CN114655050A - Safe charging method for charging new energy charging pile - Google Patents

Safe charging method for charging new energy charging pile Download PDF

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Publication number
CN114655050A
CN114655050A CN202210422568.7A CN202210422568A CN114655050A CN 114655050 A CN114655050 A CN 114655050A CN 202210422568 A CN202210422568 A CN 202210422568A CN 114655050 A CN114655050 A CN 114655050A
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Prior art keywords
charging
charging pile
safe
early warning
pile
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CN202210422568.7A
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Chinese (zh)
Inventor
焦晓林
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Shenzhen Zuncheng Technology Co ltd
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Shenzhen Zuncheng Technology Co ltd
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Priority to CN202210422568.7A priority Critical patent/CN114655050A/en
Publication of CN114655050A publication Critical patent/CN114655050A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30Constructional details of charging stations
    • B60L53/31Charging columns specially adapted for electric vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • B60L53/62Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/12Electric charging stations

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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)

Abstract

The invention provides a safe charging method for charging a new energy charging pile, which comprises the following specific charging steps: s1: the charging pile enters a working program and is linked with a charging equipment motor system, so that mutual compatibility of communication protocols is ensured; s2: starting a charging safety protection system arranged in the charging pile; s3: after charging is finished, the charging gun is drawn out of the charging equipment; the dynamic early warning unit is arranged for monitoring the temperature, the voltage and the current during charging, the overshoot protection unit is provided with a charging regulation and control module and an emergency communication module, the charging regulation and control module regulates and controls charging communication, the regulation and control fails, a communication channel can be reconstructed through the emergency communication module, the fault diagnosis unit is provided with a first fault diagnosis module and a second fault diagnosis module, the first fault type and the second fault type can be respectively diagnosed, and a user can be helped to quickly determine the fault reason.

Description

Safe charging method for charging new energy charging pile
Technical Field
The invention mainly relates to the technical field of electric automobiles, in particular to a safe charging method for charging a new energy charging pile.
Background
The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, forms an automobile with advanced technical principle, new technology and new structure, comprises four types of Hybrid Electric Vehicles (HEV), pure electric vehicles (BEV, including solar energy vehicles), Fuel Cell Electric Vehicles (FCEV), other new energy vehicles (such as efficient energy storage devices such as super capacitors and flywheels) and the like, the unconventional automobile fuel refers to fuel except gasoline and diesel oil, the rapid development and the use of the new energy vehicles become the future trend, and one important reason for obstructing the popularization and the application of the new energy vehicles at present is the construction of charging piles.
The charging pile has the function similar to an oiling machine in a gas station, can be fixed on the ground or on the wall, is installed in public buildings (public buildings, markets, public parking lots and the like) and residential district parking lots or charging stations, and can charge various types of electric vehicles according to different voltage grades. The input end of the charging pile is directly connected with an alternating current power grid, and the output end of the charging pile is provided with a charging plug for charging the electric automobile. Fill electric pile and generally provide two kinds of charging methods of conventional charging and quick charge, people can use specific charging card to swipe the card and use on the human-computer interaction operation interface that fills electric pile and provide, carry out operations such as corresponding charging method, charging time, expense data printing, fill electric pile display screen and can show data such as the charge volume, expense, charging time.
The charging pile of the electric automobile is used as an energy supply device of the electric automobile, the charging performance of the charging pile is related to the service life and the charging time of a battery pack, which is one of the most concerned aspects before a consumer buys the electric automobile, the realization of the quick, efficient, safe and reasonable electricity supply to a power battery is the basic principle of the design of the charger of the electric automobile, in addition, the applicability of the charger to various power batteries is also considered, the existing charging pile has the condition that the control contacts of a main circuit are sintered due to the fact that the output of a direct current charging pile is high-voltage and large current, the loss of devices for controlling the main circuit is very large, the condition that the main circuit is disconnected under emergency or after the charging is finished can damage the storage battery of the electric automobile and cause danger, the charging process needs to be dynamically monitored, and specific measures are set to prevent the condition that the main circuit is disconnected, meanwhile, after a charging fault occurs, a vehicle owner cannot find out a specific charging fault reason easily, much time of the vehicle owner is delayed, and traveling is affected.
Disclosure of Invention
The invention mainly provides a safe charging method for charging a new energy charging pile, which is used for solving the technical problems in the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a safe charging method for charging a new energy charging pile comprises the following specific charging steps:
s1: after identity recognition is carried out on the fingerprint recognizer, the charging pile enters a working procedure, the charging pile is linked with a charging equipment motor system, mutual compatibility of communication protocols is ensured, self-checking is carried out, a user is reminded of connecting a charging gun to the charging equipment, and the charging pile body can be continuously operated to charge the charging equipment;
s2: in the charging process, a charging safety protection system arranged in the charging pile is started to monitor the current, the voltage and the temperature of each part in the charging process in real time, and when the charging pile safety protection system gives an alarm, the fault is manually removed, so that the charging can be continued;
s3: after charging, the user pulls the handle after identifying the identity through the fingerprint recognizer, and the charging gun is pulled out from the charging equipment.
As a preferred technical solution of the present invention, in step S2, the charging safety protection system is composed of an overshoot protection unit, a fault diagnosis unit, and a dynamic warning unit.
As a preferred technical solution of the present invention, the overshoot protection unit is composed of a charging regulation and control module and an emergency communication module, and the overshoot protection unit has the following specific protection process:
in the charging process, the charging pile sends a signal to a battery management system arranged in the charging equipment every five seconds, and if no message of the other party or no correct message is received within 5s, the communication is judged to be overtime, an emergency communication module is started to communicate with the battery management system, and if the communication connection of the emergency communication module is still overtime, the charging safety protection system cuts off a charging power supply.
As a preferred technical solution of the present invention, the fault diagnosis unit includes a first fault diagnosis module and a second fault diagnosis module, the first fault diagnosis module diagnoses a first fault type, the first fault type is a condition that a charging pile power indicator is not on and charging is not possible, the second fault diagnosis module diagnoses a second fault type, and the second fault type is a condition that physical connection is completed, charging is started, but charging is not possible.
As a preferred technical scheme of the invention, the dynamic early warning unit consists of a temperature monitoring module and a grading early warning module, and is used for monitoring and early warning the temperature of the charging gun, the temperature of a power device, the temperature of a bus connecting wire and the temperature of a hand-contactable part in real time.
As a preferred technical solution of the present invention, the specific monitoring method of the dynamic early warning unit is as follows:
when the temperature monitoring module monitors that the charging process is carried out, when potential risks such as obvious charging gun temperature rise, power device temperature rise, bus connecting line temperature rise and hand contactable part temperature rise occur to the charging equipment, the grading early warning module carries out low-grade early warning and controls the charging pile to reduce the output power of the equipment, and after the equipment is in low-power continuous operation for a period of time, the early warning is eliminated if potential faults are eliminated.
As a preferred technical scheme, if potential faults such as temperature rise and the like are continuously increased, the dynamic early warning unit feeds back the potential faults to the charging safety protection system to control the charging pile to be stopped for maintenance, and the dynamic early warning unit can be used for retrieving data of historical operating states of the charging pile for comparison and analysis, so that more accurate early warning signals and control information can be provided.
As a preferred technical solution of the present invention, the dynamic early warning unit further includes a current monitoring module and a voltage monitoring module.
As a preferred technical solution of the present invention, the specific work flow of the current monitoring module is as follows:
the charging safety protection system sets a charging pile safety charging current threshold value, a charging pile safety charging current alarm threshold value, a charging pile safety charging voltage threshold value and a charging pile safety charging voltage alarm threshold value in a background server in advance through a controller, wherein the charging pile safety charging current alarm threshold value is smaller than the charging pile safety charging current threshold value, the charging pile safety charging voltage alarm threshold value is smaller than the charging pile safety charging voltage threshold value, when a current monitoring module monitors that real-time charging current is larger than the charging pile safety charging current alarm threshold value, early warning is carried out through a grading early warning module, and when the current monitoring module monitors that the real-time charging current is larger than the charging pile safety charging current threshold value, the charging safety protection system automatically cuts off a power supply of a charging port.
As a preferred technical solution of the present invention, the specific work flow of the voltage monitoring module is as follows:
when the voltage monitoring module monitors that the real-time charging voltage is larger than the charging pile safe charging voltage alarm threshold value, early warning is carried out through the grading early warning module, and when the voltage monitoring module monitors that the real-time charging voltage is larger than the charging pile safe charging voltage threshold value, the charging safety protection system automatically cuts off a power supply of the charging port.
Compared with the prior art, the invention has the beneficial effects that: the charging safety protection system dynamically monitors the whole charging in the charging process of the charging pile to ensure the safe charging, the charging safety protection system is provided with a dynamic early warning unit for monitoring the temperature, the voltage and the current during charging, the grading early warning is carried out through a grading early warning module, the overshoot protection unit is provided with a charging regulation and control module and an emergency communication module, the charging regulation and control module regulates and controls the charging communication, the regulation and control fails, a communication channel can be reconstructed through the emergency communication module, the fault diagnosis unit is provided with a first fault diagnosis module and a second fault diagnosis module, the first fault type and the second fault type can be respectively diagnosed, and a user is helped to quickly determine the fault reason.
Drawings
FIG. 1 is a schematic diagram of a charging process according to the present invention;
fig. 2 is a schematic structural diagram of the charging safety protection system according to the present invention.
Detailed Description
While the present invention will be described more fully hereinafter for purposes of facilitating an understanding thereof, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, but rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
A safe charging method for charging a new energy charging pile comprises the following specific charging steps:
s1: after identity recognition is carried out on the fingerprint recognizer, the charging pile enters a working procedure, the charging pile is linked with a charging equipment motor system, mutual compatibility of communication protocols is ensured, self-checking is carried out, a user is reminded of connecting a charging gun to the charging equipment, and the charging pile body can be continuously operated to charge the charging equipment;
s2: in the charging process, a charging safety protection system arranged in the charging pile is started to monitor the current, the voltage and the temperature of each part in the charging process in real time, and when the charging pile safety protection system gives an alarm, the fault is manually removed, so that the charging can be continued;
s3: after charging, the user pulls the handle after identifying the identity through the fingerprint recognizer, and the charging gun is pulled out from the charging equipment.
In step S2, the charging safety protection system is composed of an overshoot protection unit, a fault diagnosis unit, and a dynamic warning unit.
The overshoot protection unit consists of a charging regulation and control module and an emergency communication module, and the overshoot protection unit has the following specific protection process:
in the charging process, the charging pile sends a signal to a battery management system arranged in the charging equipment every five seconds, and if no message of the other party or no correct message is received within 5s, the communication is judged to be overtime, an emergency communication module is started to communicate with the battery management system, and if the communication connection of the emergency communication module is still overtime, the charging safety protection system cuts off a charging power supply.
The fault diagnosis unit comprises a first fault diagnosis module and a second fault diagnosis module, the first fault diagnosis module diagnoses a first fault type, the first fault type is the condition that a power supply indicator lamp of the charging pile is not on and charging cannot be carried out, the second fault diagnosis module diagnoses a second fault type, and the second fault type is the condition that physical connection is completed, charging is started but charging cannot be carried out.
Specifically, the reason why the first failure type occurs is as follows:
1. the charging power supply is not normally connected;
2. the ac charging connection device is not properly connected;
3. fill electric pile line fault.
The first fault diagnosis module diagnosis process comprises the following steps:
the first step is as follows: firstly, checking a main brake switch of the power distribution cabinet according to a fault phenomenon, closing the main brake switch during normal work, and closing the main brake switch if the main brake switch is disconnected;
the second step is as follows: detecting whether the output voltage of a main brake switch, the voltage of a live wire (L wire) and a zero wire (N wire), and the voltage of the live wire (L wire) and a ground wire (PE wire) are 220V or not, if not, indicating that the circuit is disconnected, virtual connection or damaged, and needing to be checked and connected again or a switch needs to be replaced;
the third step: the detection fills electric pile input voltage, live wire (L line) and zero line (N line) voltage, live wire (L line) and ground wire (PE line) voltage and whether be 220V, if unusual, explains the circuit disconnection or damages, need interconnecting link again or change switch.
The second type of fault is a fault which occurs when the power supply is normal, before charging, the charging plug is correctly connected with the vehicle battery interface and the equipment is in a shutdown state, and the second fault diagnosis module is provided with a second fault type collection library and a second fault type processing library, wherein the second fault type collection library mainly comprises the following types:
firstly, in a normal charging state, the monitoring system displays data as 0;
secondly, in a normal charging state, the charging current is less than 20A;
thirdly, the normal charging or the charging operation interface can not be entered;
fourthly, the BMS does not communicate after the charging program of the charging pile display screen is restarted;
fifthly, the BMS state is normal, the charging voltage is normal, and the charging current is 0;
sixthly, the BMS is in a normal state and has no charging voltage;
seventh, the BMS status is normal, the charging voltage is changed, and the charging current is 0.
The following processing suggestions are preset in the second fault type processing library: a fault occurs in data communication between the charging pile and the monitoring system; the charging pile, the display screen and the charging program have faults; data communication between the charging pile and the monitoring system may be in failure; the charging emergency stop button is pressed by mistake; and the charging module fails, and the data in the second failure type processing library and the data in the second failure type collecting library are mapped with each other.
The dynamic early warning unit consists of a temperature monitoring module and a grading early warning module, and is used for monitoring and early warning the temperature of the charging gun, the temperature of a power device, the temperature of a bus connecting wire and the temperature of a hand-contactable part in real time.
The specific monitoring method of the dynamic early warning unit is as follows:
when the temperature monitoring module monitors that the charging process is carried out, when potential risks such as obvious charging gun temperature rise, power device temperature rise, bus connecting line temperature rise and hand contactable part temperature rise occur to the charging equipment, the grading early warning module carries out low-grade early warning and controls the charging pile to reduce the output power of the equipment, and after the equipment is in low-power continuous operation for a period of time, the early warning is eliminated if potential faults are eliminated.
If potential faults such as temperature rise and the like are continuously increased, the dynamic early warning unit feeds back the potential faults to the charging safety protection system to control the charging pile to be stopped and maintained, and the dynamic early warning unit can be used for retrieving data of the historical running state of the charging pile and comparing and analyzing the data, so that more accurate early warning signals and control information can be provided.
The dynamic early warning unit also comprises a current monitoring module and a voltage monitoring module.
The specific working process of the current monitoring module is as follows:
the charging safety protection system sets a charging pile safety charging current threshold value, a charging pile safety charging current alarm threshold value, a charging pile safety charging voltage threshold value and a charging pile safety charging voltage alarm threshold value in a background server in advance through a controller, wherein the charging pile safety charging current alarm threshold value is smaller than the charging pile safety charging current threshold value, the charging pile safety charging voltage alarm threshold value is smaller than the charging pile safety charging voltage threshold value, when a current monitoring module monitors that real-time charging current is larger than the charging pile safety charging current alarm threshold value, early warning is carried out through a grading early warning module, and when the current monitoring module monitors that the real-time charging current is larger than the charging pile safety charging current threshold value, the charging safety protection system automatically cuts off a power supply of a charging port.
The specific working flow of the voltage monitoring module is as follows:
when the voltage monitoring module monitors that the real-time charging voltage is larger than the charging pile safe charging voltage alarm threshold value, early warning is carried out through the grading early warning module, and when the voltage monitoring module monitors that the real-time charging voltage is larger than the charging pile safe charging voltage threshold value, the charging safety protection system automatically cuts off a power supply of the charging port.
The invention has been described in an illustrative manner, and it is to be understood that the invention is not limited in its application to the details of construction and to the arrangements of the components set forth in the following description, since such modifications are intended to be included within the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. A safe charging method for charging a new energy charging pile is characterized by comprising the following specific charging steps:
s1: after identity recognition is carried out on the fingerprint recognizer, the charging pile enters a working procedure, the charging pile is linked with a charging equipment motor system, mutual compatibility of communication protocols is ensured, self-checking is carried out, a user is reminded of connecting a charging gun to the charging equipment, and the charging pile body can be continuously operated to charge the charging equipment;
s2: in the charging process, a charging safety protection system arranged in the charging pile is started to monitor the current, the voltage and the temperature of each part in the charging process in real time, and when the charging pile safety protection system gives an alarm, the fault is manually removed, so that the charging can be continued;
s3: after charging, the user pulls the handle after recognizing the identity through the fingerprint recognizer, and the charging gun is pulled out from the charging equipment.
2. The safe charging method for charging the new energy charging pile according to claim 1, wherein in step S2, the charging safety protection system comprises an overshoot protection unit, a fault diagnosis unit and a dynamic warning unit.
3. The safe charging method for charging of the new energy charging pile according to claim 2, wherein the overshoot protection unit is composed of a charging regulation and control module and an emergency communication module, and the specific protection process of the overshoot protection unit is as follows:
in the charging process, the charging pile sends a signal to a battery management system arranged in the charging equipment every five seconds, and if no message of the other party or no correct message is received within 5s, the communication is judged to be overtime, an emergency communication module is started to communicate with the battery management system, and if the communication connection of the emergency communication module is still overtime, the charging safety protection system cuts off a charging power supply.
4. The safe charging method for charging the new energy charging pile according to claim 2, wherein the fault diagnosis unit comprises a first fault diagnosis module and a second fault diagnosis module, the first fault diagnosis module diagnoses a first fault type, the first fault type is a condition that a power indicator lamp of the charging pile is not on and charging is not possible, the second fault diagnosis module diagnoses a second fault type, and the second fault type is a condition that physical connection is completed, charging is started, and charging is not possible.
5. The safe charging method for charging of the new energy charging pile according to claim 2, wherein the dynamic early warning unit is composed of a temperature monitoring module and a grading early warning module, and is used for monitoring and early warning the temperature of a charging gun, the temperature of a power device, the temperature of a bus connecting line and the temperature of a hand-contactable part in real time.
6. The safe charging method for charging of the new energy charging pile according to claim 5, wherein the specific monitoring method of the dynamic early warning unit is as follows:
when the temperature monitoring module monitors that the charging process is carried out, when potential risks such as obvious charging gun temperature rise, power device temperature rise, bus connecting line temperature rise and hand contactable part temperature rise occur to the charging equipment, the grading early warning module carries out low-grade early warning and controls the charging pile to reduce the output power of the equipment, and after the equipment is in low-power continuous operation for a period of time, the early warning is eliminated if potential faults are eliminated.
7. The safe charging method for charging of the new energy charging pile according to claim 5, characterized in that if potential faults such as temperature rise and the like are continuously increased, the dynamic early warning unit feeds back the potential faults to the charging safety protection system to control the charging pile to be stopped for maintenance, and the dynamic early warning unit can obtain data of historical operating states of the charging pile for comparative analysis, so that more accurate early warning signals and control information can be provided.
8. The safe charging method for charging of the new energy charging pile according to claim 6, wherein the dynamic early warning unit further comprises a current monitoring module and a voltage monitoring module.
9. The safe charging method for charging of the new energy charging pile according to claim 8, wherein the specific working process of the current monitoring module is as follows:
the charging safety protection system sets a charging pile safe charging current threshold value, a charging pile safe charging current alarm threshold value, a charging pile safe charging voltage threshold value and a charging pile safe charging voltage alarm threshold value in a background server in advance through a controller, wherein the charging pile safe charging current alarm threshold value is smaller than the charging pile safe charging current threshold value, the charging pile safe charging voltage alarm threshold value is smaller than the charging pile safe charging voltage threshold value, when a current monitoring module monitors that a real-time charging current is larger than the charging pile safe charging current alarm threshold value, early warning is carried out through a grading early warning module, and when the current monitoring module monitors that the real-time charging current is larger than the charging pile safe charging current threshold value, the charging safety protection system automatically cuts off a power supply of a charging port.
10. The safe charging method for charging of the new energy charging pile according to claim 9, wherein the specific working process of the voltage monitoring module is as follows:
when the voltage monitoring module monitors that the real-time charging voltage is larger than the charging pile safe charging voltage alarm threshold value, early warning is carried out through the grading early warning module, and when the voltage monitoring module monitors that the real-time charging voltage is larger than the charging pile safe charging voltage threshold value, the charging safety protection system automatically cuts off a power supply of the charging port.
CN202210422568.7A 2022-04-21 2022-04-21 Safe charging method for charging new energy charging pile Withdrawn CN114655050A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115719543A (en) * 2022-11-09 2023-02-28 国网上海市电力公司 Electric automobile fills electric pile fault diagnosis alarm device
CN116278902A (en) * 2023-05-22 2023-06-23 北京金冠智能电气科技有限公司 Charging state monitoring system of charging pile cluster
CN117002309A (en) * 2023-10-07 2023-11-07 南通国轩新能源科技有限公司 Intelligent fault early warning method and system for charging pile
CN117252419A (en) * 2023-09-27 2023-12-19 珠海康晋电气股份有限公司 New energy charging pile charging process early warning system based on artificial intelligence
CN117382468A (en) * 2023-10-31 2024-01-12 珠海康晋电气股份有限公司 Charging pile operation control system based on edge calculation

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115719543A (en) * 2022-11-09 2023-02-28 国网上海市电力公司 Electric automobile fills electric pile fault diagnosis alarm device
CN115719543B (en) * 2022-11-09 2024-05-24 国网上海市电力公司 Electric automobile fills electric pile fault diagnosis alarm device
CN116278902A (en) * 2023-05-22 2023-06-23 北京金冠智能电气科技有限公司 Charging state monitoring system of charging pile cluster
CN117252419A (en) * 2023-09-27 2023-12-19 珠海康晋电气股份有限公司 New energy charging pile charging process early warning system based on artificial intelligence
CN117252419B (en) * 2023-09-27 2024-04-19 珠海康晋电气股份有限公司 New energy charging pile charging process early warning system based on artificial intelligence
CN117002309A (en) * 2023-10-07 2023-11-07 南通国轩新能源科技有限公司 Intelligent fault early warning method and system for charging pile
CN117002309B (en) * 2023-10-07 2023-11-28 南通国轩新能源科技有限公司 Intelligent fault early warning method and system for charging pile
CN117382468A (en) * 2023-10-31 2024-01-12 珠海康晋电气股份有限公司 Charging pile operation control system based on edge calculation
CN117382468B (en) * 2023-10-31 2024-05-14 珠海康晋电气股份有限公司 Charging pile operation control system based on edge calculation

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