CN114113817A - Buried pipeline drainage monitoring method and monitoring device - Google Patents
Buried pipeline drainage monitoring method and monitoring device Download PDFInfo
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- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
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Abstract
The disclosure provides a buried pipeline drainage monitoring method and a buried pipeline drainage monitoring device, and belongs to the technical field of pipeline drainage monitoring. Drainage parameters of a plurality of drainage positions on the buried pipeline at the same moment are obtained, the drainage parameters of the drainage positions at the same moment have synchronism, and the states of the drainage positions on the buried pipeline can be comprehensively reflected. Furthermore, the state of each drainage position buried pipeline and the state of a drainage device at the drainage position can be determined according to the obtained drainage parameters, the state of each drainage position buried pipeline and the state of the drainage device at the drainage position can visually reflect the real-time drainage effect of the corresponding drainage position on the buried pipeline, and the state of the drainage device can be adjusted in time, so that the overall state of the buried pipeline is adjusted, the buried pipeline is adjusted to be in a state without drainage, the buried pipeline is ensured to be in a state without drainage, and the buried pipeline is ensured to be effectively protected.
Description
Technical Field
The disclosure relates to the technical field of pipeline drainage monitoring, in particular to a buried pipeline drainage monitoring method and a buried pipeline drainage monitoring device.
Background
The buried pipeline is used as a transmission carrier of oil gas, is easily interfered by stray current from the earth, some electric railways and lines when working, and generates electrochemical corrosion on the buried pipeline, so that a drain device is usually arranged at a position on the buried pipeline where the electrochemical corrosion is serious to drain the stray current, and the drainage effect of a pipe network where the buried pipeline is located needs to be monitored.
In the related art, drainage parameters of buried pipelines at a plurality of different drainage positions are usually obtained through manual sampling so as to evaluate and monitor the drainage effect of the buried pipelines. However, drainage parameters obtained by sampling cannot cope with the rapid fluctuation characteristics of dynamic interference, and data obtained by sampling are not comprehensive enough, so that the estimation of the drainage mitigation effect of the pipeline is prone to deviation, and further the recognition of the protection effectiveness of the whole pipeline is prone to deviation.
Disclosure of Invention
The embodiment of the disclosure provides a drainage monitoring method and a monitoring device for a buried pipeline, which can more comprehensively acquire relevant drainage parameters of the buried pipeline and ensure that the whole pipeline is effectively protected. The buried pipeline drainage monitoring method and device comprises the following steps:
the embodiment of the disclosure provides a buried pipeline drainage monitoring method, which comprises the following steps:
obtaining drainage parameters of a plurality of drainage positions on the buried pipeline at the same moment, wherein the drainage positions are positions provided with drainage devices;
determining the state of the buried pipeline at each drainage position and the state of the drainage device at the drainage position according to the drainage parameters;
and controlling the drainage device at the corresponding drainage position according to the state of the buried pipeline and the state of the drainage device.
Optionally, the drainage parameters include: the method comprises the following steps of (1) electrifying potential of the buried pipeline, power-off potential of the buried pipeline and alternating-current voltage of the buried pipeline;
the determining the state of the buried pipeline at each drainage position according to the drainage parameters comprises at least one of the following:
if the current drainage position of the buried pipeline is not zero, the power-off potential of the buried pipeline is out of the standard range of the power-off potential, and the alternating-current voltage of the buried pipeline is out of the standard range of the alternating-current voltage of the pipeline, determining that the state of the buried pipeline is the current drainage state;
and if the power-on potential of the buried pipeline at the drainage position is not zero, the power-off potential of the buried pipeline is within the standard range of the power-off potential, and the alternating-current voltage of the buried pipeline is within the standard range of the alternating-current voltage of the pipeline, determining that the buried pipeline is in a normal state.
Optionally, the drainage parameters include: current drain and voltage across the current drain; determining a state of an exhaust at the exhaust location as a function of the exhaust parameter, including at least one of:
if the direction of the drainage current is the same as the direction of the voltage at the two ends of the electric drainage device, and the voltage at the two ends of the electric drainage device is not equal to the open-circuit voltage of the electric drainage device, determining that the electric drainage device is in a normal drainage state;
if the drainage current is zero and the voltage at the two ends of the drainage device is equal to the open-circuit voltage of the drainage device, determining that the drainage device is in a normal closed state;
if the drainage current is zero and the voltage at the two ends of the electric drainage device is not equal to the open-circuit voltage of the electric drainage device, judging that the electric drainage device is in a fault state;
wherein the drain open-circuit voltage is a natural voltage across the drain when the drain is in a de-energized state.
Optionally, the drain at the drainage position corresponding to the state of the buried pipeline and the state of the drain is controlled according to the state of the buried pipeline, and the control method comprises at least one of the following steps:
if the buried pipeline is in a normal state and the drainage device is in a normal drainage state, closing the drainage device;
if the buried pipeline is in a normal state and the drainage device is in a fault state, replacing the drainage device and enabling the drainage device to be in a normal closed state;
if the buried pipeline is in a drainage state, the drainage device is in a normal drainage state, and when the buried pipeline enters the normal state, the drainage device is closed;
if the buried pipeline is in a drainage-required state and the drainage device is in a normal closing state, opening drainage of the drainage device until the buried pipeline enters the normal state, and closing the drainage device;
and if the buried pipeline is in a drainage-required state and the drainage device is in a fault state, replacing the drainage device and enabling the drainage device to be in a normal closed state.
Optionally, the method further includes controlling a drain at the corresponding drainage position according to the state of the buried pipeline and the state of the drain, and further includes:
if the drainage current of the drainage device is larger than the maximum drainage threshold value, the resistance of the drainage device is increased until the drainage current is lower than the maximum drainage threshold value;
if the drainage current of the drainage device is smaller than the minimum drainage threshold value, the resistance of the drainage device is reduced until the drainage current is higher than the minimum drainage threshold value.
Optionally, the buried pipeline drainage monitoring method further comprises:
acquiring drainage parameters of a plurality of drainage positions on the buried pipeline at each moment within a set duration;
and determining the state change trend of the buried pipeline and the drainage device at the drainage position according to the change trend of the drainage parameters.
Optionally, the drainage parameter further includes an open-circuit potential of a drainage ground bed, and the buried pipeline drainage monitoring method further includes:
and before determining the state of the buried pipeline at each drainage position according to the drainage parameters, judging whether the drainage ground bed needs to be replaced according to the open circuit potential of the drainage ground bed. The embodiment of the present disclosure provides a buried pipeline drainage monitoring device, the buried pipeline drainage monitoring device includes:
the drainage parameter acquisition module is used for acquiring drainage parameters of a plurality of drainage positions on the buried pipeline at the same moment, wherein the drainage positions are positions provided with drainage devices;
the processing module is used for determining the state of the buried pipeline at each drainage position and the state of the drainage device at the drainage position according to the drainage parameters;
and the control module is used for controlling the corresponding drainage device at the drainage position according to the state of the buried pipeline and the state of the drainage device.
The embodiment of the present disclosure provides a computer device, wherein the computer device includes:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to perform a buried pipeline drainage monitoring method as hereinbefore described.
The disclosed embodiments provide a non-transitory computer readable storage medium having stored therein at least one instruction that is loaded and executed by a processor to implement a buried pipeline drainage monitoring method as described above.
The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure at least comprise:
drainage parameters of a plurality of drainage positions on the buried pipeline at the same moment are obtained, the drainage parameters of the drainage positions at the same moment have synchronism, and the states of the drainage positions on the buried pipeline can be comprehensively reflected. Furthermore, the state of each drainage position buried pipeline and the state of a drainage device at the drainage position can be determined according to the obtained drainage parameters, the state of each drainage position buried pipeline and the state of the drainage device at the drainage position can visually reflect the real-time drainage effect of the corresponding drainage position on the buried pipeline, and the state of the drainage device can be adjusted in time, so that the overall state of the buried pipeline is adjusted, the buried pipeline is adjusted to be in a state without drainage, the buried pipeline is ensured to be in a state without drainage, and the buried pipeline is ensured to be effectively protected.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a flow chart of a buried pipeline drainage monitoring method provided by an embodiment of the present disclosure;
fig. 2 is a flow chart of another buried pipeline drainage monitoring method provided by an embodiment of the present disclosure;
fig. 3 is a schematic diagram of a buried pipeline drainage monitoring device provided by an embodiment of the present disclosure;
FIG. 4 is a block diagram of a computer device provided by an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a buried pipeline drainage monitoring device provided by an embodiment of the present disclosure;
fig. 6 is a side view of a buried pipeline drainage monitoring device provided by an embodiment of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.
Fig. 1 is a flowchart of a buried pipeline drainage monitoring method provided in an embodiment of the present disclosure, and referring to fig. 1, the buried pipeline drainage monitoring method includes:
s101: and acquiring drainage parameters of a plurality of drainage positions on the buried pipeline at the same moment, wherein the drainage positions are positions provided with drainage devices.
S102: and determining the state of the buried pipeline at each drainage position and the state of the drainage device at the drainage position according to the drainage parameters.
S103: and controlling the drainage device at the corresponding drainage position according to the state of the buried pipeline and the state of the drainage device.
Drainage parameters of a plurality of drainage positions on the buried pipeline at the same moment are obtained, the drainage parameters of the drainage positions at the same moment have synchronism, and the states of the drainage positions on the buried pipeline can be comprehensively reflected. Furthermore, the state of each drainage position buried pipeline and the state of a drainage device at the drainage position can be determined according to the obtained drainage parameters, the state of each drainage position buried pipeline and the state of the drainage device at the drainage position can visually reflect the real-time drainage effect of the corresponding drainage position on the buried pipeline, and the state of the drainage device can be adjusted in time, so that the overall state of the buried pipeline is adjusted, the buried pipeline is adjusted to be in a state without drainage, the buried pipeline is ensured to be in a state without drainage, and the buried pipeline is ensured to be effectively protected.
Fig. 2 is a flow chart of another buried pipeline drainage monitoring method provided by the embodiment of the present disclosure, and referring to fig. 2, the buried pipeline drainage monitoring method may include:
s201: position data corresponding to a plurality of drainage positions on the buried pipeline are obtained, and the drainage positions are positions provided with drainage devices.
The acquisition of the position data can facilitate the establishment of the corresponding relationship between the drainage parameters and the corresponding drainage positions. And directly judging whether the data of the drainage parameters of a certain drainage position has problems or not and judging the drainage effect at the drainage position.
It should be noted that the position where the drainage device is arranged is also the position where the buried pipeline is easily interfered by stray current and drainage is needed.
S202: and acquiring drainage parameters of a plurality of drainage positions on the buried pipeline at the same moment and drainage parameters of the buried pipeline at each moment within a set time length.
The drainage parameters may include: the current-carrying potential of the buried pipeline, the power-off potential of the buried pipeline, the alternating-current voltage of the buried pipeline, the drainage current, the voltage at two ends of the drainage device and the open-circuit potential of the drainage ground bed.
The drainage parameters comprise a plurality of parameters in the previous section, so that the states of the buried pipeline per se at the drainage position, the drainage device and the drainage ground bed at the buried pipeline can be comprehensively and accurately reflected, the monitoring is convenient, and meanwhile, the states of the buried pipeline and the drainage device can be timely adjusted.
It should be noted that the power-on potential of the buried pipeline, the power-off potential of the buried pipeline, the alternating voltage of the buried pipeline, the drainage current, the voltage at the two ends of the drainage device and the open-circuit potential of the drainage ground bed. Can be measured by an instrument.
S203: and judging whether the drainage ground bed needs to be replaced or not according to the open-circuit potential of the drainage ground bed.
The provision of the open circuit potential of the drainage ground bed can judge whether the drainage ground bed has problems before judging whether the drainage state of the buried pipeline and the buried pipeline need drainage, and if the drainage ground bed has problems, the drainage ground bed is replaced, so that the drainage ground bed is prevented from being in a damaged state, and the influence on the drainage state of the buried pipeline and the judgment on whether the buried pipeline needs drainage is avoided.
It should be noted that the standard potential values of different drainage ground beds in natural soil are different, and if the open-circuit potential of the drainage ground bed is different from the standard potential value of the drainage ground bed, it can be determined that the drainage ground bed is possibly damaged and needs to be replaced. To ensure the normal operation of the drainage.
The drainage ground bed is usually a metal piece buried in the ground where the buried pipeline is located, and the standard potential value of different drainage ground beds in natural soil can be obtained by measuring the metal piece for multiple times.
S204: and determining the state of the buried pipeline at each drainage position and the state of the drainage device at the drainage position according to the drainage parameters.
Step S204 may include: determining a state of the buried pipeline at each drainage location from the drainage parameters, including at least one of:
if the power-on potential of the buried pipeline at the drainage position is not zero, the power-off potential of the buried pipeline is outside the standard range of the power-off potential, and the alternating-current voltage of the buried pipeline is outside the standard range of the alternating-current voltage of the pipeline, determining that the state of the buried pipeline is the state needing drainage; and if the power-on potential of the buried pipeline at the drainage position is not zero, the power-off potential of the buried pipeline is within the standard range of the power-off potential, and the alternating-current voltage of the buried pipeline is within the standard range of the alternating-current voltage of the pipeline, determining that the buried pipeline is in a normal state.
The current potential state of the buried pipeline can be comprehensively reflected by the power-on potential of the buried pipeline, the power-off potential of the buried pipeline and the alternating-current voltage of the buried pipeline, and the obtained state of the buried pipeline is more accurate. The power-on potential of the buried pipeline, the power-off potential of the buried pipeline and the alternating voltage of the buried pipeline can be convenient for judging whether the pipeline needs drifting or not, and the follow-up adjustment can be carried out according to the power-on potential, the power-off potential and the alternating voltage of the buried pipeline.
It should be noted that the standard ranges of the power-off potential and the ac voltage of the pipeline can be obtained from the national standards GBT 21448-.
In step S204, the state of the drainage device at the drainage position is determined according to the drainage parameter, which includes at least one of the following:
if the direction of the current drainage current is the same as the direction of the voltage at the two ends of the current drainage device, and the voltage at the two ends of the current drainage device is not equal to the open-circuit voltage of the current drainage device, determining that the current drainage device is in a normal current drainage state; if the drainage current is zero and the voltage at the two ends of the drainage is equal to the open-circuit voltage of the drainage, determining that the drainage is in a normal closed state; if the drainage current is zero, the voltage at the two ends of the drainage device is not equal to the open-circuit voltage of the drainage device, and the drainage device is judged to be in a fault state; the drain open-circuit voltage is the natural voltage at two ends of the drain when the drain is in the power-off state.
The current state of the electric drainage device can be comprehensively reflected by the direction of the electric drainage current and the voltage at the two ends of the electric drainage device, and the obtained state of the electric drainage device is more accurate. And judging whether the drainer works normally or not, and subsequently adjusting according to the judgment.
It should be noted that the direction of the voltage across the drain is from the end with the higher drain voltage to the end with the lower drain voltage.
In one implementation provided by the present disclosure, the voltage value of the voltage at the end with the higher voltage of the drain may be subtracted from the voltage value of the voltage at the end with the lower voltage of the drain to obtain the voltage difference across the drain. And the calculation is convenient.
S205: and controlling the drainage device at the corresponding drainage position according to the state of the buried pipeline and the state of the drainage device.
In step S205, the drain at the corresponding drainage position is controlled according to the state of the buried pipeline and the state of the drain, and the control method includes at least one of the following steps:
if the buried pipeline is in a normal state and the drainage device is in a normal drainage state, closing the drainage device; if the buried pipeline is in a normal state and the drainage device is in a fault state, replacing the drainage device and enabling the drainage device to be in a normal closed state; if the buried pipeline is in a state needing drainage, the drainage device is in a normal drainage state, and the drainage device is closed when the buried pipeline enters the normal state; if the buried pipeline is in a state needing drainage and the drainage device is in a normal closing state, opening drainage of the drainage device until the buried pipeline enters the normal state, and closing the drainage device; and if the buried pipeline is in a drainage-required state and the drainage device is in a fault state, replacing the drainage device and enabling the drainage device to be in a normal closed state.
The states of the buried pipeline and the drainage device at the drainage position at the same moment are determined according to the drainage parameters at the same moment, so that the drainage state of the buried pipeline can be adjusted more pertinently, and the purpose of effectively protecting the buried pipeline is achieved.
In step S205, controlling the drainage device at the corresponding drainage position according to the state of the buried pipeline and the state of the drainage device, the method may further include:
if the drainage current of the drainage device is larger than the maximum drainage threshold value, the resistance of the drainage device is increased until the drainage current is lower than the maximum drainage threshold value; if the drainage current of the drainage device is smaller than the minimum drainage threshold value, the resistance of the drainage device is reduced until the drainage current is higher than the minimum drainage threshold value.
When the drainage device drains normally, the drainage current of the drainage device is adjusted, so that the drainage current of the drainage device can be ensured to be in a reasonable state, the buried pipeline can drain normally, and the drainage device can not overload.
It should be noted that the maximum drain threshold may be a current when the drain operates at a rated operating voltage, and the minimum drain threshold may be a current when the drain operates at an operating voltage slightly greater than an open-circuit voltage of the drain.
S206: and determining the state change trend of the buried pipeline and the drainage device at the drainage position according to the change trend of the drainage parameters.
The state change trend of the buried pipeline and the drainage device at the drainage position is obtained, all states of the drainage position within set time can be recorded, and the observation of workers is facilitated.
For example, the set time period may be 1-24 h. The obtained state change trend of the buried pipeline and the drainage device at the drainage position is obvious and stable. The observation is convenient.
Alternatively, the trend of the change of state of the buried pipeline and the drainer may be prepared as a graph. Can be observed more intuitively.
Fig. 3 is a schematic diagram of a principle of a buried pipeline drainage monitoring device provided in an embodiment of the present disclosure, and as can be seen with reference to fig. 3, the embodiment of the present disclosure provides a buried pipeline drainage monitoring device, which includes:
the drainage parameter acquiring module 101 is configured to acquire drainage parameters of a plurality of drainage positions on the buried pipeline at the same time, where the drainage positions are positions where drainage devices are arranged.
And the processing module 102 is configured to determine a state of the buried pipeline at each drainage position and a state of the drainage device at the drainage position according to the drainage parameters.
And the control module 103 is used for controlling the drainage device at the corresponding drainage position according to the state of the buried pipeline and the state of the drainage device.
Drainage parameters of a plurality of drainage positions on the buried pipeline at the same moment can be quickly obtained through the drainage parameter obtaining module 101, and states of a plurality of different drainage positions on the buried pipeline can be comprehensively reflected. The processing module 102 may further determine the state of the buried pipeline at each drainage position and the state of the drainage device at the drainage position according to the obtained drainage parameters, and the state of the buried pipeline at each drainage position and the state of the drainage device at the drainage position may visually reflect a real-time drainage effect of a corresponding drainage position on the buried pipeline. Finally, the control module 103 can adjust the state of the drainage device in time, so as to adjust the overall state of the buried pipeline, adjust the buried pipeline to a state without drainage, ensure that all the buried pipeline is in a state without drainage, and ensure that all the buried pipeline is effectively protected.
Especially when the pipeline is disturbed by dynamic stray current, the actual drainage effect of the drainage device at the drainage position cannot be tested by manual detection, the concrete drainage state of the buried pipeline can be obtained through the drainage monitoring device of the buried pipeline, the effective maintenance and management of the pipeline drainage device can be realized, and the management efficiency is greatly improved.
And the electronic device is used for replacing manual work for testing, so that the labor cost can be reduced. The detection frequency of the drainage device at the key positions can meet the requirement of standard specifications under the condition of not increasing additional special plans and special personnel, so that the operation and maintenance management cost of the cathode protection system is reduced, the comprehensiveness of the operation and maintenance management is obviously improved, and the safe, reliable and stable operation of an oil and gas pipeline is ensured.
Illustratively, the drainage parameter obtaining module 101 may be configured to obtain a power-on potential of the buried pipeline, a power-off potential of the buried pipeline, an ac voltage of the buried pipeline, a drainage current, a voltage across the drainage device, and an open-circuit potential of the drainage ground bed.
The power-on potential of the buried pipeline, the power-off potential of the buried pipeline and the alternating-current voltage of the buried pipeline, which are acquired by the drainage parameter acquisition module 101, can be obtained from the intelligent test pile 10. The intelligent test pile 10 can keep the data in real time, and is convenient for acquiring the power-on potential of the buried pipeline, the power-off potential of the buried pipeline and the alternating-current voltage of the buried pipeline.
The drainage current, the voltage at two ends of the drainage device, and the open-circuit potential of the drainage ground bed, which are acquired by the drainage parameter acquisition module 101, can be obtained through measurement.
Optionally, the drainage parameter obtaining module 101 may be further configured to set drainage parameters at each time of a plurality of drainage positions on the buried pipeline within a long time.
Optionally, the processing module 102 may further be configured to determine whether the drainage bed needs to be replaced according to the open-circuit potential of the drainage bed.
For example, the processing module 102 may be further configured to determine a state of the buried pipeline at each drainage location and a state of the drainage at the drainage location based on the drainage parameters.
Optionally, the processing module 102 is further configured to determine a state of the buried pipeline at each drainage position according to the drainage parameters, including at least one of:
if the power-on potential of the buried pipeline at the drainage position is not zero, the power-off potential of the buried pipeline is outside the standard range of the power-off potential, and the alternating-current voltage of the buried pipeline is outside the standard range of the alternating-current voltage of the pipeline, determining that the state of the buried pipeline is the state needing drainage; and if the power-on potential of the buried pipeline at the drainage position is not zero, the power-off potential of the buried pipeline is within the standard range of the power-off potential, and the alternating-current voltage of the buried pipeline is within the standard range of the alternating-current voltage of the pipeline, determining that the buried pipeline is in a normal state.
Optionally, the processing module 102 is further configured to determine a state of the drainage device at the drainage position according to the drainage parameter, where the state includes at least one of:
if the direction of the current drainage current is the same as the direction of the voltage at the two ends of the current drainage device, and the voltage at the two ends of the current drainage device is not equal to the open-circuit voltage of the current drainage device, determining that the current drainage device is in a normal current drainage state; if the drainage current is zero and the voltage at the two ends of the drainage is equal to the open-circuit voltage of the drainage, determining that the drainage is in a normal closed state; if the drainage current is zero, the voltage at the two ends of the drainage device is not equal to the open-circuit voltage of the drainage device, and the drainage device is judged to be in a fault state; the drain open-circuit voltage is the natural voltage at two ends of the drain when the drain is in the power-off state.
Illustratively, the processing module 102 is further configured to determine a trend of a change of state of the buried pipeline and the drainage pipe at the drainage position according to the trend of the drainage parameter.
Optionally, the control module 103 is further configured to control the drainage device at the corresponding drainage position according to the state of the buried pipeline and the state of the drainage device, and includes at least one of:
if the buried pipeline is in a normal state and the drainage device is in a normal drainage state, closing the drainage device; if the buried pipeline is in a normal state and the drainage device is in a fault state, replacing the drainage device and enabling the drainage device to be in a normal closed state; if the buried pipeline is in a state needing drainage, the drainage device is in a normal drainage state, and the drainage device is closed when the buried pipeline enters the normal state; if the buried pipeline is in a state needing drainage and the drainage device is in a normal closing state, opening drainage of the drainage device until the buried pipeline enters the normal state, and closing the drainage device; and if the buried pipeline is in a drainage-required state and the drainage device is in a fault state, replacing the drainage device and enabling the drainage device to be in a normal closed state.
For example, the control module 103 is further configured to, if the drainage current of the drain is greater than the maximum drainage threshold, increase the resistance of the drain until the drainage current is lower than the maximum drainage threshold; if the drainage current of the drainage device is smaller than the minimum drainage threshold value, the resistance of the drainage device is reduced until the drainage current is higher than the minimum drainage threshold value.
Referring to fig. 3, the buried pipeline drainage monitoring device may further include a position acquisition module 104, where the position acquisition module 104 is configured to acquire position data at a drainage position.
In one implementation provided by the present disclosure, the position acquisition module 104 may be a satellite positioning unit. The determination and the acquisition of the drainage position are easy to realize.
It should be noted that, the above structures in the drainage monitoring device for a buried pipeline can obtain corresponding effects in the drainage monitoring method for a buried pipeline shown in fig. 2, and therefore, the effects of the above structures are not described again.
Illustratively, the buried pipeline drainage monitoring device may further include a position display module 105, and the display module 105 is configured to display the drainage parameter acquired by the drainage parameter acquiring module 101.
The display module 105 displays the drainage parameters acquired by the drainage parameter acquisition module 101, so as to facilitate monitoring and judgment of the staff.
Referring to fig. 3, the buried pipeline drainage monitoring device may further include a power module 106. The power module 106 can supply power to ensure stable operation of the drainage monitoring device for the buried pipeline.
Fig. 4 is a block diagram of a computer device according to an embodiment of the present disclosure, and referring to fig. 4, the computer device includes:
a processor 100; a memory 200 for storing processor-executable instructions; wherein the processor 100 is configured to perform a buried pipeline drainage monitoring method as previously described.
Optionally, the storage medium has stored therein at least one instruction that is loadable and executable by the processor 100 to implement a buried pipeline drainage monitoring method as before.
Implementation and execution of method embodiments may be facilitated.
In fig. 4, the processor 100 executes various functional applications and information processing by running software programs and modules. The memory 200 may be connected to the processor 100 by a bus 300. The memory 200 may be used to store at least one instruction for execution by the processor 100 to implement the various steps in the above-described method embodiments.
Further, the memory 200 may be implemented by any type or combination of volatile or non-volatile storage devices, including but not limited to: magnetic or optical disks, electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), Static Random Access Memory (SRAM), read-only memory (ROM), magnetic memory, flash memory, programmable read-only memory (PROM).
Fig. 5 is a schematic structural diagram of a buried pipeline drainage monitoring device provided by an embodiment of the present disclosure, and as can be seen from fig. 5, the buried pipeline drainage monitoring device may further include an installation module 107, the installation module 107 includes a housing 1071, the display module 105 may include a display screen 1051, the display screen 1051 is disposed on the housing 1071, and the drainage parameter acquisition module 101, the processing module 102, the control module 103, the position acquisition module 104, and the power supply module 106 may be disposed in the housing 1071 (not shown in fig. 5).
The installation module 107 is beneficial to the installation of the drainage monitoring device for the buried pipeline, and protects the drainage parameter acquisition module 101, the processing module 102, the control module 103, the position acquisition module 104 and the power supply module 106.
Illustratively, the housing 1071 may be a waterproof housing. The possibility that the buried pipeline drainage monitoring device is damaged due to influence of rainwater is reduced.
As can be appreciated with reference to fig. 2, the housing 1071 may be box-shaped. Facilitating the attachment of the housing 1071 and the mounting and fixation of other unit structures.
Alternatively, the housing 1071 may be a detachable structure to facilitate installation of the drainage parameter acquisition module 101, the processing module 102, the control module 103, the position acquisition module 104, and the power supply module 106.
Optionally, the installation module 107 may further include an intelligent test pile connector 72, the intelligent test pile connector 72 being inserted onto the housing 1071.
The setting up of intelligence test stake connecting piece 72 easily realizes being connected with intelligence test stake 10, and the casing 1071 mountable is on intelligence test stake 10, also is convenient for bury buried pipeline drainage monitoring devices's dismouting.
Optionally, the intelligent test stake 10 may have a plurality of posts 10a thereon. Is convenient to be connected with a drainage monitoring device of the buried pipeline.
Fig. 6 is a side view of a buried pipeline drainage monitoring device provided in an embodiment of the present disclosure, as can be seen from fig. 5 and 6, the installation module 107 further includes a first standard interface 1073, a second standard interface 1074, an intelligent test pile connection line 1075 and a drain connector connection line 1076, the first standard interface 1073 and the second standard interface 1074 are arranged on the housing 1071 at an interval, the first standard interface 1073 is butted with the drainage parameter acquisition module 101 in the housing 1071 and is connected with one end of the intelligent test pile connection line 1075 outside the housing 1071, and the other end of the intelligent test pile connection line 1075 is connected with the intelligent test pile 10. The second standard interface 1074 interfaces with the drainage parameter acquisition module 101 inside the housing 1071 and is connected to one end of the drain connection 1076 outside the housing 1071, and the other end of the drain connection 1076 is connected to the drain 20.
By adopting the structure, the drainage parameter acquisition module 101 can acquire the electrified potential of the buried pipeline, the power-off potential of the buried pipeline and the alternating voltage of the buried pipeline through the first standard interface 1073 and the intelligent test pile connecting wire 1075 on the premise of not increasing the whole volume of the drainage monitoring device of the buried pipeline as much as possible. The drainage parameter acquisition module acquires the voltage and the drainage current at two ends of the drainer respectively.
It should be noted that, in one implementation provided by the present disclosure, the position of the intelligent test pile 10 may correspond to the drainage position one to one.
The data in the intelligent test pile are utilized, the protection effect of the pipeline at the drainage position can be monitored in time, and the integrity and the running state of the equipment are difficult to accurately judge in the field detection process.
Although the present disclosure has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the disclosure.
Claims (10)
1. A buried pipeline drainage monitoring method is characterized by comprising the following steps:
obtaining drainage parameters of a plurality of drainage positions on the buried pipeline at the same moment, wherein the drainage positions are positions provided with drainage devices;
determining the state of the buried pipeline at each drainage position and the state of the drainage device at the drainage position according to the drainage parameters;
and controlling the drainage device at the corresponding drainage position according to the state of the buried pipeline and the state of the drainage device.
2. A buried pipeline drainage monitoring method as claimed in claim 1, wherein the drainage parameters include: the method comprises the following steps of (1) electrifying potential of the buried pipeline, power-off potential of the buried pipeline and alternating-current voltage of the buried pipeline;
the determining the state of the buried pipeline at each drainage position according to the drainage parameters comprises at least one of the following:
if the current drainage position of the buried pipeline is not zero, the power-off potential of the buried pipeline is out of the standard range of the power-off potential, and the alternating-current voltage of the buried pipeline is out of the standard range of the alternating-current voltage of the pipeline, determining that the state of the buried pipeline is the current drainage state;
and if the power-on potential of the buried pipeline at the drainage position is not zero, the power-off potential of the buried pipeline is within the standard range of the power-off potential, and the alternating-current voltage of the buried pipeline is within the standard range of the alternating-current voltage of the pipeline, determining that the buried pipeline is in a normal state.
3. A buried pipeline drainage monitoring method as claimed in claim 1, wherein the drainage parameters include: current drain and voltage across the current drain; determining a state of an exhaust at the exhaust location as a function of the exhaust parameter, including at least one of:
if the direction of the drainage current is the same as the direction of the voltage at the two ends of the electric drainage device, and the voltage at the two ends of the electric drainage device is not equal to the open-circuit voltage of the electric drainage device, determining that the electric drainage device is in a normal drainage state;
if the drainage current is zero and the voltage at the two ends of the drainage device is equal to the open-circuit voltage of the drainage device, determining that the drainage device is in a normal closed state;
if the drainage current is zero and the voltage at the two ends of the electric drainage device is not equal to the open-circuit voltage of the electric drainage device, judging that the electric drainage device is in a fault state;
wherein the drain open-circuit voltage is a natural voltage across the drain when the drain is in a de-energized state.
4. A buried pipeline drainage monitoring method according to any one of claims 1 to 3, wherein controlling the drainage device at the corresponding drainage position according to the state of the buried pipeline and the state of the drainage device comprises at least one of the following:
if the buried pipeline is in a normal state and the drainage device is in a normal drainage state, closing the drainage device;
if the buried pipeline is in a normal state and the drainage device is in a fault state, replacing the drainage device and enabling the drainage device to be in a normal closed state;
if the buried pipeline is in a drainage state, the drainage device is in a normal drainage state, and when the buried pipeline enters the normal state, the drainage device is closed;
if the buried pipeline is in a drainage-required state and the drainage device is in a normal closing state, opening drainage of the drainage device until the buried pipeline enters the normal state, and closing the drainage device;
and if the buried pipeline is in a drainage-required state and the drainage device is in a fault state, replacing the drainage device and enabling the drainage device to be in a normal closed state.
5. A buried pipeline drainage monitoring method according to any one of claims 1 to 3, wherein the drainage device at the corresponding drainage position is controlled according to the state of the buried pipeline and the state of the drainage device, and further comprising:
if the drainage current of the drainage device is larger than the maximum drainage threshold value, the resistance of the drainage device is increased until the drainage current is lower than the maximum drainage threshold value;
if the drainage current of the drainage device is smaller than the minimum drainage threshold value, the resistance of the drainage device is reduced until the drainage current is higher than the minimum drainage threshold value.
6. A buried pipeline drainage monitoring method according to any one of claims 1 to 3, further comprising:
acquiring drainage parameters of a plurality of drainage positions on the buried pipeline at each moment within a set duration;
and determining the state change trend of the buried pipeline and the drainage device at the drainage position according to the change trend of the drainage parameters.
7. A buried pipeline drainage monitoring method according to any one of claims 1 to 3, wherein the drainage parameters further include an open circuit potential of a drainage ground bed, the buried pipeline drainage monitoring method further comprising:
and before determining the state of the buried pipeline at each drainage position according to the drainage parameters, judging whether the drainage ground bed needs to be replaced according to the open circuit potential of the drainage ground bed.
8. A buried pipeline drainage monitoring device, comprising:
the drainage parameter acquisition module is used for acquiring drainage parameters of a plurality of drainage positions on the buried pipeline at the same moment, wherein the drainage positions are positions provided with drainage devices;
the processing module is used for determining the state of the buried pipeline at each drainage position and the state of the drainage device at the drainage position according to the drainage parameters;
and the control module is used for controlling the corresponding drainage device at the drainage position according to the state of the buried pipeline and the state of the drainage device.
9. A computer device, characterized in that the computer device comprises:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to perform a buried pipeline drainage monitoring method as claimed in any one of claims 1 to 7.
10. A non-transitory computer readable storage medium having stored therein at least one instruction which is loaded and executed by a processor to implement a buried pipeline drainage monitoring method as claimed in any one of claims 1 to 7.
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| CN202010900185.7A CN114113817A (en) | 2020-08-31 | 2020-08-31 | Buried pipeline drainage monitoring method and monitoring device |
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