CN212965788U - Edge agent controller and system based on platform side intelligent management - Google Patents
Edge agent controller and system based on platform side intelligent management Download PDFInfo
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- CN212965788U CN212965788U CN202021551970.8U CN202021551970U CN212965788U CN 212965788 U CN212965788 U CN 212965788U CN 202021551970 U CN202021551970 U CN 202021551970U CN 212965788 U CN212965788 U CN 212965788U
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Abstract
The utility model discloses an edge agent controller and system based on platform district side wisdom management, include: the central processing module is respectively communicated with the voltage acquisition module, the current acquisition module, the RJ45 network port and the memory chip; the voltage acquisition module and the current acquisition module are connected with the edge agent controller by adopting SPI interfaces and AD conversion chips, acquire data of the low-voltage user electric energy meter according to configured acquisition tasks, and the controller sends the data to the master station through an RJ45 network port when the master station calls; the memory chip stores data acquired by the voltage acquisition module and the current acquisition module. The modular design of the controller can flexibly adjust the functional modules according to different application scenes and requirements.
Description
Technical Field
The utility model belongs to the technical field of control, especially, relate to marginal agent control ware, system based on platform district side wisdom management.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
As the wisdom energy control system of ubiquitous electric power thing networking: the method comprises the steps of carrying out global energy scheduling management and supporting local equipment to carry out hierarchical cooperative control by taking safe and economic operation of a power grid as a target, calculating station area basic load and available charging power at each time interval in advance by adopting a corresponding load prediction algorithm based on station area distribution transformation historical conventional load data, charging history, user use habit and other basic data, generating a station area day-ahead load regulation and control target curve and a load prediction curve, issuing the load regulation and control target curve and the load prediction curve to a station area edge agent controller, and using the load prediction curve as core input for implementing a local control strategy by the edge agent controller. The intelligent energy control system can acquire user requirements, combines the prediction information and the real-time running information of the distribution room and the equipment to arrange the ordered charging strategy plan, realizes ordered charging control, has the functions of charging requirement pre-decision making, strategy model maintenance downloading, ordered charging clearing and settlement, model file maintenance, ordered charging excitation and the like, and realizes ordered charging global closed-loop management.
The intelligent energy control system has the advantages that the edge agent controller in the intelligent energy control system is used as a core and a hub of local edge control of the transformer area side, and data collection reading and energy dispatching management of multi-client-side energy utilization equipment of the transformer area side are realized. The edge agent controller can receive instructions and strategies of the intelligent energy service platform, and forms an effective and reasonable ordered energy utilization plan based on the real-time running state of the transformer area and data such as remote measurement and remote signaling of multiple client side devices in the transformer area, and the energy utilization requirements of users are met on the basis of guaranteeing safe and stable running of the transformer area. The edge agent controller timely issues the energy utilization plan to the energy router for execution, and adjusts the power of the client side equipment, so as to achieve the purpose of meeting the requirement of more energy utilization without expanding the capacity of the station area box transformer.
In the prior art, renewable energy power generation equipment can be managed in a networking and unified manner through communication equipment. The concentrator realizes the data set reading of the station area side energy utilization information.
The above scheme has the following problems:
1) the current concentrator equipment has limited operation capability, and the whole hardware architecture has technical problems.
2) Due to the non-modular design, the functional modules can not be flexibly adjusted according to different application scenes and requirements.
3) The sensing capability of information sensing of all levels of nodes in a low-voltage transformer area and information sensing of environment, state and the like in a low-voltage distribution room is not provided.
4) The cloud background system has no way to respond to the user demands in time.
SUMMERY OF THE UTILITY MODEL
For overcoming the not enough of above-mentioned prior art, the utility model provides an edge agent controller based on platform district side wisdom management possesses the local edge computational analysis ability in platform district and the perceptibility of sensor information.
In order to achieve the above object, one or more embodiments of the present invention provide the following technical solutions:
in a first aspect, an edge proxy controller based on intelligent management at a station side is disclosed, comprising: the central processing module is respectively communicated with the voltage acquisition module, the current acquisition module, the network communication module and the function module to realize data interaction;
the voltage acquisition module and the current acquisition module are used for acquiring data of the low-voltage user electric energy meter and sending the data to the central processing module, and the central processing module is sent to the master station through the network communication module.
And the terminal of the functional module is provided with a protection circuit for ensuring that the functional module is not damaged during hot plugging.
The voltage acquisition module and the current acquisition module are connected with the central processing module by adopting SPI interfaces and AD conversion chips, acquire data of the low-voltage user electric energy meter according to configured acquisition tasks, and the central processing module sends the data to the master station through the network communication module when the master station calls;
the storage module stores the data acquired by the voltage acquisition module and the current acquisition module.
According to the further technical scheme, the central processing module is connected with the key input module, the key input module is connected with the central processing module through general purpose input/output (I/O) of a general purpose input/output (GPIO-PU) pin, operation of keys is provided in a control panel of the central processing module, and the key input operation is matched with a display screen for use, namely up, down, left, right and system keys.
In a further technical scheme, the central processing module is also communicated with a display module, and the display module adopts an LCD.
The second aspect discloses an edge agent control system based on intelligent management of a transformer area side, which comprises an edge agent controller, wherein the controller is respectively connected to an electricity consumption information acquisition master station and an intelligent energy control system;
the controller is communicated with the distribution room general table, and the current load condition of the distribution room transformer is acquired and transmitted to the power consumption information acquisition main station and the intelligent energy control system respectively.
The above one or more technical solutions have the following beneficial effects:
1) the hardware architecture of the controller disclosed by the invention realizes the centralized meter reading of the transformer area and the ordered charging autonomy of the transformer area.
2) The modular design of the controller can flexibly adjust the functional modules according to different application scenes and requirements.
3) The low-voltage distribution room information sensing system has the information sensing capability of all levels of nodes in the low-voltage distribution room and the sensing capability of information such as environment and state in the low-voltage distribution room.
4) The encryption chip is high in encryption level and is controlled by a single core.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
FIG. 1 is a diagram illustrating a basic hardware connection structure according to an embodiment of the present invention;
fig. 2 is a hardware composition diagram of an edge proxy controller according to an embodiment of the present invention;
FIG. 3 is a diagram of an exemplary architecture of an alternative module according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating an exemplary architecture of another alternative module according to an embodiment of the present invention;
fig. 5 is a software flow diagram of an edge proxy controller according to an embodiment of the present invention;
fig. 6 is a power control circuit of the USB functional module according to an embodiment of the present invention;
fig. 7 is a protection circuit diagram according to an embodiment of the present invention.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. 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.
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 in accordance with the invention. 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.
In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.
Example one
The embodiment discloses an edge proxy controller based on intelligent management of the station side, which is shown in fig. 2 and includes: the device comprises a central processing module, a voltage acquisition module, a current acquisition module, a network communication module, a key input module, a display module, a USB module, a functional module, a memory module and a storage module, wherein the functional module comprises a high-speed carrier module, a data interface module, a wireless network communication module and a remote signaling/remote measuring module.
The central processing module is respectively connected with the voltage acquisition module, the current acquisition module, the network communication module, the key input module, the display module, the USB module, the functional module, the memory module and the storage module to realize data interaction.
In a specific implementation example, the network communication module is connected with the central processing module through an RJ45 network port to realize a communication function;
the memory module is a memory chip with DDR3 specification;
the memory module is a memory chip with nand flash specification;
a high-speed carrier module, which is a carrier module of HPLC specification;
the data interface module is a data interface chip with RS485 specification;
the wireless network communication module is a wireless network communication chip with 4G/5G specification.
Voltage acquisition module, electric current acquisition module, AD and CPU's connecting wire are the SPI interface, adopt SPI interface AD conversion chip to be connected with marginal agent controller, gather, save low pressure user electric energy meter data according to the collection task of configuration to call the time measuring at the master station and send for the master station. The edge proxy controller supports the functions of real-time data, second freezing, minute freezing, hour freezing, day freezing, month freezing, settlement day freezing and year freezing, the freezing period and the storage depth can be configured, and the frozen data source can be configured into any modular terminal real-time data. According to the acquisition of voltage and current, the three-phase unbalance analysis of the transformer area is realized, the network topology identification of each level of the acquisition system, the line loss analysis fault analysis and the like are realized;
the RJ45 network port is connected with edge agent controller, i.e. dual-core chip, by adopting high-speed RGMII, the PHY chip uses industrial grade hundred mega network chip, and is connected with CPU by RGMI, the differential signal of PHY chip is connected to RJ45 network port seat, and can be communicated by inserting network cable, and its port position adopts the design scheme of network transformer isolation and strong anti-interference capability. The edge proxy controller can upgrade software programs by adopting a wired network interface mode, or carry out national network private network networking according to user requirements, and provides ports for software debugging and wired private network networking.
The key input module is connected with the edge agent controller by adopting GPIO-PU pin general I/O, provides key operation in a control panel of the edge agent controller, and is respectively an upper key, a lower key, a left key, a right key and a system key which are matched with a display screen, and the key setting mode in the display screen needs the key operation of an operator, and the operation mode and the function requirements of related keys can be flexibly adjusted according to different requirements of users.
The display module is connected with the edge agent controller by adopting an LCD, is a wide temperature type LCD (liquid Crystal display) liquid Crystal display module, and has high backlight, high contrast and wide viewing angle; the liquid crystal display is 160 multiplied by 160 lattice, and the size of the visible window is 58mm multiplied by 58 mm; the matching function of the displayed picture and the keys can be flexibly adjusted according to different requirements of users.
The USB HOST module is connected with the edge agent controller by adopting a USB, is a standard USB2.0 HOST port, can be used for storage, and can be expanded into various modules according to project and user requirements, such as a USB-to-WIFI module, a USB-to-Bluetooth module, a USB-to-UART module, a USB standard power supply and other USB standard modules, and has high expandability and strong flexibility.
The single-core special control ESAM chip is connected with the edge agent controller by adopting the SPI, and provides a safe hardware platform for a controller safety module, namely a TESAM (Terminal Embedded Secure Access Module) which is installed in the edge agent controller equipment and used as a safety authentication module of the equipment. The module is internally provided with the SM1, SM2, SM3 and other cryptographic algorithms, so that various functions of data encryption, decryption, signature verification, identity authentication, access authority control, communication line protection and the like can be realized, and the safety of data storage, transmission and interaction of the controller equipment is ensured.
USBx5 function module adopts standard USB2.0 interface to be connected with marginal agent controller, and same interface and protocol adopt the modular design can connect 5 USB function modules simultaneously, uses different function modules according to user's demand: performing information interaction with the intelligent energy service platform through 4G/5G wireless communication; the control of the distribution station environment is realized through remote signaling and remote measuring; the energy router is connected through HPLC communication, a power utilization adjusting strategy is analyzed and formulated according to data uploaded by the energy router and big data of the intelligent energy service platform, the power utilization strategy is issued to the energy router, and meanwhile, the power utilization strategy is adjusted in time according to the power utilization of the whole platform area, and user requirements collected by the energy router are adjusted in time; the CAN functional module is generally used for an energy storage system or a vehicle-mounted communication interface; through RS485 communication or other interfaces, intelligent equipment in the power distribution station is acquired, the terminal sensing functions of the environment in the power distribution station, the state of a transformer, the state of a switch and the like are realized, and the safe and stable operation of distribution networks in various areas is guaranteed. Other functional modules can be developed and designed according to customers or use scenes, and the following two typical architectures are adopted.
In another embodiment, an exemplary architecture of an optional module, shown in fig. 3, is part of a controller and is connected to the controller in the form of pins. Two 4G private network communications are respectively in access power consumption information acquisition main website and wisdom energy control system.
The local HPLC is communicated with an energy router;
a CAN module: for an energy storage device;
RS 485: the method can be communicated with a transformer area general table to obtain the current load condition of the transformer in the transformer area.
In another embodiment, a typical architecture of the optional module is shown in fig. 4, wherein 4G private network communication is accessed to the smart energy control system;
the local HPLC is communicated with an energy router;
a remote signaling module: the control device is used for controlling the distribution box;
RS 485: the system can communicate with a distribution room general table to obtain the current load condition of a distribution room transformer;
RS 485: can communicate with block terminal humiture module, acquire platform district environmental parameter.
In another embodiment, the software design of the edge proxy controller is composed as shown in FIG. 5 below: the utility model discloses an orderly charging of electric automobile battery charging outfit supplies the equipment to support. The orderly charging can be realized only by utilizing the edge proxy controller. The realization method is that the edge agent communicates with the energy router and the platform, and the router is made to control the charging power, the starting and stopping time and the like of the equipment by issuing a charging plan to the router.
The utility model discloses be connected with the cloud backstage through the 4G link to last, communicate with the energy router through hplc down. The protocol uses an object-oriented 698 protocol, and user data is encrypted by esam and then transmitted in a ciphertext mode. After power-on, the controller scans the peripheral equipment, and two threads are used for logging in the background and carrying out router file management. And the program responsible for logging in the background firstly queries whether the bottom layer 4G link is ready, and logs in the cloud background after confirming that the bottom layer 4G link is ready. And after the cloud background is successfully logged in, marking the login state so as to facilitate the main program to carry out the next operation. When other applications can not communicate normally, the event which can not communicate is sent to the thread, at the moment, the thread can change the login state, and the event is forwarded to the bottom layer program, so that the bottom layer maintains the network state. The thread that performs router profile management sends cco the router profile. And after finishing networking, polling the router in the archive, and marking the networking state of the router. When a single router cannot collect the data, the router is considered to be failed, and the failed router is submitted in real time by a thread for processing the failure. If all routers cannot collect the data, the module controlling the end is considered to be in fault, and power-off and networking operation is carried out on cco. The energy control main program is responsible for forwarding a charging plan list and a charging plan adjusting list which are made by the main station according to a charging application submitted by a user. When the link problem occurs in the submitting process, an abnormal event is sent to enable the corresponding thread to process the abnormity. And if the control slave energy router receives a charging application submitted by the user, the user is considered to be disconnected from the master station, and the controller formulates a charging plan according to a local default strategy. When there is no charging plan or charging application, the energy control performs other daily processes.
1. The method has the local edge calculation and analysis capability of the transformer area and the sensing capability of sensor information;
2. receiving user side power consumption requirements uploaded by an energy router through a broadband carrier module;
3. the power utilization strategy is automatically generated, and the requirements of the responding customers are timely processed;
4. balancing and processing the power utilization strategy and the user requirement issued by the intelligent energy service platform;
5. modular design of USB communication interface mode.
In another embodiment, referring to fig. 1, the edge proxy controller accesses the intelligent energy service platform in a TCP/IP manner through 4G/5G wireless communication or wired communication methods such as optical fiber, and performs information interaction based on MQTT communication protocol;
the edge agent controller is provided with a carrier communication module, namely an HPLC module, and the carrier communication module configured by the module and the energy router is used for information transmission through the existing power line network;
the edge agent controller receives a daily charging plan from the intelligent energy service platform, and works out a regulation strategy of the load electricity utilization of the station area according to the perception information of the equipment at the side of the station area.
The perception information not only comprises perception of the environmental information at the side of the platform area, but also covers information such as collected data transmitted by the energy router;
a user initiates an ordered energy utilization request to a smart energy service platform through an APP, the smart energy service platform converts the request into a control command and sends the control command to an edge agent controller, the edge agent controller analyzes the energy utilization condition of the whole platform area in real time, and forwards the control command to an energy router for execution after protocol conversion, so that the functions of power regulation, charging starting, charging stopping and the like are realized, wherein the parameters of the power regulation are set by the edge agent controller; the specific implementation method comprises the following steps: the router has the function that the router and the charging pile are communicated, the PWM wave duty ratio output by the charging pile is controlled through a command to inform a vehicle-mounted charger of the electric automobile, and the vehicle-mounted charger can adjust the power of the vehicle-mounted charger according to the PWM duty ratio, so that the output power of the pile is adjusted. Startup and shutdown, that is, the router starts and stops at fixed points in time according to the charging schedule of the controller.
In special cases, the edge agent controller monitors the energy utilization condition of the whole distribution area in real time:
when the connected energy router is found to be offline, the intelligent energy service platform is informed that the equipment is disconnected;
when fault information from the energy controller or fault information of the charging pile is received, correcting the execution condition of the control strategy, issuing a new power regulation plan in time and forwarding the new power regulation plan to the platform end;
when the connection between the edge agent controller and the platform or the energy router is interrupted for more than a certain time, the energy router still supports Bluetooth communication to link the user request;
the edge agent controller receives data such as remote signaling and remote measuring sent by the energy router, and feeds back an operation result to the intelligent energy service platform according to a formulated strategy, and the intelligent energy service platform receives the operation result and then pushes the operation result to a user.
In another embodiment, it is further disclosed that the USB functional modules each satisfy the following interface definitions:
referring to fig. 6, the power supply of the USB functional module is controlled by a control signal to support the hard restart of the USB functional module.
Referring to fig. 7, the differential signal and power supply are protected at the terminal, so that the functional module is not damaged during hot plug.
The USB functional module meeting the hardware design can be inserted into different modules according to application scenes, such as: the up-going adopts the 4G module, down adopts CAN communication, just CAN increase these two modules, and the controller adopts CAN communication with exchanging the stake, and the controller adopts 4G communication's mode with the backstage, realizes orderly power consumption scene.
The above embodiment of the present disclosure improves the requirement that the module can be replaced at will according to the application scenario, and improves the requirement that the multi-core function of the controller can perform edge calculation.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (13)
1. Edge agent controller based on platform district side wisdom management, characterized by includes: the central processing module is respectively communicated with the voltage acquisition module, the current acquisition module, the network communication module and the function module to realize data interaction;
the voltage acquisition module and the current acquisition module are used for acquiring data of the low-voltage user electric energy meter and sending the data to the central processing module, and the central processing module is sent to the master station through the network communication module;
and the terminal of the functional module is provided with a protection circuit for ensuring that the functional module is not damaged during hot plugging.
2. The edge proxy controller based on intelligent management at the station side as claimed in claim 1, wherein the function module comprises a high-speed carrier module, a data interface module, a wireless network communication module, and a remote signaling/telemetry module.
3. The edge proxy controller based on intelligent management on the cell side as claimed in claim 1, wherein the network communication module is connected with the central processing module through an RJ45 network port to implement communication function.
4. The edge proxy controller based on intelligent management on the station side as claimed in claim 1, further comprising a data interface module, a memory module, and a storage module respectively connected to the central processing module.
5. The edge proxy controller based on intelligent management on the cell side as claimed in claim 4, wherein the memory module is a DDR3 standard memory chip.
6. The edge proxy controller based on intelligent management on the station side as claimed in claim 4, wherein the storage module stores the data collected by the voltage collection module and the current collection module.
7. The edge proxy controller based on intelligent management on the station side as claimed in claim 4, wherein the memory module is a nand flash memory chip.
8. The edge agent controller based on the intelligent management of the platform side as claimed in claim 1, wherein the central processing module is connected with a key input module, the key input module is connected with the central processing module by adopting GPIO-PU pin general I/O, and the operation of keys is provided in a control panel of the central processing module, which is respectively an upper key, a lower key, a left key, a right key and a system key, and is matched with a display screen for use.
9. The edge proxy controller based on intelligent management on the station side as claimed in claim 1, wherein the central processing module further communicates with a display module, and the display module employs LCD.
10. The edge proxy controller based on intelligent management on the station side as claimed in claim 2, wherein the high speed carrier module is a carrier module of HPLC specification.
11. The edge proxy controller based on intelligent management on the station side as claimed in claim 2, wherein the data interface module is a data interface chip of RS485 specification.
12. The edge proxy controller based on intelligent management on the station side as claimed in claim 2, wherein the wireless network communication module is a wireless network communication chip of 4G/5G specification.
13. An edge agent control system based on intelligent management at a station side, which is characterized by comprising an edge agent controller according to any one of claims 1 to 12, wherein the controller is respectively connected to an electricity consumption information acquisition main station and an intelligent energy control system;
the controller is communicated with the distribution room general table, and the current load condition of the distribution room transformer is acquired and transmitted to the power consumption information acquisition main station and the intelligent energy control system respectively.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113972931A (en) * | 2021-09-10 | 2022-01-25 | 江苏方天电力技术有限公司 | Digital platform area real-time data acquisition system and method |
| CN114274821A (en) * | 2021-11-30 | 2022-04-05 | 南瑞集团有限公司 | Intelligent alternating-current charging and discharging pile |
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2020
- 2020-07-30 CN CN202021551970.8U patent/CN212965788U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113972931A (en) * | 2021-09-10 | 2022-01-25 | 江苏方天电力技术有限公司 | Digital platform area real-time data acquisition system and method |
| CN113972931B (en) * | 2021-09-10 | 2023-08-04 | 江苏方天电力技术有限公司 | Digital transformer area real-time data acquisition method |
| CN114274821A (en) * | 2021-11-30 | 2022-04-05 | 南瑞集团有限公司 | Intelligent alternating-current charging and discharging pile |
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Address after: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Patentee after: Shandong luruan Digital Technology Co.,Ltd. smart energy branch Address before: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Patentee before: Shandong Luneng Software Technology Co.,Ltd. intelligent electrical branch |