RU2810121C1 - Corrosion protection system throughout underground pipeline - Google Patents

Abstract

FIELD: corrosion protection.

SUBSTANCE: used to protect underground pipelines. The system contains single indicators, a switch, a conductivity measurement unit, conductivity data registers, comparison units, setters, comparators, a conductivity data divider, an arc tangent calculation unit, square calculation units, a square root extraction unit, a memory unit for the magnitude and direction of corrosion, a timer, control units, reception and transmission units, polling synchronization blocks, measuring the induced voltage of individual indicators, comparing the dynamics of induced voltages, registers, generating corrective actions, an adder for correcting the protective potentials of electrochemical protection equipment along the entire length of the underground pipeline.

EFFECT: increasing the reliability of pipeline operation by measuring the dynamics of stray currents under non-stationary influences of external electric fields from electric vehicles and other sources.

1 cl, 1 dwg

Description

The invention relates to the field of corrosion protection and can be used to determine the corrosion state of underground pipelines and evaluate the effectiveness of their protection.

A device is known that contains single indicators made of the same material as the pipeline, the contours of the single indicators are located horizontally, at a certain angle, and vertically relative to the protected underground pipeline, and are attached to an external frame along the general perimeter of the contours of the single indicators, the beginning of the single circuit indicators , located horizontally relative to the protected underground pipeline, are connected to the first common conductor, the beginnings of individual circuit indicators, located at a certain angle and vertically relative to the protected underground pipeline, are connected to the second common conductor, the beginnings of the first and second common conductors are electrically connected to each other and to the base conductor , the ends of single contour indicators located horizontally are connected to the first information conductor, the ends of single contour indicators located at a certain angle are connected to the second information conductor, the ends of single contour indicators located vertically are connected by a third information conductor, the first, second and third information the conductors are connected to the information inputs of the switch of single indicators, the output of the switch is connected to the data transmission conductor, the control input of the switch is connected to the control conductor (Patent RU No. 207171, cl. G01N 17/04, publ. 10/15/2021).

The device does not provide measurement of the dynamics of stray currents and recording of their sharp increase under non-stationary influences of external electric fields from electric vehicles and other sources in the area of the underground pipeline.

A known device for measuring the direction of stray currents in the area of underground pipelines, containing single indicators made of the same material as underground pipelines, having the same cross-sectional area and located evenly at a certain angle along the diameters of the circumference of the circular outer frame of single indicators with a radius equal to length of a single indicator, common and information conductors, the beginnings of single indicators are located in the center of the circular outer frame of single indicators, the ends of single indicators are located on the circumference of the circular outer frame of single indicators, the beginnings of single indicators are connected to each other and to a common conductor, the end of each single indicator is connected to the corresponding information conductor (Patent RU No. 207152, class G01N 17/04, published 10/14/2021).

The device does not provide measurement of the dynamics of stray currents under non-stationary influences of external electric fields from electric vehicles and other sources in the area of an underground pipeline and recording their sharp increase in real time.

A device is known that contains single indicators made of the same material as underground pipelines, a common conductor and information conductors of the circuits, the beginnings of all individual indicators are electrically connected to the common conductor, the ends of the single indicators covering the pipeline are electrically connected to the information conductors of transverse corrosion of the pipeline, and the ends of single indicators parallel to the pipeline are electrically connected to the information conductors of the longitudinal corrosion of the pipeline, the flexible insulating centering element of the indicators of transverse corrosion of the pipeline has evenly spaced holes centering the ends of the single indicators covering the pipeline, the flexible insulating centering element of the indicators of longitudinal corrosion of the pipeline has evenly spaced holes centering the ends of the single indicators parallel to the pipeline, the insulating elements of single indicators are located at the intersection of indicators of transverse and longitudinal corrosion of the pipeline, which pass through the fixing holes of the insulating elements of single indicators (Patent RU No. 200638, cl. G01N 17/04, publ. 03.11.2020).

The device does not provide measurement of the dynamics of stray currents under non-stationary influences of external electric fields from electric vehicles and other sources in the area of an underground pipeline, recording their sharp increase and taking them into account when developing control actions for correcting protective potentials.

The closest to the claimed invention is an information and control system for protection against corrosion when exposed to stray currents along the entire length of an underground pipeline, containing single indicators made of the same material as underground pipelines, the beginnings of all single indicators are connected to a common conductor, the ends of single female the pipeline of indicators is connected to the information conductors of transverse corrosion of the pipeline, and the ends of single indicators parallel to the pipeline are connected to the information conductors of longitudinal corrosion of the pipeline, the flexible insulating centering element of the indicators of transverse corrosion of the pipeline has evenly spaced holes, the centering ends of the single indicators covering the pipeline, the flexible insulating centering element of the indicators of longitudinal pipeline corrosion has evenly spaced holes centering the ends of single indicators parallel to the pipeline, the insulating elements of single indicators are located at the intersection of indicators of transverse and longitudinal corrosion of the pipeline, which pass through the fixing holes of the insulating elements of single indicators, in the measuring module of the system the information inputs of the switch of single indicators are connected to information conductors of transverse and longitudinal corrosion of the pipeline, the common conductor is connected to the common input of the switch, the transverse corrosion output of the switch is connected to the information input of the conductivity measuring unit of single indicators covering the pipeline, the longitudinal corrosion output of the switch is connected to the information input of the conductivity measuring unit of single indicators parallel to the pipeline, common output the switch is connected to the common inputs of the conductivity measurement unit of single pipeline-encompassing indicators and the conductivity measurement unit of single pipeline-parallel indicators, the output of the conductivity measurement unit of single pipeline-encompassing indicators is connected to the input of the conductivity data register of single pipeline-encompassing indicators and the input of the primary data memory block, the output of the conductivity measurement unit of single pipeline-parallel indicators is connected to the input of the conductivity data register of single pipeline-parallel indicators and the input of the primary data memory block, the output of the conductivity data register of single pipeline-encompassing indicators is connected to the second input of the conductivity data comparison block of single pipeline-encompassing indicators, the first input of the conductivity data divider and the input of the first block for calculating squares, the output of the conductivity data register of single indicators parallel to the pipeline is connected to the second input of the block for comparing conductivity data of single indicators parallel to the pipeline, the second input of the conductivity data divider and the input of the second block for calculating squares, the output of the conductivity data divider is connected to the input of the arctangent calculation block, the outputs of the first and the second square calculation blocks are connected to the inputs of the square root extraction block, the outputs of the arc tangent calculation block and the square root extraction block are connected to the inputs of the corrosion magnitude and direction memory block, the control inputs of the recording of the primary data memory block and the corrosion magnitude and direction memory block are connected to the timer output , output of the timer setting unit of the system control module through the control unit of the control module, transmission and reception unit of the control module, transmission and reception unit of the measuring module, control unit of the measuring module is connected to the timer via a communication channel, data reading unit through the control unit of the control module, receiving unit -transmissions of the control module, the receiving and transmitting unit of the measuring module, the control unit of the measuring module are connected via a communication channel by the control inputs of reading the primary data memory block and the memory block of the magnitude and direction of corrosion, information outputs of the primary data memory block and the memory block of the magnitude and direction of corrosion through the block control unit of the measuring module, the receiving and transmitting unit of the measuring module, the receiving and transmitting unit of the control module, the control unit of the control module is connected via a communication channel to the inputs of the primary data storage unit and the unit for storing the magnitude and direction of corrosion, respectively, the installation unit for setting the minimum conductivity of single indicators covering the pipeline through the control unit of the control module, the receiving and transmitting block of the control module, the receiving and transmitting block of the measuring module, the control unit of the measuring module, the minimum conductivity setter of single indicators covering the pipeline, the first input of the unit for comparing the conductivity data of single indicators covering the pipeline, the conductivity comparator of the single indicators covering the pipeline , control unit of the measuring module, transmission and reception unit of the measuring module, transmission and reception block of the control module, control unit of the control module is connected via a communication channel to the input of the information block for exceeding the conductivity of individual minimum value indicators covering the pipeline, installation unit for setting the minimum conductivity of individual indicators parallel to the pipeline through the control unit of the control module, the receiving and transmitting unit of the control module, the receiving and transmitting unit of the measuring module, the control unit of the measuring module, the minimum conductivity setter of single indicators parallel to the pipeline, the first input of the unit for comparing the conductivity data of single indicators parallel to the pipeline, the conductivity comparator of single indicators parallel to the pipeline , control unit of the measuring module, reception-transmission block of the measuring module, reception-transmission block of the control module, control unit of the control module is connected via a communication channel to the input of the information block for exceeding the conductivity of single minimum value indicators parallel to the pipeline, outputs of the arctangent calculation block and the square root extraction block of each measuring module, through the control unit of the measuring module, the receiving and transmitting unit of the measuring module, the receiving and transmitting unit of the control module, the control unit of the control module are connected via a communication channel to the inputs of the corrosion amount register of the measuring modules and the corrosion direction register of the measuring modules, respectively, the outputs of the corrosion amount registers measuring modules and corrosion direction registers, the measuring modules, through a block for recording the magnitude and direction of corrosion along the entire length of the underground pipeline, are connected to the second input of the block for generating control actions to correct the protective potentials of electrochemical protection equipment located along the entire length of the underground pipeline, the first input of which is connected to the setting unit permissible values of the magnitude and direction of corrosion along the entire length of the underground pipeline, the block for generating control actions through the control unit of the control module and the reception and transmission unit of the control module are made with the ability to correct the protective potentials of electrochemical protection equipment located along the entire length of the underground pipeline via a radio channel (Patent RU No. 2790387, class. G01N 17/04, publ. 02/17/2023).

The device does not provide measurement of the dynamics of stray currents under non-stationary influences of external electric fields from electric vehicles and other sources in the area of an underground pipeline, recording their sharp increase and taking into account when developing control actions for correcting the protective potentials of electrochemical protection equipment in real time along the entire length of the underground pipeline, which leads to a decrease in the reliability of the pipeline.

The technical problem solved by the proposed invention is to increase the reliability of pipeline operation by measuring the dynamics of stray currents under non-stationary influences of external electric fields from electric vehicles and other sources in the area of an underground pipeline, recording their sharp increase and taking into account when developing control actions to correct the protective potentials of equipment electrochemical protection in real time along the entire length of the underground pipeline.

The technical problem is solved by the fact that in a known device containing single indicators made of the same material as underground pipelines, a common conductor and information conductors of the circuits, the beginnings of all individual indicators are connected to a common conductor, the ends of single indicators covering the pipeline are connected to information conductors transverse corrosion of the pipeline, and the ends of single indicators parallel to the pipeline are connected to the information conductors of longitudinal corrosion of the pipeline, the flexible insulating centering element of the indicators of transverse corrosion of the pipeline has evenly spaced holes, the centering ends of the single indicators covering the pipeline, the flexible insulating centering element of the indicators of longitudinal corrosion of the pipeline has evenly spaced holes , the centering ends of single indicators parallel to the pipeline, the insulating elements of single indicators are located at the intersection of indicators of transverse and longitudinal corrosion of the pipeline, which pass through the fixing holes of the insulating elements of single indicators, in the measuring module of the system, the information inputs of the switch of single indicators are connected to the information conductors of transverse corrosion of the pipeline and information conductors of the longitudinal corrosion of the pipeline, the common conductor is connected to the common input of the switch of single indicators, the transverse corrosion output of the switch is connected to the information input of the conductivity measuring unit of single indicators covering the pipeline, the longitudinal corrosion output of the switch is connected to the information input of the conductivity measuring unit of single indicators parallel to the pipeline, common output the switch is connected to the common inputs of the conductivity measurement unit of single pipeline-encompassing indicators and the conductivity measurement unit of single pipeline-parallel indicators, the output of the conductivity measurement unit of single pipeline-encompassing indicators is connected to the input of the conductivity data register of single pipeline-encompassing indicators and the input of the primary data memory block, the output of the conductivity measurement unit of single pipeline-parallel indicators is connected to the input of the conductivity data register of single pipeline-parallel indicators and the input of the primary data memory block, the output of the conductivity data register of single pipeline-encompassing indicators is connected to the second input of the conductivity data comparison block of single pipeline-encompassing indicators, the first input of the conductivity data divider and the input of the first block for calculating squares, the output of the conductivity data register of single indicators parallel to the pipeline is connected to the second input of the block for comparing conductivity data of single indicators parallel to the pipeline, the second input of the conductivity data divider and the input of the second block for calculating squares, the output of the conductivity data divider is connected to the input of the arctangent calculation block, the outputs of the first and the second square calculation blocks are connected to the inputs of the square root extraction block, the outputs of the arc tangent calculation block and the square root extraction block are connected to the inputs of the corrosion magnitude and direction memory block, the control inputs of the recording of the primary data memory block and the corrosion magnitude and direction memory block are connected to the timer output , output of the timer setting unit of the system control module through the control unit of the control module, transmission and reception unit of the control module, transmission and reception unit of the measuring module, control unit of the measuring module is connected to the timer via a communication channel, data reading unit through the control unit of the control module, receiving unit -transmissions of the control module, the receiving and transmitting unit of the measuring module, the control unit of the measuring module are connected via a communication channel by the control inputs of reading the primary data memory block and the memory block of the magnitude and direction of corrosion, information outputs of the primary data memory block and the memory block of the magnitude and direction of corrosion through the block control unit of the measuring module, the receiving and transmitting unit of the measuring module, the receiving and transmitting unit of the control module, the control unit of the control module is connected via a communication channel to the inputs of the primary data storage unit and the unit for storing the magnitude and direction of corrosion, respectively, the installation unit for setting the minimum conductivity of single indicators covering the pipeline through the control unit of the control module, the receiving and transmitting block of the control module, the receiving and transmitting block of the measuring module, the control unit of the measuring module, the minimum conductivity setter of single indicators covering the pipeline, the first input of the unit for comparing the conductivity data of single indicators covering the pipeline, the conductivity comparator of the single indicators covering the pipeline , control unit of the measuring module, transmission and reception unit of the measuring module, transmission and reception block of the control module, control unit of the control module is connected via a communication channel to the input of the information block for exceeding the conductivity of individual minimum value indicators covering the pipeline, installation unit for setting the minimum conductivity of individual indicators parallel to the pipeline through the control unit of the control module, the receiving and transmitting unit of the control module, the receiving and transmitting unit of the measuring module, the control unit of the measuring module, the minimum conductivity setter of single indicators parallel to the pipeline, the first input of the unit for comparing the conductivity data of single indicators parallel to the pipeline, the conductivity comparator of single indicators parallel to the pipeline , control unit of the measuring module, reception-transmission block of the measuring module, reception-transmission block of the control module, control unit of the control module is connected via a communication channel to the input of the information block for exceeding the conductivity of single minimum value indicators parallel to the pipeline, outputs of the arctangent calculation block and the square root extraction block of each measuring module, through the control unit of the measuring module, the receiving and transmitting unit of the measuring module, the receiving and transmitting unit of the control module, the control unit of the control module are connected via a communication channel to the inputs of the corrosion amount register of the measuring modules and the corrosion direction register of the measuring modules, respectively, the outputs of the corrosion amount registers measuring modules and corrosion direction registers, the measuring modules, through a block for recording the magnitude and direction of corrosion along the entire length of the underground pipeline, are connected to the second input of the block for generating control actions to correct the protective potentials of electrochemical protection equipment located along the entire length of the underground pipeline, the first input of which is connected to the setting unit permissible values of the magnitude and direction of corrosion along the entire length of the underground pipeline, the block for generating control actions through the control unit of the control module and the transmission and reception unit of the control module are made with the ability to correct the protective potentials of electrochemical protection equipment located along the entire length of the underground pipeline via a radio channel, additionally introduced in the measuring module of the device, a synchronization unit for polling individual indicators, an “OR” logical element, an inverter, a unit for measuring the induced voltage of individual indicators, a memory unit for induced voltages, the first and second registers, a unit for comparing the dynamics of induced voltages, a dynamics setter for the maximum permissible values of induced voltages on individual indicators indicators, a block for comparing the dynamics of the maximum permissible values of induced voltages, a comparator for the dynamics of the maximum permissible values of induced voltages, and in the control module of the device a block of information on exceeding the dynamics of the maximum permissible values of induced voltages, a unit for setting the dynamics of the maximum permissible values of induced voltages on individual indicators, registers of induced voltages along the entire length of the underground pipeline, a unit for recording induced voltages along the entire length of the underground pipeline, a unit for setting permissible values of induced voltages along the entire length of the underground pipeline, a unit for generating corrective actions based on induced voltages, a correction amplifier, an adder for correcting the protective potentials of electrochemical protection equipment located throughout length of an underground pipeline, a block for storing induced voltage values, a block for storing the dynamics of induced voltages, and in the block for measuring the conductivity of single indicators covering the pipeline and the block for measuring the conductivity of single indicators parallel to the pipeline, measurement prohibition inputs have been added, the timer output is connected to the input of the synchronization block for polling single indicators, the output the selection of measurements of the synchronization block for polling individual indicators is connected to the prohibition inputs of the measurement block of the conductivity measurement block of single indicators covering the pipeline and the conductivity measurement block of single indicators parallel to the pipeline directly, and with the measurement prohibition input of the block for measuring the induced voltage of single indicators through an inverter, the clocking output of the conductivity measurements of single indicators of the block synchronization of polling of single indicators is connected by the input of the logical element "OR" and the control inputs of the recording of the primary data memory block and the memory block of the magnitude and direction of corrosion, the clocking output of measurements of induced voltages of single indicators of the synchronization block of polling of single indicators is connected by the input of the logical element "OR" and the control inputs of recording induced voltage memory block and the first register of the measuring module, the output of the “OR” logical element is connected to the control input of the switch of single indicators, the transverse and longitudinal corrosion outputs of the switch are connected to the information inputs of the unit for measuring the induced voltage of single indicators, the common output of the switch is connected to the common input of the measurement unit induced voltage of single indicators, the output of the block for measuring the induced voltage of single indicators is connected to the input of the induced voltage memory block and the information input of the first register, the output of the first register is connected to the information input of the second register, the outputs of the first and second registers are connected to the second and first inputs of the induced dynamics comparison block voltage, the output of which, through a block for comparing the dynamics of the maximum permissible values of induced voltages, is connected to the first input of the comparator of the dynamics of the maximum permissible values of induced voltages, the output of the dynamics setter of the maximum permissible values of induced voltages on single indicators is connected to the second input of the comparator of the dynamics of the maximum permissible values of induced voltages, the reading unit data through the control unit of the control module, the receiving and transmitting block of the control module, the receiving and transmitting block of the measuring module, the control unit of the measuring module is connected via a communication channel to the control inputs for reading the induced voltage memory block, the output of the unit for measuring the induced voltage of individual indicators through the control unit of the measuring module, the receiving and transmitting unit of the measuring module, the receiving and transmitting unit of the control module, the control unit of the control module is connected via a communication channel to the input of the induced voltage register of the measuring units along the entire length of the underground pipeline, the outputs of the induced voltage memory unit and the comparison unit for the dynamics of induced voltages through the measuring control unit module, the receiving and transmitting unit of the measuring module, the receiving and transmitting unit of the control module, the control unit of the control module is connected via a communication channel to the inputs of the unit for storing induced voltage values and the unit for storing the dynamics of induced voltages of the control module, respectively, the output of the unit for setting the dynamics of the maximum permissible values of induced voltages on individual indicators through the control unit of the control module, the receiving and transmitting unit of the control module, the receiving and transmitting unit of the measuring module, the control unit of the measuring module is connected to the input of the dynamics setter of the maximum permissible values of induced voltages on individual indicators, the output of the dynamics comparator of the maximum permissible values of induced voltages through the control unit of the measuring module, the receiving and transmitting unit of the measuring module, the receiving and transmitting unit of the control module, the control unit of the control module is connected via a communication channel to the input of the information block for exceeding the dynamics of the maximum permissible values of induced voltages, the outputs of the induced voltage registers along the entire length of the underground pipeline through the block for recording induced voltages along the entire length of the underground pipeline is connected to the second input of the block for generating corrective actions based on induced voltages, the first input of which is connected to the block for setting the permissible values of induced voltages along the entire length of the underground pipeline, the output of the block for generating corrective actions based on induced voltages is connected through a correction amplifier with the second input of the adder for correction of protective potentials of electrochemical protection equipment, the second input of which is connected to the output of the block for generating control actions, the adder for correction of protective potentials through the control unit and the transmission and reception unit of the control module is made with the ability to carry out correction of protective potentials of electrochemical protection equipment located along the entire length of the underground pipeline.

The figure shows a structural diagram of the corrosion protection system along the entire length of the underground pipeline.

The device contains single indicators 1 covering the pipeline, single indicators 2 parallel to the pipeline, made of the same material as underground pipelines, a common conductor 3, an information conductor for transverse pipeline corrosion 4, an information conductor for longitudinal pipeline corrosion 5, the beginnings of all individual indicators 1 and 2 electrically connected to a common conductor 3, the ends of single indicators 1 covering the pipeline are electrically connected to the information conductors of transverse corrosion 4 of the pipeline, and the ends of single indicators 2 parallel to the pipeline are electrically connected to the information conductors of longitudinal 5 corrosion of the pipeline, a flexible insulating centering element 6 of indicators of transverse corrosion 1 of the pipeline , flexible insulating centering element 7 indicators of longitudinal pipeline corrosion 2, insulating elements 8 single indicators, flexible insulating centering element 6 indicators of transverse pipeline corrosion has evenly spaced holes, centering ends of single indicators covering the pipeline 1, flexible insulating centering element 7 indicators of longitudinal pipeline corrosion has evenly placed holes centering the ends of single longitudinal corrosion indicators 2 parallel to the pipeline, insulating elements of 8 single indicators are placed at the intersection of transverse 1 and longitudinal 2 corrosion indicators of the pipeline, which pass through the fixing holes of the insulating elements of 8 single indicators.

Switch 9 single indicators 1, conductivity measuring unit 10 single indicators covering the pipeline 1, conductivity measuring unit 11 single indicators parallel to the pipeline 2, memory unit 12 primary data.

Conductivity data register 13 single pipeline-encompassing indicators 1, conductivity data register 14 single pipeline-parallel indicators 2, conductivity data comparison unit 15 single pipeline-encompassing indicators 1, minimum conductivity setter 16 single pipeline-encompassing indicators 1, conductivity comparator 17 single pipeline-encompassing indicators 1.

Conductivity data comparison unit for 18 single indicators parallel to the pipeline 2, minimum conductivity setter for 19 single indicators parallel to the pipeline 2, conductivity comparator for 20 single indicators parallel to the pipeline 2.

Conductivity data divider 21, arctangent calculation unit 22, first 23 and second 24 blocks for calculating squares, adder 25, square root extraction unit 26, memory unit 27 for the magnitude and direction of corrosion, timer 28.

Control unit 29 of the measuring module, transmission and reception unit 30 of the measuring module.

Measuring module 31 of the information and control system for protection against corrosion when exposed to stray currents along the entire length of the underground pipeline.

Control module 32 of the information and control system for protection against corrosion when exposed to stray currents along the entire length of the underground pipeline.

Transmission and reception unit 33 of the control module, control unit 34 of the control module.

Conductivity exceedance information block 35 single minimum value indicators covering the pipeline 1, conductivity exceedance information block 36 single minimum value indicators parallel to the pipeline 2, minimum conductivity setter setting block 37 16 single pipeline-encompassing indicators 1, minimum conductivity setter setting block 38 19 single pipeline-parallel indicators 2.

Registers of the corrosion value 39 of the measuring modules 31, registers of the direction 40 of the corrosion of the measuring modules 31, a block 41 for fixing the magnitude and direction of corrosion along the entire length of the underground pipeline, a unit for setting permissible values 42 of the magnitude and direction of corrosion along the entire length of the underground pipeline, a block for generating control actions 43 for correction of protective potentials of electrochemical protection equipment located along the entire length of the underground pipeline.

Installation unit 44 of timer 28, data reading unit 45, primary data storage unit 46, storage unit 47 of the magnitude and direction of corrosion.

The information inputs of the switch 9 single indicators 1 are connected to the information conductors of transverse corrosion of the pipeline and the information conductors of longitudinal corrosion of the pipeline, the common conductor is connected to the common input of the switch 9 single indicators 1.

The transverse corrosion output of the commutator 9 is connected to the information input of the conductivity measuring unit 10 of single indicators 1 covering the pipeline, the longitudinal corrosion output of the commutator 9 is connected to the information input of the conductivity measuring unit of 11 single indicators 2 parallel to the pipeline, the common output of the commutator 9 is connected to the general inputs of the conductivity measuring unit 10 single indicators covering the pipeline 1 and a conductivity measuring unit 11 single indicators 2 parallel to the pipeline.

The output of the conductivity measurement unit of 10 single pipeline-encompassing indicators 1 is connected to the input of the conductivity data register of 13 single pipeline-encompassing indicators 1 and the input of the primary data memory unit 12.

The output of the conductivity measurement unit AND single pipeline-parallel indicators 2 is connected to the input of the conductivity data register 14 of single pipeline-parallel indicators 2 and the input of the primary data memory block 12.

The output of the conductivity data register of 13 single pipeline-enclosing indicators 1 is connected to the second input of the conductivity data comparison block of 15 single pipeline-encompassing indicators 1, the first input of the conductivity data divider 21 and the input of the first 23 square calculation block.

The output of the conductivity data register of 14 single pipeline-parallel indicators 2 is connected to the second input of the conductivity data comparison block of 18 single pipeline-parallel indicators 2, the second input of the conductivity data divider 21 and the input of the second 24 square calculation block.

The output of the conductivity data divider 21 is connected to the input of the arctangent calculation unit 22.

The outputs of the first 23 and second 24 blocks for calculating squares are connected to the inputs of the square root extraction block 26.

The outputs of the arctangent calculation unit 22 and the square root extraction unit 26 are connected to the inputs of the memory unit 27 for the magnitude and direction of corrosion.

The control inputs for recording the memory block 12 of the primary data and the memory block 27 for the magnitude and direction of corrosion are connected to the measurement selection output of the synchronization block for polling 48 individual indicators.

The output of the installation unit 44 of the timer of the control module 32 through the control unit 34 of the control module, the reception and transmission unit 33 of the control module, the reception and transmission unit 30 of the measuring module, the control unit 29 of the measuring module is connected to the timer 28 via a communication channel.

The data reading unit 45 through the control unit 34 of the control module, the receiving and transmitting unit 33 of the control module, the receiving and transmitting unit 30 of the measuring module, the control unit 29 of the measuring module is connected via a communication channel by the control inputs for reading the memory block 12 of the primary data and the memory block 27 of the value and directions of corrosion.

Information outputs of the memory block 12 of the primary data and the memory block 27 of the magnitude and direction of corrosion through the control unit 29 of the measuring module, the receiving and transmitting unit 30 of the measuring module, the receiving and transmitting unit 33 of the control module, the control unit 34 of the control module is connected via a communication channel to the inputs of the block storage 46 of primary data and storage unit 47 of the magnitude and direction of corrosion, respectively.

Installation unit 37 of the minimum conductivity setter 16 individual pipeline-encompassing indicators 1 through the control unit 34 of the control module, the control module reception and transmission unit 33, the measuring module reception and transmission unit 30, the measuring module control unit 29, the minimum conductivity setter 16 individual pipeline-encompassing indicators 1 , the first input of the conductivity data comparison unit of 15 single pipeline-encompassing indicators 1, the conductivity comparator of 17 individual pipeline-encompassing indicators 1, the measuring module control unit 29, the measuring module receiving and transmitting unit 30, the control module receiving and transmitting unit 33, the control unit 34 of the control module via a communication channel it is connected to the input of the information block of excess conductivity of 35 single minimum value indicators covering the pipeline 1.

Installation unit 38 of the minimum conductivity setter 19 individual indicators parallel to the pipeline 2 through the control unit 34 of the control module, the reception and transmission unit 33 of the control module, the reception and transmission unit 30 of the measuring module, the control unit 29 of the measuring module, the minimum conductivity setter 19 single indicators parallel to the pipeline 2 , the first input of the conductivity data comparison unit of 18 single indicators parallel to the pipeline 2, the conductivity comparator of 20 single indicators parallel to the pipeline 2, the control unit 29 of the measuring module, the receiving and transmitting unit 30 of the measuring module, the receiving and transmitting unit 33 of the control module, the control unit 34 of the control module via a communication channel it is connected to the input of the information block of excess conductivity of 36 single minimum value indicators 2 parallel to the pipeline.

The outputs of the arctangent calculation unit 22 and the square root extraction unit 26 of each measuring module 31 are connected through the control unit 29 of the measuring module, the receiving and transmitting unit 30 of the measuring module, the receiving and transmitting unit 33 of the control module, the control unit 34 of the control module via a communication channel, connected to the register inputs the corrosion values 39 of the measuring modules 31 and the corrosion direction register 40 of the measuring modules 31, respectively.

The outputs of the corrosion magnitude registers 39 of the measuring modules 31 and the corrosion direction registers 40 of the measuring modules 31, through a block 41 for fixing the magnitude and direction of corrosion along the entire length of the underground pipeline, are connected to the second input of the control action generating unit 43 to correct the protective potentials of electrochemical protection equipment located along the entire length an underground pipeline, the first entrance of which is connected to a block for setting permissible values 42 of the magnitude and direction of corrosion along the entire length of the underground pipeline.

The control action generation unit 43, through the control unit 34 of the control module and the reception and transmission unit 33 of the control module, corrects the protective potentials of the electrochemical protection equipment located along the entire length of the underground pipeline.

The measuring module 31 of the system additionally includes a synchronization block for polling 48 single indicators 1, a logical element “OR” 49, an inverter 50, a block for measuring the induced voltage 51 of single indicators 1, a memory block for induced voltages 52, the first 53 and second 54 registers, a dynamics comparison block 55 induced voltages, a dynamics setter for the maximum permissible values of 56 induced voltages on individual indicators, a unit for comparing the dynamics of the maximum permissible values of 57 induced voltages, a comparator for the dynamics of the maximum permissible values of 58 induced voltages.

The control module 32 of the system additionally includes an information block for exceeding the dynamics of the maximum permissible values of 59 induced voltages, a block for setting the dynamics of the maximum permissible values of 60 induced voltages on single indicators, registers of induced voltages 61 along the entire length of the underground pipeline, a block for recording induced voltages 62 blocks throughout length of the underground pipeline, a unit for setting the permissible values 63 of induced voltages along the entire length of the underground pipeline, a unit for generating corrective actions 64 for induced voltages, a correction amplifier 65, a protective potential correction adder 66 for electrochemical protection equipment located along the entire length of the underground pipeline, a storage unit for values 67 induced voltages, dynamics storage unit 68 induced voltages.

Measurement prohibition inputs have been added to the conductivity measuring block of 10 single indicators covering the pipeline and the conductivity measuring block of 11 single indicators parallel to the pipeline.

The output of the timer 28 is connected to the input of the synchronization block for polling 48 individual indicators.

The measurement selection output of the polling synchronization block of 48 single indicators is connected to the measurement prohibition inputs of the conductivity measuring block of 10 single indicators covering the pipeline and the conductivity measuring block of 11 single indicators parallel to the pipeline directly, and to the measurement prohibition input of the induced voltage measuring block of 51 single indicators through the inverter 50.

The clock output of the conductivity measurements of single indicators 1 of the synchronization block for polling 48 single indicators 1 is connected to the input of the logical element “OR” 49 and the control inputs of recording the memory block 12 of the primary data and the memory block 27 of the magnitude and direction of corrosion.

The clock output of the induced voltage measurements of single indicators 1 of the synchronization block for polling 48 single indicators 1 is connected by the input of the “OR” logical element 49 and the control inputs of the recording of the induced voltage memory block 52 and the first 53 register of the measuring module.

The output of the “OR” logical element 49 is connected to the control input of the switch 9 single indicators 1.

The transverse and longitudinal corrosion outputs of the switch 9 are connected to the information inputs of the induced voltage measurement unit 51 of individual indicators 1, the common output of the switch 9 is connected to the common input of the induced voltage measurement unit 51 of individual indicators 1.

The output of the induced voltage measurement unit 51 of individual indicators is connected to the input of the induced voltage memory unit 52 and the information input of the first 53 register. The output of the first 53 register is connected to the information input of the second 54 register,

The outputs of the first 53 and second 54 registers are connected to the second and first inputs of the dynamics comparison unit 55 of induced voltages, the output of which, through the dynamics comparison unit of the maximum permissible values 57 of induced voltages, is connected to the first input of the dynamics comparator of the maximum permissible values 58 of induced voltages.

The output of the dynamics setter for the maximum permissible values of 56 induced voltages on individual indicators is connected to the second input of the dynamics comparator for the maximum permissible values of 58 induced voltages.

The data reading unit 45 through the control unit 34 of the control module, the receiving and transmitting unit 33 of the control module, the receiving and transmitting unit 30 of the measuring module, the control unit 29 of the measuring module is connected via a communication channel to the control inputs for reading the induced voltage memory unit 52.

The output of the induced voltage measurement unit 51 of individual indicators through the control unit 29 of the measuring module, the receiving and transmitting unit 30 of the measuring module, the receiving and transmitting unit 33 of the control module, the control unit 34 of the control module is connected via a communication channel to the input of the induced voltage register 61 of the measuring units throughout length of the underground pipeline.

The outputs of the induced voltage memory unit 52 and the induced voltage dynamics comparison unit 55 are connected through the control unit 29 of the measuring module, the transmit-receive unit 30 of the measuring module, the transmit-receive unit 33 of the control module, the control unit 34 of the control module via a communication channel to the inputs of the value storage unit 67 induced voltages and the dynamics storage unit 68 induced voltages of the control module, respectively.

The output of the unit for setting the dynamics of the maximum permissible values of 60 induced voltages on single indicators through the control unit 34 of the control module, the reception and transmission unit 33 of the control module, the reception and transmission unit 30 of the measuring module, the control unit 29 of the measuring module is connected to the input of the dynamics of the maximum permissible values 56 induced voltages on single indicators.

The output of the dynamics comparator of the maximum permissible values of 58 induced voltages through the control unit 29 of the measuring module, the receiving and transmitting unit 30 of the measuring module, the receiving and transmitting unit 33 of the control module, the control unit 34 of the control module is connected via a communication channel to the input of the information block for exceeding the dynamics of the maximum permissible values 59 induced voltages.

The outputs of the induced voltage registers 61 along the entire length of the underground pipeline through a block for recording induced voltages 62 along the entire length of the underground pipeline are connected to the second input of the block for generating corrective actions 64 for induced voltages, the first input of which is connected to the block for setting permissible values 63 of induced voltages along the entire length of the underground pipeline. pipeline.

The output of the block for generating corrective actions 64 for induced voltages through a correcting amplifier 65 is connected to the second input of the protective potential correction adder 66 of electrochemical protection equipment, the second input of which is connected to the output of the block for generating control actions 43.

The protective potential correction adder 66, through the control unit 34 and the transmit-receive unit 33 of the control module, is configured to carry out correction of the protective potentials of electrochemical protection equipment located along the entire length of the underground pipeline via a radio channel.

The device works as follows.

Single indicators 1 covering the pipeline and single indicators 2 parallel to the pipeline are placed at a certain distance from the surface of the pipeline, cover it along the entire circumference and are placed in the ground.

Single indicators 1 and 2 are most conveniently placed during the construction or repair of pipelines, especially in those sections of the underground pipeline where the manifestation of electromagnetic fields from external sources, such as electric vehicles, substations, power lines, etc. is possible. In this case, the entire circumference of the underground pipeline is covered by single indicators 1 and 2 of the device.

When stray currents act on single indicators 1 covering the pipeline and single indicators 2 parallel to the pipeline, a potential difference proportional to the magnitude of the stray currents appears and the single indicators undergo corrosion.

Single indicators 1 covering the pipeline provide monitoring in the direction transverse to the pipeline of the influence of electromagnetic fields.

Single indicators 2 parallel to the pipeline provide monitoring of corrosion in the longitudinal direction relative to the pipeline under the influence of electromagnetic fields.

Single indicators 1 and 2 are made in the form of wires of a certain cross-section made of the same material as the underground pipeline.

The device operates in two modes: corrosion monitoring mode and potential difference monitoring mode on single indicators under the influence of stray currents.

The choice of monitoring mode is determined by the synchronization unit for polling 48 individual indicators under the control of timer 28.

In the mode of monitoring corrosion of single indicators under the influence of stray currents, the synchronization block for polling 48 single indicators generates a logical “1” signal at the measurement selection output, which allows the operation of the conductivity measuring blocks of 10 single pipeline-encompassing indicators and the conductivity measurement of 11 single indicators parallel to the pipeline and prohibits through the inverter 50 operates the induced voltage measurement unit 51 of individual indicators.

The conductivity measuring unit of 10 individual indicators covering the pipeline 1 changes the information conductors of transverse corrosion 4 of the pipeline and the common conductor of 3 individual indicators covering the pipeline 1, alternately connected through the switch. At the output of the conductivity measuring unit of 10 individual indicators covering the pipeline 1, values are formed corresponding to the conductivities of each individual single indicator covering the pipeline 1.

The conductivity measuring unit of 11 single pipeline-parallel indicators 2 changes the longitudinal corrosion information conductors 5 of the pipeline and the common conductor of 3 single pipeline-parallel indicators 2, alternately connected through a switch 9. At the output of the conductivity measurement unit of 11 single pipeline-parallel indicators 2, values corresponding to the conductivities of each individual single indicator parallel to the pipeline 2.

The conductivity values are supplied to the conductivity data register of 13 single pipeline-encompassing indicators 1 and the conductivity data register of 14 single pipeline-parallel indicators 2, where on the conductivity data comparison block of 15 single pipeline-encompassing indicators 1 and the conductivity data comparison block of 18 single pipeline-parallel indicators 2 are compared with the values signal levels installed on the minimum conductivity set point of 16 single pipeline-encompassing indicators 1 and the minimum conductivity set point of 19 single pipeline-parallel indicators 2, respectively.

If the measured conductivity value of a single indicator 1 covering the pipeline is less than the set values, then the conductivity comparator 17 of the individual indicators 1 covering the pipeline is triggered and a warning signal is sent through the control unit 29 of the measuring module, the receiving and transmitting unit 30 of the measuring module, the radio channel, the receiving and transmitting unit 33 of the control module, control unit 34 of the control module per information unit of excess conductivity 35 single indicators covering the pipeline 1 minimum value.

If the measured conductivity value of a single indicator 2 parallel to the pipeline is less than the set values, then the conductivity comparator 20 of single indicators 2 parallel to the pipeline is triggered and a warning signal is sent through the control unit 29 of the measuring module, the receiving and transmitting unit 30 of the measuring module, the radio channel, the receiving and transmitting unit 33 of the control module, control unit 34 control module per information unit of excess conductivity 36 single indicators parallel to the pipeline 2 minimum values.

This achieves a warning about the minimum conductivity of single indicators and the maximum corrosive effect on the underground pipeline.

The set values are set by the installation unit 37 of the minimum conductivity setter of individual indicators covering the pipeline 1 and the installation unit 38 of the minimum conductivity setter of individual indicators 2 parallel to the pipeline and are transmitted through the control unit 34 of the control module, the reception and transmission unit 33 of the control module, the radio channel, the reception and transmission unit 30 measuring module, control unit 29 of the measuring module for a minimum conductivity setter of 16 single indicators covering the pipeline 1 and a minimum conductivity setter of 19 single indicators 2 parallel to the pipeline, respectively.

The conductivity data divider 21 and the arctangent calculation unit calculate the direction of influence of stray currents based on dividing the measured conductivity values of a single indicator 1 covering the pipeline and a single indicator 2 parallel to the pipeline.

The angle value corresponding to the arctangent of the conductivity ratios of indicators 1 and 2 and reflecting the direction of the influence of stray currents is transmitted through the control unit 29 of the measuring module 31, the receiving and transmitting unit 30 of the measuring module 31, the radio channel, the receiving and transmitting unit 33 of the control module 32, the control unit 34 control module 32 to the corrosion direction register 40 of the measuring modules 31 of the control module 32.

The first 23 and second 24 blocks for calculating the squares of conductivities and the adder 25 calculate the magnitude of the impact of stray currents in the direction of the impact of stray currents based on the summation of the squares of the conductivities of a single indicator 1 covering the pipeline and a single indicator 2 parallel to the pipeline and extracting the square root by the square root extraction block 26. As a result, a signal is generated at the output of the square root extraction block 26 that is proportional to the magnitude of the total impact of stray currents in the direction of the impact of stray currents.

The magnitude of the total impact of stray currents in the direction of the impact of stray currents is transmitted through the control unit 29 of the measuring module 31, the receiving and transmitting unit 30 of the measuring module 31, the radio channel, the receiving and transmitting unit 33 of the control module 32, the control unit 34 of the control module 32 register of the value 39 of corrosion of the measuring 31 modules.

The indicated signals enter the control module 32 of the information and control system from a plurality of measuring modules 31 of the information and control system for protection against corrosion when exposed to stray currents located along the entire length of the underground pipeline.

The values of the measured conductivities of individual indicators are stored in the memory unit 12 of the primary data of the measuring module 31 and, at the request of the data reading unit 45, are transferred to the storage unit 46 of the primary data of the control module 32.

The values of the angles of the direction of influence of stray currents and the magnitude of the total impact of stray currents in the direction of influence of stray currents are stored in the memory unit 27 of the magnitude and direction of corrosion and, upon request of the data reading unit 45, are transferred to the storage unit 47 of the magnitude and direction of corrosion.

The values of the angles of the direction of impact of stray currents and the magnitude of the total impact of stray currents in the direction of impact of stray currents from the outputs of the registers of the corrosion value 39 of the measuring modules 31 and the direction 40 of corrosion of the measuring modules 31 are supplied to the block 41 for recording the magnitude and direction of corrosion along the entire length of the underground pipeline. At the output of this block, an image of the direction and magnitude of corrosion under the influence of stray currents is formed along the entire length of the underground pipeline.

The image of the direction and magnitude of corrosion under the influence of stray currents along the entire length of the underground pipeline from the output of the block 41 for fixing the magnitude and direction of corrosion is compared on the block for generating control actions 43 to correct the protective potentials of electrochemical protection equipment with the permissible values of the direction and magnitude of corrosion under the influence of stray currents supplied from the output of the unit setting the permissible values 42 of the magnitude and direction of corrosion along the entire length of the underground pipeline.

If there is a divergence between the specified and current directions and values of corrosion under the influence of stray currents along the entire length of the underground pipeline, the control action generating unit 43 generates signals and transmits to the input of the protective potential correction adder 66 of the electrochemical protection equipment to take into account when correcting the protective potentials of the electrochemical protection equipment located along the entire length of the underground pipeline.

In the mode of monitoring the potential difference on single indicators under the influence of stray currents, the synchronization block for polling 48 single indicators generates a logical “O” signal at the measurement selection output, which prohibits the operation of the conductivity measuring blocks of 10 single indicators covering the pipeline and measuring the conductivity of 11 single indicators parallel to the pipeline and allows work through the inverter 50 to the unit for measuring the induced voltage 51 of individual indicators.

In this mode, the induced voltage measurement unit 51 of individual indicators measures the induced voltage on 9 information and general conductors alternately connected through the switch.

At the output of the unit for measuring the induced voltage 51 of individual indicators, values corresponding to the values of the induced voltage on the indicators are formed.

The induced voltage values are supplied to the information input of the first 53 register of the measuring module and the input of the induced voltage memory block 52, where they are recorded by the clock signal of the induced voltage measurements of the synchronization block for polling 48 individual indicators.

At the next clock signal for measuring the induced voltages of the synchronization block for polling 48 individual indicators, data from the first 53 register of the measuring module is written to the second 54 register of the measuring module. As a result, the values of the measured induced voltages, shifted in time by one clock cycle, are supplied to the inputs of the comparison unit for the dynamics of 55 induced voltages, and at its output is a signal reflecting the dynamics of the induced voltages.

The dynamics of induced voltages largely depends on the time of movement of rail electric transport and the unsteadiness and operation of electrical equipment in the area of the underground pipeline and significantly affects the corrosion of the pipeline.

The signal from the input of the comparison unit for the dynamics of 55 induced voltages is compared with the permissible value set by the dynamics setter of the maximum permissible values of 56 induced voltages.

If this value is greater than the set value, then the dynamics comparator of the maximum permissible values 58 of induced voltages is triggered and a warning signal is sent through the control unit 29 of the measuring module, the receiving and transmitting unit 30 of the measuring module, the radio channel, the receiving and transmitting unit 33 of the control module, the control unit 34 of the control module to the information block of exceeding the dynamics of the maximum permissible values of 59 induced voltages.

This achieves a warning about the maximum excess of the dynamics of induced voltages.

The unit for setting the dynamics setter of the maximum permissible values of 60 induced voltages on single indicators through the control unit 34 of the control module, the receiving and transmitting unit 33 of the control module, the radio channel, the receiving and transmitting unit 30 of the measuring module, the control unit 29 of the measuring module sets the maximum permissible values on the dynamics setter 56 induced voltages on individual indicators are acceptable values.

Values of induced voltages on individual indicators from the induced voltage measurement unit 51 of individual indicators through the control unit 29 of the measuring module 31, the receiving and transmitting unit 30 of the measuring module 31, the radio channel, the receiving and transmitting unit 33 of the control module 32, the control unit 34 of the control module 32 to registers induced stresses 61 along the entire length of the underground pipeline.

The values of induced voltages on individual indicators are supplied to the control module 32 from a plurality of measuring modules 31 of the corrosion protection system along the entire length of the underground pipeline.

The induced voltage values are stored in the induced voltage memory unit 52 of the measuring module 31 and, upon request of the data reading unit 45, are transferred to the induced voltage storage unit 67.

The values of the dynamics of induced voltages are stored in the comparison unit for the dynamics of induced voltages 55 and, upon request of the data reading unit 45, are transferred to the storage unit for the dynamics of induced voltages 68.

The values of induced voltages on individual indicators from the outputs of induced voltage registers 61 along the entire length of the underground pipeline of the measuring modules are supplied to the induced voltage recording unit 62 along the entire length of the underground pipeline.

At the output of the induced stress recording unit 62, an image of induced stresses is formed along the entire length of the underground pipeline.

The image of induced stresses along the entire length of the underground pipeline from the output of the induced stress recording block 62 is compared on the block for generating corrective actions 64 for induced voltages with the permissible values of induced stresses coming from the output of the block for setting permissible values 63 of induced stresses along the entire length of the underground pipeline.

When there is a divergence between the specified and current induced voltages along the entire length of the underground pipeline, the block for generating corrective actions 64 based on the induced voltages generates signals and transmits to the input of the protective potential correction adder 66 of the electrochemical protection equipment to take into account when correcting the protective potentials of the electrochemical protection equipment located along the entire length of the underground pipeline. pipeline.

The measurement frequency in the device is set by the timer setting unit 44.

As a result, at the output of the protective potential correction adder 66 of the electrochemical protection equipment, signals are generated to correct the protective potentials of the electrochemical protection equipment along the entire length of the underground pipeline, depending on the amount of corrosion and induced voltages.

Thus, the device improves the reliability of pipeline operation by measuring the dynamics of stray currents under non-stationary influences of external electric fields from electric vehicles and other sources in the area of an underground pipeline, recording their sharp increase and taking into account when developing control actions to correct the protective potentials of electrochemical protection equipment in real life. time along the entire length of the underground pipeline.

Claims (1)

A corrosion protection system along the entire length of an underground pipeline, containing single indicators made of the same material as the underground pipelines, a common conductor and information conductors of the circuits, the beginnings of all individual indicators are connected to a common conductor, the ends of single indicators covering the pipeline are connected to information conductors transverse corrosion of the pipeline, and the ends of single indicators parallel to the pipeline are connected to the information conductors of longitudinal corrosion of the pipeline, the flexible insulating centering element of the indicators of transverse corrosion of the pipeline has evenly spaced holes, the centering ends of the single indicators covering the pipeline, the flexible insulating centering element of the indicators of longitudinal corrosion of the pipeline has evenly spaced holes , the centering ends of single indicators parallel to the pipeline, the insulating elements of single indicators are located at the intersection of indicators of transverse and longitudinal corrosion of the pipeline, which pass through the fixing holes of the insulating elements of single indicators, in the measuring module of the system, the information inputs of the switch of single indicators are connected to the information conductors of transverse corrosion of the pipeline and information conductors of the longitudinal corrosion of the pipeline, the common conductor is connected to the common input of the switch of single indicators, the transverse corrosion output of the switch is connected to the information input of the conductivity measuring unit of single indicators covering the pipeline, the longitudinal corrosion output of the switch is connected to the information input of the conductivity measuring unit of single indicators parallel to the pipeline, common output the switch is connected to the common inputs of the conductivity measurement unit of single pipeline-encompassing indicators and the conductivity measurement unit of single pipeline-parallel indicators, the output of the conductivity measurement unit of single pipeline-encompassing indicators is connected to the input of the conductivity data register of single pipeline-encompassing indicators and the input of the primary data memory block, the output of the conductivity measurement unit of single pipeline-parallel indicators is connected to the input of the conductivity data register of single pipeline-parallel indicators and the input of the primary data memory block, the output of the conductivity data register of single pipeline-encompassing indicators is connected to the second input of the conductivity data comparison block of single pipeline-encompassing indicators, the first input of the conductivity data divider and the input of the first block for calculating squares, the output of the conductivity data register of single indicators parallel to the pipeline is connected to the second input of the block for comparing conductivity data of single indicators parallel to the pipeline, the second input of the conductivity data divider and the input of the second block for calculating squares, the output of the conductivity data divider is connected to the input of the arctangent calculation block, the outputs of the first and the second square calculation blocks are connected to the inputs of the square root extraction block, the outputs of the arc tangent calculation block and the square root extraction block are connected to the inputs of the corrosion magnitude and direction memory block, the control inputs of the recording of the primary data memory block and the corrosion magnitude and direction memory block are connected to the timer output , output of the timer setting unit of the system control module through the control unit of the control module, transmission and reception unit of the control module, transmission and reception unit of the measuring module, control unit of the measuring module is connected to the timer via a communication channel, data reading unit through the control unit of the control module, receiving unit -transmissions of the control module, the receiving and transmitting unit of the measuring module, the control unit of the measuring module are connected via a communication channel by the control inputs of reading the primary data memory block and the memory block of the magnitude and direction of corrosion, information outputs of the primary data memory block and the memory block of the magnitude and direction of corrosion through the block control unit of the measuring module, the receiving and transmitting unit of the measuring module, the receiving and transmitting unit of the control module, the control unit of the control module is connected via a communication channel to the inputs of the primary data storage unit and the unit for storing the magnitude and direction of corrosion, respectively, the installation unit for setting the minimum conductivity of single indicators covering the pipeline through the control unit of the control module, the receiving and transmitting block of the control module, the receiving and transmitting block of the measuring module, the control unit of the measuring module, the minimum conductivity setter of single indicators covering the pipeline, the first input of the unit for comparing the conductivity data of single indicators covering the pipeline, the conductivity comparator of the single indicators covering the pipeline , control unit of the measuring module, transmission and reception unit of the measuring module, transmission and reception block of the control module, control unit of the control module is connected via a communication channel to the input of the information block for exceeding the conductivity of individual minimum value indicators covering the pipeline, installation unit for setting the minimum conductivity of individual indicators parallel to the pipeline through the control unit of the control module, the receiving and transmitting unit of the control module, the receiving and transmitting unit of the measuring module, the control unit of the measuring module, the minimum conductivity setter of single indicators parallel to the pipeline, the first input of the unit for comparing the conductivity data of single indicators parallel to the pipeline, the conductivity comparator of single indicators parallel to the pipeline , control unit of the measuring module, reception-transmission block of the measuring module, reception-transmission block of the control module, control unit of the control module is connected via a communication channel to the input of the information block for exceeding the conductivity of single minimum value indicators parallel to the pipeline, outputs of the arctangent calculation block and the square root extraction block of each measuring module, through the control unit of the measuring module, the receiving and transmitting unit of the measuring module, the receiving and transmitting unit of the control module, the control unit of the control module are connected via a communication channel to the inputs of the corrosion amount register of the measuring modules and the corrosion direction register of the measuring modules, respectively, the outputs of the corrosion amount registers measuring modules and corrosion direction registers, the measuring modules, through a block for recording the magnitude and direction of corrosion along the entire length of the underground pipeline, are connected to the second input of the block for generating control actions to correct the protective potentials of electrochemical protection equipment located along the entire length of the underground pipeline, the first input of which is connected to the setting unit permissible values of the magnitude and direction of corrosion along the entire length of the underground pipeline, the block for generating control actions through the control unit of the control module and the receiving and transmitting block of the control module are made with the ability to carry out correction of the protective potentials of electrochemical protection equipment located along the entire length of the underground pipeline via a radio channel, characterized in that that the measuring module of the system additionally includes a synchronization block for polling single indicators, an “OR” logical element, an inverter, a block for measuring the induced voltage of single indicators, a memory block for induced voltages, the first and second registers, a block for comparing the dynamics of induced voltages, a dynamics setter for maximum permissible values induced voltages on individual indicators, a unit for comparing the dynamics of the maximum permissible values of induced voltages, a comparator for the dynamics of the maximum permissible values of induced voltages, an information block for exceeding the dynamics of the maximum permissible values of induced voltages, a unit for setting the dynamics of the maximum permissible values of induced voltages on individual indicators, registers of induced voltages along the entire length of an underground pipeline, a block for recording induced voltages along the entire length of an underground pipeline, a block for setting permissible values of induced voltages along the entire length of an underground pipeline, a block for generating corrective actions based on induced voltages, a correction amplifier, an adder for correcting protective potentials of electrochemical equipment protection located along the entire length of the underground pipeline, a block for storing induced voltage values, a block for storing the dynamics of induced voltages, and measurement prohibition inputs have been added to the block for measuring the conductivity of single indicators covering the pipeline and the block for measuring the conductivity of single indicators parallel to the pipeline, the timer output is connected to the input of the synchronization block polling of single indicators, the measurement selection output of the synchronization block for polling of single indicators is connected to the prohibition inputs of the measurement block of the conductivity measuring block of single indicators covering the pipeline and the conductivity measuring block of single indicators parallel to the pipeline directly, and with the measurement prohibition input of the block for measuring the induced voltage of single indicators through an inverter, clocking output measurements of the conductivity of single indicators of the synchronization block for polling of single indicators is connected by the input of the logical element “OR” and the control inputs of the recording of the primary data memory block and the memory block of the magnitude and direction of corrosion, the clock output of the measurements of induced voltages of single indicators of the synchronization block of polling of single indicators is connected by the input of the logical element “OR” "and the control inputs of the induced voltage memory block and the first register of the measuring module, the output of the logical element "OR" is connected to the control input of the switch of single indicators, the transverse and longitudinal corrosion outputs of the switch are connected to the information inputs of the block for measuring the induced voltage of single indicators, the common output of the switch is connected with the common input of the block for measuring the induced voltage of single indicators, the output of the block for measuring the induced voltage of single indicators is connected to the input of the induced voltage memory block and the information input of the first register, the output of the first register is connected to the information input of the second register, the outputs of the first and second registers are connected to the second and first inputs of the block for comparing the dynamics of induced voltages, the output of which, through a block for comparing the dynamics of the maximum permissible values of induced voltages, is connected to the first input of the comparator for the dynamics of the maximum permissible values of induced voltages, the output of the dynamics setter for the maximum permissible values of induced voltages on single indicators is connected to the second input of the comparator for the dynamics of the maximum permissible values induced voltages, a data reading unit through the control unit of the control module, a receiving and transmitting unit of the control module, a receiving and transmitting unit of the measuring module, the control unit of the measuring module is connected via a communication channel by the control inputs of reading the induced voltage memory block, the output of the unit for measuring the induced voltage of individual indicators through the control unit of the measuring module, the receiving and transmitting unit of the measuring module, the receiving and transmitting unit of the control module, the control unit of the control module is connected via a communication channel to the input of the induced voltage register of the measuring units along the entire length of the underground pipeline, the outputs of the induced voltage memory unit and the induced voltage dynamics comparison unit voltages through the control unit of the measuring module, the receiving and transmitting unit of the measuring module, the receiving and transmitting unit of the control module, the control unit of the control module are connected via a communication channel to the inputs of the block for storing the values of induced voltages and the block for storing the dynamics of induced voltages of the control module, respectively, the output of the setpoint setting unit dynamics of the maximum permissible values of induced voltages on individual indicators through the control unit of the control module, the receiving and transmitting unit of the control module, the receiving and transmitting unit of the measuring module, the control unit of the measuring module is connected to the input of the dynamics setter of the maximum permissible values of induced voltages on individual indicators, the output of the dynamics comparator maximum permissible values of induced voltages through the control unit of the measuring module, the receiving and transmitting unit of the measuring module, the receiving and transmitting unit of the control module, the control unit of the control module is connected via a communication channel to the input of the information block for exceeding the dynamics of the maximum permissible values of induced voltages, the outputs of the induced voltage registers the entire length of the underground pipeline through a block for recording induced voltages along the entire length of the underground pipeline are connected to the second input of the block for generating corrective actions based on induced voltages, the first input of which is connected to a block for setting permissible values of induced voltages along the entire length of the underground pipeline, the output of the block for generating corrective actions based on induced voltages voltage through a correcting amplifier is connected to the second input of the protective potential correction adder of the electrochemical protection equipment, the second input of which is connected to the output of the control action generating unit, the protective potential correction adder through the control unit and the control module reception and transmission unit is made with the ability to carry out correction of protective potentials via a radio channel electrochemical protection equipment located along the entire length of the underground pipeline.