Charging pile flexible regulation and control method and system

Abstract

The invention relates to a charging pile flexible regulation and control method and system, and the method comprises the steps: installing a Rogowski coil on an incoming line of each charging pile, and carrying out the real-time sampling of voltage and current; the guide rail meter is connected with the Rogowski coil through a voltage line and a current signal line, so that the real-time power of the charging pile can be monitored on line; the guide rail meter upwards communicates with the concentrator, upwards sends the running state of the charging pile and collects data, downwards communicates with a charging control panel in the charging pile and issues a received power adjusting instruction to the charging control panel, and the charging control panel adjusts the charging power of the charging pile; the concentrator communicates with the 5G short slice private network area edge gateway equipment through a 4G / 5G public network; edge gateway data enters the Internet of Things management platform through a 5G short slice dedicated channel, and the virtual power plant platform communicates with the Internet of Things platform through a system interface mode. The method is suitable for on-site flexible regulation and control transformation of charging piles of various types and manufacturers.

Description

Technical Field

[0001] The present application relates to the field of charging pile control, and more specifically, to a charging pile flexible control method and system. Background Art

[0002] At present, although most of the new charging piles on the market have flexible control functions, the flexible technology of charging piles installed before 2023 is not widely used and needs to be transformed and upgraded. Due to differences in design and control of charging piles of different brands, the flexible control technology has poor compatibility between charging piles of different brands. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a charging pile flexible control method and system, which is suitable for on-site flexible control and transformation of charging piles of various types and manufacturers, to achieve remote, real-time and dynamic adjustment of the charging power of the charging piles, and to ensure that the output power of the charging piles can operate in real time according to established rules.

[0004] To achieve the above objectives, this application provides the following technical solutions:

[0005] In a first aspect, an embodiment of the present application provides a charging pile flexible control method, comprising the following steps:

[0006] Install a Rogowski coil on each charging pile incoming line to sample the voltage and current in real time;

[0007] The rail meter is connected to the Rogowski coil through the voltage line and current signal line to obtain real-time power data such as voltage, current and power, and realize online monitoring of the real-time power of the charging pile;

[0008] The rail meter communicates with the concentrator upwards, sends the charging pile operation status and collected data, and communicates with the charging control board in the charging pile downwards, sends the received power adjustment instructions to the charging control board, and the charging control board adjusts the charging power of the charging pile;

[0009] The concentrator communicates with the edge gateway device in the 5G short-slice dedicated network area through the 4G / 5G public network;

[0010] The edge gateway data enters the IoT management platform through a dedicated 5G short-slice channel, and the virtual power plant platform communicates with the IoT platform through a system interface.

[0011] In the second aspect, an embodiment of the present application provides a flexible control system for a charging pile, including a charging pile, wherein the charging pile is connected to a transformer through an incoming line, a first concentrator is arranged between the charging pile and the transformer, a charging control board is arranged in the charging pile, the charging control board is communicatively connected to a guide rail meter, the guide rail meter is connected to a Rogowski coil through a voltage line and a current signal line, the Rogowski coil is installed on the incoming line of each charging pile, a second concentrator is also connected to the line connecting the charging pile and the first concentrator, the second concentrator is communicatively connected to the guide rail meter, the second concentrator communicates with an edge gateway device in a 5G short slice dedicated network area through a 4G / 5G public network, the edge gateway device communicates with an Internet of Things management platform through a 5G short slice dedicated channel, and the Internet of Things management platform is connected to a virtual power plant platform.

[0012] The first concentrator is installed on the low-voltage side of the low-voltage distribution transformer, communicates with the user's electric energy meter through the low-voltage power line carrier, collects data of all user electric energy meters under the distribution transformer, and collects data of all total meters under the distribution transformer through downlink 485 communication.

[0013] The second concentrator is installed on the low-voltage side of the low-voltage distribution transformer, communicates with the rail meter through the low-voltage power line carrier, collects data from all charging pile rail meters under the distribution transformer, connects to the billing control unit and charging control module of the charging pile through the downlink CAN bus, obtains the charging pile working condition and power data in real time, and exchanges data with the Internet of Things management platform through the uplink channel, thereby realizing the function of flexible regulation of the charging pile.

[0014] The second concentrator adopts a 32-bit RISC embedded software and hardware platform, including a remote communication module, a local communication module, an RS485 module, a CAN module, an LCD / infrared, a liquid crystal module, and a Bluetooth communication module.

[0015] Compared with the prior art, the beneficial effects of the present invention are: it is suitable for on-site flexible control and transformation of charging piles of various types and manufacturers, and realizes remote, real-time and dynamic adjustment of the charging power of the charging piles, ensuring that the output power of the charging piles can operate in real time according to established rules. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a system structure diagram of this application.

[0018] Figure 2 This is a structural block diagram of the second concentrator of this application.

[0019] Figure 3 This is the method flow chart of this application DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0021] The terms "comprises," "comprising," or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0022] The terms "first", "second", etc. are only used to distinguish one entity or operation from another entity or operation, and should not be understood as indicating or implying relative importance, nor should they be understood as requiring or implying any such actual relationship or order between these entities or operations.

[0023] like Figure 1 and Figure 2 As shown, an embodiment of the present application provides a flexible control system for a charging pile, including a charging pile 1, wherein the charging pile 1 is connected to a transformer 7 through an incoming line, a first concentrator 6 is arranged between the charging pile 1 and the transformer 7, a charging control board 2 is arranged in the charging pile 1, the charging control board 2 is communicatively connected to a guide rail meter 3, the guide rail meter 3 is connected to a Rogowski coil 4 through a voltage line and a current signal line, the Rogowski coil 4 is installed on the incoming line of each charging pile 1, a second concentrator 5 is also connected to the line connecting the charging pile 1 and the first concentrator 6, the second concentrator 5 is communicatively connected to the guide rail meter 3, the second concentrator 5 communicates with a 5G short slice dedicated network area edge gateway device 8 through a 4G / 5G public network, the edge gateway device 8 communicates with an Internet of Things management platform 9 through a 5G short slice dedicated channel, and the Internet of Things management platform 9 is connected to a virtual power plant platform 10.

[0024] The first concentrator 6 is installed on the low-voltage side of the low-voltage distribution transformer, communicates with the user's electric energy meter through the low-voltage power line carrier, collects data of all user electric energy meters under the distribution transformer, and collects data of all total meters under the distribution transformer through downlink 485 communication.

[0025] The second concentrator 5 is installed on the low-voltage side of the low-voltage distribution transformer, communicates with the guide rail meter 3 through the low-voltage power line carrier, collects data from all charging pile guide rail meters under the distribution transformer, accesses the billing control unit and charging control module of the charging pile through the downlink CAN bus, obtains the charging pile working condition and power data in real time, and exchanges data with the Internet of Things management platform 9 through the uplink channel, thereby realizing the function of flexible regulation of the charging pile.

[0026] The second concentrator 5 is an OOP concentrator (2022 version). The OOP concentrator (2022 version) adopts a 32-bit RISC embedded hardware and software platform. The hardware includes remote communication module, local communication module, RS485 module, CAN module, LCD / infrared, liquid crystal module, Bluetooth communication module, etc.; the software adopts an embedded operating system and deploys a "container + APP" software architecture, which can realize the interchange of application software from various manufacturers and the rapid development and deployment of various edge computing advanced applications, with good real-time performance and high reliability. This paper mainly uses its support for RS485 and CAN bus communication, built-in HPLC + HRF dual-mode communication module, and communicates with the charging pile through the CAN communication module to interact with data, instructions, etc.

[0027] like Figure 3 As shown, the embodiment of the present application provides a charging pile flexible control method, comprising the following steps:

[0028] Install a Rogowski coil on each charging pile incoming line to sample the voltage and current in real time;

[0029] The rail meter is connected to the Rogowski coil through the voltage line and current signal line to obtain real-time power data such as voltage, current and power, and realize online monitoring of the real-time power of the charging pile;

[0030] The rail meter communicates with the concentrator upwards, sends the charging pile operation status and collected data, and communicates with the charging control board in the charging pile downwards, sends the received power adjustment instructions to the charging control board, and the charging control board adjusts the charging power of the charging pile;

[0031] The concentrator communicates with the edge gateway device in the 5G short-slice dedicated network area through the 4G / 5G public network;

[0032] The edge gateway data enters the IoT management platform through a dedicated 5G short-slice channel, and the virtual power plant platform communicates with the IoT platform through a system interface.

[0033] The charging pile control page of the IoT management platform of this application summarizes and displays the user equipment information of the connected charging pile, the overall equipment information operation monitoring curve, and the user control issuance history record. After the edge gateway device receives the charging pile (gun) equipment SN code, real-time current, real-time voltage, real-time power, charging status, charging stage and other status information collected by the on-site 22-version concentrator, it transmits it to the platform database according to the platform's unified IOT IoT model. The platform formulates a control strategy (control charging piles and control load values) according to the real-time regulation needs of the power grid. Before the control is executed, the platform first verifies the charging status of the charging pile, only allows the charging status to be adjusted, sets the control time and limits the charging power, and transmits it to the edge gateway device through the command transmission channel. After the edge gateway device generates a 698 protocol message according to the control strategy, it is transmitted to the 22-version concentrator. The concentrator selects the corresponding charging pile for control according to the content of the message.

[0034] Utilizing the control technology link of "version 22 concentrator + rail meter + Rogowski coil" and the data communication link of "5G short slice-698-carrier-RS485-CAN", by installing the version 22 concentrator, which is also the second concentrator, on the main output side of the transformer, installing the rail meter in the charging pile, and connecting to the billing control unit and the charging control module through the CAN bus, the charging pile operating condition data can be obtained in real time and the maximum output of the power source can be set, so as to realize group adjustment and control of all charging piles under the transformer; the State Grid standard communication 698 protocol is used upward, and the 5G short slice technology is used to connect to the Internet of Things management platform of the intranet management information area, and monitoring and regulation are realized through the virtual power plant platform.

[0035] The above description is only an embodiment of the present application and is not intended to limit the protection scope of the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A charging pile flexible control method, characterized in that: The following steps are involved: Install a Rogowski coil on each charging pile incoming line to sample the voltage and current in real time; The rail meter is connected to the Rogowski coil through the voltage line and current signal line to obtain real-time power data such as voltage, current and power, and realize online monitoring of the real-time power of the charging pile; The rail meter communicates with the concentrator upwards, sends the charging pile operation status and collected data, and communicates with the charging control board in the charging pile downwards, sends the received power adjustment instructions to the charging control board, and the charging control board adjusts the charging power of the charging pile; The concentrator communicates with the edge gateway device in the 5G short-slice dedicated network area through the 4G / 5G public network; The edge gateway data enters the IoT management platform through a dedicated 5G short-slice channel, and the virtual power plant platform communicates with the IoT platform through a system interface.

2. A charging pile flexible control method according to claim 1, characterized in that: The guide rail meter communicates with the concentrator upward through HPLC+HRF dual-mode technology, and communicates with the charging control board in the charging pile downward through RS-485 line.

3. A charging pile flexible control system, characterized in that: The invention comprises a charging pile (1), wherein the charging pile (1) is connected to a transformer (7) via an incoming line, a first concentrator (6) is arranged between the charging pile (1) and the transformer (7), a charging control board (2) is arranged inside the charging pile (1), the charging control board (2) is communicatively connected to a guide rail meter (3), the guide rail meter (3) is connected to a Rogowski coil (4) via a voltage line and a current signal line, the Rogowski coil (4) is installed on the incoming line of each charging pile (1), a second concentrator (5) is also connected to the line connecting the charging pile (1) and the first concentrator (6), the second concentrator (5) is communicatively connected to the guide rail meter (3), the second concentrator (5) communicates with a 5G short-slice dedicated network area edge gateway device (8) via a 4G / 5G public network, the edge gateway device (8) communicates with an Internet of Things management platform (9) via a 5G short-slice dedicated channel, and the Internet of Things management platform (9) is connected to a virtual power plant platform (10).

4. A charging pile flexible control system according to claim 3, characterized in that: The first concentrator (6) is installed on the low-voltage side of the low-voltage distribution transformer, communicates with the user's electric energy meter through the low-voltage power line carrier, collects data of all user's electric energy meters under the distribution transformer, and collects data of all total meters under the distribution transformer through downlink 485 communication.

5. A charging pile flexible control system according to claim 3, characterized in that: The second concentrator (5) is installed on the low-voltage side of the low-voltage distribution transformer, communicates with the rail meter (3) via the low-voltage power line carrier, collects data from all the charging pile rail meters under the distribution transformer, accesses the charging pile billing control unit and the charging control module via the downlink CAN bus, obtains the charging pile working condition and power data in real time, and exchanges data with the Internet of Things management platform (9) via the uplink channel, thereby realizing the function of flexible control of the charging pile.

6. A charging pile flexible control system according to claim 3, characterized in that: The second concentrator (5) adopts a 32-bit RISC embedded software and hardware platform, including a remote communication module, a local communication module, an RS485 module, a CAN module, an LCD / infrared, a liquid crystal module, and a Bluetooth communication module.

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