Intelligent controller for Internet of Things
By adopting the HarmonyOS operating system and multi-protocol fusion design in the IoT controller, the problem of the single communication protocol of the existing controller is solved, realizing multi-device compatibility and industrial-grade protection, strong scalability, and adaptability to various environments.
Patent Information
- Application Number
- CN202520774911.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-22
AI Technical Summary
Existing IoT controllers use a single communication protocol, resulting in poor compatibility and an inability to directly connect to and manage multiple devices.
Design an IoT smart controller that uses the HarmonyOS operating system and the RHY IoT Device SDK main control chip, integrates a Bluetooth module, supports multiple communication protocols, and has fiber optic Ethernet, RS-485, DI/DO, and AI/AO interfaces. It is equipped with an aluminum alloy or stainless steel shell and a split flame-retardant sponge pad to achieve multi-protocol integration and industrial-grade protection.
It achieves multi-protocol integration, supports the connection and management of various devices, has good compatibility, industrial-grade protection, adapts to a wide range of temperature and environmental conditions, has strong scalability, supports remote OTA upgrades and modular design.
Smart Images

Figure CN223926784U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of controller technology, specifically to an intelligent controller for the Internet of Things. Background Technology
[0002] In recent years, the Internet of Things (IoT) has become widespread in daily life. How to better integrate IoT front-end products using IoT controllers has become a hot research topic for various manufacturers. Manufacturers of various front-end products are rushing to launch IoT devices. However, due to the different interfaces and communication protocols of different brands of devices, and the fact that existing smart controllers have a single communication protocol, external terminal blocks are needed to adapt to multiple interfaces, resulting in poor compatibility and the inability to directly connect and manage multiple devices. Utility Model Content
[0003] To address the shortcomings of existing technologies, the technical problem solved by this utility model is to provide an intelligent controller for the Internet of Things, which solves the problem of the single communication protocol of existing controllers.
[0004] To solve the above problems, the technical solution adopted by this utility model is as follows: an intelligent controller for the Internet of Things, including a motherboard and a shell. The motherboard is equipped with a main control chip and a Bluetooth module that are running the HarmonyOS operating system and integrating the RHY IoT Device SDK. The motherboard is equipped with a fiber optic Ethernet LAN interface, an RS-485 interface, a DI / DO interface, and an AI / AO interface. The Bluetooth module, fiber optic Ethernet LAN interface, RS-485 interface, DI / DO interface, and AI / AO interface are electrically connected to the main control chip and support Modbus, MQTT, TCP, UDP, and HTTP communication protocols. The shell is equipped with mounting ports for each interface and a removable dust cover. The dust cover covers the mounting port. The shell is equipped with a sponge pad, and the connection cable between the controller and the device is connected to each interface through the sponge pad.
[0005] Furthermore, the fiber optic Ethernet LAN interface has two ports, the RS-485 interface has two ports, and the DI / DO interface and AI / AO interface have several ports.
[0006] Furthermore, the Bluetooth module uses the BLE 5.0 communication protocol.
[0007] Furthermore, the fiber optic Ethernet LAN interface uses the Modbus-TCP communication protocol, and the RS-485 interface is compatible with the Modbus-RTU / ASCII communication protocol, supporting both Master and Slave.
[0008] Furthermore, the outer casing is made of aluminum alloy or stainless steel, and the dust cover is installed on the casing using screws.
[0009] Furthermore, the sponge pad has a split structure, with part of it set on the outer shell and part of it set on the dust cover. The sponge pad is made of flame-retardant sponge material.
[0010] The beneficial effects of this plan are as follows:
[0011] 1. Equipped with a communication interface array, featuring an intelligent main control system, adopting the HarmonyOS operating system, integrating the RHYIoTDevice SDK, using a multi-protocol fusion architecture, supporting Modbus, MQTT, TCP, UDP, and HTTP communication protocols, and featuring interfaces for multiple communication protocols, including a wireless Bluetooth communication module, achieving full protocol coverage for wired / wireless and digital / analog signals. The controller can simultaneously connect to and manage multiple devices, offering good compatibility.
[0012] 2. Industrial-grade protection: The aluminum alloy / stainless steel shell has an IP54 protection rating. The split flame-retardant sponge pad can effectively prevent dust accumulation at the interface, improving dustproof efficiency by 90%. It can operate in temperatures ranging from -40℃ to 85℃ and is suitable for various industrial scenarios.
[0013] 3. Strong expandability: Multiple DI / DO and AI / AO interfaces support various industrial signal access; the protocol stack can be remotely upgraded via OTA; it supports future protocol expansion; and the modular design facilitates function expansion and maintenance. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the motherboard of this utility model;
[0015] Figure 2 This is a schematic diagram of the outer shell structure of this utility model;
[0016] In the diagram: 1-outer shell, 2-dust cover, 3-sponge pad, 4-screw. Detailed Implementation
[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0018] Implementation, for example, attached Figures 1 to 2As shown: An intelligent controller for the Internet of Things (IoT) includes a motherboard and a housing 1. The motherboard houses a main control chip and a Bluetooth module. The Bluetooth module uses the BLE 5.0 communication protocol, featuring low power consumption, small size, and stable data transmission. The motherboard also includes a fiber optic Ethernet LAN interface, an RS-485 interface, a DI / DO interface, and an AI / AO interface. The Bluetooth module, fiber optic Ethernet LAN interface, RS-485 interface, DI / DO interface, and AI / AO interface are electrically connected to the main control chip. The main control chip runs on the HarmonyOS operating system and integrates the RHY IoT Device. The SDK supports Modbus, MQTT, TCP, UDP, and HTTP communication protocols, and is suitable for connecting and communicating with various devices. It can realize functions such as device management, certificate management, log management, device control, and data reporting. The outer shell 1 is provided with mounting ports for each interface and a removable dust cover 2. The dust cover 2 covers the mounting ports. The outer shell 1 is provided with a sponge pad 3, which is made of flame-retardant sponge. The connection cable between the controller and the device is connected to each interface through the sponge pad 3. The outer shell 1 is made of aluminum alloy or stainless steel. The dust cover 2 is installed on the outer shell 1 using screws 4. The sponge pad 3 has a split structure, with part of it on the outer shell 1 and part of it on the dust cover 2, which facilitates the installation of cables. After the cable is connected to the interface, the dust cover 2 is installed so that the sponge pad 3 wraps around the cable and prevents dust from entering the interface.
[0019] The device features two fiber optic Ethernet LAN interfaces, two RS-485 interfaces, and several DI / DO and AI / AO interfaces. The fiber optic Ethernet LAN interfaces use the Modbus-TCP communication protocol, and the RS-485 interfaces use the Modbus-RTU / ASCII communication protocol. It supports both Master and Slave modes, allowing for the connection of multiple devices, enabling data transmission and control functions, ensuring stable and reliable data flow, and direct connection to multiple devices without the need for external terminal blocks or relays. The maximum control output load can reach 1100W. It is equipped with both AC and DC power interfaces, supporting dual power supply modes (AC220V or DC24V), flexibly adapting to both high-voltage and low-voltage power needs without requiring additional power supply equipment.
[0020] The main control chip's processor can be a GD32F470VIT6, featuring a 32-bit core, 32-bit registers, a 32-bit memory interface, and a 32-bit internal data path, with a processing speed of 216MHz, capable of handling data processing from multiple devices. It incorporates an embedded AI inference engine, integrating a high-performance tinyML framework, and is paired with a wireless maintenance app to support wireless monitoring, wireless control, fault diagnosis, and operation and maintenance. A web server supports remote access, data visualization, remote diagnostics, and remote upgrades. Data is stored using an SD card with a maximum capacity of 32GB. The processor operates in an environment with a temperature range of -40℃ to 85℃ and a humidity range of 5% to 95%RH (non-condensing), exhibiting high resistance to shock and vibration, and a maximum communication transmission distance of up to 20 kilometers, making it widely applicable.
[0021] The above descriptions are merely embodiments of this utility model, and common knowledge regarding specific structures and characteristics is not elaborated upon here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of this utility model, and these should also be considered within the scope of protection of this utility model. These modifications will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application shall be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.
Claims
1. A smart controller for Internet of Things, comprising a mainboard and a shell, wherein the mainboard is provided with a master control chip loaded with a Hongmeng operating system and integrated with an RHY IoT Device SDK and a Bluetooth module, characterized in that: The mainboard is provided with a fiber Ethernet LAN interface, an RS-485 interface, a DI / DO interface and an AI / AO interface, the Bluetooth module, the fiber Ethernet LAN interface, the RS-485 interface, the DI / DO interface and the AI / AO interface are electrically connected with the main control chip, support modbus, MQTT, TCP, UDP, HTTP communication protocol, the shell is provided with the installation port of each interface and the detachable dust cover, the dust cover covers the installation port, the shell is provided with a sponge pad, the connection cable between the controller and the equipment passes through the sponge pad and is connected with each interface.
2. The intelligent controller for IoT as claimed in claim 1, wherein: The fiber Ethernet LAN interface is two-way, the RS-485 interface is two-way, and the DI / DO interface and the AI / AO interface are several ways.
3. The intelligent controller for IoT as claimed in claim 1, wherein: The Bluetooth module is a BLE5.0 communication protocol.
4. The intelligent controller for IoT as claimed in claim 1, wherein: The fiber Ethernet LAN interface is a Modbus-TCP communication protocol, the RS-485 is compatible with Modbus-RTU / ASCII communication protocol, and supports Master and Slave.
5. The intelligent controller for IoT as claimed in claim 1, wherein: The shell material is aluminum alloy or stainless steel, and the dust cover is installed on the shell by using screws.
6. The intelligent controller for IoT as claimed in claim 1, wherein: The sponge pad is a split structure, part of which is arranged on the shell and part of which is arranged on the dust cover, and the sponge pad is a flame-retardant sponge material.