Water level sensor based on LoRa wireless data transmission

Abstract

The utility model discloses a water level sensor based on LoRa wireless data transmission. The water level sensor comprises a water level detection module, a data processing module, a LoRa wireless transmission module and a power supply module. Wherein the water level detection module detects water level data in real time, the data processing module receives and processes the data of the water level detection module in real time, the LoRa wireless transmission module realizes remote transmission of the data, and the power supply module provides a stable power supply for the whole system. According to the sensor, the LoRa wireless communication technology is utilized, long-distance and high-stability water level data real-time transmission is achieved, and the power supply module is used for providing a stable working power supply for the water level detection module, the data processing module and the LoRa wireless transmission module; the water level monitoring device has the characteristics of simplicity and convenience in installation, quick response, long communication distance and the like, and is suitable for water level monitoring in various water area environments.

Description

Technical Field

[0001] The utility model belongs to the technical field of Internet of Things, and specifically relates to a water level sensor based on LoRa wireless data transmission. Background Art

[0002] With the rapid development of Internet of Things technology, water level monitoring, as an important task in the fields of water conservancy, environmental protection, agriculture, etc., has put forward higher requirements for the stability, real-time and communication distance of data transmission. Traditional water level sensors usually use wired transmission, which has problems such as complex wiring, short communication distance and susceptibility to environmental interference. LoRa wireless technology has become an ideal choice for water level sensor data transmission with its long distance, low power consumption and strong anti-interference ability. Summary of the invention

[0003] The utility model aims to provide a water level sensor based on LoRa wireless data transmission to solve the problems existing in traditional water level sensors in data transmission.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a water level sensor based on LoRa wireless data transmission, including a water level detection module, a data processing module, a LoRa wireless transmission module and a power supply module; wherein the water level detection module is used to detect the water level height in real time and convert the detected water level signal into an electrical signal; the data processing module is used to receive and process the data of the water level detection module in real time; the LoRa wireless transmission module includes a LoRa wireless communication chip and an antenna for receiving data from the data processing module, and sending the water level data to a remote receiving end through LoRa wireless technology; the power supply module is used to provide a stable working power supply to the water level detection module, the data processing module and the LoRa wireless transmission module.

[0005] As a preferred structure of the utility model, the water level sensor based on LoRa wireless data transmission also includes a data storage module for storing the detected water level data in a local memory for subsequent data query.

[0006] As a preferred structure of the utility model, the data processing module uses the STM32F103 chip as the core processor.

[0007] As a preferred structure of the utility model, the water level detection module adopts a MIK-P260 type immersion liquid level transmitter.

[0008] As a preferred structure of the utility model, the power module has overvoltage and overcurrent protection functions, and can automatically cut off the power supply in the event of power abnormality to protect the sensor from damage.

[0009] As a preferred structure of the present utility model, the LoRa wireless communication chip is a SX1268 chip.

[0010] Compared with the prior art, the technical solution adopted by the utility model has the following beneficial effects:

[0011] 1. The water level detection module of the utility model adopts the MIK-P260 submersible liquid level transmitter as the core detection element, which has the characteristics of high precision and high sensitivity and can accurately sense the changes in water level height.

[0012] 2. The LoRa wireless transmission module used in the utility model can achieve long-distance and high-stability data transmission.

[0013] 3. The power module in the utility model also has the characteristic of low power consumption, which can extend the service life of the water level sensor.

[0014] 4. A new data storage module is added in the utility model to facilitate subsequent data query. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a water level sensor based on LoRa wireless data transmission in the present invention. DETAILED DESCRIPTION

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] like Figure 1 As shown, a water level sensor based on LoRa wireless data transmission in this embodiment includes the following:

[0018] 1. Water level detection module

[0019] The water level detection module is one of the core components of the utility model. Its main function is to detect the water level in real time and convert the detected water level signal into an electrical signal for subsequent data processing and transmission.

[0020] In the specific implementation, the water level detection module uses the MIK-P260 submersible level transmitter as the core detection element. The level transmitter has the characteristics of high precision and high sensitivity, and can accurately sense the changes in water level height.

[0021] Preferably, the water level detection module adopts a waterproof and sealed design to ensure that the sensor can work normally in a water environment. At the same time, the module also has a waterproof and breathable function, which can ensure waterproof performance while preventing condensation from affecting the performance of the sensor.

[0022] 2. Data processing module

[0023] The data processing module is one of the core components of the utility model. Its main function is to receive the electrical signal of the water level detection module and forward it to the LoRa wireless transmission module after data processing. Currently, the data processing module uses the STM32F103 chip.

[0024] 3. LoRa wireless transmission module

[0025] The LoRa wireless transmission module is another important component of the utility model, and its main function is to realize long-distance and high-stability transmission of water level data.

[0026] In the specific implementation, the LoRa wireless transmission module uses the high-performance SX1268 LoRa wireless communication chip, which has the characteristics of low power consumption, long-distance communication and strong anti-interference ability. Through reasonable antenna design and signal modulation technology, the module can achieve stable and reliable data transmission.

[0027] In order to further improve the stability and reliability of data transmission, the LoRa wireless transmission module also adopts data retransmission and automatic error correction mechanism. When data transmission is wrong or lost, the module can automatically retransmit and correct errors to ensure the integrity and accuracy of the data.

[0028] 4. Power module

[0029] The power module is the power supply part of the utility model, which provides a stable working power supply for the entire sensor.

[0030] In this embodiment, the power module has overvoltage and overcurrent protection functions, and can automatically cut off the power supply in the event of power abnormality to protect the sensor from damage.

[0031] In order to facilitate the installation and use of the sensor, the power module also adopts a wide voltage input, which can adapt to power supply environments with different voltage levels. In addition, the module also has the characteristics of low ripple and low noise, which can ensure that the sensor is not affected by power supply interference during operation.

[0032] As a preferred embodiment of the present implementation, a water level sensor based on LoRa wireless data transmission also includes a data storage module for storing the detected water level data in a local memory for subsequent data query.

[0033] The entire workflow of the utility model is as follows:

[0034] 1) The water level detection module detects the water level in real time and converts the detected water level signal into an electrical signal.

[0035] 2) The data processing module receives the electrical signal from the water level detection module, processes the data, and encodes it into a format suitable for transmission by the LoRa wireless transmission module.

[0036] 3) The LoRa wireless transmission module receives data from the data processing module and sends the water level data to the remote receiving end through LoRa wireless technology.

[0037] 4) The power module provides stable working power for the entire sensor body.

[0038] The above description is only a preferred embodiment of the present invention and does not constitute a limitation on the protection scope of the present invention. Any modification, equivalent replacement and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A water level sensor based on LoRa wireless data transmission, characterized in that: It includes a water level detection module, a data processing module, a LoRa wireless transmission module and a power module; wherein the water level detection module is used to detect the water level height in real time and convert the detected water level signal into an electrical signal; the data processing module is used to receive and process the data of the water level detection module in real time; the LoRa wireless transmission module includes a LoRa wireless communication chip and an antenna, which are used to receive data from the data processing module and send the water level data to a remote receiving end through the LoRa wireless technology; the power module is used to provide a stable working power supply to the water level detection module, the data processing module and the LoRa wireless transmission module.

2. A water level sensor based on LoRa wireless data transmission according to claim 1, characterized in that: It also includes a data storage module for storing the detected water level data in a local memory for subsequent data query.

3. A water level sensor based on LoRa wireless data transmission according to claim 1 or 2, characterized in that: The data processing module uses the STM32F103 chip as the core processor.

4. A water level sensor based on LoRa wireless data transmission according to claim 1 or 2, characterized in that: The water level detection module adopts MIK-P260 type immersion liquid level transmitter.

5. A water level sensor based on LoRa wireless data transmission according to claim 1 or 2, characterized in that: The power module has overvoltage and overcurrent protection functions and can automatically cut off power supply in the event of power failure to protect the sensor from damage.

6. A water level sensor based on LoRa wireless data transmission according to claim 1 or 2, characterized in that: The LoRa wireless communication chip is a SX1268 chip.

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