CN210490925U

CN210490925U - Middleware equipment for Internet of things

Info

Publication number: CN210490925U
Application number: CN201920185688.3U
Authority: CN
Inventors: 杨震伦
Original assignee: Guangzhou Panyu Polytechnic
Current assignee: Guangzhou Panyu Polytechnic
Priority date: 2019-02-01
Filing date: 2019-02-01
Publication date: 2020-05-08
Anticipated expiration: 2029-02-01

Abstract

The utility model provides a middleware device of the internet of things, which comprises a main control module, a networking communication module and a lower computer interface module; the main control module comprises a data processing module, a configuration management module, a networking data transceiver module and a lower computer data transceiver module; the lower computer interface module comprises a first UART interface, an IIC interface, a USB interface, an SPI interface and a CAN interface. The utility model discloses an all interfaces all support the function of configuration management for some equipment that does not have the serial ports also can directly dispose thing networking middleware equipment, thereby has effectively improved middleware equipment's application convenience.

Description

Middleware equipment for Internet of things

Technical Field

The utility model belongs to the technical field of the internet of things technique and specifically relates to a thing networking middleware equipment is related to.

Background

The Internet of things middleware can connect numerous Internet of things terminal devices, including control devices and sensors, to the Internet, realize real-time acquisition and monitoring of signals, remotely control equipment and the like, can also realize format conversion of data, and plays an important role in construction of an Internet of things system.

The existing internet of things middleware equipment only comprises default configuration when leaving a factory, and the application site requirements are met by configuring parameters such as IP addresses, working modes and the like on the application site. However, the existing internet of things middleware device generally only supports a single serial port (RS232, RS485, etc.) configuration interface or a dual configuration interface (serial port, network), so that some devices without serial ports cannot directly configure the internet of things middleware device, and most internet of things middleware devices cannot be connected with the network before the initial configuration is completed, so that the internet of things middleware device cannot be used at first through a network configuration method, which limits the application range of the internet of things middleware device.

The prior art all relates to management interface very rarely, to the neglect of many management interfaces, will lead to partial thing networking equipment to need plus a switching unit just can directly realize the configuration management to thing networking middleware equipment, and this has increased the complexity of using, is unfavorable for the popularization and application of thing networking technology.

SUMMERY OF THE UTILITY MODEL

The utility model provides a thing networking middleware equipment to solve current middleware equipment hardware and lack the technical problem that management interface, application are comparatively complicated, thereby improve the structure of middleware equipment, and then improve the applied convenience of middleware equipment.

In order to solve the technical problem, an embodiment of the utility model provides an internet of things middleware device, which comprises a main control module, a networking communication module and a lower computer interface module;

the main control module comprises a data processing module, a configuration management module, a networking data transceiver module and a lower computer data transceiver module, wherein a first end of the networking data transceiver module is connected with a first end of the data processing module, a second end of the networking data transceiver module is connected with a first end of the networking communication module, a first end of the lower computer data transceiver module is connected with a second end of the data processing module, a second end of the lower computer data transceiver module is connected with a first end of the lower computer interface module, a third end of the networking data transceiver module is connected with a first end of the configuration management module, a third end of the lower computer data transceiver module is connected with a second end of the configuration management module, and a third end of the configuration management module is connected with a third end of the data processing module;

the networking communication module comprises an Ethernet communication module and a wireless communication module.

As a preferred scheme, the lower computer interface module includes a first UART interface, an IIC interface, a USB interface, an SPI interface, and a CAN interface.

Preferably, the networking data transceiver module includes a second UART interface, and the wireless communication module is connected to the second UART interface.

Preferably, the lower computer interface module further includes a GPIO interface.

As a preferred scheme, the wireless communication module comprises a WIFI communication module and a GPRS/3G/4G communication module.

Preferably, the wireless communication module further comprises an NB-IoT communication module.

Preferably, the main control module adopts an ARM chip of Cortex-M4 series.

Compared with the prior art, the utility model discloses following beneficial effect has:

the embodiment of the utility model provides a middleware device of the internet of things, which comprises a main control module, a networking communication module and a lower computer interface module; the main control module comprises a data processing module, a configuration management module, a networking data transceiver module and a lower computer data transceiver module; the lower computer interface module comprises a first UART interface, an IIC interface, a USB interface, an SPI interface and a CAN interface. The utility model discloses a function of configuration management is all supported to all interfaces including networking interface and local next computer interface for some equipment that does not have the serial ports also can directly dispose thing networking middleware equipment, thereby has effectively improved the applied convenience of thing networking middleware equipment.

Drawings

Fig. 1 is a schematic structural diagram of an internet of things middleware device according to a first embodiment of the present invention;

fig. 2 is an application schematic diagram of the middleware device of the internet of things according to the first embodiment of the present invention;

fig. 3 is a hardware block diagram of the middleware device of the internet of things according to the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention provides an internet of things middleware device, which includes a main control module, a networking communication module, and a lower computer interface module;

Referring to fig. 2, in the embodiment of the present invention, it can be understood that, on the one hand, the internet of things middleware device is connected with the bottom device through the lower computer interface module, where the bottom device is the lower computer device and is used for data acquisition, remote control, and the like. On the other hand, the internet of things middleware equipment is connected with the internet through the networking communication module, and the internet of things middleware equipment is communicated with the application server which is also connected to the internet through the internet, so that the purpose of indirectly communicating the application server with the lower computer equipment is achieved.

It should be noted that, in the prior art, management interfaces are rarely involved, and neglect of multiple management interfaces will cause that configuration management of the middleware device of the internet of things can be directly realized only by adding one switching unit to part of the internet of things devices, which increases application complexity and is not beneficial to popularization and application of the internet of things technology. The existing internet of things middleware equipment generally only supports single serial ports (RS232 and RS485) configuration interfaces or double configuration interfaces (serial ports and networks), so that certain equipment without the serial ports cannot directly configure the internet of things middleware equipment, and the application range of the internet of things middleware equipment is limited. And the utility model provides an thing networking middleware equipment supports other equipment to realize the real-time configuration management to thing networking middleware equipment through multiple interface, including UART, IIC, USB, SPI, CAN, ethernet, WIFI, 4G, NB-IoT etc..

In the embodiment of the present invention, as a preferred scheme, the lower computer interface module includes a first UART interface, an IIC interface, a USB interface, an SPI interface, and a CAN interface; the networking data transceiver module comprises a second UART interface, and the wireless communication module is connected with the second UART interface; the lower computer interface module also comprises a GPIO interface; the wireless communication module comprises a WIFI communication module and a GPRS/3G/4G communication module; the wireless communication module further comprises an NB-IoT communication module; the main control module adopts a Cortex-M4 series ARM chip.

Please refer to fig. 3, in the embodiment of the present invention, preferably, the data processing module, the configuration management module, the networking data transceiver module and the lower computer data transceiver module in the main control module are integrated in the same main control chip, the microcontroller MCU based on the ARM Cortex kernel is adopted in the present embodiment, the interfaces such as UART, IIC, USB, SPI, and CAN are mainly used to communicate with the lower computer device, and the interfaces such as the on-chip UART, IIC, USB, SPI, and CAN are accessed to the internet through the on-chip ethernet port, the external WIFI communication module, the NB-IoT communication module, and the operator communication module (including GPRS, 3G, 4G, etc.). The WIFI communication module, the NB-IoT communication module and the operator communication module are controlled and data are transmitted through a UART interface, wherein the operator communication module serving as the standby communication module adopts a cold backup mode, namely, power is not supplied under the conventional condition, and power is supplied to the operator communication module when the standby communication module needs to be started, so that the purpose of reducing the power consumption of the middleware equipment is achieved.

In the embodiment of the present invention, it should be noted that the UART interfaces of the middleware device of the internet of things are divided into two types, and one type of UART interface is oriented to the lower computer; the other type of UART interface is connected with the wireless communication module, and controls the wireless communication module through the UART interface and completes the transceiving of wireless network end data.

The embodiment of the utility model provides an in, for thing networking middleware equipment has increased NB-IoT communication module, compares thing networking middleware in the past, the utility model discloses the signal is strong, and NB-IoT can provide 20 dB's coverage gain, and area coverage enlarges 100 times, and signal radiation penetrating power is strong, and the product is used at underground garage in the past, and intensive building crowd can the signal weak, does not have the signal even, and the GPRS signal of even cell-phone does not all have sometimes, but NB-IoT has strong penetrability, can pierce through several walls more when signal transmission.

In the embodiment of the present invention, it should be noted that, including the networking communication module and all communication interfaces including the lower computer interface module, there are two kinds of working modes, namely, data channel mode and configuration command channel mode, and the interface in the data channel mode only forwards data in two directions, and the interface in the configuration command channel mode is used as the configuration command channel, and can receive the command of the lower computer or the remote server to check and manage the configuration of the middleware in real time. For an interface connected with the lower computer equipment, if the interface needs to be switched to a configuration command channel mode, two modes can be adopted, wherein the lower computer starts the configuration command channel mode by setting a corresponding GPIO port of the MCU to be a specific level, and sending a data frame with a specific meaning to the corresponding interface. If the data channel mode needs to be recovered, for the first mode, only the corresponding GPIO port needs to be set to the opposite specific level; for the second way, another data frame with a specific meaning is sent to restore the data channel mode. And for the remote server to switch the network interface into the configuration command channel mode or the recovery data channel mode, a mode of sending data frames with specific meanings to the corresponding interfaces is adopted.

It can be understood that, in the embodiment of the present invention, the GPIO interface is not used as a data transmission channel, but is used as a control port for switching the operating modes.

In the embodiment of the present invention, it should be noted that the external data passes through the networking data transceiver module and the lower computer data transceiver module enter the internet of things middleware, and the data processing module processes the instruction identified by the internet of things middleware, and determines the next work of the internet of things middleware through the analysis of the instruction, such as data transceiving or configuration management, and the data transceiving is that the networking data transceiver module and the data of the lower computer data transceiver module are forwarded after being processed by the data processing module. The configuration management module obtains a configuration instruction from the data processing module and configures the networking data transceiver module and the lower computer data transceiver module.

It should be noted that the utility model provides a thing networking middleware equipment has realized that all interfaces all support the function of management configuration, and all communication interfaces all have two kinds of mode, data channel mode and configuration command channel mode promptly, and the interface that is in under the data channel mode only carries out two-way retransmission to data, and the interface that is in under the configuration command channel mode uses as the configuration command channel, can receive the order of next computer or remote application server and carry out real-time state to the middleware and look over and the management configuration.

To sum up, compare in prior art, the utility model discloses beneficial effect lies in:

the embodiment of the utility model provides a middleware device of the internet of things, which comprises a main control module, a networking communication module and a lower computer interface module; the main control module comprises a data processing module, a configuration management module, a networking data transceiver module and a lower computer data transceiver module; the lower computer interface module comprises a first UART interface, an IIC interface, a USB interface, an SPI interface and a CAN interface. The utility model discloses a function of configuration management is all supported to all interfaces for some equipment that does not have the serial ports also can directly dispose thing networking middleware equipment, thereby has effectively improved thing networking middleware equipment's application convenience.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. Middleware equipment of the Internet of things is characterized by comprising a main control module, a networking communication module and a lower computer interface module;

the main control module comprises a data processing module, a configuration management module, a networking data transceiver module and a lower computer data transceiver module, wherein a first end of the networking data transceiver module is connected with a first end of the data processing module, a second end of the networking data transceiver module is connected with a first end of the networking communication module, a first end of the lower computer data transceiver module is connected with a second end of the data processing module, a second end of the lower computer data transceiver module is connected with a first end of the lower computer interface module, a third end of the networking data transceiver module is connected with a first end of the configuration management module, a third end of the lower computer data transceiver module is connected with a second end of the configuration management module, and a third end of the configuration management module is connected with a third end of the data processing module; the lower computer interface module comprises a first UART interface, an IIC interface, a USB interface, an SPI interface and a CAN interface; the lower computer interface module also comprises a GPIO interface; the networking data transceiver module comprises a second UART interface;

the networking communication module comprises an Ethernet communication module and a wireless communication module, and the wireless communication module is connected with the second UART interface.

2. The internet-of-things middleware device of claim 1, wherein the wireless communication module comprises a WIFI communication module and a GPRS/3G/4G communication module.

3. The internet of things middleware device of claim 2, wherein the wireless communication module further comprises an NB-IoT communication module.

4. The internet-of-things middleware device of claim 1, wherein the master control module employs an ARM chip of Cortex-M4 series.