CN219248077U

CN219248077U - Wireless gateway system

Info

Publication number: CN219248077U
Application number: CN202122970636.7U
Authority: CN
Inventors: 胡华能; 许俊; 沈炎福
Original assignee: Xiamen Zong Neng Electronic Science And Technology Co ltd
Current assignee: Xiamen Zong Neng Electronic Science And Technology Co ltd
Priority date: 2021-11-27
Filing date: 2021-11-27
Publication date: 2023-06-23
Anticipated expiration: 2031-11-27

Abstract

The utility model discloses a wireless gateway system, which comprises a wireless gateway and a server, wherein the wireless gateway comprises a shell and a circuit board arranged in the shell, and the circuit board is integrated with: MCU, zigbee module, lora module, 4G network module, serial ports-RS 232 conversion module, serial ports-RS 485 conversion module, ethernet module and power module, power module are used for supplying power to all modules, and all modules are connected with the MCU electricity respectively. The server comprises an upper computer and a server, wherein the upper computer is connected with a DB-9 port and/or an RS485 port and/or an Ethernet port in a wired way; the server realizes internet connection through a 4G network antenna or an Ethernet module. The utility model can provide the selection of two wireless systems, namely Lora and Zigbee, special for the lower computer, and upload data to the upper computer or the server through the built-in Ethernet interface or the 4G network module.

Description

Wireless gateway system

Technical Field

The utility model relates to the technical field of the Internet of things, in particular to a wireless gateway system.

Background

The data transmission of the current communication terminal is generally an Ethernet or Wi-Fi wireless communication technology. The product adopting wired mode such as Ethernet to carry out data transmission has the technical problem of construction cost because of wiring. Wi-Fi generally utilizes wireless communication technologies of 2.4 Ghz. Meanwhile, during long-distance data transmission, interference among signals of different channels is strong, signal transmission attenuation is large, and bandwidth is reduced after long-distance transmission.

The Chinese patent document CN205847253U discloses a communication terminal based on LoRa, which comprises an MCU main control circuit, an interface circuit, a communication circuit and a power circuit, wherein the interface circuit, the communication circuit and the power circuit are respectively connected with the MCU main control circuit, and the MCU main control circuit forwards data received by the interface circuit through the communication circuit, wherein the communication circuit comprises a LoRa chip, a Wi-Fi chip, bluetooth or a Zigbee chip. According to the utility model, the RS485 interface circuit, the RS232 interface circuit, the SPI interface circuit, the USB interface circuit and the Ethernet interface circuit are used for receiving data, and meanwhile, the LoRa chip is used for transmitting the data to the data platform, so that the purpose of increasing the data transmission distance under the same power consumption is realized due to the characteristic of LoRa data transmission.

The Chinese patent document CN211266892U discloses a multi-connection RTU data gateway, which comprises a chassis and a data gateway module arranged in the chassis, wherein the data gateway module comprises an MCU control module, a power module, a storage module, a clock module, a sending module and an interface module, wherein the power module, the storage module, the clock module, the sending module and the interface module are connected with the MCU control module, and the MCU control module is also connected with a LoRa module, an NB-IoT module, a ZigBee module and a Bluetooth module; the interface module comprises an RS232 module, an RS485 module and a USB module; the sending module comprises a 4G module, an Ethernet module and a WiFi module; the data gateway provided by the utility model can be connected with various acquisition devices (sensors and detection devices) to realize data acquisition and uploading, and can also realize data interaction, thereby realizing remote management and monitoring.

Chinese patent document CN214101410U discloses a universal internet of things gateway for multi-interface network communication, comprising: the main controller module is connected with the wired communication module and the wireless communication module through the serial peripheral interface and performs data transmission; the Ethernet module (2) is connected with the main controller module and the 6LoWPAN driver and performs data transmission with the IPv6 network through the 6LoWPAN driver; the wired communication module is an RS485 module and is used for carrying out data acquisition and communication transmission on terminal instruments and equipment; the wireless communication module comprises a Zigbee communication module, a LoRa communication module, a GPRS communication module and a 4G communication module and is used for carrying out data acquisition and communication transmission on terminal equipment; and the power supply module is used for supplying power to all the modules. The gateway supports various interfaces, has universality, realizes interconnection and interworking of various communication technical standards, and can be rapidly applied to Internet of things systems of various communication networks.

Although various modules are disclosed in the prior art, no dedicated system is provided for the wireless gateway.

Disclosure of Invention

In view of the above, the present utility model provides a wireless gateway system that provides two wireless system options dedicated for a lower computer.

The adopted technical scheme is as follows:

a wireless gateway system comprising a wireless gateway and a server, wherein the wireless gateway comprises a housing and a circuit board disposed within the housing, the circuit board integrated with:

MCU，

the Zigbee module is electrically connected with the MCU and provided with a Zigbee antenna;

the Lora module is electrically connected with the MCU and provided with a Lora antenna;

the 4G network module is electrically connected with the MCU and provided with a 4G network antenna;

the serial port-RS 232 conversion module is electrically connected with the MCU and is provided with a DB-9 port;

the serial port-RS 485 conversion module is electrically connected with the MCU and is provided with an RS485 port;

the Ethernet module is electrically connected with the MCU and is provided with an Ethernet port;

the power supply module is electrically connected with the MCU and is used for supplying power to all the modules;

the server comprises an upper computer and a server, wherein the upper computer is connected with a DB-9 port and/or an RS485 port and/or an Ethernet port in a wired way; the server realizes internet connection through a 4G network antenna or an Ethernet module.

Further, the Zigbee antenna, the Lora antenna, and the 4G network antenna are concentrated in one antenna slot of the housing.

Further, the DB-9 port, the RS485 port and the Ethernet port are arranged on the same side of the shell.

Further, the ethernet port is an RJ45 interface.

Further, the 4G network module adopts a 4G full network communication and downward compatible communication module.

Further, a plurality of heat dissipation holes are formed in the bottom of the shell.

Further, the shell adopts an explosion-proof distribution box body.

The utility model has the beneficial effects that:

the wireless gateway system comprises a server and an upper computer, wherein the server and the upper computer are connected in a wired and wireless mode; the Zigbee module or the Lora module can be selected, so that the selection of two wireless modes, namely Lora and Zigbee, special for the lower computer can be provided.

Thus, the wireless gateway system can realize the product functions: and providing data forwarding operation, performing terminal-oriented wireless data broadcasting, receiving wireless data responded by the terminal, and uploading the data to an upper computer or a server through an Ethernet interface (network cable connection) or 4G (wireless connection) which is built in.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a wireless gateway system.

Fig. 2 is a schematic diagram of an application state of the wireless gateway system.

Fig. 3 is a schematic perspective view of a wireless gateway.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only preferred embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a wireless gateway system includes a wireless gateway and a server, wherein the wireless gateway includes a housing 9 and a circuit board disposed in the housing, and the circuit board is integrated with an MCU 1, a Zigbee module 2, a Lora module 3, a 4G network module 4, a serial-RS 232 conversion module 5, a serial-RS 485 conversion module 6, an ethernet module 7, and a power module 8.

The MCU 1 may be any chip in the prior art, and there are various types of chips including, but not limited to, for example, STM32 series chips. The MCU coordinates the work of each module, performs basic data processing, and controls and manages.

The Zigbee module 2 is electrically connected with the MCU and provided with a Zigbee antenna; the Zigbee module can employ a variety of prior art chips including, but not limited to, for example, DRF1609H chips. The Zigbee module modulates the data transmitted by the MCU into Zigbee wireless signal broadcasting and sending, receives the Zigbee wireless signal sent by the wireless terminal, demodulates the Zigbee wireless signal into serial data and transmits the serial data to the MCU.

A Lora module 3 electrically connected to the MCU and having a Lora antenna 31; the Lora module can employ chips of the prior art, a variety of which include, but are not limited to, e.g., E19-433M20SC chips. And the Lora module modulates the data transmitted by the MCU into Lora wireless signals for broadcast transmission, receives the Lora wireless signals transmitted by the wireless terminal, demodulates the Lora wireless signals into serial data and transmits the serial data to the MCU.

The wireless gateway is divided into two categories of the special Lora gateway and the Zigbee gateway according to the difference of wireless network technologies.

A 4G network module 4 electrically connected to the MCU and having a 4G network antenna 41; the 4G network module can adopt a 4G whole network communication and downward compatible communication module.

And the serial port-RS 232 conversion module 5 is electrically connected with the MCU and is provided with a DB-9 port 51. The serial port-RS 232 conversion module may be implemented using a variety of prior art chips including, but not limited to, for example, TRS232ECDR chip chips.

The serial port-RS 485 conversion module 6 is electrically connected with the MCU and provided with an RS485 port 61; the serial port-RS 485 conversion module may be implemented using a variety of chips known in the art, including, but not limited to, MAX13487 chips. The serial port-RS 485 conversion module converts UTRA serial port signals of the MCU into RS485 electric standards, provides a wiring terminal, is used for equipment communication connection of the RS485 interface, and supports Modus protocol communication.

An ethernet module 7 electrically connected to the MCU and having an ethernet port 71; the ethernet port may be selected as an RJ45 interface. The Ethernet module converts serial data of the MCU into Ethernet grid through TCP/IP protocol, and provides RJ45 interface to connect to local area network or Internet through Ethernet.

A power module 8 electrically connected to the MCU for powering all the modules;

As a specific embodiment, referring to fig. 3, the Zigbee antenna, the Lora antenna, and the 4G network antenna are concentrated in one antenna slot 91 of the housing 9. The production and the assembly are convenient.

As a specific embodiment, referring to fig. 3, the DB-9 port, the RS485 port, and the ethernet port are provided on the same side of the housing 9 and on the other side opposite to the antenna slot. The production and the assembly are convenient.

As a specific implementation mode, the bottom of the shell is provided with a plurality of heat dissipation holes, so that heat dissipation is facilitated, and the working temperature is kept relatively stable.

As a specific embodiment, the casing adopts an explosion-proof distribution box body. Thus, the anti-explosion distribution box is used, the IP65 protection grade is suitable for the industrialized outdoor installation requirement.

The output side of the upper computer is provided with an Ethernet RJ45 interface, an RS485 wiring terminal, an RS232 DB9 interface (for debugging) and a 4G wireless module so as to realize data surfing in response to various network configuration requirements.

The wireless gateway system comprises a server and an upper computer, wherein the server and the upper computer are connected in a wired and wireless mode; the Zigbee module or the Lora module can be selected, so that the selection of two wireless modes, namely Lora and Zigbee, special for the lower computer can be provided, and the transmission and the reception of wireless data of corresponding modes are correspondingly provided.

Thus, the wireless gateway system can realize the product functions: 1. and providing data forwarding operation, performing terminal-oriented wireless data broadcasting, receiving wireless data responded by the terminal, and uploading the data to an upper computer or a server through an Ethernet interface (network cable connection) or 4G (wireless connection) which is built in.

2. And the matched terminal carries out data transmission in a wireless connection mode.

The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. A wireless gateway system, comprising a wireless gateway and a server, wherein the wireless gateway comprises a housing and a circuit board disposed in the housing, the circuit board being integrated with:

MCU，

2. The wireless gateway system of claim 1, wherein the Zigbee antenna, the Lora antenna, and the 4G network antenna are concentrated in one antenna slot of the housing.

3. The wireless gateway system of claim 1, wherein the DB-9 port, the RS485 port, and the ethernet port are disposed on the same side of the housing.

4. The wireless gateway system of claim 1, wherein the ethernet port is an RJ45 interface.

5. The wireless gateway system of claim 1, wherein the 4G network module employs a 4G full network and downward compatible communication module.

6. The wireless gateway system of claim 1, wherein a bottom of the housing is provided with a plurality of heat dissipation apertures.

7. The wireless gateway system of claim 1, wherein the housing is an explosion-proof electrical box.