CN105071513B - A kind of vehicle-mounted formula charging system of electric vehicle - Google Patents
A kind of vehicle-mounted formula charging system of electric vehicle Download PDFInfo
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- CN105071513B CN105071513B CN201510476568.5A CN201510476568A CN105071513B CN 105071513 B CN105071513 B CN 105071513B CN 201510476568 A CN201510476568 A CN 201510476568A CN 105071513 B CN105071513 B CN 105071513B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The present invention provides a kind of vehicle-mounted formula charging system of electric vehicle, including dsp chip, DSP peripheral circuits, further includes：Input AC undervoltage detection circuits；Charge output polarity detection circuit；Battery voltage detection circuit；Charging voltage detects and fault tolerable circuit；Charging current detects and fault tolerable circuit；Each unit circuitry self test result coordinates the testing result of car body controller module, comprehensive to make safely and fast charging voltage and electric current, and self-inspection data and execution data are uploaded to car running computer or automobile middle control instrument screen display by CAN bus.The present invention solve prior art function it is simple, cannot intelligent cooperation electric vehicle electrical management module charging, 2 tunnel analog signals of charging voltage/current detecting and fault tolerable circuit output are acquired by dsp chip ADC, accurately judge charging voltage/electric current, dsp chip makes corresponding charging method/constant current value according to result and charges, it is ensured that battery will not lead to cell damage because voltage overcharges.
Description
Technical field
The present invention relates to New-energy electric vehicle charging systems, and in particular to a kind of intelligent and safe high-efficiency type electric vehicle fills
Electric system.
Background technology
It is driving that electric vehicle, which is exactly with electric power, using electric power as the vehicle of the energy.Electric vehicle generally includes power electric power storage
Pond, motor, electric machine controller, charger, DC converters, 6 big part of instrument and car body part form.In the continuation of the journey of electric vehicle
Journey and the service life of battery depend on charger intelligence degree and digitlization control accuracy.
Currently, charging electric motor vehicles device on the market, mostly uses open loop to charge, is easy to cause cell damage and fire
Generation.Because vehicle is to belong to sporting article, working environment, road conditions complexity are easy to cause battery connecting wire and loosen and lead
Line broken skin leads to the severe compromises such as poor contact and electric leakage.
And Functional Design is single, could not fully consider full vehicle electric condition and safely and fast charging control logic；Also deposit
It is low in power density, fan heat is needed to configure, the problems such as short life.
Invention content
For deficiencies of the prior art, the purpose of the present invention is to provide one kind fully considering the electrical item of full vehicle
Part and safely and fast charging control logic control, and there is the vehicle-mounted formula of electric vehicle of more function, intelligence degree height, long lifespan to fill
Electric system.
Realize that above-mentioned purpose, the present invention adopt the following technical scheme that：
A kind of vehicle-mounted formula charging system of electric vehicle, including dsp chip and its peripheral circuit, including：Input the under-voltage inspections of AC
Slowdown monitoring circuit；Electric-leakage detection circuit；Charge output polarity detection circuit；Battery voltage detection circuit；Charging voltage detect and it is fault-tolerant
Circuit；Charging current detects and fault tolerable circuit；Input AC power supplies current detection circuit；Charging system self-temperature detection circuit；
Output lead temperature sensing circuit；Per batteries temperature collection circuit；Battery flat temperature sensing circuit；Detection of electrical leakage and loud shellfish
Alarm, power-off protecting circuit；Parking detection circuit；CAN communication circuit；Digital man-machine information exchange circuit；Its circuit and
Signal connection relation is：
1）The analog signal of AC input undervoltage detection circuit output is acquired by dsp chip ADC, to determine whether it is under-voltage or
Overvoltage, dsp chip make protection according to result, and voltage value is passed to by CAN bus on car running computer or automobile instrument screen；
2）The simulation of detection of electrical leakage and loud shellfish alarm and power-off protecting circuit output is acquired by dsp chip ADC
Signal, to judge whether charger leaks electricity, dsp chip makes corresponding processing according to result；And it is handling result and electric leakage is electric
Stream passes to car running computer or automobile instrument screen display by CAN bus；
3）The analog signal that battery voltage detection circuit output is acquired by dsp chip ADC, to judge battery whether just
Often, dsp chip makes corresponding charging method and protection according to result, and handling result is passed to car running computer by CAN bus
Or automobile instrument screen display；
4）The two-way analog signal that charging voltage detection and fault tolerable circuit output are acquired by dsp chip ADC, accurately sentences
Disconnected charging voltage；
5）The two-way analog signal that charging current detection and fault tolerable circuit output are acquired by dsp chip ADC, accurately sentences
Disconnected charging current, dsp chip make corresponding charging method according to result, it is ensured that battery will not lead to cell damage because of overcurrent；
Dsp chip makes following charging method according to result：
（1）If battery virtual voltage is less than rated voltage 10%, charger is automatically into charge mode is repaired, for electricity
Pond group carries out reparation charging；
（2）According to the charging curve that charging voltage collection value Automatic-searching and battery match, when reality when according to charging
Charging current and charging voltage ADC acquisitions value of feedback are subject to the judgement of DSP programmed logics, it is ensured that battery is not overcharged and charge less；
（3）Using accurate charging current value and charging voltage value, the when reality charging current and charging electricity when according to charging
Pressure ADC acquisitions value of feedback ensures battery and charger safety, ensures to cause to charge because of overcurrent under any circumstance
Machine damages, it is ensured that charging current is the optimal charge electric current of battery, improves the charge efficiency of charger, and extends battery and charging
The service life of device；
（4）Combined charge electric current and charging time COMPREHENSIVE CALCULATING battery capacity simultaneously obtain charging instruction, and handling result is led to
It crosses CAN bus and passes to car running computer or automobile instrument screen display；
6）The analog signal that the output of AC power supplies current detection circuit is acquired by dsp chip ADC, to judge that input current is
No normal, dsp chip makes corresponding output power or drop power output according to result, and handling result and charging current are passed through
CAN bus passes to car running computer or automobile instrument screen display；
7）It is acquired by dsp chip ADC, charging system self-temperature detection circuit, the analog signal of output, to judge to fill
Whether electric appliance works at a normal temperature, and dsp chip makes corresponding output power or drop power output according to result, and will processing
As a result car running computer or automobile instrument screen display are passed to by CAN bus with charging temperature；
8）The analog signal that the output of output lead temperature sensing circuit is acquired by dsp chip ADC, come judge charger and
Whether battery connecting wire contacts well, and dsp chip makes corresponding output power or drop power output according to result, and will processing
As a result car running computer or automobile instrument screen display are passed to by CAN bus with conductor temperature；
9）By dsp chip ADC acquisition per the analog signal of batteries temperature collection circuit output, come when judging charging
Whether battery temperature is normal, and dsp chip makes corresponding output power or drop power output according to result, and by handling result and electricity
Pond temperature passes to car running computer or automobile instrument screen display by CAN bus；
10）The analog signal that the output of battery flat temperature sensing circuit is acquired by dsp chip ADC, to judge battery context
Temperature, dsp chip makes corresponding charging curve and method according to result, and handling result and battery flat temperature are passed through CAN
Bus passes to car running computer or automobile instrument screen display；
11）The simulation of detection of electrical leakage and loud shellfish alarm and power-off protecting circuit output is acquired by dsp chip ADC
Signal, to judge whether charger leaks electricity, dsp chip makes corresponding processing according to result, and handling result and electric leakage is electric
Stream passes to car running computer or automobile instrument screen display by CAN bus；
12）It is detected by dsp chip I/O port, parking detection circuit, the low level signal of output judges whether that parking is filled
Electricity, dsp chip make corresponding processing according to result；And handling result is passed into car running computer or automotive meter by CAN bus
Table screen display；
13）It is connected with vehicle CAN network by CAN communication circuit, mutually transmits and receive for data and MCU offer appearances are provided
Wrong data；
14）The information to charge every time is recycled display and fault self-checking by digital man-machine information exchange circuit by charactron
Code is alarmed, convenient for debugging and electric fault diagnosis；
Charger coordinates the testing result of car body controller module, synthesis to make peace by the above element circuit self-detection result
Full quick charge voltage and current, and self-inspection data and execution data are uploaded to by CAN bus in car running computer or automobile
Control instrument screen display.
Compared with prior art, the invention has the advantages that：
1, the present invention solve prior art function it is simple, cannot intelligent cooperation electric vehicle electrical management module fill
Electricity does not coordinate power battery and charging conductor temperature detection without fault-tolerant link, especially earth leakage protective, charge control electric current.
The 2 tunnel analog signals that charging voltage/current detecting and fault tolerable circuit output are acquired by dsp chip ADC are come accurate
Judge that charging voltage/electric current, dsp chip are made corresponding charging method, constant current value charging, constant pressure, trickle according to result and repaiied
Multiple charging method, it is ensured that battery will not be overcharged because of voltage or overcurrent leads to cell damage.
2, the present invention is according to cell voltage when not charging, automatic decision battery pack rated voltage；It can be to under-voltage plumbic acid
Battery carries out reparation charging, safeguards battery performance, increases battery.
3, can receive BMS management systems and the charge information that sends out of car running computer by CAN bus, and by receive information into
Row charges to various batteries（Including；Plumbic acid water battery, plumbic acid maintenance-free battery, ternary lithium battery, ferric phosphate lithium cell etc.）.
4, hardware design is integrated, parking charging protection function, safety when protecting Vehicular charging.
5, the present invention is integrated with earth leakage protective, leakage-current alarm, charging excess temperature, charging overcurrent, charging-cell temperature, charging electricity
The security information such as pond conducting wire detect, it is ensured that charger is safe to use and life is safe.
6, the present invention up-samples DSP data high-speed processing chips in hardware design, and artificial intelligence is integrated on Software for Design
Processing routine can be changed；Charging every time, hardware self-test first, and other body modules is coordinated mutually to examine just can be into after confirming safety
Enter charge mode.And by self-test, mutually inspection data pass to onboard instruments or car running computer is shown above.Convenient for breakdown judge and
Debugging.
7, this charger CAN communication agreement complies fully with national standard, can be communicated with national standard charging pile, carry out the preceding number that charges
According to exchange.
Description of the drawings
Fig. 1 is the high-efficiency vehicle-mounted formula charger functional-block diagram of electric vehicle intelligent and safe.
Fig. 2 is the high-efficiency vehicle-mounted formula charger application principle block diagram of electric vehicle intelligent and safe.
Specific implementation mode
With reference to embodiment and attached drawing, invention is further described in detail.
One, as shown in Figure 1, a kind of vehicle-mounted formula charging system of electric vehicle, including DSP processing chips, power circuit, periphery
Circuit, power EMC, EMI, current rectifying and wave filtering circuit, PWM isolation drives amplifying circuit, isolation power reduction voltage circuit, rectifying and wave-filtering are defeated
Go out circuit, complete machine working power circuit, further includes：
1, AC undervoltage detection circuits are inputted；
2, charge output polarity detection circuit；
3, battery voltage detection circuit；
4, charging voltage detection and fault tolerable circuit；
5, charging current detection and fault tolerable circuit；
6, AC power supplies current detection circuit is inputted；
7, charger self-temperature detection circuit；
8, output lead temperature sensing circuit；
9, per batteries temperature collection circuit；
10, battery flat temperature sensing circuit；
11, detection of electrical leakage and loud shellfish alarm, power-off protecting circuit；
12, parking detection circuit；
13, CAN communication circuit；
14, digital man-machine information exchange circuit.
Its circuit connects and principle is：
1）The analog signal that the output of AC undervoltage detection circuits is acquired by dsp chip ADC, to determine whether under-voltage and mistake
Pressure, dsp chip makes protection according to result, and voltage value is passed to by CAN bus on car running computer or automobile instrument screen.
2）By the analog signal of dsp chip ADC acquisition charging output polarity detection circuit output, come judge charger with
Whether battery polar connection is correct, and dsp chip makes charging and protection according to result, and handling result is passed by CAN bus
Onto car running computer or automobile instrument screen.
3）The analog signal that battery voltage detection circuit output is acquired by dsp chip ADC, to judge battery whether just
Often, dsp chip makes corresponding charging method and protection according to result, and handling result is passed to car running computer by CAN bus
Or automobile instrument screen display.
4）The 2 tunnel analog signals that charging voltage detection and fault tolerable circuit output are acquired by dsp chip ADC, accurately sentence
Disconnected charging voltage, dsp chip make corresponding charging method according to result, it is ensured that battery will not cause battery to damage because voltage overcharges
It is bad.Combined charge electric current and charging time COMPREHENSIVE CALCULATING battery capacity and charging instruction；And handling result is passed by CAN bus
To car running computer or automobile instrument screen display.
5）The 2 tunnel analog signals that charging current detection and fault tolerable circuit output are acquired by dsp chip ADC, accurately sentence
Disconnected charging current, dsp chip are made accordingly according to result, constant current value charging, it is ensured that battery and charging system will not be led because of overcurrent
Cause damage.Combined charge pressure and charging time COMPREHENSIVE CALCULATING battery capacity and charging instruction；And by handling result and charging current
Car running computer or automobile instrument screen display are passed to by CAN bus.
6）The analog signal that the output of AC power supplies current detection circuit is acquired by dsp chip ADC, to judge that input current is
No normal, dsp chip makes corresponding output power or drop power output according to result, it is ensured that charger will not cause to damage because of overcurrent
It is bad.And handling result and charging current are passed into car running computer or automobile instrument screen display by CAN bus.
7）It is acquired by dsp chip ADC, charging system self-temperature detection circuit, the analog signal of output, to judge to fill
Whether motor works at a normal temperature, and dsp chip makes corresponding output power or drop power output according to result, it is ensured that charging
System will not cause to damage because of excess temperature；And handling result and charging temperature are passed into car running computer or automotive meter by CAN bus
Table screen display.
8）The analog signal that the output of output lead temperature sensing circuit is acquired by dsp chip ADC, to judge charging system
Whether contacted well with battery connecting wire, dsp chip makes corresponding output power or drop power output according to result, it is ensured that fills
Fire occurs in large current charge for motor, protects battery and conducting wire；And handling result and conductor temperature are passed by CAN bus
To car running computer or automobile instrument screen display.
9）By dsp chip ADC acquisition per the analog signal of batteries temperature collection circuit output, come when judging charging
Whether battery temperature is normal, and dsp chip makes corresponding output power or drop power output according to result, it is ensured that battery is pacified when charging
Entirely, protection battery will not cause to damage because of excess temperature；And by handling result and battery temperature by CAN bus pass to car running computer or
Automobile instrument screen display.
10）The analog signal that the output of battery flat temperature sensing circuit is acquired by dsp chip ADC, to judge battery context
Temperature, dsp chip make corresponding charging curve and method according to result, prevent summer from overcharging, and winter is not fully filled phenomenon；Ensure
Cell safety and prolong the service life.And handling result and battery flat temperature are passed into car running computer or automobile by CAN bus
Instrument screen display.
11）The simulation of detection of electrical leakage and loud shellfish alarm and power-off protecting circuit output is acquired by dsp chip ADC
Signal, to judge whether charger leaks electricity, dsp chip makes corresponding processing according to result, it is ensured that human life's property safety；
And handling result and leakage current are passed into car running computer or automobile instrument screen display by CAN bus.
12）It is detected by dsp chip I/O port, parking detection circuit, the low level signal of output judges whether that parking is filled
Electricity, dsp chip make corresponding processing according to result, it is ensured that human life's property safety；And handling result is passed through into CAN bus
Pass to car running computer or automobile instrument screen display.
13）It is connected with vehicle CAN network by CAN communication circuit, mutually transmits and receive for data and MCU offer appearances are provided
Wrong data, convenient for the debugging of full vehicle, vehicle electric-diagnosis.
14）Digital man-machine information exchange circuit, effect be the information that will charge every time by the display of charactron cycle and
Self-test code is alarmed, and convenient for debugging and electric fault diagnosis, charger coordinates vehicle by the above element circuit self-detection result
The testing result of body controller module, it is comprehensive to make safely and fast charging voltage and electric current, and by self-inspection data and execute data
Car running computer or automobile middle control instrument screen display are uploaded to by CAN bus.
Two, referring to Fig. 2, the application of the high-efficiency vehicle-mounted formula charger of electric vehicle intelligent and safe.
On rechargeable battery, battery connecting wire on the high-efficiency vehicle-mounted formula charger of electric vehicle intelligent and safe and electric vehicle
Temperature sensor and rechargeable battery weak electricity measuring circuit even, be connected with the temperature sensor of battery flat.Meet existing electricity
Electrical automobile intelligence demand solves the shortcomings of charger charge efficiency is low, reliability is low, big to electric network pollution, and charge efficiency is high,
Power density is high, stabilization safe to use.
To sum up, the invention has the characteristics that：
1, it is electric automobile power battery to have, and safety, automatic fully charged ability, dynamic adjust charging current or electricity
Parameter is pressed, corresponding action is executed, completes charging process.
2, has the function of high-speed CAN network communication, whole group in obtaining battery system parameter and the preceding and charging process that charges
With the real time data of single battery.Can car running computer or obtain in detail on automobile instrument screen charger instantaneous operating conditions and
Detailed data and fault message convenient for debugging and are safeguarded.
3, complete safety prevention measure exchange input over-voltage protecting function；Exchange input undervoltage alarm function；It exchanges defeated
Enter overcurrent protection function；Direct current output overcurrent protection function；Direct current output short-circuit protection function；Output soft starting function prevents
Rush of current；In charging process, can guarantee that the temperature, charging voltage and electric current of power battery and connecting wire are no more than allows
Value；And there is monomer battery voltage limitation function, adjust charging current automatically according to the battery information dynamic of BMS.
4, whether automatic decision charge connector, charging cable correctly connect；After charger and battery correctly connect, fill
Motor could allow to start charging process；When charger is detected with charging pile or normal battery malunion, stop filling immediately
Electricity.
5, charge interlock, and ensureing that charger connect to separate with power battery cannot be started and be slided with vehicle in front；It is high
Interlock function is pressed, when the high voltage of harmful personal safety, module locking is without output and high-decibel alarm.
The above embodiment of the present invention is only example to illustrate the invention, and is not the implementation to the present invention
The restriction of mode.For those of ordinary skill in the art, other can also be made not on the basis of the above description
With the variation and variation of form.Every technical scheme of the present invention changes and variations that derived from that belong to still are located
In the row of protection scope of the present invention.
Claims (1)
1. a kind of vehicle-mounted formula charging system of electric vehicle, including dsp chip and its peripheral circuit, including：Input the under-voltage detections of AC
Circuit；Electric-leakage detection circuit；Charge output polarity detection circuit；Battery voltage detection circuit；Charging voltage detects and fault-tolerant electricity
Road；Charging current detects and fault tolerable circuit；Input AC power supplies current detection circuit；Charging system self-temperature detection circuit；It is defeated
Go out conductor temperature detection circuit；Per batteries temperature collection circuit；Battery flat temperature sensing circuit；Detection of electrical leakage and loud shellfish report
Alert prompt, power-off protecting circuit；Parking detection circuit；CAN communication circuit；Digital man-machine information exchange circuit；Its circuit and letter
Number connection relation is：
1）The analog signal that the output of AC input undervoltage detection circuit is acquired by dsp chip ADC, to determine whether under-voltage or mistake
Pressure, dsp chip make protection according to result, voltage value are passed to by CAN bus on car running computer or automobile instrument screen；
2）The analog signal of detection of electrical leakage and loud shellfish alarm and power-off protecting circuit output is acquired by dsp chip ADC,
Judge whether charger leaks electricity, dsp chip makes corresponding processing according to result；And handling result and leakage current are passed through
CAN bus passes to car running computer or automobile instrument screen display；
3）The analog signal that battery voltage detection circuit output is acquired by dsp chip ADC, to judge whether battery is normal, DSP
Chip makes corresponding charging method and protection according to result, and handling result is passed to car running computer or automobile by CAN bus
Instrument screen display；
4）The two-way analog signal that charging voltage detection and fault tolerable circuit output are acquired by dsp chip ADC, accurately judges to fill
Piezoelectric voltage；
5）The two-way analog signal that charging current detection and fault tolerable circuit output are acquired by dsp chip ADC, accurately judges to fill
Electric current, dsp chip make corresponding charging method according to result, it is ensured that battery will not lead to cell damage because of overcurrent；
Dsp chip makes following charging method according to result：
（1）If battery virtual voltage is less than rated voltage 10%, charger is automatically into charge mode is repaired, for battery pack
Carry out reparation charging；
（2）The charging curve to be matched according to charging voltage collection value Automatic-searching and battery, when according to charging when charge in fact
Electric current and charging voltage ADC acquisitions value of feedback are subject to the judgement of DSP programmed logics, it is ensured that battery is not overcharged and charge less；
（3）Using accurate charging current value and charging voltage value, the when reality charging current and charging voltage ADC when according to charging
Acquisition value of feedback ensures battery and charger safety, ensures charger will not be caused to damage because of overcurrent under any circumstance
It is bad, it is ensured that charging current is the optimal charge electric current of battery, improves the charge efficiency of charger, and extends battery and charger
Service life；
（4）Combined charge electric current and charging time COMPREHENSIVE CALCULATING battery capacity simultaneously obtain charging instruction, and handling result is passed through CAN
Bus passes to car running computer or automobile instrument screen display；
6）The analog signal that the output of AC power supplies current detection circuit is acquired by dsp chip ADC, to judge input current whether just
Often, dsp chip makes corresponding output power or drop power output according to result, and handling result and charging current are passed through CAN
Bus passes to car running computer or automobile instrument screen display；
7）It is acquired by dsp chip ADC, charging system self-temperature detection circuit, the analog signal of output, to judge charger
Whether work at a normal temperature, dsp chip makes corresponding output power or drop power output according to result, and by handling result
Car running computer or automobile instrument screen display are passed to by CAN bus with charging temperature；
8）The analog signal that the output of output lead temperature sensing circuit is acquired by dsp chip ADC, to judge charger and battery
Whether connecting wire contacts well, and dsp chip makes corresponding output power or drop power output according to result, and by handling result
Car running computer or automobile instrument screen display are passed to by CAN bus with conductor temperature；
9）By dsp chip ADC acquisitions per the analog signal of batteries temperature collection circuit output, to judge battery when charging
Whether temperature is normal, and dsp chip makes corresponding output power or drop power output according to result, and by handling result and battery temperature
Degree passes to car running computer or automobile instrument screen display by CAN bus；
10）The analog signal that the output of battery flat temperature sensing circuit is acquired by dsp chip ADC, to judge battery ambient temperature,
Dsp chip makes corresponding charging curve and method according to result, and handling result and battery flat temperature are passed by CAN bus
To car running computer or automobile instrument screen display；
11）Detection of electrical leakage and loud shellfish alarm and the simulation letter of power-off protecting circuit output are acquired by dsp chip ADC
Number, to judge whether charger leaks electricity, dsp chip makes corresponding processing according to result, and by handling result and leakage current
Car running computer or automobile instrument screen display are passed to by CAN bus；
12）It is detected by dsp chip I/O port, parking detection circuit, the low level signal of output, judges whether that parking is charged, DSP
Chip makes corresponding processing according to result；And handling result is passed to by CAN bus on car running computer or automobile instrument screen
Display；
13）It is connected with vehicle CAN network by CAN communication circuit, mutually transmits and receive for data and give MCU offers fault-tolerant number
According to；
14）The information to charge every time is recycled display and self-test code by digital man-machine information exchange circuit by charactron
Alarm, convenient for debugging and electric fault diagnosis；
Charger coordinates the testing result of car body controller module by the above element circuit self-detection result, comprehensive to make safety soon
Fast charging voltage and electric current, and self-inspection data and execution data are uploaded into car running computer or automobile middle control instrument by CAN bus
Table screen display.
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| CN201510476568.5A CN105071513B (en) | 2015-08-06 | 2015-08-06 | A kind of vehicle-mounted formula charging system of electric vehicle |
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| CN201510476568.5A CN105071513B (en) | 2015-08-06 | 2015-08-06 | A kind of vehicle-mounted formula charging system of electric vehicle |
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| CN110518672A (en) * | 2019-09-18 | 2019-11-29 | 深圳市道通科技股份有限公司 | A kind of charging unit, charging method and electronic equipment |
| CN111422098A (en) * | 2020-03-10 | 2020-07-17 | 深圳市德塔防爆电动汽车有限公司 | Safety management method and system for explosion-proof automobile battery |
| CN111416418A (en) * | 2020-05-14 | 2020-07-14 | 深圳市和惠源电子科技有限公司 | Digital quick charging circuit |
| CN113131577A (en) * | 2021-04-19 | 2021-07-16 | 北京鼎汉技术集团股份有限公司 | Train charging control method and train charging control device |
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| CN104283238A (en) * | 2013-07-01 | 2015-01-14 | 比亚迪股份有限公司 | On-automobile wireless charging system for mobile terminal |
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| CN101795015A (en) * | 2010-04-06 | 2010-08-04 | 奇瑞汽车股份有限公司 | Intelligent charging system and charging method of power car lithium battery pack |
| CN203645381U (en) * | 2013-12-13 | 2014-06-11 | 深圳市航盛电子股份有限公司 | Vehicle charger system of electric vehicle |
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| CN102117943A (en) * | 2011-01-19 | 2011-07-06 | 启明信息技术股份有限公司 | Intelligent charging method and device for battery management system of electric vehicle |
| CN104283238A (en) * | 2013-07-01 | 2015-01-14 | 比亚迪股份有限公司 | On-automobile wireless charging system for mobile terminal |
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