current regulator 200, battery management system 300, battery pack 400, capacitance management system 500 and super capacitor 600.Institute
Control centre 100 is stated for controlling entire AC-battery power source control system；The current regulator 200 exports for regulating cell group
Or the electric current of input；The battery management system 300 is used to monitor each single battery in battery pack 400；The battery pack
400 energy for providing the electric energy to discharge with absorbing braking recycling；The capacitance management system 500 is used for monitoring super capacitance
Each monomer capacitance in 600；The super capacitor 600 provides the discharge current of super large or charging electricity for system in order to control
Stream.It should be noted that the battery management system BMS and the battery pack 400 form battery system；The capacitance management system
System CMS and the super capacitor 600 form super capacitor system.Further, the battery pack 400 by several series connection and/
Or single battery composition in parallel.The super capacitor 600 is made of the monomer capacitance of several series connection and/or parallel connection.
The control centre 100 includes entire car controller 110 and the driving being connect respectively with the entire car controller 110 electricity
Machine controller 120 and detection unit 130；Wherein, the battery pack 400 passes through in the current regulator 500 and the control
The connection composition battery charging and discharging of the heart 100 circuit, the super capacitor 600 compose in parallel capacitance charge and discharge with the control centre 100
Electrical circuit.
Specifically, the battery management system 300 is connect with the battery pack 400, the super capacitor 600 and the electricity
Content management system 500 connects, and the entire car controller 110 connects respectively with battery management system 300 and capacitance management system 500
It connects.It is noted that the battery management system 300 includes battery voltage acquisition unit and battery temperature collecting unit.It is described
Capacitance management system 500 includes capacitance voltage collecting unit and capacitor system temperature collecting cell.
Collected battery status information is sent to the entire car controller 110 by the battery management system 300, described
Collected capacitance state information is sent to the entire car controller 110 by capacitance management system 600.The detection unit 130
Vehicle speed sensor 132 including being used to detect real-time vehicle travel speed, the oil for monitoring gas pedal state in real time
Door pedal sensor 134 and the brake pedal sensor 136 for detecting brake depth.
The course of work：
After the completion of vehicle powers on, the number of VCU (entire car controller) acquisition brake pedal sensors and accelerator pedal sensor
According to determining vehicle-state.Divide three kinds of situations：
The first situation：If collecting brake pedal semaphore is more than S (S is brake pedal sensor initial value),
Think that driver touches on the brake, then judge speed, if speed is more than V (V is the lower limit speed for opening Brake energy recovery) at this time,
Then carry out Brake energy recovery.Initial stage speed is higher, and recycling electric current is big, closes current regulator (CR), high current energy at this time
Feedback is only charged to super capacitor.If also there are recyclable Brake Energies for super capacitor fully charged (SOC >=99% of CMS)
Amount opens current regulator and charges to battery system, by current regulator regulating cell system charging current, makes it in battery
Under the maximum allowable charging current of system.When battery system is also filled with electricity (SOC >=99% of BMS), control driving motor control
Device processed closes energy regenerating, battery and super capacitor is avoided to overcharge.It in this way can recycling braking energy as much as possible, moreover it is possible to
Battery system is avoided to cross multiplying power charging.
The second situation：If collecting brake pedal semaphore is not more than S (S is brake pedal sensor initial value),
Think that driver does not touch on the brake, then acquire accelerator pedal sensor signal, (Y is oil if accelerator pedal signal amount is more than Y
Door pedal sensor initial value), then it is assumed that driver steps on the gas, and vehicle is likely to be at the uniform velocity transport condition or accelerates shape
State.If at this moment super capacitor electricity is sufficient (SOC >=80% of CMS)：Current regulator is closed, vehicle only uses super capacitor
Electricity；If at this moment super capacitor electricity is less than the 80% (SOC of CMS<80%), then further judge battery system electricity,
If SOC >=30% of BMS at this time：Current regulator is opened, by CR regulating cell system discharge electric currents, makes it in battery system
It unites under maximum allowable discharge current；If the SOC of BMS at this time<30%, then it is assumed that battery system not enough power supply：CR is closed, is protected
Card battery system, which will not be crossed, to be put.
The third situation：If collect brake pedal semaphore no more than S (S be brake pedal sensor initial value) and
Accelerator pedal signal amount is no more than Y (Y is accelerator pedal sensor initial value), then it is assumed that vehicle remains static at this time, needs
Ask electric current smaller.If at this moment super capacitor electricity is not less than 50% (SOC >=50% of CMS), CR is closed；If at this moment surpass
Grade capacitance electricity is less than the 50% (SOC of CMS<50%), then further judge battery system electricity, if at this time the SOC of BMS >=
30%：CR is opened, by CR regulating cell system discharge electric currents, makes it under the maximum allowable discharge current of battery system；Such as
The SOC of fruit BMS at this time<30% is thought battery system not enough power supply：CR is closed, ensures that battery system will not be crossed and puts.
Compared with prior art, the utility model has following technique effect：
1st, the utility model is a kind of AC-battery power source control system of electric vehicle, by being equipped with battery pack and super capacitor
Combine, form a set of hybrid power source system, can realize good and bad complementation, both can provide stabilization for whole system for a long time
Discharge current, and instantaneous high current can be provided and carry out charge and discharge, reached the service life for extending battery system, increase vehicle
The purpose of course continuation mileage.
2nd, the AC-battery power source control system of the utility model by being equipped with super capacitor, makes it have current buffering effect,
Li-ion batteries piles charging and discharging currents can be allowed to become gentle, reduce the calorific value of battery pack, it is no longer necessary to battery thermal management system,
Cost is saved, and unnecessary energy expenditure can be reduced.The control system of the utility model can allow vehicle in boost phase
The performance of drive system is played as possible, promotes accelerating ability, in braking energy feedback, accomplishes what total power recycling braking generated
Energy, and then increase the continual mileage of vehicle.
Embodiment two
Referring to Fig. 2, the AC-battery power source control system based on above-mentioned electric vehicle, the utility model also provide a kind of electricity
The AC-battery power source control method 20 of electrical automobile, this method includes the following steps：
After the completion of S1, vehicle power on, vehicle-state is determined；The step S1 is specially：After the completion of vehicle powers on, vehicle control
Device processed obtains the data of brake pedal sensor, accelerator pedal sensor and vehicle speed sensor, determines vehicle-state.
S2, it contains much information when the entire car controller collects brake pedal in the first initial value S, and detect that speed is big
When the second initial value V, then energy recuperation mode is opened；The first initial value S is brake pedal sensor initial value, described
Second initial value V is the lower limit speed for opening energy-recuperation system.
When vehicle is in braking state, energy recuperation mode is opened, battery charging and discharging circuit is first disconnected, by super capacitor
Recycle braking energy；When super capacitor is fully charged, and also there are recyclable braking energies, connect battery charging and discharging circuit,
Until battery pack is also filled with electricity, energy recuperation mode is just closed.
S3, it is not more than the first initial value S, and gas pedal is believed when the entire car controller collects brake pedal information content
When breath amount is more than third initial value Y, then the discharge mode of transport condition is opened；The first initial value S is sensed for brake pedal
Device initial value, the third initial value Y are accelerator pedal sensor initial value.
When vehicle is in average rate transport condition or acceleration mode, the discharge mode of transport condition is opened, works as super capacitor
SOC be more than first threshold, then disconnect battery charging and discharging circuit, powered by super capacitor；Otherwise, battery charging and discharging is closed to return
Road is powered jointly by battery pack and super capacitor, when the SOC of battery pack is less than second threshold, closes putting for transport condition
Power mode；It should be noted that the first threshold is 80%.
S4, it is not more than the first initial value S, and gas pedal is believed when the entire car controller collects brake pedal information content
When breath amount is not more than third initial value Y, then the discharge mode of stationary state is opened.
When a vehicle is at rest, the discharge mode of stationary state is opened, when the SOC of super capacitor is more than third threshold
During value, then battery charging and discharging circuit is disconnected, is powered by super capacitor；Otherwise, battery charging and discharging circuit is closed, by battery pack and is surpassed
Grade capacitance is powered jointly, when the SOC of battery pack is less than second threshold, closes the discharge mode of stationary state.It needs to illustrate
, the second threshold is 30%；The third threshold value is 50%.
The utility model is a kind of AC-battery power source control method of electric vehicle, is opened by judging vehicle state in which
Energy recuperation mode or discharge mode are opened, and due to that with super capacitor, in energy recuperation mode, can carry out complete
Power Recovery, until super capacitor and battery pack are each filled with electricity；In discharge mode, the property of drive system can be played as possible
It can so that reach best discharge-rate.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed
Carefully, but it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the general of this field
For logical technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these are all
Belong to the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (5)
1. a kind of AC-battery power source control system of electric vehicle, which is characterized in that including：Control centre, current regulator, battery
Management system, battery pack, capacitance management system and super capacitor, the control centre include entire car controller and respectively with it is described
The drive motor controller and detection unit of entire car controller connection；Wherein,
The battery pack connect composition battery charging and discharging circuit by the current regulator with the control centre, described super
Capacitance composes in parallel capacitor charge and discharge circuit with the control centre；
Collected battery status information is sent to the entire car controller, the capacitance management system by the battery management system
Collected capacitance state information is sent to the entire car controller by system；
The detection unit is included for detecting the vehicle speed sensor of real-time vehicle travel speed, for monitoring throttle in real time
The accelerator pedal sensor of pedal state and the brake pedal sensor for detecting brake depth.
2. the AC-battery power source control system of electric vehicle according to claim 1, which is characterized in that if the battery pack by
Dry series connection and/or the single battery composition of parallel connection.
3. the AC-battery power source control system of electric vehicle according to claim 1, which is characterized in that the super capacitor by
Several series connection and/or monomer capacitance composition in parallel.
4. the AC-battery power source control system of electric vehicle according to claim 1, which is characterized in that the battery management system
System includes battery voltage acquisition unit and battery temperature collecting unit.
5. the AC-battery power source control system of electric vehicle according to claim 1, which is characterized in that the capacitance management system
System includes capacitance voltage collecting unit and capacitance temperature collecting unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721359595.5U CN207466400U (en) | 2017-10-20 | 2017-10-20 | A kind of AC-battery power source control system of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721359595.5U CN207466400U (en) | 2017-10-20 | 2017-10-20 | A kind of AC-battery power source control system of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207466400U true CN207466400U (en) | 2018-06-08 |
Family
ID=62264501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721359595.5U Active CN207466400U (en) | 2017-10-20 | 2017-10-20 | A kind of AC-battery power source control system of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207466400U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091719A (en) * | 2019-05-28 | 2019-08-06 | 安徽安凯汽车股份有限公司 | A kind of pure electric vehicle brake power recovering device |
| CN111890953A (en) * | 2020-08-06 | 2020-11-06 | 赵昕 | Intelligent super-type electric automobile |
| CN114475352A (en) * | 2022-03-18 | 2022-05-13 | 珠海极海半导体有限公司 | Battery supply circuit, battery management system, MPU and automobile power system |
-
2017
- 2017-10-20 CN CN201721359595.5U patent/CN207466400U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091719A (en) * | 2019-05-28 | 2019-08-06 | 安徽安凯汽车股份有限公司 | A kind of pure electric vehicle brake power recovering device |
| CN111890953A (en) * | 2020-08-06 | 2020-11-06 | 赵昕 | Intelligent super-type electric automobile |
| CN114475352A (en) * | 2022-03-18 | 2022-05-13 | 珠海极海半导体有限公司 | Battery supply circuit, battery management system, MPU and automobile power system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107499180B (en) | Pure electric vehicle power control method and system | |
| CN107878225A (en) | The AC-battery power source control system and its control method of a kind of electric automobile | |
| CN105711434B (en) | A kind of electric automobile power battery management system | |
| CN104108316B (en) | Electrohydraulic-combined brake control method of battery electric vehicle | |
| US8692507B2 (en) | Multiple stage heterogeneous high power battery system for hybrid and electric vehicle | |
| US8532854B2 (en) | Method and apparatus for managing multiple battery packs in a hybrid or electric vehicle | |
| Li et al. | Hybrid energy storage system and energy distribution strategy for four-wheel independent-drive electric vehicles | |
| CN104960429B (en) | The power distribution means and energy distributing method of a kind of city electric bus compound energy | |
| CN207466400U (en) | A kind of AC-battery power source control system of electric vehicle | |
| Liang et al. | Energy management strategy for a parallel hybrid electric vehicle equipped with a battery/ultra-capacitor hybrid energy storage system | |
| CN107054140A (en) | Fuel cell hybrid car energy-storage system and energy distributing method based on elastic energy storage | |
| Sadoun et al. | Influence of the drive cycles on the sizing of hybrid storage system battery-supercapacitor supplying an electric vehicle | |
| CN108790848A (en) | A kind of fuel-cell vehicle uphill starting control system, method and vehicle | |
| CN111409471A (en) | Torque control method of four-wheel drive electric automobile | |
| CN104002697B (en) | A kind of method of the control of discharge of extended-range electric vehicle | |
| Rade | Design and development of hybrid energy storage system for electric vehicle | |
| CN108702004A (en) | Method and system for controlling the electric current for being fed to battery pack | |
| CN105162225A (en) | External-mix self-reconfigurable supercapacitor battery circuit and quick charge control method | |
| CN104960431B (en) | A kind of power distribution means and energy distributing method based on lithium-rich manganese-based lithium battery motor-car | |
| CN102897041B (en) | A kind of four-wheel-drive hybrid power system regenerative braking torque distribution method | |
| CN107599870A (en) | New-energy automobile drive system and its driving method | |
| CN102991496A (en) | Energy recycling control method and system used for hybrid electric vehicle | |
| US10857904B2 (en) | Vehicle | |
| CN106965683A (en) | Electric automobile composite energy storage system and its energy distributing method with whirlpool spring generating mechanism | |
| Barresi et al. | Sizing and energy management strategy of a hybrid energy storage system for evs |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 516006 No. 36 Huifeng seven road, Zhongkai hi tech Zone, Huizhou, Guangdong Patentee after: Guangdong Yiding New Energy Vehicle Co.,Ltd. Address before: 516006 No. 36 Huifeng seven road, Zhongkai hi tech Zone, Huizhou, Guangdong Patentee before: GUANGDONG YIDING NEW ENERGY AUTOMOBILE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 516006 No.3 Xingyuan North Road, Sanhe Village, Tonghu Town, Zhongkai High-tech Zone, Huizhou City, Guangdong Province Patentee after: Huizhou Yiwei New Energy Co.,Ltd. Address before: 516006 No. 36 Huifeng seven road, Zhongkai hi tech Zone, Huizhou, Guangdong Patentee before: Guangdong Yiding New Energy Vehicle Co.,Ltd. |
|
| CP03 | Change of name, title or address |