CN213906954U

CN213906954U - Edge computing Internet of things gateway

Info

Publication number: CN213906954U
Application number: CN202023278602.3U
Authority: CN
Inventors: 潘群; 杲靖; 叶鸿; 袁晓宇
Original assignee: Changzhou Senpu Information Technology Co ltd
Current assignee: Changzhou Senpu Information Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-08-06
Anticipated expiration: 2030-12-29

Abstract

The utility model provides an edge calculation thing networking gateway, including ARM core module, electrically connected with storage module, temperature module, watchdog module, debugging module and interface module on the ARM core module, storage module includes SD module and RTC EEPROM module, interface module includes ethernet module, USB module, RS-485 module, two mPCIE modules, man-machine interface module and relay module, ethernet module, RS-485 module and two mPCIE modules all are connected to ARM core module through the USB module; the design of gigabit Ethernet is realized through a USB 2.0 interface, and the effect is to improve the network transmission rate on the basis of the existing hardware platform.

Description

Edge computing Internet of things gateway

Technical Field

The utility model belongs to the technical field of the thing networking, concretely relates to edge calculation thing networking gateway.

Background

In recent years, rapid development of computer technology, artificial intelligence technology, sensor network technology and communication technology has promoted continuous significant progress of internet of things technology. The gateway of the Internet of things is used as important equipment for realizing 'everything interconnection', can realize seamless connection between terminal sensing network equipment of the Internet of things and the Internet, and is a link for connecting the sensing network and a traditional communication network. The gateway of the internet of things can also realize the monitoring of actuator equipment and the analysis, calculation, storage and management of localization, and plays a very important role in the future era of the internet of things. The rapid development of the internet of things prompts the rise and development of edge computing technology, and more than 70% of data and applications will be generated and processed at the edge in the future. Due to the huge market scale, research institutions of all walks of life are promoted to be put into the research of edge calculation. At present, all application scenes such as intelligent buildings, intelligent homes, industrial internet of things and intelligent car networking have silhouettes with edge calculation, and all manufacturers have corresponding solutions in the fields.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an edge computing Internet of things gateway to solve the problem that a great number of different types of Internet of things equipment need to be accessed into a communication network along with the rapid development of electronic technology; most of the existing internet of things gateways only aim at a certain specified field and still have no flexibility and universality. Secondly, the access modes provided by the devices are single, and the interfaces are not rich enough, so that the requirements of simultaneously accessing a large number of devices of different types cannot be met; in addition, the current gateway of the internet of things has the problems of complex design, low development efficiency and the like.

The utility model provides a following technical scheme:

the utility model provides an edge calculation thing networking gateway, includes ARM core module, electric connection has storage module, temperature module, watchdog module, debugging module and interface module on the ARM core module, storage module includes SD module and RTC EEPROM module, interface module includes ethernet module, USB module, RS-485 module, two mPCIE modules, human-computer interface module and relay module, ethernet module, RS-485 module and two mPCIE modules all are connected to ARM core module through the USB module.

Preferably, the USB module includes a USB expander, the USB expander is connected to a USB to gigabit ethernet controller, a USB to serial converter, and a USB to PCIE adapter, and the USB to gigabit ethernet controller, the USB to serial converter, and the USB to PCIE adapter are respectively used to connect the ethernet module, the RS-485 module, and the dual mPCIe module.

Preferably, the USB gigabit ethernet controller includes a USB controller and an ethernet controller, the ethernet controller includes a FIFO controller, two static random access memories are built in the FIFO controller, the two static random access memories are respectively used for data transmission and data reception, the transmission buffer receives the data packet from the USB controller, and the data packet is parsed into an ethernet data frame by the FIFO controller and is processed by the ethernet controller, and the ethernet data frame stores the data into the reception buffer after being processed by the reception filter engine.

Preferably, the ARM core module comprises an ARM processor, and the ARM processor comprises a memory, a storage, a USB interface, a GPIO interface and an I²C interface, UART interface, SD interface and SPI interface.

Preferably, the USB interface is a USB 2.0 interface.

The utility model has the advantages that:

the utility model discloses an edge computing Internet of things gateway, which realizes the design of gigabit Ethernet through a USB 2.0 interface; the effect is that the network transmission rate is improved on the basis of the existing hardware platform; secondly, a core module design scheme is adopted, so that the design difficulty is reduced, the development efficiency is improved, the research and development speed is accelerated, and the product life cycle is prolonged; and the multi-path RS-485 interface is expanded through the USB interface. The effect is that the RS-485 interface is added, so that the gateway of the Internet of things can be accessed into more Internet of things devices.

Drawings

The accompanying drawings 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 and not to limit the invention. In the drawings:

FIG. 1 is a diagram of an edge computing Internet of things gateway architecture;

FIG. 2 is a schematic diagram of an ARM core module;

fig. 3 is a schematic diagram of a gigabit ethernet implementation.

Detailed Description

As shown in figure 1, an edge computing Internet of things gateway comprises an ARM core module, wherein the ARM core module is electrically connected with a storage module, a temperature module, a watchdog module, a debugging module and an interface module, the storage module comprises an SD module and an RTC/EEPROM module, the interface module comprises an Ethernet module, a USB module, an RS-485 module, a double mPCIE module, a human-computer interface module and a relay module, and the Ethernet module, the RS-485 module and the double mPCIE module are connected to the ARM core module through the USB module.

As shown in FIG. 2, the ARM core module includes an ARM processor, and the ARM processor includes a memory, a storage, a USB interface, a GPIO interface, and an I²The system comprises a C interface, a UART interface, an SD interface and an SPI interface; the USB interface is a USB 2.0 interface. The Ethernet module, the double mPCIE module and the RS-485 module are connected with the ARM core module through the USB module; the RTC/EEPROM module and the temperature module are connected with the ARM core module through an I2C interface; the relay module and the man-machine interface module are connected with the ARM core module through the GPIO interface; the SD module is connected with the ARM core module through an SD interface; the watchdog module is directly connected with the ARM core module.

The double mPCIE module can expand interfaces such as Bluetooth, Wi-Fi, LoRa, 2G/3G/4G/5G and the like, and can realize rich wireless access interfaces. The dual mPCIE module of the Internet of things gateway hardware platform comprises an mPCIE full-size interface and an mPCIE half-size interface; the RS-485 module is mainly used for connecting equipment of an RS-485 serial communication protocol (such as a Modbus protocol). In the design, a USB interface expanded by a USB module is required to be utilized, and 4 serial ports are expanded by a USB-to-UART chip; the relay module can perform on-off control on equipment connected to the Internet of things gateway and is mainly realized by using GPIO of the Internet of things gateway; the man-machine interface module is an interface of input and output equipment for establishing contact and exchanging information between a person and a machine; the SD module provides an external storage interface for the edge gateway, and the storage space up to 128G can be expanded by installing an SD card; the RTC/EPPROM module adopts a real-time clock chip with an EEPROM memory and is mainly used for recording time and storing hardware information of the internet gateway; the temperature module is used for monitoring the temperature of the gateway of the Internet of things in real time; the debugging module is an important interface for debugging the gateway of the Internet of things, mainly comprises a COM port and is used for outputting logs in the starting process of the gateway of the Internet of things; the power supply module provides a stable power supply for the gateway of the Internet of things; the watchdog module ensures the usability of the gateway of the internet of things.

The USB module is an important component of an edge gateway hardware platform, and an Ethernet module, an RS-485 module and a double mPCIE module in the hardware platform are obtained by expanding the USB module, so that the design of the USB module is very important. The USB module expands a USB port from a USB port of the ARM core module, so that the gateway of the Internet of things can support more interface protocols.

As shown in fig. 3, the USB module includes a USB expander, the USB expander is connected with a USB to gigabit ethernet controller, a USB to serial converter, and a USB to PCIE adapter, and the USB to gigabit ethernet controller, the USB to serial converter, and the USB to PCIE adapter are respectively used to connect the ethernet module, the RS-485 module, and the dual mPCIe module; the USB gigabit Ethernet controller comprises a USB controller and an Ethernet controller, the Ethernet controller comprises an FIFO controller, two static random access memories which are respectively used for data transmission and data reception are arranged in the FIFO controller, a transmission buffer area receives a data packet from the USB controller, the data packet is analyzed into an Ethernet data frame through the FIFO controller and is processed by the Ethernet controller, and the Ethernet data frame is processed by a receiving filter engine and then stores the data into a receiving buffer area. Thus, a USB 2.0-based gigabit ethernet is implemented using a USB gigabit ethernet controller.

In order to improve the usability of the gateway of the internet of things, the gateway of the internet of things is provided with a watchdog module, the gateway of the internet of things is started to execute a 'dog feeding' operation to the watchdog module regularly, and after the set time limit is exceeded and no dog is fed, the gateway of the internet of things is reset and restarted to realize an automatic recovery function, namely, the gateway of the internet of things can be automatically recovered to a normal working state from a fault or an abnormality. In order to realize the data storage function, the data gateway is provided with a data storage module which comprises an SD module and an EEPROM (electrically erasable programmable read-only memory) and is specially used for storing acquired data and gateway hardware information, and the data gateway can support a 128GB SD card to the maximum extent and provide enough space for data storage.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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.

Claims

1. The utility model provides an edge calculation thing networking gateway, its characterized in that, includes ARM core module, electric connection has memory module, temperature module, watchdog module, debugging module and interface module on the ARM core module, memory module includes SD module and RTC EEPROM module, interface module includes ethernet module, USB module, RS-485 module, two mPCIE modules, man-machine interface module and relay module, ethernet module, RS-485 module and two mPCIE modules all are connected to ARM core module through the USB module.

2. The edge computing internet of things gateway of claim 1, wherein the USB module comprises a USB extender, the USB extender is connected with a USB to gigabit ethernet controller, a USB to serial converter, and a USB to PCIE adapter card, and the USB to gigabit ethernet controller, the USB to serial converter, and the USB to PCIE adapter card are respectively used for connecting the ethernet module, the RS-485 module, and the dual mPCIe module.

3. The edge computing internet of things gateway of claim 2, wherein the USB gigabit ethernet controller comprises a USB controller and an ethernet controller, the ethernet controller comprises a FIFO controller, two static random access memories are built in the FIFO controller for data transmission and data reception, the transmission buffer receives the data packet from the USB controller, and parses the data packet into ethernet data frames through the FIFO controller and processes the ethernet data frames by the ethernet controller, and the ethernet data frames store data in the reception buffer after being processed by the reception filter engine.

4. The edge computing internet of things gateway of claim 1, wherein the ARM core module comprises an ARM processor, and the ARM processor comprises a memory, a storage, a USB interface, a GPIO interface, an I C interface, a UART interface, an SD interface, and an SPI interface.

5. The edge computing internet of things gateway of claim 4, wherein the USB interface is a USB 2.0 interface.