CN210351677U

CN210351677U - Thing networking wisdom energy gateway

Info

Publication number: CN210351677U
Application number: CN201921675789.5U
Authority: CN
Inventors: 张爱群; 辛卫东; 卞峰; 牛蔚然; 王瑞琪
Original assignee: State Grid Shandong Integrated Energy Service Co ltd
Current assignee: State Grid Shandong Integrated Energy Service Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-04-17
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses an intelligent energy gateway of the Internet of things, which comprises a main processor, a coprocessor, a radio frequency sending module and a radio frequency receiving module; the radio frequency receiving module transmits the received wireless data to the coprocessor through the SPI serial peripheral interface, and the coprocessor transmits the wireless data to the main processor through the serial communication interface; and then the main processor transmits the received wireless data to the radio frequency transmitting module through the SPI serial peripheral interface, and the radio frequency transmitting module transmits the wireless data to the terminal. An SX1301 radio frequency chip is adopted to support 8 paths of wireless channels to receive data at the same time, and a plurality of SX1278 radio frequency chips are adopted to support 1-8 paths of multi-path wireless channel data to be sent; on the basis of reducing data delay and improving data transmission efficiency, the wireless data transmission and reception processes are completely independent, uplink and downlink communication frequencies are isolated from each other, and LoRa wireless full-duplex communication is realized.

Description

Thing networking wisdom energy gateway

Technical Field

The utility model relates to a wireless communication equipment technical field, concretely relates to thing networking wisdom energy gateway.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

At present, when a traditional gateway accesses a terminal device, data transmission in an LORA chip is mostly a half-duplex working mode, not only is the data transmission speed too low, but also for a multi-path terminal access gateway, when a signal stream sent by the gateway reaches different terminals, the multi-path terminal device cannot effectively receive data at the same time, and the effect of multi-path parallel cannot be realized; secondly, when multiple paths of terminals access the gateway, the data volume to be transmitted by the gateway and the transmission volume of the signal stream between the chips are also multiplied, and the traditional gateway has the problems of time delay and low throughput in the process of transmitting and receiving the signal stream.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides an intelligent energy gateway of the internet of things, which adopts an SX1301 radio frequency chip to support 8 paths of wireless channels and receive data at the same time, and adopts a plurality of paths of SX1278 radio frequency chips to support 1-8 paths of wireless channel data to be sent; meanwhile, the main coprocessor and the coprocessor are respectively responsible for sending and receiving data, so that the wireless data sending and receiving processes are completely independent, the uplink and downlink communication frequencies are isolated from each other, and the LoRa wireless full duplex communication is realized on the basis of reducing data delay and improving data transmission efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an intelligent energy gateway of the internet of things, which comprises a main processor, a coprocessor, a radio frequency sending module and a radio frequency receiving module;

the coprocessor is connected with the radio frequency receiving module through an SPI serial peripheral interface,

the main processor is connected with the coprocessor through a serial communication interface,

the main processor is connected with the radio frequency transmitting module through the SPI serial peripheral interface;

the radio frequency receiving module transmits the received wireless data to the coprocessor through the SPI serial peripheral interface, and the coprocessor transmits the wireless data to the main processor through the serial communication interface;

and then the main processor transmits the received wireless data to the radio frequency transmitting module through the SPI serial peripheral interface, and the radio frequency transmitting module transmits the wireless data to the terminal.

As some possible implementation manners, the gateway further comprises an ethernet communication module and a 4G communication module,

the main processor is connected with the 4G communication module through a serial communication interface, and the main processor is connected with the Ethernet communication module through an SPI serial peripheral interface.

As some possible implementations, the main processor may further send the wireless data received from the coprocessor to the server side through the 4G communication module or the ethernet module.

As some possible implementations, the main processor is a processor of a model STM32H743, and the coprocessor is a processor of a model STM32F 030.

As some possible implementation manners, the radio frequency sending module adopts a chip with a model of SX1278, and the radio frequency receiving module adopts a chip with a model of SX 1301.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model solves the half-duplex problem of LoRa radio frequency chip communication in the traditional gateway, adopts SX1301 to realize wireless data receiving, and SX1301 supports 8 wireless channels to receive data simultaneously, adopts multi-channel SX1278 to support the sending of 1-8 multi-channel wireless data, and can synthesize the multi-channel sending signal into one channel to send out via a transmitting antenna in a mode of synthesizing radio frequency signals;

the utility model realizes the complete independence of the wireless data sending and receiving processes, the mutual isolation of the uplink and downlink communication frequencies, and the realization of LoRa wireless full duplex communication;

the utility model discloses an at multichannel terminal access gateway, when the gateway sends the terminal that the signal stream reachs the difference, effectual realization multichannel terminal equipment receives data simultaneously, realizes the parallel effect of multichannel.

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 schematic structural view of an intelligent energy gateway of the internet of things according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a power module of an intelligent energy gateway of the internet of things according to an embodiment of the present invention;

fig. 3 is a schematic diagram of an ethernet module of an intelligent energy gateway of the internet of things according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a chip of an internet of things smart energy gateway 1301 according to an embodiment of the present invention;

fig. 5 is a schematic diagram of an intelligent energy gateway SX127 chip of the internet of things according to an embodiment of the present invention;

fig. 6 is a schematic diagram of an intelligent energy gateway FLASH module of the internet of things according to an embodiment of the present invention;

fig. 7 is a schematic diagram of a minimum system of a master MCU of an intelligent energy gateway of the internet of things according to an embodiment of the present invention;

fig. 8 is a schematic diagram of a minimum system of an intelligent energy gateway assistant MCU of the internet of things according to an embodiment of the present invention;

fig. 9 is the embodiment of the utility model provides a thing networking wisdom energy gateway off-chip RAM chip schematic diagram.

The specific implementation mode is as follows:

the present invention will be further explained with reference to the accompanying drawings and examples.

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.

Example 1

As shown in fig. 1, the utility model provides an internet of things smart energy gateway, which comprises a main processor, a coprocessor, a radio frequency sending module and a radio frequency receiving module;

the coprocessor is connected with the radio frequency receiving module through an SPI (serial peripheral interface), the main processor is connected with the coprocessor through a serial communication interface, and the main processor is connected with the radio frequency sending module through the SPI;

LoRa wireless data is transmitted to an SX1301 radio frequency receiving chip through a filter and a demodulation circuit through a receiving antenna, and the SX1301 supports 8 wireless channels to receive the data simultaneously;

then the data is transmitted to a coprocessor STM32F030 through an SPI serial peripheral interface, and is transmitted to a main processor STM32H743 through a COM serial communication interface by the coprocessor STM32F 030;

the main processor STM32H743 synthesizes the wireless data into one path of a plurality of paths of sending signals through a plurality of paths of SX1278 radio frequency sending chips in a radio frequency signal synthesis mode, and the one path of the plurality of paths of sending signals is sent out through a sending antenna and sent to corresponding terminal equipment; and the access of a plurality of terminals can be supported by adopting a multi-path parallel mode.

The main processor STM32H743 can also send data received from the coprocessor STM32F030 to the server side through the 4G or ethernet module.

The system also comprises an Ethernet communication module and a 4G communication module, wherein a main processor is connected with the 4G communication module through a serial communication interface, and is connected with the Ethernet communication module through an SPI serial peripheral interface;

the system also comprises an off-chip Flash storage module and an off-chip RAM module, wherein the main processor is connected with the off-chip Flash storage module through an SPI serial peripheral interface, and an IO interface of the main processor is connected with the off-chip RAM module;

the device also comprises an indicator light module which is connected with the main processor.

The main processor adopts a processor with the model of STM32H743, and the coprocessor adopts a processor with the model of STM32F 030;

the radio frequency sending module adopts an SX1278 chip, and the radio frequency receiving module adopts an SX1301 chip;

the Ethernet module adopts a W5500 chip, the off-chip RAM module adopts a W9825 chip, and the off-chip Flash storage module adopts a W25Q128 chip.

The coprocessor is connected with the radio frequency receiving module through an SPI (serial peripheral interface), and

pins

25, 26, 27 and 28 in a coprocessor STM32F030 chip are respectively connected with

pins

4, 5, 3 and 2 in an SX1301 chip;

the main processor is connected with the radio frequency transmitting module through an SPI serial peripheral interface, pins PA4, PA5, PA6 and PA7 in an STM32H743 chip of the main processor are respectively connected with

pins

4, 5, 3 and 2 in an SX1278 chip;

the main processor is connected with the Ethernet communication module through an SPI serial peripheral interface, and pins PA15, PB2, PB4 and PC10 in the STM32H743 chip of the main processor are respectively connected with

pins

9, 8, 7 and 10 in the W5500 chip.

The utility model discloses a wisdom energy gateway combines to realize wireless ad hoc network with wireless terminal, wireless terminal sends synchronous request frame data, wisdom energy gateway sends Beacon Beacon frame immediately, send after the terminal receives the Beacon frame and add net request data frame, this data transmission is in SX1301 radio frequency chip in the wisdom energy gateway, coprocessor STM32F030 handles wireless received data, and convey data transfer to host processing ware STM32H743 through serial communication interface, the host processing ware is according to adding net request data frame place channel quality and channel load, the distribution data channel, reply ACK data frame, the terminal is received and is saved its data channel information who distributes, accomplish wireless network networking process so far.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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

1. An intelligent energy gateway of the Internet of things is characterized by comprising a main processor, a coprocessor, a radio frequency sending module and a radio frequency receiving module;

2. The Internet of things intelligent energy gateway of claim 1,

the wireless data is transmitted to the radio frequency receiving module through the receiving antenna, the filter and the demodulation circuit.

3. The Internet of things intelligent energy gateway of claim 1,

the gateway further comprises an ethernet communication module and a 4G communication module,

4. The Internet of things intelligent energy gateway as claimed in claim 3,

the main processor can also transmit the wireless data received from the coprocessor to the server side through the 4G communication module or the Ethernet module.

5. The Internet of things intelligent energy gateway of claim 1,

the gateway also comprises an off-chip Flash storage module and an off-chip RAM module,

the main processor is connected with the off-chip Flash storage module through an SPI serial peripheral interface, and the IO interface of the main processor is connected with the off-chip RAM module.

6. The Internet of things intelligent energy gateway of claim 1,

the main processor adopts a processor with the model of STM32H743, and the coprocessor adopts a processor with the model of STM32F 030.

7. The Internet of things intelligent energy gateway of claim 1,

the radio frequency sending module adopts an SX1278 chip, and the radio frequency receiving module adopts an SX1301 chip.