CN114987268A - Electric bicycle charging method based on power line carrier communication - Google Patents
Electric bicycle charging method based on power line carrier communication Download PDFInfo
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- CN114987268A CN114987268A CN202210838600.XA CN202210838600A CN114987268A CN 114987268 A CN114987268 A CN 114987268A CN 202210838600 A CN202210838600 A CN 202210838600A CN 114987268 A CN114987268 A CN 114987268A
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- electric bicycle
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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
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
- B60L53/665—Methods related to measuring, billing or payment
-
- 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
- B60L53/60—Monitoring or controlling charging stations
- B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
-
- 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
- B60L53/60—Monitoring or controlling charging stations
- B60L53/67—Controlling two or more charging stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
-
- 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
- B60L2200/00—Type of vehicles
- B60L2200/12—Bikes
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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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
The utility model provides an electric bicycle charging method based on power line carrier communication, belongs to electric vehicle power device technical field, realizes based on electric pile and charging platform, and electric pile and charger set up power line carrier communication module, the charging method includes: establishing a charging account, detecting the insertion of a charger, starting communication and authentication, and starting charging. According to the invention, the power carrier communication modules are arranged on the charging pile and the electric bicycle, so that the function of communication between the charging pile and the electric bicycle is realized; the method comprises the steps that a binding account of the electric bicycle is established on a charging platform, and a payment mode is set, so that a charging mode of plug-and-play charging is realized on the basis, and a traditional charging mode of code scanning charging is not rejected; after the charging pile is powered off and then the call is made, the charging pile automatically continues to be charged without manual participation; the further technical scheme can also realize the monitoring of the battery state and the reporting of the battery state, thereby greatly improving the charging safety of the electric bicycle.
Description
Technical Field
The invention belongs to the technical field of electric vehicle power devices, in particular relates to a method for realizing intelligent charging based on communication between a charging pile and a battery, and particularly relates to an electric bicycle.
Background
The electric bicycle is popular with the public due to the characteristics of convenient and quick use, low price, environmental protection and the like, and becomes a main vehicle for the travel of the majority of citizens. The country encourages low-carbon travel, and electric bicycles are the main option for achieving the goal of 'double carbon'. However, the irregular electric bicycle is charged, so that great potential safety hazards can be generated, fire disasters can be caused easily, and personal and property losses are caused. Therefore, it is imperative to deploy and install professional and safe electric vehicle charging facilities in residential areas or public places.
At present, the centralized electric bicycle charging technology is in a relatively mature technical level, and a considerable number of places are provided with centralized and standard charging facilities to realize charging after scanning a two-dimensional code, for example, the technical scheme disclosed in chinese patent application CN 109435755A.
The prior art has some problems, including that the charging is easily stolen by others, the charging can not be continued after power is cut off and then is electrified, and the like.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art.
The technical means adopted by the invention are as follows: a charging method of an electric bicycle based on power line carrier communication is achieved based on a charging pile and a charging platform which is in communication connection with the charging pile, the charging pile is connected with and manages a plurality of charging sockets, and a charger of the electric bicycle is inserted into the charging sockets to be charged.
The key point is that a power carrier communication module is arranged in the charging pile, a communication control module is arranged in the charger, a power carrier communication module is arranged in the communication control module, the power carrier communication module in the charging pile and the power carrier communication module in the communication control module are connected through a charging socket through a power line, and the communication control module is configured with a global unique ID;
the charging method comprises the following steps:
the method comprises the following steps that 1, a binding account is set for an ID of each communication control module on a charging platform;
preparing step 2, recharging or associating a payment mode for the bound account of the ID of the communication control module on the charging platform;
step A, connecting a charger of the electric bicycle to an idle charging socket;
b, after detecting that the charging socket is connected with the charger, starting power supply of the charging socket, wherein the power supply time is 1 second;
c, after the charging socket supplies power, the communication control module on the charging socket reports the ID of the communication control module through a power carrier communication module arranged in the communication control module;
d, after receiving the reported information, the charging pile reports the read ID to a charging platform, the charging platform authenticates, if the ID has a binding account and the current amount allows to start charging, the authentication is successful, and an authentication success message is sent to the charging pile; after receiving the authentication success message, the charging pile starts charging, reports charging actions to a charging platform and starts charging;
and E, when the battery is full or the charger is separated from the charging socket, stopping charging the charging pile, reporting to the charging platform, and stopping charging.
Further, in step C, the communication control module repeatedly sends its own ID at an interval of 100 ms; and D, after the charging pile starts charging, sending a charging starting instruction to the communication control module sending the self ID, and after receiving the instruction, stopping sending the self ID by the communication control module.
Furthermore, a charging monitoring module is arranged in the communication control module, and the charging monitoring module acquires charging data and battery data in real time and reports the acquired data to the charging pile; and the charging pile acquires the reported information and then judges the information, if the judgment result is abnormal, the charging is stopped, and the judgment result is uploaded to a charging platform.
According to the invention, the power line is used as a communication carrier, and the power carrier communication modules are arranged on the charging pile and the electric bicycle, so that the function of communication between the charging pile and the electric bicycle is realized; the method comprises the steps that a binding account of the electric bicycle is established on a charging platform, and a payment mode is set, so that a plug-and-play charging mode is realized, and a traditional code scanning charging mode is not rejected; after the charging pile is powered off and then the call is made, the charging pile automatically continues to be charged without manual participation; the further technical scheme can also realize the monitoring of the battery state and the reporting of the battery state, thereby greatly improving the charging safety of the electric bicycle.
Drawings
Figure 1 is a schematic diagram of the connection of the apparatus of the present invention,
fig. 2 is a diagram showing the composition and connection of the charger.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The electric bicycle charging method based on power line carrier communication is realized on the basis of a charging pile and a charging platform which is in communication connection with the charging pile, the charging pile is connected with and manages a plurality of charging sockets, a charger of an electric bicycle is inserted into the charging sockets to be charged, a power line carrier communication module is arranged in the charging pile, a communication control module is arranged on the charger, a power line carrier communication module is arranged in the communication control module, the power line carrier communication module is connected through the charging sockets through power lines, and the communication control module is configured with a global unique ID.
Referring to fig. 1, a power line connected to a charging pile is provided with a power line carrier isolator to achieve communication isolation with other systems and block interference of external noise on the system; the charging pile is connected with the charging platform through a network, wherein the network can be a wired network or a wireless network. The charger is connected to a charging socket, typically in the form of a plug on the charger.
Referring to fig. 2, the charger includes a charging circuit and a communication control module, which are commonly used, and the charging circuit realizes the charging function of the battery; the communication control module comprises a power supply module, an MCU, a charging monitoring module and a power line carrier communication module. The power module supplies power for the functional module in the communication control module, the MCU is connected with and controls the charging monitoring module and the power line carrier communication module, the power line carrier communication module is connected with the power line, the MCU is cooperated to complete communication with the charging pile, the charging monitoring module is connected with the power line and the battery, and charging data and battery data are monitored.
The use range of the power line carrier frequency in China is 40-500 kHz, and the bandwidth of the carrier frequency band is 4 kHz. The frequency band with the best signal-to-noise ratio can be selected as the carrier frequency band according to the operation site environment.
Based on the above arrangement, the charging method of the electric bicycle provided by the invention comprises the following steps:
the method comprises the following steps that 1, a binding account is set for an ID of each communication control module on a charging platform;
and 2, preparing a step 2 of charging or associating a payment mode for the bound account of the communication control module ID on the charging platform.
The traditional public charging mode is that a charging program is activated by scanning a two-dimensional code on a charging pile, then charging time or charging amount is selected, and then the charging pile is started to charge.
In this embodiment, a binding account is set for the ID of each communication control module on the charging platform before charging, and after a user takes the communication control module of the user, the two-dimensional code on the communication control module is scanned, a applet is activated, a charging or related payment method is performed for the binding account of the ID of the communication control module, and meanwhile, the amount or time of each charging can be set or whether the charging is full or not, and after the setting is completed, the charging is activated without scanning the two-dimensional code every time.
And step A, connecting a charger of the electric bicycle to an idle charging socket to ensure that the charger is connected with a battery.
And step B, after the charging pile detects that the charging socket is connected with the charger, starting power supply of the charging socket, wherein the power supply time is 1 second.
It is prior art to detect that a charging socket is connected to a charger. The charging pile records and is connected with a charging socket of the charger.
The short power supply time is to detect whether a communication control module exists on the charger side, and the power supply time is 1 second and is enough for the communication control module to send the ID. In order to reduce power loss, the communication control module may control not to supply power to the charging circuit at this time; alternatively, the period is charged when the charging time or the amount of charge is calculated.
C, after the charging socket supplies power, the communication control module on the charging socket reports the ID of the communication control module through a power carrier communication module arranged in the communication control module;
the communication control module is started after being electrified, and the MCU controls the power line carrier communication module to send the ID of the MCU. The ID is stored in the MCU, and coincides with the ID registered in the charging platform.
To ensure reliable operation, the communication control module repeatedly sends its own ID at 100ms intervals.
D, after receiving the reported information, the charging pile reports the read ID to a charging platform, the charging platform authenticates, if the ID has a binding account and the current amount allows to start charging, the authentication is successful, and an authentication success message is sent to the charging pile; and C, after receiving the authentication success message, starting charging, namely starting the charging socket recorded in the step B for supplying power, reporting a charging action to a charging platform, and starting charging.
After charging is started, a charging starting instruction is sent to the communication control module sending the self ID, and after the communication control module receives the instruction, the communication control module stops sending the self ID.
If the communication control module can control the power supply of the charging circuit, the power supply is started at the moment.
If the charging pile continuously receives the ID sent by the communication control module, the communication control module does not receive the charging starting instruction, and at the moment, the charging pile sends the charging starting instruction again until the communication control module is silent. If the communication control module still sends the ID after repeating for multiple times, such as 5 times, the charger may be damaged, and the charging pile can stop charging the electric bicycle.
And E, when the battery is full or the charger is separated from the charging socket, stopping charging the charging pile, reporting to the charging platform, and stopping charging.
And D, if the information reported by the communication control module on the charging socket is not received within 1 second after the charging pile supplies power to a certain charging socket, and the charger is not configured with the communication control module, waiting for code scanning or card swiping for charging according to a traditional mode.
Consider a scenario: if more than 1 electric bicycle is charged at the moment, by adopting the method, a plurality of communication control modules can report the ID at the same time, and the information received by the charging pile can be disordered due to conflict. The application scenario of the present invention has low requirements on timeliness of communication, and in this embodiment, the following technical scheme is adopted: and step B, when the charging pile detects that a plurality of charging sockets are connected with the charger at the same time, sequentially starting the charging sockets connected with the charger to supply power, wherein the power supply time of each charging socket is 1 second.
The further improvement is that after one treatment, the next is treated: and after the authentication is completed, the charging pile sends a charging starting instruction, and when the ID sent by the signal control module is not received any more, the next charging is started to be processed, and the charging socket is powered for 1 second. Because two charging sockets cannot be processed simultaneously, only one charging socket is recorded in the step B, and disorder cannot be caused.
Consider another scenario: the two charging sockets are connected with the charger respectively in the time interval of less than 1 second, and the process according to the step B can cause disorder. In this embodiment, after one is processed, the next is processed: and after detecting that the charger is inserted, starting power supply, authentication and other steps, and during the period, if detecting that the other charging socket is connected with the charger, not supplying power. And when the charging socket which is currently processed starts charging, the charging pile sends a charging starting instruction and does not receive the ID sent by the signal control module, processing the next time, and starting from 1 second of supplying power to the charging socket. Because two charging sockets cannot be processed simultaneously, only one charging socket is recorded in the step B, and disorder cannot be caused.
In recent years, spontaneous combustion of the electric bicycle during charging frequently occurs, and one reason for spontaneous combustion is that the charging pile cannot acquire charging information of the battery and information of the battery. According to the invention, as the communication connection is established between the charging pile and the charger, the charging pile can obtain the information and make further judgment.
In this embodiment, the communication control module is provided with a charging monitoring module, collects charging data such as charging current, battery capacity, and battery temperature, and battery data, and reports the acquired data to the charging pile periodically through the MCU and the power carrier communication module.
And the charging pile acquires the reported information and then judges the information, if the judgment result is abnormal, the charging is stopped, and the judgment result is uploaded to a charging platform.
The charging pile stops supplying power to the abnormal charger, so that the spontaneous combustion hidden danger of the battery is eliminated in the early stage, and the charging safety of the electric bicycle is greatly improved.
The communication control module is independent of the charger of the electric bicycle and is connected with the charger through a power line. This has two benefits: 1. the charger damages and does not influence the work of communication control module, still can accomplish communication and control to can discover the trouble of charger (if charging current is too big etc.), 2, can not change current electric bicycle's charger structure, only on the power line connect respectively communication control module and charger can, accomplish the technical upgrade who fills electric pile easily.
The MCU in the communication control module is internally configured with a global unique ID with the length of 8 bytes, and the format is defined as follows:
because the communication content is simple, the communication procedure can be defined in a user-defined mode, and the following is a user-defined format.
The communication control module sends an ID:
| initial symbol | Command symbol | Data of | Ending symbol | CRC |
| 0x55 (1 byte) | 0x01 (1 byte) | ID (8 bytes) | 0xEE (1 byte) | 1 byte |
Charging start instructions sent by the charging pile:
| initial symbol | Command symbol | Data of | Ending symbol | CRC |
| 0x55 (1 byte) | 0x02 (1 byte) | ID (8 bytes) | 0xEE (1 byte) | 1 byte |
The communication control module sends monitoring data:
by adopting the communication procedures, the length of each command is determined, the judgment is simple, and the communication function of the invention can be completed.
Claims (7)
1. A charging method of an electric bicycle based on power line carrier communication is realized based on a charging pile and a charging platform which is in communication connection with the charging pile, the charging pile is connected with and manages a plurality of charging sockets, a charger of the electric bicycle is inserted into the charging sockets for charging,
the charging pile is characterized in that a power carrier communication module is arranged in the charging pile, a communication control module is arranged in the charger, a power carrier communication module is arranged in the communication control module, the power carrier communication module in the charging pile and the power carrier communication module in the communication control module are connected through a charging socket through a power line, and the communication control module is configured with a global unique ID;
the charging method comprises the following steps:
the method comprises the following steps that 1, a binding account is set for an ID of each communication control module on a charging platform;
preparing step 2, recharging or associating a payment mode for the bound account of the ID of the communication control module on the charging platform;
step A, connecting a charger of the electric bicycle to an idle charging socket;
b, after detecting that the charging socket is connected with the charger, starting power supply of the charging socket, wherein the power supply time is 1 second;
step C, after the charging socket supplies power, the communication control module on the charging socket reports the ID of the communication control module through a power carrier communication module arranged in the communication control module;
d, after receiving the reported information, the charging pile reports the read ID to a charging platform, the charging platform authenticates, if the ID has a binding account and the current amount allows to start charging, the authentication is successful, and an authentication success message is sent to the charging pile; after receiving the authentication success message, the charging pile starts charging, reports charging actions to a charging platform and starts charging;
and E, when the battery is full or the charger is separated from the charging socket, stopping charging the charging pile, reporting to the charging platform, and stopping charging.
2. The power-line carrier communication-based electric bicycle charging method according to claim 1,
in the step C, the communication control module repeatedly sends the ID of the communication control module at an interval of 100 ms;
and D, after the charging pile starts charging, sending a charging starting instruction to the communication control module sending the self ID, and after receiving the instruction, stopping sending the self ID by the communication control module.
3. The method for charging the electric bicycle based on the power line carrier communication of claim 1, wherein in the step B, when the charging pile detects that a plurality of charging sockets are connected to the charger at the same time, the charging sockets connected to the charger are sequentially powered on, and the power supply time of each charging socket is 1 second.
4. The electric bicycle charging method based on power line carrier communication according to claim 1,
the communication control module is internally provided with a charging monitoring module, and the charging monitoring module acquires charging data and battery data in real time and reports the acquired data to the charging pile;
and the charging pile acquires the reported information and then judges the information, if the judgment result is abnormal, the charging is stopped, and the judgment result is uploaded to a charging platform.
5. The method according to claim 1, wherein the communication control module is independent of a charger of the electric bicycle and is connected to the charger via a power line.
6. The electric bicycle charging method based on power line carrier communication of claim 1, wherein in step D, if the charging pile does not receive the information reported by the communication control module on a certain charging socket within 1 second after supplying power to the charging socket, the charging pile waits for code scanning or card swiping for charging.
7. The electric bicycle charging method based on power line carrier communication of claim 1, wherein a power line carrier isolator is arranged on a power line connected with the charging pile.
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| CN202210838600.XA CN114987268A (en) | 2022-07-18 | 2022-07-18 | Electric bicycle charging method based on power line carrier communication |
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| CN202210838600.XA CN114987268A (en) | 2022-07-18 | 2022-07-18 | Electric bicycle charging method based on power line carrier communication |
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| JPH04358950A (en) * | 1991-05-31 | 1992-12-11 | Honda Motor Co Ltd | Electrically-driven vehicle and charging stand thereof |
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Application publication date: 20220902 |