CN107666173A - A kind of electric automobile Lead-acid Battery Intelligent Charging system - Google Patents
A kind of electric automobile Lead-acid Battery Intelligent Charging system Download PDFInfo
- Publication number
- CN107666173A CN107666173A CN201711114260.1A CN201711114260A CN107666173A CN 107666173 A CN107666173 A CN 107666173A CN 201711114260 A CN201711114260 A CN 201711114260A CN 107666173 A CN107666173 A CN 107666173A
- Authority
- CN
- China
- Prior art keywords
- unit
- lead
- charging system
- electric automobile
- acid battery
- 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- Withdrawn
Links
- 239000002253 acid Substances 0.000 title claims abstract description 35
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000005856 abnormality Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000011217 control strategy Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000013519 translation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000010287 polarization Effects 0.000 description 3
- 230000008034 disappearance Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H02J7/045—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/11—DC charging controlled by the charging station, e.g. mode 4
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00711—Regulation of charging or discharging current or voltage with introduction of pulses during the charging process
-
- 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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a kind of electric automobile Lead-acid Battery Intelligent Charging system, including power conversion unit, charge/discharge unit, parameter acquisition unit, Auxiliary Power Units, isolated location, Main Control Unit, CAN interface unit, display unit, alarm unit and fan cooling unit.The present invention utilizes determines the New-type charge control strategy that electric current and positive negative pulse stuffing are combined stage by stage, simultaneously using single-chip microcomputer numeral PI control technologies and efficient, low-loss DC DC translation circuits, charging rate significantly improves, charging is safer, battery heating is low, reduce the influence to accumulator capacity and life-span, and the power management IC of costliness is substituted using cheap single-chip microcomputer, realize intelligent accummulatorization monitoring and management.
Description
Technical field
The present invention relates to charging batteries of electric automobile technical field, more particularly to a kind of electric automobile lead-acid accumulator intelligence
Charging system.
Background technology
With the continuous consumption of petroleum-based energy, electric automobile is studied and pushed away by countries in the world with the characteristic of its energy-conserving and environment-protective
Extensively.But electrokinetic cell is always the maximum bottleneck for restricting Development of Electric Vehicles.Valve control maintenance-free lead accumulator (VRLA) with
Main dynamics equipment by means of the advantages that its manufacturing cost is low, capacity is big, voltage stabilization as electric automobile.But if battery uses
Improper, its life-span will greatly shorten.It has been investigated that charging process influences maximum, discharge process influence phase on battery life
To smaller.Therefore charging system is to decisive influence from the life-span of battery.
Traditional charging method is by increasing charging current, reaching the purpose of quick charge, but large current charge is inevitable
Phenomena such as battery excessively stream, excess temperature, polarizing polar plates can be caused, have a strong impact on the life of storage battery.If with low current trickle charge, although right
Life of storage battery influence is smaller, but the charging interval relative can extend.To solve the contradictory problems in charging interval and battery life, lead to
The understanding to battery charging process internal chemical characteristic is crossed, a kind of new charge control strategy is proposed, to realize battery height
Imitate, be quick, harmless charging, meaning is very great.
The content of the invention
(1) technical problem solved
In order to solve the above problems, the invention provides a kind of electric automobile Lead-acid Battery Intelligent Charging system, utilizes
The New-type charge control strategy that electric current and positive negative pulse stuffing are combined is determined stage by stage, realizes that battery is efficient, quick, harmless to be filled
Electricity.
(2) technical scheme
A kind of electric automobile Lead-acid Battery Intelligent Charging system, including power conversion unit, charge/discharge unit, parameter are adopted
Collect unit, Auxiliary Power Units, isolated location, Main Control Unit, CAN interface unit, display unit, alarm unit and fan
Heat-sink unit；
The power conversion unit is single-end ortho-exciting DC-DC conversion circuit, inputs AC220V civil powers, exports lead-acid accumulator
Required dc source；
The charge/discharge unit carries out charge and discharge control to the lead-acid accumulator；
The parameter acquisition unit gathers current voltage, electric current and the temperature value of the lead-acid accumulator, and described in feeding
The ADC input channels of Main Control Unit single-chip microcomputer；
The Auxiliary Power Units input AC220V civil powers, output+5V DC voltages, to the isolated location and the master
Controller unit provides operating voltage；
The isolated location carries out the Main Control Unit and the power conversion unit and the charge/discharge unit
Isolation, prevents interference of the high frequency power circuit to digital control circuit；
The Main Control Unit is handled compared with setting value the currency of collection, and exports pwm pulse signal
Pass through the isolated location to the power conversion unit and the charge/discharge unit；
The Main Control Unit accesses vehicle-mounted CAN bus by the CAN interface unit, is carried out with whole-control system
Data exchange；
The display unit shows current charged state and voltage, electric current and temperature value；
The warning circuit is alarmed charging abnormality；
Radiating and cooling is blowed to the lead-acid accumulator in the fan cooling unit.
Further, the power conversion unit includes the first rectifier bridge, the first transformer, the first FET, first
~the four diode, inductance, the first~the 3rd electric capacity and first resistor, wherein first transformer is high frequency transformer, institute
It is Esaki diode to state the first diode, described first and the 3rd electric capacity be electrochemical capacitor.
Further, the charge/discharge unit includes second and the 3rd FET, second and electric three resistance.
Further, the Auxiliary Power Units include the second transformer, the second rectifier bridge, voltage-stablizer, the 4th and the 5th
Electric capacity, wherein second transformer is small-power AC transformer, the voltage-stablizer selects LM7805, and the 4th electric capacity is
Electrochemical capacitor.
Further, the Main Control Unit selects STC12C5A60S2 single-chip microcomputers.
Further, the isolated location selects high speed photo coupling 6N137.
Further, the CAN interface unit includes CAN controller and CAN transceiver, the CAN controller choosing
With SJA1000, the CAN transceiver selects PCA82C250.
(3) beneficial effect
The invention provides a kind of electric automobile Lead-acid Battery Intelligent Charging system, electric current and positive and negative is determined in utilization stage by stage
The New-type charge control strategy that pulsion phase combines, while using single-chip microcomputer numeral PI control technologies and efficient, low-loss DC-DC
Translation circuit, charging rate significantly improve, and charging is safer, and battery heating is low, reduce to accumulator capacity and life-span
Influence, and using cheap single-chip microcomputer come substitute costliness power management IC, realize intelligent accummulatorization monitoring with
Management.
Brief description of the drawings
Fig. 1 is a kind of structured flowchart of electric automobile Lead-acid Battery Intelligent Charging system involved in the present invention.
Fig. 2 is a kind of charge-discharge circuit principle of electric automobile Lead-acid Battery Intelligent Charging system involved in the present invention
Figure.
Fig. 3 is a kind of Auxiliary Power Units electricity of electric automobile Lead-acid Battery Intelligent Charging system involved in the present invention
Road schematic diagram.
Embodiment
Embodiment involved in the present invention is described in further details below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of electric automobile Lead-acid Battery Intelligent Charging system, including power conversion unit, discharge and recharge
Unit, parameter acquisition unit, Auxiliary Power Units, isolated location, Main Control Unit, CAN interface unit, display unit, report
Alert unit and fan cooling unit；Power conversion unit is single-end ortho-exciting DC-DC conversion circuit, inputs AC220V civil powers, output
Dc source needed for lead-acid accumulator；Charge/discharge unit carries out charge and discharge control to lead-acid accumulator；Parameter acquisition unit is adopted
Collect current voltage, electric current and the temperature value of lead-acid accumulator, and be sent into the ADC input channels of Main Control Unit single-chip microcomputer；It is auxiliary
Help power subsystem to input AC220V civil powers, output+5V DC voltages, work electricity is provided to isolated location and Main Control Unit
Pressure；Isolated location is isolated Main Control Unit and power conversion unit and charge/discharge unit, prevents high frequency power circuit
Interference to digital control circuit；Main Control Unit is handled compared with setting value the currency of collection, and exports PWM
Pulse signal passes through isolated location to power conversion unit and charge/discharge unit；Main Control Unit is connect by CAN interface unit
Enter vehicle-mounted CAN bus, data exchange is carried out with whole-control system；Display unit shows current charged state and voltage, electricity
Stream and temperature value；Warning circuit is alarmed charging abnormality；Fan cooling unit lead-acid accumulator is blowed scattered
Heat drop temperature.
Main Control Unit selects STC12C5A60S2 single-chip microcomputers, is high speed/low-power consumption of new generation/superpower jamproof
8051 single-chip microcomputers, it is internally integrated MAX810 Special reset circuits, 2 road PWM, 8 road 10-bit high speed A/D conversion, operating voltage 3.3
~5.5V, operating temperature range -40~+85 DEG C, for the strong jamming occasion such as motor control.
As shown in Fig. 2 power conversion unit include rectifier bridge DB1, transformer T1, FET Q1, diode D1~D4,
Inductance L1, electric capacity C1~C3 and resistance R1, wherein transformer T1 are high frequency transformer, and diode D1 is Esaki diode, electric capacity
C1 and C3 is electrochemical capacitor.Charge/discharge unit includes FET Q2 and Q3, resistance R2 and R3.E1 is 12V/12AH lead acid storage batteries
Pond, terminal voltage is about 14.7V when fully charged.Because circuit system power is about in 150w, therefore use lower-cost single-end ortho-exciting
DC-DC conversion circuit.AC220V, 50Hz industrial frequency AC civil power are passed through into rectifying and wave-filtering, access DC-DC single-end ortho-exciting conversion first
Circuit, then obtain dc source after being filtered by LC.Adjust the pwm pulse signal duty of single-chip microcomputer STC12C5A60S2 outputs
Than to control FET Q1 conducting to turn off, and then obtaining required DC voltage and electric current.Utilize FET Q2 simultaneously
With Q3 interval turn-on and turn-off amplitude and the time of pulse are charged and discharged to control.During FET Q2 conducting Q3 shut-offs,
Realize that positive pulse charges；During FET Q3 conducting Q2 shut-offs, negative pulse discharge is realized.
Based on the law of Maas three, the specific control strategy of charging process of the system is as follows：
(1) high current constant-current phase.Charging initial stage, when accumulator voltage is less than 12V, represent that battery electric quantity is relatively low,
Constant-current charge is carried out using high current, battery is filled with more electricity as far as possible in the short period of time.When the end of battery
When voltage rises to 14.7V, water starts to decompose, and produces polarization and gassing phenomenon, now stops charging.After a period of time, it is transferred to
Next stage.
(2) the positive negative pulse stuffing quick charge stage.In resting the stage for pulse, with the disappearance of charging current, polarization phenomena
Partial disappearance.Then discharge again, make battery back through larger current, gassing phenomenon can be eliminated caused by gas, go forward side by side
One step eliminates polarization phenomena, battery is received the speed of electricity and accelerates.This stage is sub-divided into three-level, connects charging current
Nearly battery acceptable charging current, so as to while quick charge, cause to damage to battery.
(3) constant pressure supplies the charging stage.After the first two stage, do not ensure that accumulator electric-quantity has been filled with.This
When, it should also carry out constant pressure and supply charging.This stage charging current is gradually reduced, when detecting that electric current drops to a certain threshold value,
Stop charging.Now also indicate that charging process is fully completed.
Parameter acquisition unit gathers current voltage, electric current and the temperature of lead-acid accumulator, and is sent into single-chip microcomputer
STC12C5A60S2 A/D mouths are handled.Single-chip microcomputer STC12C5A60S2 compared with setting value, adopts the data of collection
(control deviation is formed with digital PI control technologies according to set-point and actual value, the ratio of deviation and integration are passed through linear group
Close and form controlled quentity controlled variable, controlled device is controlled) dutycycle for exporting pwm pulse signal is adjusted, realize in charging process
Constant current, constant pressure, and by controlling FET Q2 and Q3 turn-on and turn-off, realize positive negative pulse stuffing quick charge.
To prevent interference of the HF power conversion circuit to digital control circuit, system utilizes high speed photo coupling 6N137 by two
Partial circuit is isolated.Therefore, digital control circuit part must individually power, as shown in figure 3, Auxiliary Power Units include transformation
Device T2, rectifier bridge DB2, voltage-stablizer U1, electric capacity C4 and C5, wherein transformer T2 are small-power AC transformer, and voltage-stablizer U1 is selected
With LM7805, electric capacity C4 is electrochemical capacitor.AC220V electric mains are depressured to exchange using small-power AC transformer T2
12V, direct current+5V voltage outputs is realized using voltage-stablizer LM7805 after rectifying and wave-filtering, to single-chip microcomputer STC12C5A60S2 and high speed
The chips such as optocoupler 6N137 provide operating voltage.
CAN interface unit includes CAN controller and CAN transceiver, and CAN controller selects SJA1000, CAN
Transceiver selects PCA82C250.Because single-chip microcomputer STC12C5A60S2 does not integrate internal controller, need to increase in peripheral circuit
Add CAN controller SJA1000, vehicle-mounted CAN bus is accessed by CAN transceiver PCA82C250, entered with whole-control system
Row data exchange, the state parameter of lead-acid accumulator is sent to whole-control system, and it is corresponding to receive whole-control system
Vehicle-state message.
The corresponding charging stage is made it into by the detection to lead acid storage battery cell voltage, electric current, within the corresponding stage,
The pwm pulse signal dutycycle exported using digital PI control technologies constantly regulate single-chip microcomputer STC12C5A60S2, to realize
It is required that constant current or magnitude of voltage, while detect the temperature value of each stage battery.Display unit shows current charging shape
State and voltage, electric current and temperature value.If it exceeds the threshold value of setting, alarm unit are started working and stop charging.When temperature surpasses
When crossing 45 DEG C, start fan cooling unit, cool to battery, until temperature is returned within 20 DEG C.
The invention provides a kind of electric automobile Lead-acid Battery Intelligent Charging system, electric current and positive and negative is determined in utilization stage by stage
The New-type charge control strategy that pulsion phase combines, while using single-chip microcomputer numeral PI control technologies and efficient, low-loss DC-DC
Translation circuit, charging rate significantly improve, and charging is safer, and battery heating is low, reduce to accumulator capacity and life-span
Influence, and using cheap single-chip microcomputer come substitute costliness power management IC, realize intelligent accummulatorization monitoring with
Management.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to the structure of the present invention
Think and scope is defined.On the premise of design concept of the present invention is not departed from, technology of the ordinary people in the field to the present invention
The all variations and modifications that scheme is made, all should drop into protection scope of the present invention, the claimed technology contents of the present invention,
All record in detail in the claims.
Claims (7)
- A kind of 1. electric automobile Lead-acid Battery Intelligent Charging system, it is characterised in that：Including power conversion unit, discharge and recharge list Member, parameter acquisition unit, Auxiliary Power Units, isolated location, Main Control Unit, CAN interface unit, display unit, alarm Unit and fan cooling unit；The power conversion unit is single-end ortho-exciting DC-DC conversion circuit, inputs AC220V civil powers, is exported needed for lead-acid accumulator Dc source；The charge/discharge unit carries out charge and discharge control to the lead-acid accumulator；The parameter acquisition unit gathers current voltage, electric current and the temperature value of the lead-acid accumulator, and is sent into the master control The ADC input channels of device unit single-chip microcomputer processed；The Auxiliary Power Units input AC220V civil powers, output+5V DC voltages, to the isolated location and the main control Device unit provides operating voltage；The isolated location is isolated the Main Control Unit and the power conversion unit and the charge/discharge unit, Prevent interference of the high frequency power circuit to digital control circuit；The Main Control Unit is handled compared with setting value the currency of collection, and is exported pwm pulse signal and passed through The isolated location is to the power conversion unit and the charge/discharge unit；The Main Control Unit accesses vehicle-mounted CAN bus by the CAN interface unit, and data are carried out with whole-control system Exchange；The display unit shows current charged state and voltage, electric current and temperature value；The warning circuit is alarmed charging abnormality；Radiating and cooling is blowed to the lead-acid accumulator in the fan cooling unit.
- A kind of 2. electric automobile Lead-acid Battery Intelligent Charging system according to claim 1, it is characterised in that：The work( Rate converter unit include the first rectifier bridge, the first transformer, the first FET, the first~the 4th diode, inductance, first~ 3rd electric capacity and first resistor, wherein first transformer is high frequency transformer, first diode is Esaki diode, Described first and the 3rd electric capacity be electrochemical capacitor.
- A kind of 3. electric automobile Lead-acid Battery Intelligent Charging system according to claim 1, it is characterised in that：It is described to fill Discharge cell includes second and the 3rd FET, second and electric three resistance.
- A kind of 4. electric automobile Lead-acid Battery Intelligent Charging system according to claim 1, it is characterised in that：It is described auxiliary Power subsystem is helped to include the second transformer, the second rectifier bridge, voltage-stablizer, the 4th and the 5th electric capacity, wherein second transformer For small-power AC transformer, the voltage-stablizer selects LM7805, and the 4th electric capacity is electrochemical capacitor.
- A kind of 5. electric automobile Lead-acid Battery Intelligent Charging system according to claim 1, it is characterised in that：The master Controller unit selects STC12C5A60S2 single-chip microcomputers.
- A kind of 6. electric automobile Lead-acid Battery Intelligent Charging system according to claim 1, it is characterised in that：It is described every High speed photo coupling 6N137 is selected from unit.
- A kind of 7. electric automobile Lead-acid Battery Intelligent Charging system according to claim 1, it is characterised in that：It is described CAN interface unit includes CAN controller and CAN transceiver, and the CAN controller selects SJA1000, the CAN Transceiver selects PCA82C250.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711114260.1A CN107666173A (en) | 2017-11-13 | 2017-11-13 | A kind of electric automobile Lead-acid Battery Intelligent Charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711114260.1A CN107666173A (en) | 2017-11-13 | 2017-11-13 | A kind of electric automobile Lead-acid Battery Intelligent Charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107666173A true CN107666173A (en) | 2018-02-06 |
Family
ID=61144412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711114260.1A Withdrawn CN107666173A (en) | 2017-11-13 | 2017-11-13 | A kind of electric automobile Lead-acid Battery Intelligent Charging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107666173A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281813A (en) * | 2019-07-19 | 2019-09-27 | 杭州电力设备制造有限公司 | A kind of charging pile accumulator management device and charging pile system |
| CN110641317A (en) * | 2019-10-24 | 2020-01-03 | 安徽安凯汽车股份有限公司 | New energy automobile battery electric quantity control system |
| CN111934407A (en) * | 2020-08-18 | 2020-11-13 | 广东高斯宝电气技术有限公司 | Charging circuit and charging method for lead-acid storage battery |
| CN116191630A (en) * | 2023-04-27 | 2023-05-30 | 湖南恩智绿源电子技术有限公司 | Battery charging and discharging seamless switching system and method, double-quadrant power supply and electronic equipment |
-
2017
- 2017-11-13 CN CN201711114260.1A patent/CN107666173A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281813A (en) * | 2019-07-19 | 2019-09-27 | 杭州电力设备制造有限公司 | A kind of charging pile accumulator management device and charging pile system |
| CN110641317A (en) * | 2019-10-24 | 2020-01-03 | 安徽安凯汽车股份有限公司 | New energy automobile battery electric quantity control system |
| CN111934407A (en) * | 2020-08-18 | 2020-11-13 | 广东高斯宝电气技术有限公司 | Charging circuit and charging method for lead-acid storage battery |
| CN116191630A (en) * | 2023-04-27 | 2023-05-30 | 湖南恩智绿源电子技术有限公司 | Battery charging and discharging seamless switching system and method, double-quadrant power supply and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106696721B (en) | Dual-source energy system of pure electric vehicle, power supply control method, fast charging method and slow charging method | |
| US20190222038A1 (en) | Portable Emergency Energy-Storage System with Intelligent Protection | |
| CN107666173A (en) | A kind of electric automobile Lead-acid Battery Intelligent Charging system | |
| CN107579698A (en) | A kind of photovoltaic plant energy storage method | |
| CN109842191B (en) | Composite power supply system and power distribution method thereof | |
| CN102394504B (en) | Intelligent integrated power generation system | |
| CN107546830A (en) | A kind of super capacitor charger of the integrated pitch control based on DSP | |
| CN201355771Y (en) | Intelligent charger of electric automobile batteries | |
| CN204407961U (en) | Battery pack distribution multi-mode equalization charging circuit | |
| CN212304790U (en) | Vehicle-mounted micro-grid with solar panel and power plant formed by polymerizing same | |
| CN203747469U (en) | Hybrid vehicle hybrid power supply of self-adaptive filter power dividing control | |
| CN207612110U (en) | A kind of electric vehicle Lead-acid Battery Intelligent Charging system | |
| CN208209602U (en) | A kind of new energy intelligent charging system | |
| CN204633441U (en) | A kind of Intelligent charging system of electric automobile | |
| CN207866998U (en) | A kind of accumulator cell charging and discharging on-line monitoring system | |
| CN102231559B (en) | Self-adaptive rapid charging system for electric vehicle | |
| CN102253705A (en) | Super capacitor-based desk computer power supply device | |
| CN205657469U (en) | Can realize independent photovoltaic intelligent control device of quick charge | |
| CN104242441A (en) | Solar energy and AC network collaborative charging system | |
| CN209267240U (en) | A kind of electricity of power battery-electricity mixed power supply system | |
| CN204538732U (en) | Fully-automatic intelligent charging, reparation all-in-one | |
| CN102237705A (en) | Intelligent charging device for electric vehicles | |
| CN106427627A (en) | Quick charging system used for power grid friendly type new energy automobile and charging method of quick charging system | |
| CN207410098U (en) | Empty iron clad aluminum-air, lithium ion battery drive system | |
| CN206077019U (en) | A kind of power-supply management system based on multijunction solar cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180206 |
|
| WW01 | Invention patent application withdrawn after publication |