CN105922879A - Charging guide device and method for alternating current charging pile - Google Patents
Charging guide device and method for alternating current charging pile Download PDFInfo
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- CN105922879A CN105922879A CN201610272091.3A CN201610272091A CN105922879A CN 105922879 A CN105922879 A CN 105922879A CN 201610272091 A CN201610272091 A CN 201610272091A CN 105922879 A CN105922879 A CN 105922879A
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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
- 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
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
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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
- 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
- B60L53/14—Conductive energy transfer
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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
- 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
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
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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
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- 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
- Y02T90/12—Electric charging stations
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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
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a charging guide device for an alternating current charging pile. The charging guide device is installed between a charging pile controller and a charging gun and comprises a PWM level switching module, a CC signal processing module, a voltage following module, a vehicle interface module and a signal detection module, wherein the CC signal processing module detects the connection state of the charging gun and an automobile charging end through the conducting state of a low-speed optical coupler; and the voltage following module divides the voltage of a CP signal through two resistors and restrains the voltage between 0-3.3 V through two diodes, and meanwhile an isolation effect is further achieved to prevent a charging pile CPU from being damaged by the change of the CP signal. By the adoption of the charging guide device for the alternating current charging pile, the high-speed high-voltage-resistant optical coupler is used as a core of the PWM level switching module, the integrity and reliability of a PWM signal output by the PWM level switching module are guaranteed, and in addition, a single-way low-voltage rail-to-rail operational amplifier is used as a voltage follower, so that the measurement accuracy and safety are guaranteed.
Description
Technical field
The present invention relates to electric automobile discharge and recharge technology, particularly relate to a kind of alternating-current charging pile charging guiding device and guidance method.
Background technology
Along with day by day popularizing of electric automobile, charging system for electric automobile is the most gradually paid close attention to by more people, need consideration is that when automobile carries out conduction-type charging: before using charging inlet to be charged, need first to confirm and detect charging inlet to be the most reliably connected, be charged easily causing personnel's Danger Electric shock risk under not being fully connected；In charging process, need the PwM guiding ripple being exported certain dutycycle by charging inlet that Vehicular charger is controlled at power supply, waveform duty cycle can be adjusted in real time to regulate charging current according to network load, monitoring output waveform and the connection status of charging inlet the most in real time, once occurs abnormal conditions should cut off power supply immediately.
China has been proposed the national standard of electric car conduction formula charging connecting device alternating-current charging interface, wherein charging is controlled leader and is distinctly claimed.
Charge the recommended parameter guided as shown in Table:
| Parameter | Nominal value | Maximum | Minima |
| Output HIGH voltage+VCC | 12.00V | 12.60V | 11.40V |
| Output low-voltage-VCC | -12.00V | -12.60V | -11.40V |
| Output frequency f | 1000.00Hz | 1030.00Hz | 970.00Hz |
| Output duty cycle Dc ° | -- | + 1% | -1% |
| Signal arranges time Ts | n.a | 3us | n.a |
| Signal elevating time (10%～90%) Tr | n.a | 2us | n.a |
| Signal fall time (90%～10%) Tf | n.a | 2us | n.a |
Summary of the invention
It is an object of the invention to overcome the defect of prior art, there is provided a kind of and at least conform to national standard design requirement, simple and practical control guiding module scheme, this programme utilize the highest pressure photo-coupler as the core of PWM level switch module, ensure that integrity and the reliability of its pwm signal exported, application single channel lower voltage rail tracking operational amplifier ensure that accuracy and the safety of measurement as voltage follower in addition.
For achieving the above object, the present invention proposes following technical scheme: a kind of alternating-current charging pile charging guiding device, is arranged between charging pile controller and charging gun, including PWM level switch module, CC signal processing module, voltage follow module, vehicle interface module, signal detection module, wherein:
Described PWM level switch module one end connects the PWM generation module within charging pile, the other end connects voltage follow module and vehicle interface module, for by the amplitude that PWM generation module produces be 3.3V frequency be 1KHZ pwm signal through High-Speed Coupled Device process after forming frequency be 1KHZ, high level is+12V, low level is-12V, rise and fall time is the CP signal of nanosecond, and is input to the CP end of voltage follow module and vehicle interface module；
Described CC signal processing module, connects the CC end of vehicle interface module, is detected the connection status of charging gun and vehicle charging end by the conducting state of low speed photo-coupler；
Described voltage follow module connects PWM level switch module and signal detection module, by CP signal by two electric resistance partial pressures and by two diodes by voltage clamp between 0 ~ 3.3V, also act as buffer action simultaneously and prevent CP signal intensity from charging pile CPU being produced and damages；
Described vehicle interface module is connected to charging gun, including CP end, CC end and earth terminal, wherein CP end is directly connected to PWM level switch module outfan, the CP signal of generation is transported to vehicle charging mouth by charging gun, whether described CC end connects the input of CC signal processing module, be used for detecting between vehicle charging mouth and charging pile and be connected；
Described signal detection module is connected to the CPU within charging pile, and the charged state of monitoring charging pile, port includes CP-ADC and CC-check, and wherein CP-ADC is connected to the outfan of voltage follow module, and CC-check is connected to the outfan of CC signal processing module.
Described PWM level switch module includes High-Speed Coupled Device TLP109, NPN audion VT1, PNP triode VT2, wherein 3 feet of High-Speed Coupled Device TLP109 connect PWM generation module, 1 foot connects resistance R3 and is followed by 3.3V level, 4 feet connect-12V low level, 5 feet connect resistance R2 and are followed by the base stage of audion VT1 and VT2, the colelctor electrode of audion VT1 connects+12V high level, the colelctor electrode of audion VT2 connects-12V low level, as the output of PWM level switch module after the emitter stage point of intersection connection resistance R4 of described audion VT1 and audion VT2.
Described CC signal processing module includes low speed photo-coupler TLP281, and wherein 1 foot connecting resistance R8 is followed by 3.3V level, and 2 feet pick up the CC end of an interface module, 3 foot ground connection, and 4 feet connect the CC-check end of signal detection module.
Described voltage follow module includes operational amplifier LMV321, diode D1, D2, resistance R5, R7,1 foot of operational amplifier LMV321 connects diode D1 respectively and is followed by 3.3V level, even ground connection after diode D2, even resistance R5 is followed by described PWM level switch module outfan, ground connection after connecting resistance R7, and 4 foot connecting resistance R6 are followed by the CP-ADC end of signal detection module.
A kind of alternating-current charging pile charging guidance method, it is characterised in that: specifically include following steps:
A, charging gun is inserted vehicle charging interface, whether the CC end detection charging gun of vehicle interface module is effectively to be connected with vehicle charging interface, photo-coupler TLP281 is not turned on if not, CC-check is high level, do not start charging, if then photo-coupler TLP281 conducting, CC-check output low level, start charging and enter next step；
It is the pwm signal of 1KHZ that b, PWM module produce an amplitude 3.3V frequency, after PWM level switch module processes, forming frequency is 1KHZ, and high level is+12V, and low level is-12V, rise and fall time is the CP signal of nanosecond, and the CP end being input to vehicle interface module is charged；
The CP signal of-12V ~+12V produced in c, step b is clamped down on the voltage of formation 0 ~ 3.3V through voltage follow module and is input to the CP-ADC end of signal detection module.
Compared with prior art, disclosed a kind of alternating-current charging pile charging guiding device, can export stable under the working environment of technical grade, reliable and precision and waveform preferably ± PWM waveform of 12V, and be easy to AD detection module in charging pile controller and accurately output waveform detected, utilize the highest pressure photo-coupler as the core of PWM level switch module, isolate the impact of external interference signals, ensure that integrity and the reliability of its pwm signal exported, it is also prevented from the charging inlet destruction to charging pile, in addition application single channel lower voltage rail tracking operational amplifier ensure that accuracy and the safety of measurement as voltage follower.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the present invention.
Detailed description of the invention
Below in conjunction with the particular content of the present invention, the technical scheme of the embodiment of the present invention is carried out clear, complete description.
Disclosed a kind of alternating-current charging pile charging guiding device, is arranged between charging pile controller and charging gun, including PWM level switch module, and CC signal processing module, voltage follow module, vehicle interface module, signal detection module, wherein:
nullDescribed PWM level switch module one end connects the PWM generation module within charging pile，The other end connects voltage follow module and vehicle interface module，Its structure includes High-Speed Coupled Device TLP109，NPN audion VT1，PNP triode VT2，Wherein 3 feet of High-Speed Coupled Device TLP109 connect PWM generation module，1 foot connects resistance R3 and is followed by 3.3V level，4 feet connect-12V low level，5 feet connect resistance R2 and are followed by the base stage of audion VT1 and VT2，The colelctor electrode of audion VT1 connects+12V high level，The colelctor electrode of audion VT2 connects-12V low level，As the output of PWM level switch module after the emitter stage point of intersection connection resistance R4 of described audion VT1 and audion VT2，Concrete principle is: the amplitude that PWM generation module produces be 3.3V frequency be that the pwm signal of 1KHZ is when the 3 foot voltages of photo-coupler TLP109 are 0，Photo-coupler turns on，5 foot output-12V voltages，When 3 foot voltages are 3.3V，Photo-coupler is not turned on，5 feet keep 0V，Therefore pwm signal forming frequency after photo-coupler is 1KHZ，High level is 0V，Low level is-12V，Rising and falling time is nano level pwm signal，And this signal after audion VT1 and VT2 processes, to become frequency at the resistance R4 other end be 1KHZ，High level is+12V，Low level is-12V，Rising and falling time is nano level CP signal and directly inputs the CP end of vehicle interface module.
Described CC signal processing module, connect the CC end of vehicle interface module, the connection status of charging gun and vehicle charging end is detected by the conducting state of low speed photo-coupler, concrete structure is low speed photo-coupler TLP281, its 1 foot connecting resistance R8 is followed by 3.3V level, 2 feet pick up the CC end of an interface module, 3 foot ground connection, 4 feet connect the CC-check end of signal detection module, when charging gun is not inserted into Vehicular charging end or does not inserts firmly, CC end is high level, photo-coupler TLP281 is not turned on, CC-check is high level, after charging gun and Vehicular charging end are fully connected, CC end is low level, photo-coupler turns on, CC-check is low level, start charging.
Described vehicle interface module is connected to charging gun, including CP end, CC end and earth terminal, wherein CP end is directly connected to PWM level switch module outfan, the CP signal of generation is transported to vehicle charging mouth by charging gun, whether described CC end connects the input of CC signal processing module, be used for detecting between vehicle charging mouth and charging pile and be connected.
Described signal detection module is connected to the CPU within charging pile, and the charged state of monitoring charging pile, port includes CP-ADC and CC-check, and wherein CP-ADC is connected to the outfan of voltage follow module, and CC-check is connected to the outfan of CC signal processing module.
nullDescribed voltage follow module connects PWM level switch module and signal detection module，(its Main Function is to increase input impedance，Guarantee R5 simultaneously、Voltage signal at the voltage signal of R7 point of intersection and CP_ADC is completely the same，By CP signal by two electric resistance partial pressures and by two diodes by voltage clamp between 0 ~ 3.3V，Also act as buffer action prevents CP signal intensity from producing charging pile CPU and damaging simultaneously，Structure includes operational amplifier LMV321，Diode D1、D2，Resistance R5、R7，1 foot of operational amplifier LMV321 connects diode D1 respectively and is followed by 3.3V level，Even ground connection after diode D2，Even resistance R5 is followed by described PWM level switch module outfan，Ground connection after connecting resistance R7，4 foot connecting resistance R6 are followed by the CP-ADC end of signal detection module，Principle is that CP signal is carried out voltage division processing by resistance R5 and R7，Guarantee that signal frequency and the phase place of resistance R5 and R7 point of intersection are identical with CP signal，But amplitude is only the 1/4 of former CP signal，The setting of diode D1 and D2 makes output voltage be clamped between 0 ~ 3.3V，Due to stronger electromagnetism and Conduction Interference present in charging pile working environment，In any case the setting of voltage follow module makes CP signal input range change，Exporting change is all controlled in little scope，Do not result in the damage to charging pile internal controller，Ensure that accuracy and the safety of measurement.
Disclosed a kind of alternating-current charging pile charging guidance method, it is characterised in that: specifically include following steps:
A, charging gun is inserted vehicle charging interface, whether the CC end detection charging gun of vehicle interface module is effectively to be connected with vehicle charging interface, photo-coupler TLP281 is not turned on if not, CC-check is high level, do not start charging, if then photo-coupler TLP281 conducting, CC-check output low level, start charging and enter next step；
It is the pwm signal of 1KHZ that b, PWM module produce an amplitude 3.3V frequency, after PWM level switch module processes, forming frequency is 1KHZ, and high level is+12V, and low level is-12V, rise and fall time is the CP signal of nanosecond, and the CP end being input to vehicle interface module is charged；
The CP signal of-12V ~+12V produced in c, step b is clamped down on the voltage of formation 0 ~ 3.3V through voltage follow module and is input to the CP-ADC end of signal detection module.
It is 1KHZ that pwm signal described in described step b first pass through the process of High-Speed Coupled Device to become frequency, high level is 0V, low level is-12V, rise and fall time is the pwm signal of nanosecond, after processing through two audions, forming frequency is 1KHZ, high level is+12V, and low level is-12V, and rise and fall time is the CP signal of nanosecond.
The technology contents of the present invention and technical characteristic have revealed that as above; but those of ordinary skill in the art are still potentially based on teachings of the present invention and announcement and make all replacements without departing substantially from spirit of the present invention and modification; therefore; scope should be not limited to the content disclosed in embodiment; and the various replacement without departing substantially from the present invention and modification should be included, and contained by present patent application claim.
Claims (5)
1. an alternating-current charging pile charging guiding device, is arranged between charging pile controller and charging gun, it is characterised in that: include PWM level switch module, CC signal processing module, voltage follow module, vehicle interface module, signal detection module, wherein:
Described PWM level switch module one end connects the PWM generation module within charging pile, the other end connects voltage follow module and vehicle interface module, for by the amplitude that PWM generation module produces be 3.3V frequency be 1KHZ pwm signal through High-Speed Coupled Device process after forming frequency be 1KHZ, high level is+12V, low level is-12V, rise and fall time is the CP signal of nanosecond, and is input to the CP end of voltage follow module and vehicle interface module；
Described CC signal processing module, connects the CC end of vehicle interface module, is detected the connection status of charging gun and vehicle charging end by the conducting state of low speed photo-coupler；
Described voltage follow module connects PWM level switch module and signal detection module, by CP signal by two electric resistance partial pressures and by two diodes by voltage clamp between 0 ~ 3.3V, also act as buffer action simultaneously and prevent CP signal intensity from charging pile CPU being produced and damages；
Described vehicle interface module is connected to charging gun, including CP end, CC end and earth terminal, wherein CP end is directly connected to PWM level switch module outfan, the CP signal of generation is transported to vehicle charging mouth by charging gun, whether described CC end connects the input of CC signal processing module, be used for detecting between vehicle charging mouth and charging pile and be connected；
Described signal detection module is connected to the CPU within charging pile, and the charged state of monitoring charging pile, port includes CP-ADC and CC-check, and wherein CP-ADC is connected to the outfan of voltage follow module, and CC-check is connected to the outfan of CC signal processing module.
Alternating-current charging pile the most according to claim 1 charging guiding device, it is characterized in that: described PWM level switch module includes High-Speed Coupled Device TLP109, NPN audion VT1, PNP triode VT2, wherein 3 feet of High-Speed Coupled Device TLP109 connect PWM generation module, 1 foot connects resistance R3 and is followed by 3.3V level, 4 feet connect-12V low level, 5 feet connect resistance R2 and are followed by the base stage of audion VT1 and VT2, the colelctor electrode of audion VT1 connects+12V high level, the colelctor electrode of audion VT2 connects-12V low level, as the output of PWM level switch module after the emitter stage point of intersection connection resistance R4 of described audion VT1 and audion VT2.
Alternating-current charging pile the most according to claim 1 charging guiding device, it is characterized in that: described CC signal processing module includes low speed photo-coupler TLP281, wherein 1 foot connecting resistance R8 is followed by 3.3V level, 2 feet pick up the CC end of an interface module, 3 foot ground connection, 4 feet connect the CC-check end of signal detection module.
Alternating-current charging pile the most according to claim 1 charging guiding device, it is characterized in that: described voltage follow module includes operational amplifier LMV321, diode D1, D2, resistance R5, R7,1 foot of operational amplifier LMV321 connects diode D1 respectively and is followed by 3.3V level, even ground connection after diode D2, and even resistance R5 is followed by described PWM level switch module outfan, ground connection after connecting resistance R7,4 foot connecting resistance R6 are followed by the CP-ADC end of signal detection module.
5. the guidance method that one kind utilizes described in claim 1 ~ 4 alternating-current charging pile charging guiding device is realized, it is characterised in that: specifically include following steps:
A, charging gun is inserted vehicle charging interface, whether the CC end detection charging gun of vehicle interface module is effectively to be connected with vehicle charging interface, if otherwise photo-coupler TLP281 is not turned on, CC-check is high level, do not start charging, if then photo-coupler TLP281 conducting, CC-check output low level, start charging and enter next step；
It is the pwm signal of 1KHZ that b, PWM module produce an amplitude 3.3V frequency, after PWM level switch module processes, forming frequency is 1KHZ, and high level is+12V, and low level is-12V, rise and fall time is the CP signal of nanosecond, and the CP end being input to vehicle interface module is charged；
The CP signal of-12V ~+12V produced in c, step b is clamped down on the voltage of formation 0 ~ 3.3V through voltage follow module and is input to the CP-ADC end of signal detection module.
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| CN107244252A (en) * | 2017-06-23 | 2017-10-13 | 青岛特来电新能源有限公司 | A kind of circuit for being used to indicate alternating current-direct current charging gun state |
| CN107315122A (en) * | 2017-08-16 | 2017-11-03 | 上海钛昕电气科技有限公司 | A kind of charging pile test device |
| CN108058603A (en) * | 2016-11-07 | 2018-05-22 | 先控捷联电气股份有限公司 | Charging equipment of electric automobile |
| CN108177553A (en) * | 2018-02-28 | 2018-06-19 | 柳州铁道职业技术学院 | A kind of new-energy automobile charge and discharge device |
| WO2019104706A1 (en) * | 2017-11-30 | 2019-06-06 | 浙江威利坚新能源科技有限公司 | Charging pile control module |
| CN110286259A (en) * | 2019-07-12 | 2019-09-27 | 浙江匠联科技有限公司 | A kind of current peak detection circuit |
| CN110539660A (en) * | 2019-08-23 | 2019-12-06 | 恒大智慧充电科技有限公司 | charging device |
| CN110549879A (en) * | 2019-09-10 | 2019-12-10 | 山东浪潮人工智能研究院有限公司 | CP signal voltage detection method and device of electric vehicle alternating current charging system |
| CN110843592A (en) * | 2019-11-30 | 2020-02-28 | 湖南海博瑞德电智控制技术有限公司 | Alternating current charging signal control guiding device for electric automobile |
| CN113119733A (en) * | 2019-12-26 | 2021-07-16 | 北汽福田汽车股份有限公司 | Control method and device of vehicle-mounted charger, medium, vehicle-mounted charger and vehicle |
| CN115378077A (en) * | 2022-08-23 | 2022-11-22 | 重庆长安汽车股份有限公司 | On-vehicle machine contravariant of charging CP signal production circuit that discharges |
| CN116749815A (en) * | 2023-08-08 | 2023-09-15 | 石家庄科林电气股份有限公司 | Charging pile control pilot signal generation and detection circuit and data processing method |
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| WO2019104706A1 (en) * | 2017-11-30 | 2019-06-06 | 浙江威利坚新能源科技有限公司 | Charging pile control module |
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| CN110843592A (en) * | 2019-11-30 | 2020-02-28 | 湖南海博瑞德电智控制技术有限公司 | Alternating current charging signal control guiding device for electric automobile |
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| CN113119733B (en) * | 2019-12-26 | 2022-11-25 | 北汽福田汽车股份有限公司 | Control method and device of vehicle-mounted charger, medium, vehicle-mounted charger and vehicle |
| CN115378077A (en) * | 2022-08-23 | 2022-11-22 | 重庆长安汽车股份有限公司 | On-vehicle machine contravariant of charging CP signal production circuit that discharges |
| CN115378077B (en) * | 2022-08-23 | 2024-06-04 | 重庆长安汽车股份有限公司 | Vehicle-mounted charger inversion discharging CP signal generating circuit |
| CN116749815A (en) * | 2023-08-08 | 2023-09-15 | 石家庄科林电气股份有限公司 | Charging pile control pilot signal generation and detection circuit and data processing method |
| CN116749815B (en) * | 2023-08-08 | 2023-10-20 | 石家庄科林电气股份有限公司 | Charging pile control pilot signal generation and detection circuit and data processing method |
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