CN112277715A - System and method for supporting cross-regional charging - Google Patents
System and method for supporting cross-regional charging Download PDFInfo
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- CN112277715A CN112277715A CN202011119881.0A CN202011119881A CN112277715A CN 112277715 A CN112277715 A CN 112277715A CN 202011119881 A CN202011119881 A CN 202011119881A CN 112277715 A CN112277715 A CN 112277715A
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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
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/003—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity
- G07F15/005—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity dispensed for the electrical charging of vehicles
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/06—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with means for prepaying basic charges, e.g. rent for meters
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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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- 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 application provides a system and a method for supporting cross-regional charging. The system comprises a charging pile, wherein the charging pile is provided with a charging interface, the charging interface can be connected with various power grids, and one power grid corresponds to a charging card. The charging pile is provided with a charging interface, the charging interface can be connected with various power grids, one power grid corresponds to one charging card, the charging card supported by an electric automobile driven by a user is a first charging card, the first charging card corresponds to the power grid of a first area, the area where the charging pile is located is a second area, and the existing equipment in the second area only supports the second charging card.
Description
Technical Field
The present application relates to the field of charging, and in particular, to a system and method for supporting cross-region charging.
Background
At present, the charging pile constructed by regional and national networks in the national range cannot realize the trans-regional charging service, and inconvenience is brought to the trans-regional trip of electric automobile users. For example, the existing charging pile of the power company of beijing city of national grid only supports the use of the charging card of the electric vehicle issued by the power company of beijing city of national grid for charging the electric vehicle, and some electric vehicles which can only use the charging card of the electric vehicle issued by the power company of national grid for charging cannot be charged on the existing charging pile of beijing power company, which causes the problem that when a user drives an electric vehicle which can only be charged by using the charging card of the electric vehicle issued by the power company of national grid into the area of the charging pile of the power company of beijing only, the electric vehicle cannot be charged, and the problem that the electric vehicle cannot be used because the electric vehicle cannot be charged in time.
Disclosure of Invention
The main purpose of the present application is to provide a system and a method for supporting cross-regional charging, so as to solve the problem that in the prior art, a charging pile only supports one electric vehicle charging card to charge an electric vehicle.
To achieve the above object, according to one aspect of the present application, there is provided a system supporting cross-region charging, including: the charging pile is provided with a charging interface, the charging interface can be connected with various power grids, and one power grid corresponds to one charging card.
Furthermore, the system comprises a charging unit, the charging unit is communicated with the charging pile, the charging unit is used for calculating the charging amount of the charging pile, and the charging unit supports multiple charging modes.
Further, the charging unit comprises a main processor, a first ESAM slot, a second ESAM slot and a storage chip.
Furthermore, the charging unit further comprises a display driving interface, an external storage interface, an external communication interface, an analog quantity acquisition interface, a switching value input interface, a switching value output interface and a power interface.
Further, the charging post includes a communication unit that supports communication with a plurality of the power grids.
Further, the system further comprises: and the user identity authentication unit is communicated with the charging pile.
Further, the system also comprises a human-computer interaction unit.
Further, the power grid comprises a national power grid and a Beijing city power grid.
According to another aspect of the present application, there is provided a method of supporting cross-region charging, comprising: determining a type of charging card, one type of the charging card corresponding to a power grid; determining whether the charging card is valid; controlling at least the allowance to charge the load in case the charging card is valid.
According to the technical scheme, the charging pile is provided with a charging interface, the charging interface can be connected to multiple power grids, one power grid corresponds to one charging card, the charging card supported by an electric automobile driven by a user is a first charging card, the first charging card corresponds to the power grid of a first area, the area where the charging pile is located is a second area, existing equipment in the second area only supports the second charging card, the charging pile supports multiple charging cards, when the electric automobile driven by the user and supporting the first charging card drives into the area where the charging pile is located, the charging pile still supports the driving of the electric automobile for the user to charge, and cross-area charging of the electric automobile is achieved. The system is beneficial to unifying the service mode of the charging facilities of the national network company, provides better high-quality service for users, and plays a positive role in encouraging consumers to purchase and use electric automobiles and promoting the popularization and application of the electric automobiles. The resource is prevented from being idle, the use efficiency is improved, and the construction cost can be effectively controlled.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
fig. 1 shows a schematic diagram of a system supporting cross-region charging according to an embodiment of the application;
FIG. 2 illustrates a flow diagram of a method of supporting cross-region charging in accordance with an embodiment of the present application;
fig. 3 illustrates a flow diagram of another method of supporting cross-region charging according to an embodiment of the application.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. 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 application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
For convenience of description, some terms or expressions referred to in the embodiments of the present application are explained below:
an ESAM (Embedded Secure Access Module), which is a CPU card chip substantially packaged by DIP and SOP chips, was used as a wallet in an IC card electric meter at the earliest to store the amount of money to be charged and consumed, and other important parameters, and has an identity recognition function to perform bidirectional identity authentication with an external card. With the increasing importance on the terminal security, the method is widely applied to various embedded terminals to realize the functions of data secure storage, data encryption and decryption, terminal identity identification and authentication, embedded software copyright protection, DRM digital copyright management and the like.
As introduced in the background art, the charging pile in the prior art only supports one electric vehicle charging card to charge the electric vehicle, and does not support cross-regional charging.
An embodiment of the present application provides a system supporting cross-regional charging, including: fill electric pile, the aforesaid fills electric pile and has the interface that charges, and the interface that above-mentioned charges can insert multiple electric wire netting, and an above-mentioned electric wire netting corresponds to a card that charges.
In the scheme, the charging pile is provided with a charging interface, the charging interface can be connected with various power grids, one power grid corresponds to one charging card, the charging card supported by an electric automobile driven by a user is a first charging card, the first charging card corresponds to the power grid of a first area, the area where the charging pile is located is a second area, existing equipment in the second area only supports the second charging card, the charging pile supports various charging cards, when the electric automobile driven by the user and supporting the first charging card drives into the area where the charging pile is located, the charging pile still supports the driving of the electric automobile for the user to charge, and the cross-area charging of the electric automobile is realized. The system is beneficial to unifying the service mode of the charging facilities of the national network company, provides better high-quality service for users, and plays a positive role in encouraging consumers to purchase and use electric automobiles and promoting the popularization and application of the electric automobiles. The resource is prevented from being idle, the use efficiency is improved, and the construction cost can be effectively controlled.
In an embodiment of the present application, the system includes a charging unit, the charging unit communicates with the charging pile, the charging unit is configured to calculate a charging amount of the charging pile, and the charging unit supports multiple charging modes. Specifically, a national network charging mode and a Beijing charging mode are supported, support for two processes of the national network charging mode and the Beijing charging mode is realized, and cross-region charging is realized.
In an embodiment of the present application, a specific system architecture diagram is related to, as shown in fig. 1, the system includes a grid pushing system, a beijing electricity selling and issuing system and a charging station, the charging station includes a plurality of charging piles, each charging pile includes a charging control board, a first wireless module, a second wireless module, a charging unit, a card reader and an electric energy meter, when the charging cards are national grid unified charging cards, the charging module communicates with the grid pushing system through the first wireless module, when the charging cards are beijing charging cards, the charging module communicates with the beijing electricity selling and issuing system through the second wireless module. And the system supports data interaction between the network pushing system and the Beijing electricity selling and issuing system.
In another embodiment of the present application, the charging unit includes a main processor, a first ESAM slot, a second ESAM slot, and a memory chip. The main processor selects a TI AM3354 Sitara ARM Cortex-A8800 MHz chip, the first ESAM slot is used for installing an ESAM of a Beijing billing system, the second ESAM slot is used for installing an ESAM of a national network billing system, and the storage chip is used for storing local storage records of charging records, electricity price models, blacklists and the like.
In another embodiment of the present application, the hardware interface of the charging unit is divided into a display driving interface, an external storage interface, an external communication interface, an analog quantity acquisition interface, a switching value input interface, a switching value output interface, and a power interface according to functions; the device CAN be divided into a card reading interface, a meter reading interface, a GPRS/CAN/Net interface and a state monitoring interface according to the use.
In another embodiment of the present application, the charging control board communicates with the charging unit, and the protocol is modified to expand the communication protocol between the main processor and the charging unit, so as to relate to the charging-related data interaction content and the charging control process, and to be compatible with the national network card charging process and information.
In another embodiment of the present application, the charging unit may also be divided into a core board and an interface board, where the core board is a minimum system mainly using TI AM3352 as a core, and the core board further integrates interface controllers such as an ethernet controller, CAN, SD, LCD, UART, USB, ADC, SPI, I2C, I2S, and GPIO, in addition to the CPU and the memory. The interface board circuit realizes the functional interfaces required by the charging board, such as a real-time clock, network communication, serial 485 meter reading communication, external expansion Flash, a serial 232 read-write transaction card, serial 232GPRS communication, EASM communication, analog quantity acquisition, switching value control and the like.
In another embodiment of the present application, the software part of the charging unit mainly includes several major module programs, such as a settlement control part, an inquiry part, a data distribution part, a data upload part, a data storage part, and a card read-write part, which are to be modified according to a new charging process and a charging model, and specifically includes:
1) and a national network transaction flow is increased. Different transaction processes are selected, and relevant data are returned to the charging pile main board, so that various operations of two cards including card reading, ash locking, fee deduction, unlocking, deduction supplementing and the like are realized. And changing various tool software to write data programs into the card, changing the length and the data structure of the file, reading the returned data, changing a file structure cutting program, displaying contents, and verifying the change of the contents.
2) And modifying the charging function. And adding a time-sharing electric charge charging scheme and reserving a service charge charging scheme. And finishing the calculation, forwarding and storage of the user consumption amount according to different processes. The data is sent down to increase the content related to the multi-rate; reading data and adding multi-rate settlement data analysis.
3) And modifying the electricity reading meter program. And in the charging process, the calculation programs of the electric quantity and the price are all adjusted according to the new electricity price model, and the electric quantity reading is modified into a time-sharing rate reading mode.
4) And (5) modifying the communication function. The communication function of uplink and downlink data of different acquisition equipment of the national network and the Beijing is realized according to the two sets of cards of the national network and the Beijing.
5) And (4) storing data. And the information such as national network card information, a charging tariff table, a service tariff table, time-period electric quantity, charging start and stop time, time-period electric charge, service charge, charging record and the like is compatible for storage.
6) The information management tool of the user card is upgraded to be compatible with the read-write card.
In another embodiment of the present application, based on the existing charging system, the modification scheme of the acquisition device and the wireless module (including the first wireless module and the second wireless module) is as follows:
1) and modifying the protocol of the access national network master station system, and supplementing the content of the national network protocol.
2) And modifying the program of the acquisition equipment and supporting the national network communication protocol. And the communication function of uplink and downlink data between the charging pile and the national network charging and battery replacing service operation monitoring system master station system is realized.
3) And a charging model is changed, and multi-rate and service charge model issuing is supported.
4) And the time correction function of the charging pile is modified, and the successful time correction result detection and alarm are enhanced.
5) And a timing and monitoring mechanism of the electric meter is added.
6) And the meter reading function of the acquisition equipment terminal needs to be changed.
7) And expanding meter reading data, reading the electric energy data of the five groups of the total, the tip, the peak, the level and the valley, and transmitting the electric energy data to a charging board.
In another embodiment of the present application, the system for supporting cross-region charging organically integrates information technology, sensor technology, automatic control technology and power grid infrastructure, and realizes comprehensive application of communication, information and modern management technology. The charging facility can provide convenient, intelligent, timely, accurate and efficient charging and battery replacing services for electric automobile users and electric automobile charging and battery replacing service enterprises by taking specific requirements of the charging and battery replacing services required by the rapid development of the electric automobiles as guidance and fusing emerging technologies such as smart power grids, communication networks, Internet of vehicles and the like. The electric vehicle charging facility can support various charging modes, various operator accounts and data interaction with multiple systems by upgrading and modifying the existing charging system. Support is provided for promoting the innovation of the operation mode of the electric automobile, and the concept of energy Internet is effectively practiced.
In another embodiment of the present application, the charging pile includes a communication unit, and the communication unit supports communication with a plurality of power grids. The communication unit can be a wireless communication unit (including a first wireless module and a second wireless module), supports multiple communication protocols, and realizes data interaction between the charging pile and multiple power grids through the wireless communication unit.
In an embodiment of the present application, the system further includes: and the user identity authentication unit is communicated with the charging pile. The user identity authentication unit can identify the information of the user, specifically, the type of the charging card of the user, the balance of the charging card, the charging mode of the charging card and the like, so that the user identity authentication unit can accurately identify the information of the user.
Optionally, the system further includes a human-computer interaction unit. The human-computer interaction unit is provided with a display screen and can display charging information in real time.
In a specific embodiment, the power grid includes a national power grid and a beijing power grid. That is to say, when a user drives an electric vehicle which can only be charged by using an electric vehicle charging card issued by the national grid company, the electric vehicle still can be charged when the user drives the electric vehicle into an area which is only provided with a charging pile of the Beijing electric power company, and cross-area charging is realized.
An exemplary embodiment of the present application provides a method for supporting cross-region charging, as shown in fig. 2, the method comprising the steps of:
step S101, determining the types of charging cards, wherein one type of charging card corresponds to a power grid;
step S102, determining whether the charging card is effective;
step S103, under the condition that the charging card is effective, at least allowing the load to be charged is controlled.
In the above scheme, the type of the charging card is firstly determined, and then whether the charging card is valid is determined, in the case that the charging card is valid, at least the control is allowed to charge the load, and one type of charging card corresponds to one power grid, that is, the charging card can support multiple types of charging cards to charge the load.
Specifically, the execution main body of the method supporting the cross-region charging is a charging pile, and the charging point card comprises a national grid unified charging card and a Beijing charging card, namely, the load can be charged no matter whether the user adopts the national grid unified charging card or the Beijing charging card, that is, when the user drives an electric vehicle which can only be charged by using the electric vehicle charging card issued by the national grid company to enter a region of the charging pile of the Beijing power company, the electric vehicle can still be charged, and the cross-region charging is realized.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
In a more specific embodiment of the present application, as shown in fig. 3, a specific cross-region charging method is involved, which includes entering a welcome interface, selecting whether to charge with or without a card, determining the type of the card in the case of card charging, performing steps of selecting a pre-charge amount, performing card swiping authentication, setting the number of times of abnormal grey lock to be less than 5 times, starting charging, displaying charging information, and the like if the card is a national network card (i.e., a national network unified charging card); if the card is a Beijing card (namely a Beijing charging card), judging whether the card is legal or not, if not, prompting to withdraw the card, if the card is legal, carrying out user password verification, if the password is correct, locking the card, sending a charging starting command, sending a contactor attraction signal, checking whether the contactor is attracted or not, and the like.
In a more specific embodiment of the present application, as shown in fig. 3, a specific cross-region charging method is involved, which includes entering a welcome interface, swiping a card, determining whether the card has a gray lock record, displaying a card number and a balance if the card does not have the gray lock record, querying the gray lock record from a background to perform local unlocking if the card has the gray lock record, and displaying a settlement record.
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:
1) the utility model provides a system for support cross regional charging, it has the interface that charges to fill electric pile, the interface that charges can insert multiple electric wire netting, an electric wire netting is corresponding to a card that charges, the card that charges that the electric automobile that the user drove supports is first kind of card that charges, first kind of card that charges is corresponding to the electric wire netting in first region, the region that should fill electric pile place is the second region, current equipment only supports second kind of card that charges in the second region, because the card that charges supports multiple card that charges of filling in this scheme, when the electric automobile that the user drove into this area of filling electric pile place of supporting first kind of card that charges, this fills electric pile still supports to drive electric automobile for the user and charges, the cross regional charging to electric automobile has been realized. The system is beneficial to unifying the service mode of the charging facilities of the national network company, provides better high-quality service for users, and plays a positive role in encouraging consumers to purchase and use electric automobiles and promoting the popularization and application of the electric automobiles. The resource is prevented from being idle, the use efficiency is improved, and the construction cost can be effectively controlled.
2) The method for supporting cross-regional charging firstly determines the type of the charging card, then determines whether the charging card is effective, and controls to allow the load to be charged at least under the condition that the charging card is effective, wherein one type of charging card corresponds to one power grid, that is, the method can support multiple types of charging cards to charge the load.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. A system for supporting cross-regional charging, comprising:
the charging pile is provided with a charging interface, the charging interface can be connected with various power grids, and one power grid corresponds to one charging card.
2. The system of claim 1, comprising a charging unit, wherein the charging unit is in communication with the charging post, wherein the charging unit is configured to calculate a charging amount of the charging post, and wherein the charging unit supports multiple charging modes.
3. The system of claim 2, wherein the billing unit comprises a main processor, a first ESAM slot, a second ESAM slot, and a memory chip.
4. The system according to claim 2 or 3, wherein the charging unit further comprises a display driving interface, an external storage interface, an external communication interface, an analog quantity acquisition interface, a switching quantity input interface, a switching quantity output interface and a power supply interface.
5. The system of claim 1, wherein the charging post comprises a communication unit that supports communication with a plurality of the power grids.
6. The system of claim 1, further comprising:
and the user identity authentication unit is communicated with the charging pile.
7. The system of claim 1, further comprising a human-machine interaction unit.
8. The system of claim 1, wherein the power grid comprises a national power grid and a beijing utility power grid.
9. A method of supporting cross-region charging, comprising:
determining a type of charging card, one type of the charging card corresponding to a power grid;
determining whether the charging card is valid;
controlling at least the allowance to charge the load in case the charging card is valid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011119881.0A CN112277715A (en) | 2020-10-19 | 2020-10-19 | System and method for supporting cross-regional charging |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011119881.0A CN112277715A (en) | 2020-10-19 | 2020-10-19 | System and method for supporting cross-regional charging |
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| CN112277715A true CN112277715A (en) | 2021-01-29 |
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| CN202011119881.0A Pending CN112277715A (en) | 2020-10-19 | 2020-10-19 | System and method for supporting cross-regional charging |
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Application publication date: 20210129 |