CN214281408U

CN214281408U - LORA Ethernet gateway

Info

Publication number: CN214281408U
Application number: CN202120195611.1U
Authority: CN
Inventors: 穆圣广; 王学奎; 蔡铣铖; 蒋军巧
Original assignee: Guangzhou Hulin Air Conditioning Equipment Co ltd
Current assignee: Guangzhou Hulin Air Conditioning Equipment Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-09-24
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses an LORA Ethernet gateway, which comprises an Ethernet module, an LORA module and a switch power supply module; the switch power supply module is respectively connected with the Ethernet module and the LORA module; and the Ethernet module is respectively connected with the LORA module. Use LORA to organize a network as basic node, air conditioner monitoring module adopts LORA communication, and LORA ethernet gateway is as the relay, can reach the purpose through TCP server control air conditioner monitoring module with data exchange to TCP server. And the existing module combination is adopted, so that a large amount of development cost is saved. Simple structure, the component quantity is less, can practice thrift manufacturing cost for production efficiency. The LORA is converted into Ethernet communication, server control is realized, a control terminal is simplified, and online control is realized.

Description

LORA Ethernet gateway

Technical Field

The utility model relates to a LORA technical field, concretely relates to LORA ethernet gateway.

Background

LORA is as emerging wireless communication technology, and low-power consumption and communication distance can reach several hundred meters, and very suitable building inside wireless communication can be organized the net quantity and is greater than wifi far away. However, communication between LORA devices is generally in a point-to-point manner, and data exchange only occurs between devices, which causes data confusion during multi-device communication, and no primary or secondary communication is available, and other communication scenarios cannot be met.

SUMMERY OF THE UTILITY MODEL

In view of this, for control air conditioner monitoring module, the utility model provides a LORA ethernet gateway to LORA carries out the network deployment as basic node, and air conditioner monitoring module adopts the LORA communication, and LORA ethernet gateway can reach the purpose through TCP server control air conditioner monitoring module with data exchange to the TCP server as the transfer person.

The utility model discloses an above-mentioned problem is solved to following technical means:

an LORA Ethernet gateway comprises an Ethernet module, an LORA module and a switch power supply module;

the switch power supply module is respectively connected with the Ethernet module and the LORA module;

and the Ethernet module is respectively connected with the LORA module.

Furthermore, the Ethernet module communicates with an external server through TCP, and the LORA module communicates with an external air conditioner monitoring module through LORA.

Further, the switching power supply module comprises a DC-05 power supply base, a diode D1, a chip U2, an inductor L1, a voltage stabilizing diode D2, a polar capacitor C10, a polar capacitor C11, a resistor R4 and a light emitting diode LED 1;

the anode of the power supply of the DC-05 power supply seat is connected with the anode of a diode D1, the cathode of a diode D1 is respectively connected with the pin 1 of a chip U2 and the anode of a polarity capacitor C10, the cathode of a polarity capacitor C10 is respectively connected with the pin 3 of a chip U2, the pin 5 of a chip U2, the anode of a voltage regulator diode D2 and the cathode of a polarity capacitor C11 and is grounded, the pin 2 of a chip U2 is respectively connected with the cathode of a voltage regulator diode D2 and one end of an inductor L1, the other end of the inductor L2 is respectively connected with the anode of a polarity capacitor C11, the pin 4 of the chip U2 and one end of a resistor R4, the other end of a resistor R4 is connected with the anode of a light emitting diode LED1, and the cathode of a light emitting diode LED1 is grounded.

Further, the LORA module comprises an LORA serial port, a JP-LORA antenna interface, a configuration terminal P1, a resistor R2 and a resistor R3;

foot 1 and the 2 ground connections of foot of LORA serial ports, 3 connection configuration terminal P1's of foot of LORA serial ports foot 1, configuration terminal P1's 2 ground connections of foot, the one end of 4 connecting resistance R2 of the foot of LORA serial ports, chip U2's foot 4 is connected to resistance R2's the other end, the one end of 5 connecting resistance R3's of the foot of LORA serial ports, chip U2's foot 4 is connected to resistance R3's the other end, chip U2's foot 4 is connected to the foot 6 of LORA serial ports, JP-LORA antenna interface's foot 2 and 3 ground connections.

Further, the ethernet module includes an ethernet interface chip RT101, pin 1 of the ethernet interface chip RT101 is connected to pin 4 of the chip U2, pin 3 of the ethernet interface chip RT101 is grounded, pin 8 of the ethernet interface chip RT101 is connected to pin 4 of the LORA serial port, pin 9 of the ethernet interface chip RT101 is connected to pin 5 of the LORA serial port, and pin 10 of the ethernet interface chip RT101 is grounded.

Compared with the prior art, the beneficial effects of the utility model include at least:

1. and the existing module combination is adopted, so that a large amount of development cost is saved.

2. Simple structure, the component quantity is less, can practice thrift manufacturing cost for production efficiency.

3. The LORA is converted into Ethernet communication, server control is realized, a control terminal is simplified, and online control is realized.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic diagram of the LORA ethernet gateway of the present invention;

FIG. 2 is a LORA networking schematic of the present invention;

fig. 3 is a circuit diagram of the switching power supply module of the present invention;

fig. 4 is a circuit diagram of the LORA module of the present invention;

fig. 5 is a circuit diagram of the ethernet module of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments accompanying the drawings are described in detail below. It should be noted that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

As shown in fig. 1 and fig. 2, the utility model provides a LORA ethernet gateway, which comprises an ethernet module, a LORA module and a switching power supply module;

and the Ethernet module is respectively connected with the LORA module.

The Ethernet module is communicated with an external server through TCP, and the LORA module is communicated with an external air conditioner monitoring module through LORA.

The utility model discloses LORA ethernet gateway can be applied to the scene that makes things convenient for the access network line and do not have wireless wifi based on the ethernet interface.

The Ethernet module and the LORA module directly adopt the existing communication module, thereby saving the development time.

The LORA Ethernet gateway has a circuit board with the length of 10cm and the width of 6cm and is rectangular as a whole; in order to make the ethernet module compatible with the small housing, the circuit board is designed in a mother-daughter board type, the mother board is used for stacking the LORA module and the switching power supply module, and the daughter board is used for connecting the ethernet module.

As shown in fig. 3, the switching power supply module includes a DC-05 power supply socket, a diode D1, a chip U2, an inductor L1, a zener diode D2, a polar capacitor C10, a polar capacitor C11, a resistor R4, and a light emitting diode LED 1;

the anode of the power supply of the DC-05 power supply seat is connected with the anode of a diode D1, the cathode of a diode D1 is respectively connected with a pin 1 of a chip U2 and the anode of a polar capacitor C10, the cathode of the polar capacitor C10 is respectively connected with a pin 3 of the chip U2, a pin 5 of the chip U2, the anode of a voltage regulator diode D2 and the cathode of the polar capacitor C11 and is grounded, a pin 2 of a chip U2 is respectively connected with the cathode of the voltage regulator diode D2 and one end of an inductor L1, the other end of the inductor L2 is respectively connected with the anode of a polar capacitor C11, a pin 4 of the chip U2 and one end of a resistor R4, the other end of the resistor R4 is connected with the anode of a light-emitting diode LED1, and the cathode of the light-emitting diode LED1 is grounded.

In order to use the scene universalization, a DC-05 power socket is adopted, the input voltage is a commonly used 12V direct-current power supply, D1 prevents the positive and negative connection of the outside, LM2596S-5.0 is used as a voltage conversion chip, peripheral elements can provide 5V output for a lower-level circuit, and an LED1 is used as a power indicator.

As shown in fig. 4, the LORA module includes an LORA serial port, a JP-LORA antenna interface, a configuration terminal P1, a resistor R2, and a resistor R3;

The LORA module passes through USART and ethernet module communication, and the LORA module changes the sma seat from the ipex antenna interface in area through ipex, can draw out sma antenna port, conveniently inserts the sma antenna, and the sma seat adopts the cellular type, and P3SET pin is LORA configuration pin, gets into during the low level and configures the mode, and the serial ports baud rate is 9600, data length 8, no parity, 1 stop bit. And when the GND and the P3SET are short-circuited by a jumper cap, the LORA module enters a configuration mode.

As shown in fig. 5, the ethernet module includes an ethernet interface chip RT101, a pin 1 of the ethernet interface chip RT101 is connected to a pin 4 of a chip U2, a pin 3 of the ethernet interface chip RT101 is grounded, a pin 8 of the ethernet interface chip RT101 is connected to a pin 4 of an LORA serial port, a pin 9 of the ethernet interface chip RT101 is connected to a pin 5 of the LORA serial port, and a pin 10 of the ethernet interface chip RT101 is grounded.

The Ethernet module is powered by 5V and is directly connected with the LORA module through USART.

The serial baud rate is 9600, data length 8, no parity, 1 stop bit.

How to configure Ethernet module

Configuring an ethernet module [ factory configuration ]:

the connection mode during factory configuration: a computer, a network cable and an Ethernet module;

A. please ensure that the computer is only connected to the ethernet module through the network cable, if there are other networks such as wifi, please disable;

B. if the configuration is carried out when leaving the factory, the IP address of the computer needs to be manually modified and exists in the 192.168.1.1 gateway, and the IP address cannot be 192.168.1.60;

1. opening Ethernet parameter configuration software [ DTUCFG.exe ];

2. a top menu- - > file operation- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - [ serial server parameter txt- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - [ serial server parameter;

3. configuring [ TCP connection setup ]: the IP of the device is 192.168.1.60 and the password is 123456;

4. clicking [ connect ] - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -;

5. configuring parameters:

closing a cloud switch, configuring an equipment IP/gateway address (which needs to be in line with a router gateway accessed by a subsequent Ethernet module), configuring one TCP Server (the IP address is the IP address configured in the last step, and the port number is 6001);

6. clicking [ setting ] - - [ top menu ] - [ resetting equipment ] - [ reading ] - [ configuration completion after resetting is successful;

7. the connection mode is changed into that: ethernet module, network cable, router.

Configuring an ethernet module [ secondary configuration ]:

1. similar to factory configuration operation, the connection mode is as follows: the method comprises the following steps of (1) enabling a user to select a network module, a network cable, a router or a computer, a network cable and an Ethernet module;

2. the IP of the equipment is required to be input as the IP address modified for the last time, and the password is also required to be input, so that the subsequent operation is not different from the factory configuration operation.

How to configure LORA communication modules

A LORA procedure [ method 1 ] is configured:

1. after the Ethernet configuration is completed, namely, a cloud switch is closed, IP is configured, TCP Server is configured, and the Ethernet module normally operates;

2. connecting the IP of the Ethernet module in a TCP Client mode by using a virtual serial port tool and virtualizing a serial port, such as COM 10;

3. the gateway equipment is configured to be a P3SET short circuit with GND;

4. opening [ LORA setting tool ] - [ OPEN ] - [ configuration parameter ] - [ SET. The result suggests an error, but has been successfully configured and can be reopened.

A LORA procedure [ method 2 ] is configured:

2. any network debugging assistant is used for connecting the IP of the Ethernet module in a TCP Client mode;

3. the gateway equipment is configured to be a P3SET short circuit with GND;

4. sending LORA configuration data, i.e., configuration data of 18 words, at 16-ary;

5. if the aa5b.. and the last bit returned is the last bit sent +1, successful configuration is indicated;

query frame (hexadecimal): AA5C 00000000000000000000000000000006;

return (hex) AA5D 111111110000004000 a 00020012007C;

wherein 0A is a channel;

configuration frame (hexadecimal): AA5a11111111000F0004000a 000200120079;

wherein 0A is the channel, 79 is the sum check;

return (hexadecimal): AA5B11111111000F0004000a 00020012007A;

where 0A is the channel and 7A is the sum check +1 at the time of transmission.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The LORA Ethernet gateway is characterized by comprising an Ethernet module, an LORA module and a switch power supply module;

and the Ethernet module is respectively connected with the LORA module.

2. The LORA ethernet gateway of claim 1, wherein the ethernet module communicates with an external server via TCP, and the LORA module communicates with an external air conditioner monitoring module via LORA.

3. The LORA ethernet gateway of claim 1, wherein the switching power module comprises a DC-05 power socket, a diode D1, a chip U2, an inductor L1, a zener diode D2, a polar capacitor C10, a polar capacitor C11, a resistor R4, and a light emitting diode LED 1;

4. The LORA ethernet gateway of claim 3, wherein the LORA module comprises an LORA serial port, a JP-LORA antenna interface, a configuration terminal P1, a resistor R2, and a resistor R3;

5. The LORA Ethernet gateway of claim 4, wherein said Ethernet module comprises an Ethernet interface chip RT101, pin 1 of the Ethernet interface chip RT101 is connected to pin 4 of chip U2, pin 3 of the Ethernet interface chip RT101 is connected to ground, pin 8 of the Ethernet interface chip RT101 is connected to pin 4 of the LORA serial port, pin 9 of the Ethernet interface chip RT101 is connected to pin 5 of the LORA serial port, and pin 10 of the Ethernet interface chip RT101 is connected to ground.