Device for remotely collecting and transmitting oil-contaminated soil parameters

Abstract

The invention relates to the field of environmental protection and can be used for remotely collecting and transmitting physicochemical parameters of oil-contaminated soil using LoRaWAN technology. The technical result is the possibility of simplifying to the greatest possible extent both the process of laying sensors during the preparation of a site for a purification plant, and the process of retrieving said sensors without the need for excavation. This is achieved in that a device for remotely collecting and transmitting physicochemical parameters of oil-contaminated soil using LoRaWAN technology comprises a spherocylinder-shaped housing which is fabricated from a high tensile strength plastic such as ABS by thermoforming or 3D printing and which consists of a front part, a middle part and a rear part which are connected to one another by means of a threaded connection via a fluoroplastic liner, wherein electronic components which are fastened to guides and are prevented from free movement are arranged inside the housing, and lugs are provided on the outside of the housing.

Description

[0001] DEVICE FOR REMOTE COLLECTION AND TRANSMISSION OF OIL-CONTAMINATED SOIL PARAMETERS

[0002] The invention relates to the field of environmental protection and can be used for remote collection and transmission of physical and chemical parameters of oil-contaminated soil based on LoRaWAN technology.

[0003] The closest in essence (prototype) to the claimed invention is a device for assessing the depth of penetration of petroleum products into the soil, containing a collapsible metal body installed on a solid base, which is made in the form of separate modules, along the perimeter of which coaxial holes are made for fastening these modules to each other along the height to form a container for a soil sample, in which the device additionally contains metal rigid plates, each of which is made with longitudinal slots, the width of which is not less than the width of the projection of the body module, wherein each of the modules on one of the surfaces of the side of the perimeter has projections, and grooves are made on the lower side of this module, wherein the plate forms the bottom of each module, in order to fix the plate in the extended position, pins are installed in the base and secured using corners in the upper module, at the moment of extension, the plates rest against the pins,thereby preventing the plate from falling out / RU 198068 U1, published 17.06.2020 / .,

[0004] The disadvantage of this analogue is the lack of the ability to collect and transmit physical and chemical parameters of oil-contaminated soil based on LoRaWAN technology.

[0005] The objective of the invention is to create a new improved device for remote collection and transmission of physical and chemical parameters of oil-contaminated soil based on LoRaWAN technology with improved technical characteristics.

[0006] The technical result is the ability to perform both point-by-point laying of individual sensors in additional or point control zones, and to form embedded blocks with the required density and frequency of placement of sensors of various types in the form of mesh pipe channels, which will ultimately simplify as much as possible both the process of laying sensors during the formation of a treatment facility (mile), and the process of their extraction without carrying out excavation work.

[0007] This is achieved by the fact that the device for remote collection and transmission of physical and chemical parameters of oil-contaminated soil based on LoRaWAN technology, including a collapsible housing, which is made in the form of separate modules, characterized in that it contains a housing in the form of a spherical cylinder, manufactured by thermal forming or by 3D printing from high-strength ABS plastic, and which consists of the front, middle and rear parts of the housing, which are connected to each other by means of a threaded connection through a fluoroplastic gasket, also inside the housing there are electronic components fixed on the guides and excluding their free movement, and on the outside there are lugs on the housing, the front part of the housing is a removable hemisphere fixed to the housing by means of a threaded connection through a fluoroplastic gasket, inside the front part of the housing there is a battery recharging board with a USB-C connector,brought out through a sealed hole into the cavity under the sphere, the JTAG diagnostic connector and self-diagnostics board, diagnostic connector contacts, a button to start the device self-diagnostics procedure and indicator elements brought out into the cavity under the sphere, inside the middle part of the case there are two power elements with a capacity of at least 2400 mAh, fixed in contact panels, behind the battery block there is a microcontroller module board, on the back side of the module there is a radio module for operation in LoRa networks at a frequency of 868 MHz with a pin antenna of size Yg X fixed on the SMA connector and located along the battery block, in the rear part of the case there is a double-sided support platform for external sensors and symmetrical hemispherical recesses for bringing out the active part of the gaseous substance sensors without protruding beyond the overall lines of the case,inside the rear part of the housing there is an analog-to-digital converter board with electroactive gas sensors, a capacitive soil moisture sensor, a temperature sensor and a pH sensor connected to it; on one side, a soil moisture sensor is installed on the support pad, and on the opposite side, a temperature sensor and a pH sensor.

[0008] Four lugs are installed on the body symmetrically relative to each other along parallel planes and one lug on the removable hemisphere of the body. The boards of the electronic components are connected to each other by means of flexible cables and quick-release connections of the D-Point type. The board of the microcontroller module with the radio module is designed with the possibility of programmable periodic polling of sensors of physical and chemical parameters of the environment (soil) and transmission of the received telemetry data via a radio channel over the LoRaWAN network to the gateway equipment. The board of the microcontroller module with the radio module is designed with the possibility of remote monitoring and control via the built-in software. Figures 1-2 show a visual diagram of the device for remote collection and transmission of physical and chemical parameters of oil-contaminated soil based on LoRaWAN technology (top and bottom views of the device in section), on which the following positions of the elements are designated:

[0009] 1 - body; 2 - double-sided support platform; 3 - lugs; 4 - removable hemisphere; 5 - battery recharging board; 6 - JTAG diagnostic connector and self-diagnostics board; 7 - 18650 power elements with a capacity of at least 2400 mAh; 8 - microcontroller module (MCU) board; 9 - analog-to-digital converter board; 10 - electroactive gas sensors; 11 - temperature sensor; 12 - pH sensor; 13 - capacitive soil moisture sensor.

[0010] The invention works as follows.

[0011] The device is structurally a spherical cylinder and is manufactured using thermal forming or 3D printing from high-strength ABS plastic. The rear part of the device housing (1) has a double-sided support platform (2) for external sensors. The front part of the device housing is a removable hemisphere (4) that is attached to the housing by means of a threaded connection through a fluoroplastic gasket to ensure tightness.

[0012] The body has four lugs (3) located symmetrically relative to each other along parallel planes, and one lug on the spherical part. These elements are designed to secure several devices together when they are filled with soil at treatment sites and then removed.

[0013] The housing also provides symmetrical hemispherical recesses in the rear part for the output of the active part of the gaseous substance sensors without protruding beyond the overall lines of the housing. The front and rear parts of the housing are connected to the middle part also by means of threaded connections sealed in the specified manner, which allows, first of all, to ensure rapid component assembly of the device during their serial production, and also allows for complete or partial disassembly of the device for repair and maintenance of the device.

[0014] Inside the case, there are electronic components of the device, fixed on guides and excluding their free movement. In the front part of the device, there is a battery recharging board (5) with a USB-C connector, brought out through a sealed hole into the cavity under the sphere. There is also a board of the JTAG diagnostic connector and self-diagnostics (6). The contacts of the diagnostic connector, the button for starting the self-diagnostics procedure of the device and the indication elements (low-current LEDs of different colors) are also brought out into the cavity under the sphere. The logic of the self-diagnostics procedure and indication of the state of the device as a whole and its components separately (microprocessor module, sensors, battery, etc.) is determined at the stage of programming the device.

[0015] In the middle part there are two power elements (7) of the 18650 type with a capacity of at least 2400 mAh, fixed in special contact panels, providing for their quick replacement if necessary. Following the battery block is the board of the microcontroller module - MCU (8). On the back side of the module there is a radio module - RFU (14) for operation in LoRa networks at a frequency of 868 MHz with a pin antenna of size 1 X fixed on the SMA connector and located along the battery block.

[0016] In the rear part there is an analog-to-digital converter board (9) with electroactive gas sensors (10), a capacitive soil moisture sensor (13), a temperature sensor (11) and a pH sensor (12) connected to it. On the conventional right side, a soil moisture sensor is installed on the support platform, and on the opposite (conventionally left) side - a temperature sensor and a pH sensor. The terminals of the housings of the external sensors and their active elements are sealed during assembly with a plastic polymer material resistant to aggressive environments.

[0017] Connections between electronic component boards are made using flexible cables and D-Point quick-release connections.

[0018] The main functionality of the device is programmable periodic polling of sensors of physical and chemical parameters of the environment (soil) and transmission of received telemetry data via a radio channel over the LoRaWAN network to gateway equipment.

[0019] Changing the parameters and controlling the operation of the device is done by sending a broadcast UDP packet containing special service commands.

[0020] When using the MCU board with a built-in wireless module, it is possible to remotely monitor and control via the built-in software.

[0021] Additionally, the device can be equipped with an SD memory card for cumulative mode of operation for collecting readings in special cases that exclude the use of radio communication.

[0022] The main operating modes of the device are:

[0023] - “Sleep”: all active power consumers (sensors, radio module) are switched off, indication is disabled, MCU is also in “sleep” mode;

[0024] - “Simple”: all active consumers are switched off, MCU is active, indication is on;

[0025] - “Work - Collection”: the device performs its functions of collecting data from sensors;

[0026] - "Work - Transmit": the device is transmitting data (highest power consumption mode)

[0027] - “Work - Reception” the device “listens to the air” or receives data from the base station (server).

Claims

CLAUSE OF INVENTION 1. A device for remote collection and transmission of physical and chemical parameters of oil-contaminated soil based on LoRaWAN technology, including a collapsible housing, which is made in the form of separate modules, characterized in that it contains a housing in the form of a spherical cylinder, manufactured by thermal forming or 3D printing from high-strength ABS plastic, and which consists of a front, middle and rear parts of the housing, which are connected to each other by means of a threaded connection through a fluoroplastic gasket, also inside the housing there are electronic components fixed on guides and excluding their free movement, and on the outside there are lugs on the housing, the front part of the housing is a removable hemisphere fixed to the housing by means of a threaded connection through a fluoroplastic gasket, inside the front part of the housing there is a battery recharging board with a USB-C connector,brought out through a sealed hole into the cavity under the sphere, the JTAG diagnostic connector and self-diagnostics board, diagnostic connector contacts, a button to start the device self-diagnostics procedure and indicator elements brought out into the cavity under the sphere, inside the middle part of the case there are two power elements with a capacity of at least 2400 mAh, fixed in contact panels, behind the battery block there is a microcontroller module board, on the back side of the module there is a radio module for operation in LoRa networks at a frequency of 868 MHz with a pin antenna of UX size fixed on the SMA connector and located along the battery block, in the rear part of the housing there is a two-sided support platform for external sensors and symmetrical hemispherical recesses for the output of the active part of the gaseous substance sensors without protruding beyond the overall lines of the housing, inside the rear part of the housing there is an analog-to-digital converter board with electroactive gas sensors connected to it, a capacitive soil moisture sensor, a temperature sensor and a pH sensor, on one side of the support platform there is a soil moisture sensor, on the opposite side there is a temperature sensor and a pH sensor.

2. The device according to item 1, characterized in that four lugs are installed on the body symmetrically relative to each other along parallel planes and one lug on a removable hemisphere of the body.

3. The device according to item 1, characterized in that the boards of electronic components are connected to each other by means of flexible cables and quick-release connections of the D-Point type.

4. The device according to item 1, characterized in that the board of the microcontroller module with the radio module is designed with the possibility of programmable periodic polling of sensors of physical and chemical indicators of the environment (soil) and transmission of the received telemetry data via a radio channel over the LoRaWAN network to the gateway equipment.

5. The device according to item 1, characterized in that the board of the microcontroller module with the radio module is designed with the possibility of remote monitoring and control via built-in software.

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