CN214374976U

CN214374976U - High-voltage current detection device based on LORA technology

Info

Publication number: CN214374976U
Application number: CN202120297459.8U
Authority: CN
Inventors: 张洋洋; 任光海; 王公权; 李其瑞; 武林; 铁孝庆; 苏进加; 卞伟
Original assignee: Shandong Deyuan Electric Power Technology Co ltd
Current assignee: Shandong Deyuan Electric Power Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-10-08
Anticipated expiration: 2031-02-02

Abstract

The utility model provides a high tension current detection device based on LORA technique, includes the current detection host computer, still includes the remote communication module, the remote communication module passes through contact pin mode and links together with the current detection host computer in parallel, the remote communication module includes LORA receiving module and 4G module, LORA receiving module includes SX1262 wireless transceiver and RYLR900 module, SX1262 wireless transceiver is connected with RYLR900 module, the current detection host computer is connected with SX1262 wireless transceiver and 4G module respectively. The scheme that an SX1262 wireless transceiver is matched with an RYLR900 module is adopted for data downlink, and the system has the advantages of long transmission distance, low working power consumption, strong anti-interference performance and low hardware cost.

Description

High-voltage current detection device based on LORA technology

Technical Field

The utility model relates to a high tension current detects application technique field, concretely relates to high tension current detection device of LORA technique.

Background

The high-voltage current detection (induction) device adopts a fault indicator type and an open structure, adopts 10kv induction voltage to get electricity, and adopts a super capacitor and a battery to supply power, thereby ensuring that the equipment can run for a long time. A high-precision current induction sampling chip is arranged in the monitoring management host, so that the real-time sensing of three-phase current data of a primary side (10-35KV) line can be completed, and the data is uploaded to the monitoring management host. The high-voltage current detection device is composed of a current detection host and a remote communication module, reads real-time and frozen current data of a branch line and a primary side of a special transformer through a current induction device, and realizes functions of electricity stealing monitoring, line loss analysis, ammeter verification, mutual inductor verification and the like by depending on a special transformer management system.

The data interaction of the master station and the remote communication module is divided into downlink and uplink, wherein the uplink can be communicated with the master station through the 4G module, and the transformer monitoring data are uploaded to the master station for analysis and comparison. The downlink data needs to be received continuously, and on the premise of meeting the data transmission performance, the power consumption of the remote communication module is reduced as much as possible, so that the remote communication is realized, the service life is long, the power consumption is low, and the hardware cost is low.

SUMMERY OF THE UTILITY MODEL

For solving the problem that above-mentioned high tension current detection device exists in the downlink data transmission, the utility model provides a high tension current detection device based on LORA technique, data adopt the scheme of SX1262 wireless transceiver cooperation RYLR900 module down, have transmission distance far away, the working power dissipation is low, interference immunity is strong and low hardware cost's advantage.

The technical scheme of the utility model as follows:

the utility model provides a high tension current detection device based on LORA technique, includes the current detection host computer, still includes the remote communication module, the remote communication module passes through contact pin mode and links together with the current detection host computer in parallel, the remote communication module includes LORA receiving module and 4G module, LORA receiving module includes SX1262 wireless transceiver and RYLR900 module, SX1262 wireless transceiver is connected with RYLR900 module, the current detection host computer is connected with SX1262 wireless transceiver and 4G module respectively.

Specifically, according to the implementation mode, SPI pins of the SX1262 wireless transceiver are connected with SPI pins of the RYLR900 module, and DIO 0-5 pins of the SX1262 wireless transceiver are connected with DIO 0-5 pins of the RYLR900 module.

Furthermore, the RYLR900 module is connected with a receiving antenna.

IN order to display the operation state, an indicator lamp is connected to the SX1262 wireless transceiver and is connected to a VDD _ IN pin of the SX1262 wireless transceiver IN series.

Further, the current detection host comprises a Micro Control Unit (MCU), and the SX1262 wireless transceiver is connected with the MCU.

In a preferred embodiment, the MCU is Arduino, the TXD pin of the SX1262 transceiver is connected to the RXD pin of Arduino, the RXD pin of the SX1262 wireless transceiver is connected to the TXD pin of Arduino, and the NRST pin of the SX1262 wireless transceiver is connected to the NRST pin of Arduino.

Further, the LORA receiving module is wirelessly connected to a LORA transmitting module, the LORA transmitting module is based on an ESP8266 module, and the ESP8266 module is connected with another RYLR900 module.

Preferably, the ESP8266 module is set to an AP mode, and a mobile phone or a computer is connected to the ESP8266 module through WiFi.

As a specific implementation, the GPIO15 pin and the GPIO13 pin of the ESP8266 module are respectively connected to the RX pin and the TX pin of another RYLR900 module.

In the above scheme, the RYLR900 module in the LORA transmitting module is connected with a transmitting antenna.

The utility model discloses for prior art gained beneficial effect lie in:

the utility model relates to a current detection device based on LORA technique, data down adopt SX1262 wireless transceiver to cooperate with RYLR900 module's scheme, have the transmission distance far away, the working power consumption is low, interference immunity is strong and low hardware cost's advantage; the running state can be displayed through the indicating lamp; the processing performance is strong by adopting a micro control unit MCU based on Arduino; the mobile phone or the computer can be connected with the ESP8266 module through WiFi, and the control is convenient.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.

In the drawings:

fig. 1 is a schematic circuit diagram of a high voltage current detection device based on LORA technique in embodiment 1;

fig. 2 is a schematic circuit diagram of a LORA transmitter module in embodiment 1.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.

Example 1

Referring to fig. 1, fig. 1 is a schematic circuit diagram of a high voltage current detection device based on LORA technology in this embodiment 1, which includes a current detection host and a remote communication module, where the remote communication module and the current detection host are connected in parallel by pins, the remote communication module includes a LORA receiving module and a 4G module, the LORA receiving module includes an SX1262 wireless transceiver and an RYLR900 module, the SX1262 wireless transceiver is connected to the RYLR900 module, and the current detection host is connected to the SX1262 wireless transceiver and the 4G module respectively. The 4G module can realize data uplink from the remote communication module to the main station.

The LORA technology has the following advantages:

1. the low power consumption transmission distance is far. The sensitivity of the LoRa module is-148 dBm, the communication distance is greater than 10 kilometers, the problem that the power consumption and the transmission distance cannot be achieved at the same time is solved, and a very large application space is provided in practical application;

2. the anti-interference performance is strong;

3. easy to construct and deploy, and free of license plate frequency band nodes. The LoRa module is extremely low in cost and can take great advantage in future large-scale popularization;

4. the service life is long. The receiving current of the LoRa module is 10MA, the dormancy current is less than 200NA, and the service life of the LoRa module is as long as 5 years under the condition of using a battery.

In a specific embodiment, the SPI pin of the SX1262 wireless transceiver is connected to the SPI pin of the RYLR900 module, and the DIO 0-5 pins of the SX1262 wireless transceiver are connected to the DIO 0-5 pins of the RYLR900 module.

Furthermore, the RYLR900 module is connected with a receiving antenna.

IN order to display the operation state, the SX1262 wireless transceiver is connected with an indicator lamp which is connected to a VDD _ IN pin of the SX1262 wireless transceiver IN series, and the indicator lamp is turned on when the SX1262 wireless transceiver operates normally.

In a preferred embodiment, the MCU is Arduino, the TXD pin of the SX1262 transceiver is connected to the RXD pin of Arduino, the RXD pin of the SX1262 wireless transceiver is connected to the TXD pin of Arduino, and the NRST pin of the SX1262 wireless transceiver is connected to the NRST pin of Arduino. Arduino is a convenient, flexible and convenient hardware product with open source, has abundant interfaces, has a digital I/O port and an analog I/O port, and simultaneously supports SPI, IIC and UART serial communication. The environment can be sensed by various sensors, and the environment can be influenced by controlling lights, motors and other devices. It has no complex bottom code of single chip, no unintelligible assembly and is simple and practical function. And has simple and convenient programming environment IDE, great degree of freedom, very high expansibility.

Specifically, the SX1262 wireless transceiver is responsible for processing data received by the LORA receiving module, and when the LORA receiving module receives a command signal through the receiving antenna, the signal is sent to the MCU through the SX1262 wireless transceiver, so as to receive downlink signals.

Referring to fig. 2, further, the LORA receiving module is wirelessly connected to a LORA transmitting module, which is based on an ESP8266 module, and the ESP8266 module is connected to another RYLR900 module. The LORA transmitting module can be installed in a master station and can also be designed as mobile equipment, preferably, the ESP8266 module is set to be in an AP mode, a mobile phone or a computer is connected with the ESP8266 module through WiFi, a person can send an instruction through the mobile phone or the computer, the instruction signal is sent out by a transmitting antenna of the LORA transmitting module through the ESP8266 module, a receiving antenna of the LORA receiving module receives a signal sent out by a transmitting antenna of the LORA transmitting module, and signal downlink from the master station to the remote communication module is completed.

As a specific implementation, the GPIO15 pin and the GPIO13 pin of the ESP8266 module are respectively connected to the RX pin and the TX pin of another RYLR900 module. The ESP8266 module can operate in three modes, respectively: AP mode, station mode, and hybrid mode. The AP mode, namely the ESP8266 module is used as a hot spot, a mobile phone or a computer is directly connected with the module, the ESP8266 module drives the RYLR900 module, the mobile phone or the computer sends an instruction through a local area network, and the instruction is transmitted by the RYLR900 module.

Through the scheme of this embodiment, the utility model relates to a current detection device based on LORA technique, data down adopt the scheme of SX1262 wireless transceiver cooperation RYLR900 module, have the transmission distance far away, the working power dissipation is low, interference immunity is strong and low hardware cost's advantage; the running state can be displayed through the indicating lamp; the processing performance is strong by adopting a micro control unit MCU based on Arduino; the mobile phone or the computer can be connected with the ESP8266 module through WiFi, and the control is convenient.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a high tension current detection device based on LORA technique, includes the current detection host computer, its characterized in that still includes the remote communication module, the remote communication module passes through contact pin mode and links together with the current detection host computer in parallel, the remote communication module includes LORA receiving module and 4G module, LORA receiving module includes SX1262 wireless transceiver and RYLR900 module, SX1262 wireless transceiver is connected with RYLR900 module, the current detection host computer is connected with SX1262 wireless transceiver and 4G module respectively.

2. The device as claimed in claim 1, wherein the SPI pin of the SX1262 transceiver is connected to the SPI pin of the RYLR900 module, and the DIO 0-5 pins of the SX1262 transceiver are connected to the DIO 0-5 pins of the RYLR900 module.

3. The LORA-based high-voltage current detection device as claimed in claim 1, wherein the RYLR900 module is connected with a receiving antenna.

4. The LORA-based high-voltage current detection device as claimed IN claim 1, wherein an indicator lamp is connected to the SX1262 wireless transceiver and is connected to a VDD _ IN pin of the SX1262 wireless transceiver IN series.

5. The LORA-based high-voltage current detection device as claimed in claim 1, wherein the current detection host comprises a MCU, and the SX1262 wireless transceiver is connected with the MCU.

6. The LORA-based high-voltage current detection device as claimed in claim 5, wherein the MCU is configured to employ Arduino, the TXD pin of the SX1262 wireless transceiver is connected with the RXD pin of Arduino, the RXD pin of the SX1262 wireless transceiver is connected with the TXD pin of Arduino, and the NRST pin of the SX1262 wireless transceiver is connected with the NRST pin of Arduino.

7. The device as claimed in claim 1, wherein the LORA receiving module is wirelessly connected to the LORA transmitting module, the LORA transmitting module is based on ESP8266 module, and the ESP8266 module is connected to another RYLR900 module.

8. The LORA technology-based high-voltage current detection device as claimed in claim 7, wherein the ESP8266 module is set to AP mode, and a mobile phone or a computer is connected with the ESP8266 module through WiFi.

9. The LORA-technology-based high-voltage current detection device as claimed in claim 7, wherein the GPIO15 pin and the GPIO13 pin of the ESP8266 module are respectively connected with the RX pin and the TX pin of another RYLR900 module.

10. The device as claimed in claim 7, wherein the RYLR900 module of the LORA transmitter module is connected to a transmitter antenna.