CN107394864A - A kind of accumulator of electric car charging and discharging state monitoring system - Google Patents
A kind of accumulator of electric car charging and discharging state monitoring system Download PDFInfo
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- CN107394864A CN107394864A CN201710757800.1A CN201710757800A CN107394864A CN 107394864 A CN107394864 A CN 107394864A CN 201710757800 A CN201710757800 A CN 201710757800A CN 107394864 A CN107394864 A CN 107394864A
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- 238000007599 discharging Methods 0.000 title claims abstract description 23
- 238000012544 monitoring process Methods 0.000 title claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 230000003993 interaction Effects 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims description 9
- 238000009825 accumulation Methods 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 230000001629 suppression Effects 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims description 3
- 238000011897 real-time detection Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 241001125929 Trisopterus luscus Species 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
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- H02J7/022—
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- 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
-
- 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
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/13—Maintaining the SoC within a determined range
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- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
-
- 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
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- H02J7/027—
-
- H02J7/045—
-
- 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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
-
- H02J2007/10—
-
- 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- 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
- Y02T10/72—Electric energy management in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of accumulator of electric car charging and discharging state monitoring system, includes inverse-excitation type switch power-supply and connected charge and discharge control module;The inverse-excitation type switch power-supply includes EMI filtration modules, AC/DC conversion equipments, high frequency transformer and loop compensation module;The charge and discharge control module includes charging control circuit, battery, charge/discharge control circuit, charging current detection module, terminal voltage detecting module, micro controller module, discharge current detection module, human-computer interaction module, pwm driver;The present invention is analyzed by the change to voltage and current in battery operation, the progress of work of battery is rationally controlled, so as to ensure and improve the service life cycle of battery.
Description
Technical field
The invention belongs to field of intelligent monitoring, more particularly to a kind of accumulator of electric car charging and discharging state monitoring system.
Background technology
Battery is widely used among a variety of industrial circles and daily life, its service life and charge less,
Overcharge and put excessively closely related.How to be effectively ensured and improve the service life of battery is in battery management system design
Urgent problem.
The design of battery management system is mainly carried out in terms of being charged and discharged two, and different application scenarios are taken
Charge and discharge control strategy also emphasize particularly on different fields.At present, charging strategy mainly uses three stage charging system, the hotter mainly arteries and veins of research
Punching charging, it is intended to avoid battery charge less with overcharging;Electric discharge strategy is main by the way of threshold voltage is set, it is intended to avoids storing
Battery, which is crossed, to be put.
Switching Power Supply is widely used in almost all of electronic equipment with the features such as small-sized, light weight and high efficiency, is to work as
Modern electronics and information industry develops rapidly a kind of indispensable power mode.Primary side feedback Switching Power Supply adds because saving optocoupler
TL431 structure, the space on system board is saved, reduce cost and improve the reliability of system, in power management
In be able to fast-developing and extensive use.
The content of the invention
The technical problems to be solved by the invention are that the deficiency for being directed to background provides a kind of accumulator of electric car charge and discharge
Electricity condition monitoring system, analyzed by the change to voltage and current in battery operation, rationally control battery
The progress of work, so as to ensure and improve the service life cycle of battery.
The present invention uses following technical scheme to solve above-mentioned technical problem
A kind of accumulator of electric car charging and discharging state monitoring system, include inverse-excitation type switch power-supply and connected charge and discharge
Electric control module;
The inverse-excitation type switch power-supply, charged for civil power to be converted into low-voltage DC for battery;
The charge and discharge control module, is controlled for the discharge and recharge in real time to battery;
The inverse-excitation type switch power-supply includes EMI filtration modules, AC/DC conversion equipments, high frequency transformer and loop compensation mould
Block;
Wherein, city is electrically accessed EMI filtration modules, for filtering out common mode and DM EMI in utility grid;
The EMI filtration modules connect high frequency transformer by AC/DC conversion equipments, for the alternating current of input to be converted into directly
Stream electricity, and then complete transformation by high frequency transformer;
The loop compensation module is connected with the output end of high frequency transformer and the input of AC/DC conversion equipments respectively, is used for
The output voltage of high frequency transformer carries out loop compensation;
The charge and discharge control module include charging control circuit, battery, charge/discharge control circuit, charging current detection module,
Terminal voltage detecting module, micro controller module, discharge current detection module, human-computer interaction module, pwm driver;
Inverse-excitation type switch power-supply connects battery by charging control circuit, for controlling battery to charge;
Battery and charge/discharge control circuit, for controlling battery discharging;
Charging current detection module, terminal voltage detecting module, discharge current detection module connect with micro controller module respectively, use
In the discharge current of voltage, battery in the charging current of real-time detection battery respectively, battery, by the telecommunications of collection
Number it is uploaded to micro controller module;
Human-computer interaction module is connected with micro controller module, for checking the voltage status and charging and discharging currents state of battery,
And for setting microcontroller parameter threshold;
The pwm driver connects with micro controller module, charging control circuit, charge/discharge control circuit respectively, is adopted for basis
The voltage and current parameters of collection, and then drive the pwm signal of charging control circuit and charge/discharge control circuit FET.
It is described as a kind of further preferred scheme of accumulator of electric car charging and discharging state monitoring system of the present invention
EMI filtration modules include common mode inductance, X electric capacity, Y capacitance and bleeder resistance;
The common mode inductance is made up of the coil of two coilings in the same direction, for eliminating loop difference current;
X electric capacity is attempted by common mode inductance both sides, for eliminating DM EMI;
Y capacitance is connected across output end and series connection neutral earthing, is disturbed for suppression common mode;
Bleeder resistance is used to eliminate the accumulation of static electricity occurred in wave filter.
As a kind of further preferred scheme of accumulator of electric car charging and discharging state monitoring system of the present invention, the storage
The terminal voltage of battery is between the V of 10.5 V~14.0.
It is described as a kind of further preferred scheme of accumulator of electric car charging and discharging state monitoring system of the present invention
The chip model of pwm driver is IR4427.
The present invention compared with prior art, has following technique effect using above technical scheme:
The present invention is analyzed by the change to voltage and current in battery operation, rationally controls the work of battery
Process, so as to ensure and improve the service life cycle of battery;
The AC-DC conversion equipments of the present invention eliminate outside start-up circuit, substantially reduce the power consumption of actuating section;The present invention uses
Close inside back cover pole pipe and realize and start, stand-by power consumption is low, and speed is fast, and the present invention, without high-pressure process, is easy to real using encapsulation technique is closed
It is existing, cost-effective;For the present invention when output short-circuit, system improves stability automatically into fixed frequency modes;
The EMI filtration modules of the present invention include common mode inductance, X electric capacity, Y capacitance and bleeder resistance, can effectively filter out in power network
Common mode and DM EMI, the common mode inductance is made up of the coil of two coilings in the same direction, for eliminating loop difference current;
X electric capacity is attempted by common mode inductance both sides, for eliminating DM EMI;Y capacitance is connected across output end and series connection neutral earthing,
Disturbed for suppression common mode;Bleeder resistance is used to eliminate the accumulation of static electricity occurred in wave filter.
Brief description of the drawings
Fig. 1 is present system structure principle chart.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings:
As shown in figure 1, a kind of accumulator of electric car charging and discharging state monitoring system, comprising inverse-excitation type switch power-supply and and its
The charge and discharge control module of connection;
The inverse-excitation type switch power-supply, charged for civil power to be converted into low-voltage DC for battery;
The charge and discharge control module, is controlled for the discharge and recharge in real time to battery;
The inverse-excitation type switch power-supply includes EMI filtration modules, AC/DC conversion equipments, high frequency transformer and loop compensation mould
Block;
Wherein, city is electrically accessed EMI filtration modules, for filtering out common mode and DM EMI in utility grid;
The EMI filtration modules connect high frequency transformer by AC/DC conversion equipments, for the alternating current of input to be converted into directly
Stream electricity, and then complete transformation by high frequency transformer;
The loop compensation module is connected with the output end of high frequency transformer and the input of AC/DC conversion equipments respectively, is used for
The output voltage of high frequency transformer carries out loop compensation;
Wherein, inverse-excitation type switch power-supply:The specific design index of Switching Power Supply is as follows:Power frequency inputs AC 220(1±20%)V;Directly
Stream output 18 V/10 A and 10 V/0.6 A;Switching frequency fS=65 kHz, power output Pout=180 W, operating efficiency η >=
85%, maximum duty cycle Dmax=0.45, electric current continuous type mode of operation(CCM).Specific design mainly includes 3 parts:EMI is filtered
Ripple, high frequency transformer and loop compensation.
EMI filtration modules:Electromagnetic interference caused by Switching Power Supply(EMI)Mainly based on Conduction Interference and near-field interference,
Including 2 kinds of states of common mode disturbances and DM EMI.The common mode that electromagnetic interface filter [6-8] can be effectively filtered out in power network is done with differential mode
Disturb.EMI filter circuit is mainly made up of common mode inductance, X electric capacity, Y capacitance and bleeder resistance.Common mode inductance is by two coilings in the same direction
Coil composition, for eliminating loop difference current;X electric capacity is attempted by common mode inductance both sides, for eliminating DM EMI;Y electricity
Appearance is connected across output end and series connection neutral earthing, is disturbed for suppression common mode;Bleeder resistance is used to eliminate may in wave filter
The accumulation of static electricity of appearance.
High frequency transformer:High frequency transformer design be Switching Power Supply design in most important link, transformer performance it is excellent
The bad job stability and performance for directly affecting Switching Power Supply.
The charge and discharge control module include charging control circuit, battery, charge/discharge control circuit, charging current detection,
Terminal voltage detecting, micro controller module, discharge current detection, human-computer interaction module, pwm driver;
Inverse-excitation type switch power-supply connects battery by charging control circuit, for controlling battery to charge;
Battery and charge/discharge control circuit, for controlling battery discharging;
Charging current detection, terminal voltage detecting, discharge current detection connect with micro controller module respectively, for inspection in real time respectively
Survey the charging current of battery, voltage, the discharge current of battery in battery, the electric signal of collection is uploaded to micro-control
Device module processed;
Human-computer interaction module is connected with micro controller module, for checking the voltage status and charging and discharging currents state of battery,
And for setting microcontroller parameter threshold;
The pwm driver connects with micro controller module, charging control circuit, charge/discharge control circuit respectively, is adopted for basis
The voltage and current parameters of collection, and then drive the pwm signal of charging control circuit and charge/discharge control circuit FET.
Terminal voltage changes 12 V batteries between the V of 10.5 V~14.0 in the course of the work, Chip Microcomputer A/D convert reference
Voltage is 5 V, it is therefore desirable to which sampled signal is linearly nursed one's health.The design uses resistance as 400 k Ω and 100 k Ω, essence
Spend and carry out partial pressure sampling, partial pressure coefficient k=0.2 for 1% resistance.
Accumulator cell charging and discharging electric current is obtained using Hall sensor.Because 2.5 V direct current biasings be present in the output of sensor,
To eliminate bias voltage, single-chip microcomputer conversion is reduced with calculating the time, difference channel is built using LM358, obtains actual electric current
Change voltage and carry out AD samplings.
The presence of circuit noise and external interference to be mixed with various noises in AD sampled signals, to improve sampled signal letter
Make an uproar and compare, use Butterworth LPF design method to devise cut-off frequecy of passband as 100 Hz herein, stopband cutoff frequency
Rate is 500 Hz, and the second order active low pass filter that output gain is 1 is filtered processing to signal.
System realizes the unified management [11,12] to accumulator charging/discharging process using PWM mode.According to FET
C-V characteristic is understood, in the saturation region of metal-oxide-semiconductor, when VGS is fixed, the influence of VDS change to IDS is little, has constant-current source
Characteristic.Therefore, the constant current output that the gate source voltage of FET can be set adaptively is adjusted by digital PI controller,
Realize multisection type modified constant-voltage charge management.In discharge process, accumulator voltage can gradually decrease down work from 13.1 V and cut
The only V of voltage 10.5 so that the output of battery is unstable.Therefore, DC load is carried out by the way of PWM pulsewidth modulations
Power supply, make battery is stable to export.
To prevent that battery to switching power circuit back discharge, utilizes the unidirectional of diode after being disconnected due to AC power
On state characteristic, prevent battery from inversely discharging by concatenating Schottky diode MBR20100 in the loop.Simultaneously, it is contemplated that store
Battery is likely to occur reversal connection when accessing, and causes circuit board component to damage, and design uses metal-oxide-semiconductor reverse-connection protection circuit, passes through resistance
R9 and voltage-regulator diode D2 provides the gate source voltage of FET.When reverse connection of accumulator, gate source voltage VGS=0, FET
Cut-off, charge circuit are disconnected.
Claims (5)
- A kind of 1. accumulator of electric car charging and discharging state monitoring system, it is characterised in that:Connect comprising Switching Power Supply and with it The charge and discharge control module connect;The inverse-excitation type switch power-supply, charged for civil power to be converted into low-voltage DC for battery;The charge and discharge control module, is controlled for the discharge and recharge in real time to battery;The inverse-excitation type switch power-supply includes EMI filtration modules, AC/DC conversion equipments, high frequency transformer and loop compensation mould Block;Wherein, city is electrically accessed EMI filtration modules, for filtering out common mode and DM EMI in utility grid;The EMI filtration modules connect high frequency transformer by AC/DC conversion equipments, for the alternating current of input to be converted into directly Stream electricity, and then complete transformation by high frequency transformer;The loop compensation module is connected with the output end of high frequency transformer and the input of AC/DC conversion equipments respectively, is used for The output voltage of high frequency transformer carries out loop compensation;The charge and discharge control module include charging control circuit, battery, charge/discharge control circuit, charging current detection module, Terminal voltage detecting module, micro controller module, discharge current detection module, human-computer interaction module, pwm driver;Inverse-excitation type switch power-supply connects battery by charging control circuit, for controlling battery to charge;Battery and charge/discharge control circuit, for controlling battery discharging;Charging current detection module, terminal voltage detecting module, discharge current detection module connect with micro controller module respectively, use In the discharge current of voltage, battery in the charging current of real-time detection battery respectively, battery, by the telecommunications of collection Number it is uploaded to micro controller module;Human-computer interaction module is connected with micro controller module, for checking the voltage status and charging and discharging currents state of battery, And for setting microcontroller parameter threshold;The pwm driver connects with micro controller module, charging control circuit, charge/discharge control circuit respectively, is adopted for basis The voltage and current parameters of collection, and then drive the pwm signal of charging control circuit and charge/discharge control circuit FET.
- A kind of 2. accumulator of electric car charging and discharging state monitoring system according to claim 1, it is characterised in that:It is described EMI filtration modules include common mode inductance, X electric capacity, Y capacitance and bleeder resistance;The common mode inductance is made up of the coil of two coilings in the same direction, for eliminating loop difference current;X electric capacity is attempted by common mode inductance both sides, for eliminating DM EMI;Y capacitance is connected across output end and series connection neutral earthing, is disturbed for suppression common mode;Bleeder resistance is used to eliminate the accumulation of static electricity occurred in wave filter.
- A kind of 3. accumulator of electric car charging and discharging state monitoring system according to claim 1, it is characterised in that:It is described The terminal voltage of battery is between the V of 10.5 V~14.0.
- A kind of 4. accumulator of electric car charging and discharging state monitoring system according to claim 1, it is characterised in that:It is described Charging current detection module and discharge current detection module use Hall sensor.
- A kind of 5. accumulator of electric car charging and discharging state monitoring system according to claim 1, it is characterised in that:It is described The chip model of pwm driver is IR4427.
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107807586A (en) * | 2017-11-30 | 2018-03-16 | 苏州切思特电子有限公司 | A kind of smart home power consumption control system based on metal-oxide-semiconductor |
CN107895992A (en) * | 2017-11-30 | 2018-04-10 | 苏州切思特电子有限公司 | A kind of solar storage battery charge-discharge monitoring system |
CN107907768A (en) * | 2017-11-30 | 2018-04-13 | 苏州切思特电子有限公司 | A kind of multifunctional electric electric power of equipment detecting system based on EMI filter power supplies |
CN107994636A (en) * | 2017-12-11 | 2018-05-04 | 江苏飞视文化发展有限公司 | A kind of roadside advertising film accumulator charging and discharging state detection device |
CN108275091A (en) * | 2018-02-05 | 2018-07-13 | 苏州睿艾迪汽车科技有限公司 | Automobile power back door ECU power-supply management systems |
CN108313120A (en) * | 2018-03-27 | 2018-07-24 | 新日(无锡)发展有限公司 | A kind of electric vehicle Electric Power Steering Control System |
CN108365653A (en) * | 2018-03-16 | 2018-08-03 | 新日(无锡)发展有限公司 | A kind of new-energy automobile accumulator cell charging and discharging monitoring system |
CN108382243A (en) * | 2018-03-16 | 2018-08-10 | 新日(无锡)发展有限公司 | A kind of accumulator of electric car monitoring system with overvoltage protection |
CN108454540A (en) * | 2018-03-16 | 2018-08-28 | 新日(无锡)发展有限公司 | A kind of electric automobile during traveling state intelligent monitoring system |
WO2023125826A1 (en) * | 2021-12-30 | 2023-07-06 | 奥动新能源汽车科技有限公司 | Bidirectional charging management system and battery supervision device thereof |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107807586A (en) * | 2017-11-30 | 2018-03-16 | 苏州切思特电子有限公司 | A kind of smart home power consumption control system based on metal-oxide-semiconductor |
CN107895992A (en) * | 2017-11-30 | 2018-04-10 | 苏州切思特电子有限公司 | A kind of solar storage battery charge-discharge monitoring system |
CN107907768A (en) * | 2017-11-30 | 2018-04-13 | 苏州切思特电子有限公司 | A kind of multifunctional electric electric power of equipment detecting system based on EMI filter power supplies |
CN107994636A (en) * | 2017-12-11 | 2018-05-04 | 江苏飞视文化发展有限公司 | A kind of roadside advertising film accumulator charging and discharging state detection device |
CN108275091A (en) * | 2018-02-05 | 2018-07-13 | 苏州睿艾迪汽车科技有限公司 | Automobile power back door ECU power-supply management systems |
CN108365653A (en) * | 2018-03-16 | 2018-08-03 | 新日(无锡)发展有限公司 | A kind of new-energy automobile accumulator cell charging and discharging monitoring system |
CN108382243A (en) * | 2018-03-16 | 2018-08-10 | 新日(无锡)发展有限公司 | A kind of accumulator of electric car monitoring system with overvoltage protection |
CN108454540A (en) * | 2018-03-16 | 2018-08-28 | 新日(无锡)发展有限公司 | A kind of electric automobile during traveling state intelligent monitoring system |
CN108313120A (en) * | 2018-03-27 | 2018-07-24 | 新日(无锡)发展有限公司 | A kind of electric vehicle Electric Power Steering Control System |
WO2023125826A1 (en) * | 2021-12-30 | 2023-07-06 | 奥动新能源汽车科技有限公司 | Bidirectional charging management system and battery supervision device thereof |
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