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CN117028747A - Water supply pipeline, monitoring method and processing method - Google Patents

Water supply pipeline, monitoring method and processing method Download PDF

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Publication number
CN117028747A
CN117028747A CN202311198066.1A CN202311198066A CN117028747A CN 117028747 A CN117028747 A CN 117028747A CN 202311198066 A CN202311198066 A CN 202311198066A CN 117028747 A CN117028747 A CN 117028747A
Authority
CN
China
Prior art keywords
pipe
water supply
pipeline
metal wire
coating layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311198066.1A
Other languages
Chinese (zh)
Inventor
张健生
王永达
林细勇
何旺枝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rifeng New Material Co ltd
Rifeng Enterprise Foshan Co Ltd
Rifeng Enterprise Group Co Ltd
Original Assignee
Rifeng New Material Co ltd
Rifeng Enterprise Foshan Co Ltd
Rifeng Enterprise Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rifeng New Material Co ltd, Rifeng Enterprise Foshan Co Ltd, Rifeng Enterprise Group Co Ltd filed Critical Rifeng New Material Co ltd
Priority to CN202311198066.1A priority Critical patent/CN117028747A/en
Publication of CN117028747A publication Critical patent/CN117028747A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
    • G01B7/18—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
    • G01B7/22—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in capacitance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/24—Investigating the presence of flaws
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014—Type of force applied
    • G01N2203/0016—Tensile or compressive
    • G01N2203/0017—Tensile

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

The embodiment of the application provides a water supply pipeline, a monitoring method and a processing method, wherein the water supply pipeline comprises more than two pipeline units, each pipeline unit comprises a core pipe and an electric insulation medium coating layer positioned outside the core pipe, a metal wire is arranged between the core pipe and the electric insulation medium coating layer, the metal wire is arranged along the axis direction of the core pipe, a resistance detection device for measuring the resistance of the metal wire is connected to the metal wire, two ends of the core pipe and the metal wire are positioned outside the electric insulation medium coating layer to form a connecting part, the core pipes corresponding to adjacent pipeline units are connected in a hot melting or electric melting way, and detection lines are connected in a contact way; the connecting part is sleeved with a shrinkage protective sleeve, and two ends of the shrinkage protective sleeve are respectively sleeved on two adjacent electric insulation dielectric coating layers. The deformation and infiltration conditions of the pipe can be judged conveniently by measuring the resistance value change of each detection line and the capacitance value change condition between the detection lines.

Description

Water supply pipeline, monitoring method and processing method
Technical Field
The application relates to the field of pipeline transportation, in particular to a water supply pipeline, a monitoring method and a processing method.
Background
The water supply pipeline is generally paved below the road, and along with the rapid development of road transportation industry in China, part of the pipeline is influenced by excessive vehicle load for a long time, especially some pipelines with shallow burial depths, so that the probability of pipeline leakage is increased; the concrete address of the pavement of the underground pipeline is not particularly known by other construction enterprises, so that no protective measures are taken when excavation construction is carried out on the periphery of the pipeline, and the pipeline can be excavated or crushed, so that the pipeline is accidentally burst.
The pipe network leakage mainly has two forms of light leakage and dark leakage, and causes of the light leakage are various, including improper construction, high water pressure, pipe bursting, serious pipeline aging, pipeline material quality being not closed and individual water stealing behavior and the like. Although these leaks cannot be completely eliminated, they can be controlled within a certain range by taking effective measures. The dark leakage mainly occurs near the underground water supply pipeline, and is difficult to find if the professional does not carefully examine due to certain concealment, which is one of the difficulties faced by the whole water supply industry to date.
In view of this, the present application has been made.
Disclosure of Invention
The application aims at providing a water supply pipeline, a monitoring method and a processing method, which are beneficial to finding out pipes with hidden water leakage hazards in advance.
Embodiments of the application may be implemented as follows:
in a first aspect, the application provides a water supply pipeline, comprising more than two pipeline units, wherein each pipeline unit comprises a core pipe and an electric insulation medium coating layer positioned outside the core pipe, a metal wire is arranged between the core pipe and the electric insulation medium coating layer, the metal wire is arranged along the axis direction of the core pipe, a resistance detection device for measuring the resistance of the metal wire is connected to the metal wire, two ends of the core pipe and the metal wire are positioned outside the electric insulation medium coating layer to form a connection part, and the core pipes corresponding to adjacent pipeline units are connected in a hot melting or electric melting way, and detection lines are connected in a contact way; the connecting part is sleeved with a shrinkage protective sleeve, and two ends of the shrinkage protective sleeve are respectively sleeved on two adjacent electric insulation dielectric coating layers.
In an alternative embodiment, the number of the metal wires is more than three, and the three or more metal wires are sequentially arranged along the circumferential direction of the core tube.
In an alternative embodiment, the device further comprises a first capacitance detection device, and the first capacitance detection device is connected between any two metal wires.
In an alternative embodiment, the device further comprises a second capacitance detection device, wherein the second capacitance detection device is connected between any one metal wire and the ground wire.
In an alternative embodiment, the core tube is made of thermoplastic material; and/or the material of the dielectric insulating medium coating layer is thermoplastic material; and/or, the material of the shrinkage protective sleeve is thermoplastic material.
In an alternative embodiment, the core tube is made of PE, PP or PVC; and/or the material of the electric insulating medium coating layer is PE, PP or PVC; and/or the material of the shrinkage protective sleeve is PE, PP or PVC.
In an alternative embodiment, two ends of the shrink protective sleeve are respectively adhered to two adjacent dielectric coating layers through adhesive layers.
In an alternative embodiment, a gap is provided between the core tube and the shrink protective sleeve where the connection is located.
In a second aspect, the present application provides a method for monitoring a water supply line according to any one of the preceding embodiments, comprising:
monitoring deformation conditions, and judging the stress deformation conditions of the pipe through the change of the resistance value measured by the resistance detection device and/or the change of the capacitance measured by the first capacitance detection device;
and/or, monitoring the infiltration condition, and judging the infiltration condition of the pipe through the change of the capacitance measured by the first capacitance detection device and/or the change of the capacitance measured by the second capacitance detection device.
In a third aspect, the present application provides a method for processing a water supply pipe according to any one of the foregoing embodiments, including:
processing a pipeline unit, extruding a core pipe and sizing; extruding an electric insulating medium coating layer outside the core pipe, wherein a guide hole/groove for positioning a detection line at a specified position of the pipe is formed in a die for extruding the electric insulating medium coating layer;
and (3) connecting the pipeline units, namely performing hot melting or electric melting connection on core tubes corresponding to the two pipeline units, connecting metal wires corresponding to the two pipeline units, sleeving a shrinkage protective sleeve on the outer side of the connecting part of the two pipeline units, and respectively bonding two ends of the shrinkage protective sleeve on two adjacent dielectric medium coating layers.
The beneficial effects of the embodiment of the application include, for example:
the electric insulating dielectric coating layer can be used as an electric insulating dielectric between metal wires and is matched with the metal wires to form a capacitor, when the pipe is deformed by external force, the dielectric is in a compressed or stretched state, and the dielectric constant is changed, so that the capacitance value between the wires is changed; the metal wire is fixed between the core tube and the electric insulation dielectric medium coating layer, when the pipe is deformed by external force, the detection line is locally stretched and deformed, and the resistivity is changed, so that the deformation, infiltration and other conditions of the pipe can be judged conveniently by measuring the resistance value change of each detection line and the capacitance value change condition between the detection lines.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a piping unit according to the present application;
FIG. 2 is a schematic view of a piping unit according to another aspect of the present application;
FIG. 3 is a schematic view of a water supply pipeline according to the present application.
Icon: 100-piping units; 110-core tube; 120-metal lines; 130-an electrically insulating dielectric coating; 140-connecting part; 200-shrink protective sheath.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present application and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
It should be noted that the features of the embodiments of the present application may be combined with each other without conflict.
Referring to fig. 1 to 3, the present embodiment provides a water supply pipeline, including more than two pipeline units 100, where the pipeline units 100 include a core tube 110 and an electrically insulating dielectric coating layer 130 located outside the core tube 110, a metal wire 120 is disposed between the core tube 110 and the electrically insulating dielectric coating layer 130, the metal wire 120 is disposed along an axis direction of the core tube 110, a resistance detection device for measuring a resistance of the metal wire 120 is connected to the metal wire 120, and two ends of the core tube 110 and the metal wire 120 are located outside the electrically insulating dielectric coating layer 130 to form a connection part 140, and hot-melt or electric-melt connection is performed between the core tubes 110 corresponding to adjacent pipeline units 100, and a detection line is in contact connection; the outer side of the connecting portion 140 is sleeved with a shrinkage protecting sleeve 200, and two ends of the shrinkage protecting sleeve 200 are respectively sleeved on two adjacent dielectric insulating medium coating layers 130.
The present embodiment provides a water supply pipe, which is formed by connecting more than two pipe units 100, wherein each pipe unit 100 comprises a core pipe 110, a metal wire 120 and an electric insulation medium coating layer 130, the core pipe 110 is a water supply working pipe, and mainly plays a role of pressure bearing; the dielectric coating 130 is coated on the core tube 110 to protect the core tube 110 and the metal wire 120 and fix the metal wire 120, in addition, the dielectric coating 130 can also be used as an electrical insulating medium between the metal wires 120 and is matched with the metal wire 120 to form a capacitor, when the pipe is deformed by external force, the dielectric medium is in a compressed or stretched state, the dielectric constant is changed, and thus the capacitance value between wires is changed; the metal wire 120 can be selected from constantan wires or nichrome wires, etc. according to the requirement, and is fixed between the core tube 110 and the dielectric medium coating layer 130, when the pipe is deformed by external force, the detection line is locally stretched and deformed, the resistivity is changed, and the deformation and infiltration of the pipe can be judged conveniently by measuring the resistance value change of each detection line and the capacitance value change between the detection lines.
The resistance detecting device in this embodiment is used to detect the resistance of the metal wire 120, and may be a multimeter.
It should be noted that, in this embodiment, the metal wire used for connecting the water supply pipe with the detection device may be slightly longer, so as to be convenient to connect with the detection device, and of course, if it is inconvenient to leave the metal wire too long in some cases, the metal wire may also be connected with the detection device or other structures through an external lead.
In an alternative embodiment, three or more wires 120 are provided, and three or more wires 120 are sequentially disposed along the circumference of the core tube 110 to form a measurement queue, and in some embodiments, three, four, five or more wires 120 may be provided, and in particular, may be selected according to the pipe diameter of the pipe.
In an alternative embodiment, the device further includes a first capacitance detection device, where the first capacitance detection device is connected between any two wires 120, and specifically, the first capacitance detection device is used to detect a capacitance between two wires 120, which may be a multimeter.
In an alternative embodiment, the device further comprises a second capacitance detection device, and the second capacitance detection device is connected between any one of the metal wires 120 and the ground, specifically, the second capacitance detection device is used for detecting the capacitance between the metal wire 120 and the ground, which may be a multimeter.
In an alternative embodiment, the core tube 110 is made of a thermoplastic material; and/or, the material of the dielectric insulating dielectric coating layer 130 is thermoplastic material; and/or, the material of the shrink protective sleeve 200 is thermoplastic.
In an alternative embodiment, the core tube 110 is made of PE, PP or PVC; and/or, the material of the dielectric insulating dielectric coating layer 130 is PE, PP or PVC; and/or, the material of the shrinkage protection sleeve 200 is PE, PP or PVC.
In an alternative embodiment, the two ends of the shrink sleeve 200 are adhered to two adjacent dielectric coating layers 130 by an adhesive layer.
The shrink protective sleeve 200 is fixed at the connection position between the adjacent pipeline units 100 by adopting an adhesive layer (not shown in the figure), so that the metal wires 120 can be isolated from the external environment of the pipe, the external moisture is prevented from being equal to the contact of the metal wires 120, the resistance of the metal wires 120 or the capacitance between the metal wires 120 and the ground wire is prevented from being influenced, the influence of the environment on the resistance and capacitance test result is avoided as much as possible, and the accuracy is improved.
In an alternative embodiment, a gap is provided between the core tube 110 and the shrink sleeve 200 where the connection 140 is located. In this embodiment, since the connection portion 140 is not provided with the dielectric coating layer 130, and the shrink sleeve 200 is adhered to the outside of the dielectric coating layer 130, there is a gap between the core tube 110 and the shrink sleeve 200, which can be approximately considered to be under vacuum.
Another embodiment of the present application provides a method for monitoring a water supply pipe according to any one of the preceding embodiments, comprising:
monitoring deformation conditions, and judging the stress deformation conditions of the pipe through the change of the resistance value measured by the resistance detection device and/or the change of the capacitance measured by the first capacitance detection device;
and/or, monitoring the infiltration condition, and judging the infiltration condition of the pipe through the change of the capacitance measured by the first capacitance detection device and/or the change of the capacitance measured by the second capacitance detection device.
The specific method for monitoring the state of the pipeline by adopting the method of the embodiment comprises the following steps: and establishing an original model, collecting working condition data, analyzing and comparing the data and checking and repairing the pipeline.
Wherein, an original model is established: and collecting basic data of the change of the resistance value of the detection line and the capacitance value between the detection lines of the pipe under the action of various external forces and various infiltration environments, and taking the basic data as an original data model.
And (5) collecting working condition data: and monitoring and recording the resistance value of the detection line and the capacitance value between the detection lines in each section of pipeline.
Data analysis and comparison: comparing the daily, monthly and annual change values of the data of the pipeline, analyzing the trend of the pipeline, searching the data with obvious saliency, and comprehensively analyzing the environmental condition at the time.
And (3) pipeline investigation and repair: and (5) checking abnormal points and repairing the problem pipeline.
In this embodiment, the stress deformation condition can judge whether the tubular product has damaged hidden danger, and the infiltration condition can judge whether the tubular product has the leakage.
A further embodiment of the present application provides a method for processing a water supply pipe according to any one of the preceding embodiments, including:
processing the pipe unit 100, extruding the core pipe 110 and sizing; extruding an electric insulating dielectric coating layer 130 outside the core tube 110, wherein a guide hole/groove for positioning a detection line at a specified position of a pipe is arranged on a die for extruding the electric insulating dielectric coating layer 130;
and (3) connecting the pipeline units 100, namely performing hot melting or electric melting connection on the core tubes 110 corresponding to the two pipeline units 100, connecting the metal wires corresponding to the two pipeline units 100, sleeving a shrinkage protection sleeve 200 outside the connecting part 140 of the two pipeline units 100, and respectively bonding two ends of the shrinkage protection sleeve 200 on the two adjacent electric insulation dielectric coating layers 130.
In the process of manufacturing the pipe unit 100, the core pipe 110 is extruded, sized by the water tank, and then the dielectric coating 130 is extruded outside. Wherein the electrically insulating dielectric coating 130 is provided with uniformly distributed guide holes/grooves to position the inspection lines at the designated positions of the pipe. At the time of production, the sensing wire is extruded and fixed with the dielectric coating 130. The insulating medium coating mold differs from the prior art only in that guide holes/grooves are provided at positions corresponding to the wires 120, the size and number of which are adapted to the wires 120.
When the two pipeline units 100 are connected, the core pipe 110 is firstly connected and then connected with the metal wires, and finally, the shrinkage protective sleeve 200 is arranged, wherein the metal wires corresponding to the two pipeline units 100 can be directly screwed together, or can be connected or welded together by adopting a plurality of connecting pieces, and the specific mode is not limited; in some embodiments, the shrink sleeve 200 is installed by heating the shrink sleeve 200 to shrink it and reduce the gap between the shrink sleeve 200 and the core tube 110.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. The water supply pipeline is characterized by comprising more than two pipeline units, wherein each pipeline unit comprises a core pipe and an electric insulation medium coating layer positioned outside the core pipe, a metal wire is arranged between the core pipe and the electric insulation medium coating layer, the metal wire is arranged along the axis direction of the core pipe, a resistance detection device for measuring the resistance of the metal wire is connected to the metal wire, two ends of the core pipe and the metal wire are positioned outside the electric insulation medium coating layer to form a connecting part, the core pipes corresponding to adjacent pipeline units are connected in a hot melting or electric melting way, and detection lines are connected in a contact way; the connecting part is sleeved with a shrinkage protective sleeve, and two ends of the shrinkage protective sleeve are respectively sleeved on two adjacent electric insulation dielectric coating layers.
2. The water feed pipe of claim 1, wherein there are three or more wires, and three or more wires are sequentially disposed along the circumference of the core pipe.
3. The water supply line of claim 2, further comprising a first capacitance detection device connected between any two wires.
4. The water supply pipe according to claim 2, further comprising a second capacitance detection device connected between any one of the metal wires and the ground wire.
5. The water supply pipe according to claim 1, wherein the core tube is made of a thermoplastic material; and/or the material of the dielectric insulating medium coating layer is thermoplastic material; and/or, the material of the shrinkage protective sleeve is thermoplastic material.
6. The water supply pipeline according to claim 5, wherein the core pipe is made of PE, PP or PVC; and/or the material of the electric insulating medium coating layer is PE, PP or PVC; and/or the material of the shrinkage protective sleeve is PE, PP or PVC.
7. The water supply pipe according to claim 1, wherein the two ends of the shrink protective sleeve are respectively adhered to two adjacent electrically insulating dielectric coating layers by an adhesive layer.
8. The water supply pipe of claim 7, wherein a gap is provided between the core tube and the shrink sleeve where the connection is located.
9. A method of monitoring a water supply line as claimed in any one of claims 1 to 8, comprising:
monitoring deformation conditions, and judging the stress deformation conditions of the pipe through the change of the resistance value measured by the resistance detection device and/or the change of the capacitance measured by the first capacitance detection device;
and/or, monitoring the infiltration condition, and judging the infiltration condition of the pipe through the change of the capacitance measured by the first capacitance detection device and/or the change of the capacitance measured by the second capacitance detection device.
10. A method of processing a water supply line according to any one of claims 1 to 8, comprising:
processing a pipeline unit, extruding a core pipe and sizing; extruding an electric insulating medium coating layer outside the core pipe, wherein a guide hole/groove for positioning a detection line at a specified position of the pipe is formed in a die for extruding the electric insulating medium coating layer;
and (3) connecting the pipeline units, namely performing hot melting or electric melting connection on core tubes corresponding to the two pipeline units, connecting metal wires corresponding to the two pipeline units, sleeving a shrinkage protective sleeve on the outer side of the connecting part of the two pipeline units, and respectively bonding two ends of the shrinkage protective sleeve on two adjacent dielectric medium coating layers.
CN202311198066.1A 2023-09-15 2023-09-15 Water supply pipeline, monitoring method and processing method Pending CN117028747A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311198066.1A CN117028747A (en) 2023-09-15 2023-09-15 Water supply pipeline, monitoring method and processing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311198066.1A CN117028747A (en) 2023-09-15 2023-09-15 Water supply pipeline, monitoring method and processing method

Publications (1)

Publication Number Publication Date
CN117028747A true CN117028747A (en) 2023-11-10

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CN202311198066.1A Pending CN117028747A (en) 2023-09-15 2023-09-15 Water supply pipeline, monitoring method and processing method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118100046A (en) * 2024-04-23 2024-05-28 哈尔滨凯霖信息技术有限公司 Special pipeline of 5G communication

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118100046A (en) * 2024-04-23 2024-05-28 哈尔滨凯霖信息技术有限公司 Special pipeline of 5G communication

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