Safe ad hoc network charging pile modular assembly and system

Abstract

The invention discloses a secure ad hoc network charging pile modular assembly and a secure ad hoc network charging pile system, and relates to the technical field of communication technologies and charging piles. The modularized assembly comprises a power supply module, a charging module, a control module, an interface module, an intelligent management module, a sensing module, a communication networking module, a safety protection module, a display and alarm module and the like. The safe ad hoc network charging pile system comprises a plurality of modular assemblies, routers, a coordinator and a remote monitoring center, more than one modular assembly is connected with the routers, the routers are communicated with the coordinator after networking, and the coordinator and the remote monitoring center perform data interaction through a wireless network. The module has the advantages of flexibility in expansion, convenience in use and the like.

Description

Technical Field

[0001] The present invention relates to the fields of communication technology and charging pile technology, and in particular to a secure self-organizing network charging pile modular component and system. Background Art

[0002] Electric vehicles, the epitome of new energy vehicles, are gaining increasing popularity due to their environmentally friendly, convenient, and economical features. Charging piles, the devices that recharge electric vehicles, are also in increasing demand. However, their structural characteristics dictate that automated communication systems are characterized by numerous and dispersed distribution points, wide coverage, and short communication distances. As charging piles are added to service areas, shopping malls, residential communities, and other areas, ensuring reliable communication between each charging pile, flexible expansion within the work area, and efficient and convenient management are crucial technical challenges. Summary of the Invention

[0003] The technical problem to be solved by the present invention is how to provide a modular component and system of a safe ad hoc charging pile with flexible expansion and convenient use.

[0004] To solve the above technical problems, the technical solution adopted by the present invention is: a modular component of a secure ad hoc charging pile, comprising:

[0005] The control module is responsible for coordinating the charging process, identifying the vehicle model and adapting the charging parameters to achieve charging start and stop control;

[0006] The interface module is used to connect the charging gun to the vehicle's charging port and complete the interaction protocol between the vehicle and the charging pile;

[0007] Intelligent management module, used to integrate relevant data, optimize charging strategies, obtain real-time status of charging piles, and interact with the power grid;

[0008] The sensing module collects environmental parameters in real time to prevent device overheating or environmental anomalies, and monitors data fluctuations during charging to ensure battery safety.

[0009] Communication networking module, used to interact with the vehicle via the CAN bus and connect to the meter via RS485. The 4G / 5G module supports cloud data transmission and user APP interaction;

[0010] Safety protection module, used to cut off power supply in case of abnormality to prevent equipment damage or fire, and ensure personnel operation safety through insulation detection and grounding protection;

[0011] The display and alarm module is used to display the charging progress, cost, fault code, guide user operation, and when an abnormality occurs, it will prompt the abnormality through sound and light alarms and send text messages, and locate the fault;

[0012] The power module is responsible for providing stable voltage and current to each functional module;

[0013] The charging module is used to convert the input electrical energy into electrical energy acceptable to the electric vehicle.

[0014] An embodiment of the present invention also discloses a safe self-organizing network charging pile system, which includes several of the modular components, as well as a router, a coordinator and a remote monitoring center. More than one modular component is connected to the router, and multiple routers communicate with the coordinator after networking. The coordinator and the remote monitoring center exchange data through a wireless network.

[0015] The beneficial effects of adopting the above technical solution are: the charging piles described in this application can adopt a modular design, reducing the upgrade and iterative research and development cycle, while facilitating modular production and repair and maintenance. Independent modular components can monitor the working status of each functional module in real time and provide alarm information when necessary. Flexible and secure self-organizing networks can be established between each modular component and between charging piles to construct multiple network links, reduce the occurrence of sudden network disconnections in a single network, and ensure normal network communication. The network structure can be controlled by power adjustment, security protocols, etc. to ensure safe and reliable management of new modules or new charging piles added to the local area network. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0017] Figure 1 is a principle block diagram of the modular components described in an embodiment of the present invention;

[0018] Figure 2 is a principle block diagram of the system according to an embodiment of the present invention;

[0019] Among them: 1. Remote monitoring center; 2. Coordinator; 3. Router; 4. Modular components. DETAILED DESCRIPTION

[0020] The following is a clear and complete description of the technical solutions in the embodiments of the present invention, in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts are within the scope of protection of the present invention.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0022] like Figure 1 As shown, an embodiment of the present invention discloses a modular component of a safe self-organizing network charging pile, which includes: a power module, a charging module, a control module, an interface module, an intelligent management module, a perception module, a communication networking module, a safety protection module, a display and alarm module, etc.

[0023] The power module mainly includes modules such as voltage transformation, rectification, filtering, and voltage stabilization, which are responsible for providing stable voltage and current to each functional module.

[0024] The charging module, consisting primarily of a transformer, rectifier, charge controller, inverter, chopper, current sensor, and temperature sensor, is responsible for converting input electrical energy into energy acceptable to the electric vehicle. Depending on the type of charging station, its internal structure and included modules vary.

[0025] The control module is a core component, consisting of a main control chip, a charging controller, memory, and other key components. It is responsible for controlling and managing the entire charging pile, collecting various charging pile data and reporting it to the management platform. It also provides visibility into the charging pile's operating status, charging history, and fault alarms.

[0026] The interface module includes a charging gun (including connection terminals and cables), a gun holder, and a vehicle communication interface. By connecting the charging gun to the vehicle's charging port, a handshake protocol is completed between the vehicle and the charging station, ensuring the stability and safety of power transmission.

[0027] The intelligent management module consists of a cloud management platform, an edge computing gateway, and intelligent algorithm modules (such as AI fault prediction). It integrates relevant data from sensors and communication modules to optimize charging strategies. It obtains real-time information on charging pile status and interacts with the power grid to implement peak load shaving and valley load shifting.

[0028] The sensing module includes temperature sensors, current / voltage sensors, humidity sensors, smoke detectors, etc. By collecting parameters such as temperature and humidity in real time, it prevents device overheating or environmental abnormalities, ensuring safe use of the device. At the same time, it monitors current and voltage fluctuations during the charging process to ensure battery safety.

[0029] The communication networking module consists of a CAN / RS485 isolated transceiver, a 4G / 5G module, and an Ethernet interface. It interacts with the vehicle via the CAN bus and connects to devices such as electric meters via RS485. The 4G / 5G module supports cloud-based data transmission (such as charging records and fault alarms) and user app interaction. The communication networking module connects the charging station to the internet, transmitting charging station data to a cloud platform, enabling remote monitoring and management of the charging station.

[0030] The safety protection module includes a leakage protector, overcurrent / overvoltage protection circuits, lightning protection, and an emergency stop switch. It cuts off power in the event of an overload, short circuit, or other anomalies, preventing equipment damage or fire. Insulation testing and grounding protection ensure operational safety.

[0031] The display and alarm module includes an LCD / LED display, voice prompt unit, status indicator light, and buzzer. It displays charging progress, cost, fault codes, and other information to guide user operation. When an abnormality occurs, it will be notified through audible and visual alarms, text messages, and other means to support fault location.

[0032] The modular components of the secure self-organizing charging pile network can realize the modular management of charging piles, which is convenient for modular production and repair and maintenance. The independent modular components are used to monitor the working status of each functional module in real time and provide alarm information when necessary. The modules and charging piles can flexibly and securely self-organize to construct multiple network links, reduce the occurrence of sudden network disconnection events in a single network, and ensure normal network communication. The network structure is controlled through power adjustment, security protocols, etc. to ensure safe and reliable new modules or new charging piles are added to the local area network for management.

[0033] like Figure 2 As shown, an embodiment of the present invention also discloses a safe self-organizing network charging pile system, including several modular components 4 as described above, as well as a router 3, a coordinator 2 and a remote monitoring center 1. More than one modular component is connected to the router, and multiple routers communicate with the coordinator after networking. The coordinator and the remote monitoring center exchange data through a wireless network.

[0034] First, the ZigBee CC2530 chip is used as the coordinator module. It integrates an AES-128 encryption unit and is deployed as a gateway device in the charging pile management center. It is used to initialize the network (selecting the 902-928MHz band or the 2.4GHz ISM band), assign dynamic PAN IDs, manage node network authentication, and store global encryption keys. The ZigBee CC2530 chip is selected as the router node and deployed at relay points between charging pile clusters or in high-density areas. It dynamically optimizes routes based on RSSI signal strength, encrypts and forwards data, and caches data packets for dormant terminals. It integrates a low-power ZigBee terminal embedded in the charging pile controller and is equipped with a bidirectional metering chip and fault detection sensors. It collects data and senses information, executes start and stop commands, and encrypts and uploads data through the parent node (router or coordinator).

[0035] A secure ad hoc network communication process is then established. To initialize the network, the coordinator scans for clean channels upon startup, generates a network key, and stores it in a security chip. Node access credentials are generated using elliptic curve encryption. After powering on, the router / terminal scans the channel, selects the parent node with the strongest signal, and sends a network access request. Nodes dynamically join the network. After verifying the legitimacy of the certificate, the coordinator assigns a 16-bit short address and issues a temporary session key (refreshed every 30 minutes). The terminal node encrypts charging data using AES-CTR mode, appends a MAC checksum, and uploads it to the coordinator via multi-hop routing. Downlink control instructions are signed by the coordinator, and the router verifies the signature and decrypts and forwards it to prevent man-in-the-middle attacks.

[0036] During implementation, key security enhancement mechanisms can be configured. A global network key is used for broadcast communications, while a derived link key is used for unicast communications. The coordinator maintains a whitelist of devices, supporting real-time removal of blacklisted nodes. FHSS frequency hopping technology is used to automatically switch to an alternate frequency when channel congestion is detected. Spectrum sensing modules are deployed on router nodes to enable DoS protection against anomalous traffic. The coordinator periodically sends network topology detection packets to update the routing table and isolate anomalous nodes.

[0037] This system features an unlimited number of sensors and wireless communication devices, offering flexible throughput. The number of sensors and communication devices can be increased or decreased based on actual needs to accommodate charging pile networks of varying sizes. Multi-level, bidirectional wireless transmission ensures reliable data transmission, easy installation, low cost, and low power consumption, while also ensuring a simple and flexible communication network protocol. This multi-level, bidirectional wireless transmission method effectively improves data transmission reliability while reducing installation costs and power consumption.

Claims

1. A modular component for a secure self-organizing charging pile, characterized by include: The control module is responsible for coordinating the charging process, identifying the vehicle model and adapting the charging parameters to achieve charging start and stop control; The interface module is used to connect the charging gun to the vehicle's charging port and complete the interaction protocol between the vehicle and the charging pile; Intelligent management module, used to integrate relevant data, optimize charging strategies, obtain real-time status of charging piles, and interact with the power grid; The sensing module collects environmental parameters in real time to prevent device overheating or environmental anomalies, and monitors data fluctuations during charging to ensure battery safety. Communication networking module, used to interact with the vehicle via the CAN bus and connect to the electricity meter via RS485. The 4G / 5G module supports cloud data transmission and user APP interaction; Safety protection module, used to cut off power supply in case of abnormality to prevent equipment damage or fire, and ensure personnel operation safety through insulation detection and grounding protection; The display and alarm module is used to display the charging progress, cost, fault code, guide user operation, and when an abnormality occurs, it will prompt the abnormality through sound and light alarms and send text messages, and locate the fault; The power module is responsible for providing stable voltage and current to each functional module; The charging module is used to convert the input electrical energy into electrical energy acceptable to the electric vehicle.

2. The modular component of the secure ad hoc charging pile according to claim 1, characterized in that: The control module includes a main control chip, a charging controller and a memory, which is responsible for coordinating the charging process, identifying the vehicle model and adapting the charging parameters to achieve control of charging start and stop.

3. The modular component of the secure ad hoc charging pile according to claim 1, characterized in that: The interface module includes a charging gun with connecting terminals and cables, a gun holder and a vehicle communication interface. The charging gun is connected to the vehicle charging port to complete the handshake protocol between the vehicle and the charging pile.

4. The modular component of the secure ad hoc charging pile according to claim 1, characterized in that: The intelligent management module includes a cloud management platform, an edge computing gateway and an intelligent algorithm module, which is used to integrate relevant data from sensors and communication modules, optimize charging strategies, obtain the status of charging piles in real time, and interact with the power grid to achieve peak shaving and valley filling functions.

5. The modular component of the secure ad hoc charging pile according to claim 1, characterized in that: The sensing module includes a temperature sensor, a current / voltage sensor, a humidity sensor, and a smoke detector. It collects temperature and humidity parameters in real time to prevent equipment overheating or environmental abnormalities. It also monitors current and voltage fluctuations during the charging process to ensure safe battery operation.

6. The modular component of the secure ad hoc charging pile according to claim 1, characterized in that: The communication networking module includes a CAN / RS485 isolation transceiver, a 4G / 5G module and an Ethernet interface. It interacts with the vehicle through the CAN bus and connects to the electric meter device through RS485. The 4G / 5G module supports cloud data transmission and user APP interaction.

7. The modular component of the secure ad hoc charging pile according to claim 1, characterized in that: The safety protection module includes a leakage protector, an overcurrent / overvoltage protection circuit, a lightning protection device and an emergency stop switch, which is used to cut off the power supply in the event of overload or short circuit.

8. The modular component of the secure ad hoc charging pile according to claim 1, characterized in that: The display and alarm module includes an LCD / LED display, a voice prompt unit, a status indicator light and a buzzer, which are used to display the charging progress, cost and fault code to guide user operation; when an abnormality occurs, the abnormality is prompted through sound and light alarms and text messages.

9. The modular component of the secure ad hoc charging pile according to claim 1, characterized in that: The power supply module includes a transformer module, a rectifier module, a filter module and a voltage stabilization module, which are responsible for providing stable voltage and current to each functional module; the charging module includes a transformer, a rectifier, a charging controller, an inverter, a chopper, a current sensor and a temperature sensor, which are used to convert the input electrical energy into electrical energy that the electric vehicle can accept.

10. A secure ad hoc charging pile system, characterized by: The invention comprises a plurality of modular components (4) as described in any one of claims 1 to 9, and further comprises a router (3), a coordinator (2) and a remote monitoring center (1), wherein one or more modular components (3) are connected to the router, and a plurality of routers are networked to communicate with the coordinator, and data is exchanged between the coordinator and the remote monitoring center via a wireless network.

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