RU200085U1 - CORROSION TRANSMISSION DEVICE - Google Patents

Abstract

The utility model relates to the field of analysis of material parameters, in particular to measuring the level of corrosion. The technical result achieved by the solution is to expand the functionality, increase the accuracy of movements, expand the arsenal of technical means, increase the battery life of the device. The specified technical result is achieved due to the fact that that a device for transmitting corrosion data has been developed, comprising: a housing; a receiving unit configured to receive data from an external sensor; a processing unit configured to receive data from the receiving unit, determine the level of corrosion based on this data, command the transmitting unit to transmit data on the level of corrosion; a transmission unit configured to transmit data on the level of corrosion to external devices; a power supply unit configured to transmit electrical power to a receiving unit, a processing unit, and a transmission unit; moreover, the receiving unit, the processing unit, the transmission unit, the power supply are installed in the housing; the transmission unit is configured to transmit data in accordance with at least one of NB IoT communication standard or LoRa protocol, the processing unit is configured to set a schedule for receiving data from the data reception and transmission unit using the transmission unit. 8 p.p. f-ly, 2 dwg

Description

The technical field to which the utility model belongs.

The utility model relates to the field of analysis of material parameters, in particular, to the measurement of the level of corrosion.

State of the art.

Known is a steel corrosion detection system and a detection method based on a high-frequency passive RFID tag (RU 2685799 C1, publ. 05/12/2016). This reference discloses a corrosion measurement system (100) that includes a corrosion sensor (110) having a corrosion sensor output that is dependent on corrosion due to exposure to a process fluid (104). The process variable sensor (106) provides a process variable output that is dependent on a variable characteristic of the fluid (104). A measurement circuit (120) coupled to a corrosion sensor (110) and a process variable sensor (106) provides a corrosion dependent output based on the corrosion sensor output and the process variable output. The technical result is to improve the accuracy and information content of the data obtained. However, this source does not disclose the use of LoRa or IoT transmitters, does not disclose the possibility of reconfiguring the sensor measurement parameters.

It is known that the solution selected as a prototype according to the patent CN 110849972 A, publ. 02/28/2020. This document discloses a system and method for ultrasonic monitoring of the state of internal corrosion of a pipeline based on the Internet of Things. This reference discloses an IoT-based ultrasonic system and method for monitoring corrosive conditions within a pipeline. The system contains a solar power and storage unit, an outdoor rack and a boxed part of a wireless workstation, in which an ultrasonic thickness measurement host node and a plurality of monitoring points wirelessly form part of the Internet of Things, in which a solar power source and a storage part contains polysilicon solar panel, solar panel controller, lead acid battery and DC module; an outdoor stand and a wireless workstation box body include a wireless workstation box body, a box body hoop bracket, a stainless steel hoop, and a chassis stand bracket; the host assembly for ultrasonic thickness measurement contains a sealed body of the main board for measuring the thickness, a multi-channel transmitting and receiving patch panel, the main board for ultrasonic thickness measurement, an ultrasonic probe, a probe clamp, and a wireless communication module; a portion of the Internet of Things formed by multiple monitoring points contains a wireless gateway. Thus, the invention realizes real-time corrosion monitoring and provides a pipeline wear assessment and service life assessment. However, this solution does not disclose that the corrosion measurement can be configured according to a given schedule, that the schedule can be adjusted.

Disclosure of the utility model.

In one aspect of the invention, an apparatus for transmitting corrosion data is disclosed, comprising:

- body;

- a receiving unit configured to receive data from an external sensor;

- a processing unit capable of receiving data from the receiving unit, determining the level of corrosion based on these data, commanding the transmitting unit to transmit data on the level of corrosion;

- a transmission unit capable of transmitting data on the level of corrosion to external devices;

- a power supply unit configured to transmit electrical energy to a receiving unit, a processing unit and a transmission unit;

moreover

the receiving unit, the processing unit, the transmitting unit, the power supply are installed in the housing and are connected directly or indirectly by means of communication lines;

the transmission unit is configured to transmit data in accordance with at least one of the NB IoT communication standard or the LoRa protocol,

the processing unit is configured to set a schedule for receiving data from the data receiving and transmitting unit using the transmitting unit.

In additional aspects of the invention, it is disclosed that the schedule for receiving data from the receiving unit and the schedule for transmitting data using the transmitting unit differ from each other, wherein the processing unit receives data from the receiving unit rather than transmits it through the transmitting unit; the processing unit is configured to command the transmission unit to transmit data as a predetermined amount of data on the corrosion level accumulates; the processing unit is configured to set a schedule for obtaining data from the receiving unit depending on the corrosion rate; the processing unit is configured to receive commands for setting a schedule from at least one of the controls located on the body or a connected external device; the body is sealed; the receiving unit is configured to receive data from an external sensor in digital form; the receiving unit is configured to receive data from an external sensor in analog form, the device for transmitting corrosion data additionally contains an ADC for digitizing and further processing the data in the processing unit; the processing unit is configured to receive control signals from the external device defining a schedule for receiving data from the data receiving and transmitting unit using the transmitting unit.

The main task solved by the claimed utility model is the creation of an autonomous device for measuring corrosion parameters and transmitting these data to external control systems.

The essence of the utility model is that an autonomous device has been developed, which, according to the specified settings, receives signals from a corrosion sensor, processes them, determines corrosion parameters and wirelessly transmits corrosion data to an external system.

The technical result achieved by the solution consists in expanding the arsenal of technical means, expanding the functionality, and increasing the battery life of the device.

Brief description of the drawings.

FIG. 1 schematically shows the external appearance of the device.

FIG. 2 shows a block diagram of the device.

Implementation of the utility model.

The utility model is a structurally uniform device placed in the housing, consisting of a signal converter obtained from a corrosion electrode; a microprocessor device containing a program for processing the signal from the signal converter and for sending the measured value to the wireless transmitter; wireless transmitter; power supply. The functional purpose of the proposed device is to transmit corrosion signals of the controlled object.

FIG. 1 shows the views of the device from the front, left, right, top without a cover and a perspective view.

FIG. 1 shows the antenna 1 connected to the electronic units of the claimed device using the antenna connector 2, the electronic units of the device are also connected to the corrosion sensor (not shown in Fig. 1), through the cable gland 3 of the sensor wires, the housing 4 contains all the electronic units, and is attached to it antenna 1 and hermetic grommet 3.

FIG. 2 shows a block diagram of an embodiment of the claimed device. Functionally, the device consists of a unit 201 for receiving a signal from a corrosion sensor; a processing unit 202, configured to receive data from the receiving unit 201, process them, based on the processing, determine the level of corrosion of the object to be inspected; a power supply unit 203 configured to supply power to the processing unit 202, signal receiving unit 201, transmitting unit 204; a transmission unit 204, adapted to wirelessly transmit data on a determined level of corrosion to external data collection systems.

The above blocks are located in a single housing, connected to each other by communication lines. Power unit 203 is connected to other units by communication lines transmitting at least electric power. Receiving unit 201, processing unit 202, transmitting unit 204 are connected to each other by communication lines transmitting information signals. Communication lines can carry both analog and digital signals. The receiving unit 201 is indirectly connected to the transmitting unit 204 (via the processing unit 202), the processing unit 202 is connected to the other units directly.

Function blocks are not always physical blocks. An integrated circuit with a microprocessor and an ADC, which basically implements the functionality of the processing unit 202, may partially or completely implement the functionality of the receiving unit 201. If a signal transmitter is built into this integrated circuit, it performs the functionality of the transmission unit 204.

Operation of the proposed device.

The claimed device for measuring and transmitting corrosion data operates as follows: the receiving unit 201 picks up signals from the electrodes of the external corrosion sensor, converts them into digital form, if necessary, and transmits them to the processing unit 202, which processes them, calculating the level of corrosion of the object in which a corrosion sensor is installed, then the processing unit 202 transmits the corrosion level data to the transmission unit 204 and commands it to wirelessly transmit corrosion data to an external data collection system.

The operation of the claimed device is ensured by the presence of a power unit 203, which supplies electric current to a receiving unit 201, a processing unit 202, and a transmitting unit 204. The power supply is at least one of a battery or a rechargeable battery.

The processing unit 202 controls the reception of signals from the receiving unit 201 according to a predetermined schedule, and this schedule can be set by the operator using external setting means connected to the processing unit 202 through a dedicated connector. In particular, the setting can be carried out by connecting a laptop, computer, phone or other suitable means to the claimed device via a USB connector. This setting can provide optimal power consumption of the claimed device, which is ensured by the optimal switching frequency for receiving and sending corrosion data.

In one embodiment, the processing unit 202 completely controls the corrosion measurement process: turns on and off the power on the receiving unit 201, in the case of an analog sensor, adjusts the voltage supplied to the sensor electrodes, and calculates corrosion parameters from the received voltage and the measured current through the liquid in the pipe. in which the sensor is installed, in case of receipt of a digital signal via the RS485 protocol, it initiates a data request command and receives a response through the receiving unit 201.

To conserve energy from the power supply unit 203, in one embodiment, the processing unit 202 receives data from the receiving unit 201 according to one schedule, stores this data in memory, and initiates the transmission of data on the level of corrosion of the object according to a different schedule or as a predetermined amount of data accumulates in memory. ... In another embodiment, the schedule for receiving and transmitting data is the same.

Utility model embodiment

In one embodiment, the receiving unit 201 is implemented on the basis of at least one of a digital receiver receiving signals, for example, according to the RS485 communication standard protocol, or an analog receiver with an ADC (analog-to-digital converter) that receives analog signals from a sensor, digitizes and transfers them to the processing unit 202.

The processing unit 202 is implemented on the basis of at least one of a microprocessor, a processor, a microcontroller, a controller, an application specific integrated circuit. The receiving unit 201 is functionally connected to the processing unit 202 via a communication line, in particular, a data bus.

In one embodiment, the device uses a transmit unit 204 implemented as an NB IoT modem that operates in a dedicated frequency range, such as B3, B7 or B20, with an output power of about 23 dBm. Another option uses a LoRa modem with a frequency range of 850-930 MHz and an output signal power of about 25 mW. The transmission unit 204 is operatively connected to the processing unit 202 through a communication line, in particular a data bus.

The NB IoT (Narrow Band Internet of Things) communication standard is known to those skilled in the art, and the implementation of the transmission unit 204 based on this standard is a task that can be solved by standard means known to those skilled in the art.

The LoRa (Long Range) protocol used in LPWANs is also well known to those skilled in the art, and the implementation of the transfer unit 204 using this protocol is a task that is accomplished by standard means known to those skilled in the art.

In one embodiment, two batteries of the ER26500M type are used as the power supply unit 203, providing a supply voltage of 3.6 V. The power supply unit 203 is operatively connected to the receiving unit 201, the processing unit 202, the transmitting unit 204 by means of electric power transmission lines.

The entire device is housed in a plastic case with dimensions of 160 × 80 × 56 mm, which has an IP64 degree of protection, the connectors for connection are terminal blocks. Sealed housing, sealed lead-in for the signal transmission line from the corrosion sensor, sealed lead-out for the signal transmission line to the antenna ensure reliable operation of the claimed device in the open air.

In one embodiment, the processing unit 202 is configured to set parameters for receiving data from the receiving unit 201 and transmission parameters using the transmitting unit 204. In particular, the processing unit 202 is configured to schedule data acquisition and transmission. On the body of the device for these purposes, controls or an input connector (for example, micro USB) can be provided for connecting an external device that adjusts the operation of the processing unit 202 accordingly.

In one embodiment, the processing unit 202 is configured to set the acquisition time as a function of the corrosion rate. If, based on previous corrosion data, the corrosion rate has been determined to be below a predetermined threshold, the polling rate of the corrosion sensor is reduced; if the measurement determines that the corrosion rate is greater than the predetermined threshold, then the polling rate of the sensor will be increased, thus spending less energy. power supply unit 203 and increases the operating time of the claimed device until the power supply unit 203 is replaced.

The embodiments are not limited to the embodiments described herein, a person skilled in the art based on the information set forth in the description and knowledge of the prior art will become apparent and other embodiments of the utility model, without going beyond the essence and scope of this utility model.

In this application, a block is understood to mean a functional element implemented by standard means known to a person skilled in the art. A block performing a functional purpose related to mechanical actions is a mechanical unit implemented on the basis of drives, gears, gears, shafts, etc., a unit performing a functional purpose related to electrical signal processing is an electronic unit implemented based on microcircuits, electronic components, etc.

The functional connection of elements should be understood as a connection that ensures the correct interaction of these elements with each other and the implementation of one or another functionality of the elements. Particular examples of functional communication can be communication with the ability to exchange information, communication with the ability to transmit electric current, communication with the ability to transmit mechanical motion, communication with the ability to transmit light, sound, electromagnetic or mechanical vibrations, etc. The specific type of functional relationship is determined by the nature of the interaction of these elements, and, unless otherwise indicated, is provided by widely known means using principles widely known in the art.

The mentioned communication lines, unless otherwise indicated, are standard communication lines known to specialists, the material implementation of which does not require creative efforts. The communication line can be a wire, a set of wires, a bus, a wireless communication line (radio frequency, infrared, ultrasonic, etc.). Communication protocols over communication lines are known to those skilled in the art and are not specifically mentioned.

Elements mentioned in the singular do not exclude the plurality of elements, unless otherwise specified.

The elements of the proposed device are located in a common housing, structurally and functionally connected to each other by means of assembly (assembly) operations.

The application does not indicate specific software and hardware for the implementation of blocks in the drawings, but a specialist in the field of technology should understand that the essence of the utility model is not limited to a specific software or hardware implementation, and therefore any software and hardware can be used to implement the utility model. known in the art. So hardware can be implemented in one or more specialized integrated circuits, digital signal processors, digital signal processing devices, programmable logic devices, user-programmable gate arrays, processors, controllers, microcontrollers, microprocessors, electronic devices, other electronic modules made with the ability perform the functions described in this document, a computer, or a combination of the above.

Although not specifically mentioned, it is obvious that when it comes to storing data, programs, etc., the presence of a computer-readable storage medium is implied.

While exemplary embodiments have been described in detail and shown in the accompanying drawings, it should be understood that such embodiments are illustrative only and are not intended to limit the broader utility model, and that the utility model should not be limited to the specific arrangements shown and described, and designs as various other modifications may be apparent to those skilled in the art.

The elements of the device can be made of any suitable material, for example, but not by way of limitation, iron, aluminum, copper, stainless steel, titanium, carbon fiber composites, plastic, and the like. These components can be manufactured using methods known to those of ordinary skill in the art, including, by way of example only, machining and investment casting.

Claims (18)

1. A device for transmitting corrosion data, comprising: - body; - a receiving unit configured to receive data from an external sensor; - a processing unit capable of receiving data from the receiving unit, determining the level of corrosion based on these data, commanding the transmitting unit to transmit data on the level of corrosion; - a transmission unit capable of transmitting data on the level of corrosion to external devices; - a power supply unit configured to transmit electrical energy to a receiving unit, a processing unit and a transmission unit; moreover a receiving unit, a processing unit, a transmitting unit, a power supply unit are installed in the housing and connected by means of communication lines; the transmission unit is configured to transmit data in accordance with at least one of the NB IoT communication standard or the LoRa protocol, the processing unit is configured to set a schedule for receiving data from the data receiving and transmitting unit using the transmitting unit. 2. The apparatus of claim 1, wherein the schedule for receiving data from the receiving unit and the schedule for transmitting data using the transmitting unit differ from each other, and the processing unit is configured to receive data from the receiving unit rather than transmitting through the transmitting unit. 3. The apparatus of claim. 1, wherein the processing unit is configured to command the transmission unit to transmit data as a predetermined amount of corrosion level data is accumulated. 4. The device according to claim 1, wherein the processing unit is configured to set a schedule for receiving data from the receiving unit depending on the corrosion rate. 5. The device according to claim. 1, in which the processing unit is configured to receive commands for setting the schedule from at least one of the controls located on the body, or a connected external device. 6. The device of claim 1, wherein the housing is sealed. 7. The device according to claim 1, wherein the receiving unit is configured to receive data from an external sensor in digital form. 8. The device according to claim 1, in which the receiving unit is configured to receive data from an external sensor in analog form, the device for transmitting corrosion data further comprises an ADC for digitizing and further processing the data in the processing unit. 9. The device according to claim 1, wherein the processing unit is configured to receive control signals from the external device defining a schedule for receiving data from the data receiving and transmitting unit using the transmitting unit.

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