Ultrasonic detection device for in-service pipeline
By using the in-service pipeline ultrasonic detection device, permanent magnet components and variable magnet components are used to generate ultrasonic waves, which solves the problem of difficult detection of buried oil pipelines, realizes fast and accurate leakage point positioning, and reduces the risk of accidents.
Patent Information
- Application Number
- CN202422642038.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-31
AI Technical Summary
It is difficult to quickly and accurately detect leaks in oil pipelines buried in the soil, which can easily lead to the expansion of leaks and cause serious consequences.
An ultrasonic detection device for in-service pipelines is designed. It uses permanent magnet components and variable magnet components. A circular magnetic field is formed by the permanent magnet unit. Combined with the excitation coil, the ferromagnetic sleeve is driven to vibrate to generate ultrasonic waves, thereby realizing the detection of oil pipelines.
It achieves rapid and accurate detection of buried oil pipelines, reduces the risk of leakage expansion, and improves safety and detection efficiency.
Smart Images
Figure CN223449414U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to petroleum pipeline detection technical field especially relates to a kind of in-service pipeline ultrasonic testing device. BACKGROUND
[0002] Petroleum pipeline transportation refers to the direct transmission of petroleum to various petroleum facilities through dedicated conveying pipelines. Compared with traditional road and railway transportation, pipeline transportation has the advantages of low dependence on and impact on the external environment, good safety performance and more convenient management.
[0003] However, the construction of petroleum pipelines requires a large investment, and since the transported crude oil is flammable and explosive, there may be environmental and safety risks in the pipeline. During long-term use, petroleum pipelines are prone to leakage, which may cause fires, explosions, casualties and environmental pollution, and other serious accidents. Therefore, petroleum pipelines need to be checked by staff. However, petroleum pipelines are buried deep in the soil, making it difficult to quickly and accurately locate the leakage point, which may further exacerbate the situation and cause serious consequences. SUMMARY
[0004] Therefore, it is necessary to provide an in-service pipeline ultrasonic testing device to solve the problem of accurately detecting buried petroleum pipelines.
[0005] The utility model provides a kind of in-service pipeline ultrasonic testing device, comprising:
[0006] A shell is used to be sleeved on the in-service pipeline, the shell includes an upper shell and a lower shell, and the side parts of the upper shell and the lower shell are hingedly connected to each other to form a clamping space.
[0007] A permanent magnet assembly includes a plurality of permanent magnet units, each of which is arranged in the upper shell and the lower shell to form a ring-shaped magnetic field in the clamping space.
[0008] A variable magnetic assembly is arranged in the clamping space, and the variable magnetic assembly includes a ferromagnetic sleeve for sleeving on the in-service pipeline and an electromagnetic unit. The electromagnetic unit includes an excitation coil arranged around the ferromagnetic sleeve. The inner side and the outer side of the excitation coil are respectively in abutment with the ferromagnetic sleeve and the inner side of the shell. The excitation coil can drive the ferromagnetic sleeve to vibrate and form ultrasonic waves for detecting the in-service pipeline.
[0009] Further, the variable magnetic assembly further includes a clamping body and a wire outlet socket arranged on the clamping body. The two ends of the clamping body are respectively clamped in the upper shell and the lower shell. The two ends of the ferromagnetic sleeve are connected to the clamping body, and the two ends of the excitation coil are respectively electrically connected to the wire outlet socket to supply varying current to the excitation coil.
[0010] Further, the first connecting assembly is arranged on the other side of the hinge between the upper shell and the lower shell, the first connecting assembly comprises an upper protruding part integrally connected with the upper shell and a lower protruding part integrally connected with the lower shell, and the upper protruding part and the lower protruding part are connected through bolts.
[0011] Further, the lower protruding part is provided with an electrical connector, one end of the electrical connector is electrically connected with the wire socket, and the other end of the electrical connector is electrically connected with the outside.
[0012] Further, the second connecting assembly comprises two detachable clamp rings, the clamp rings are arranged along the axial direction of the shell and coaxially arranged with the clamping space, and the clamp rings are arranged around the outer portions of the upper shell and the lower shell to reinforce the connection between the upper shell and the lower shell.
[0013] Further, the waterproof rubber ring is arranged between the upper shell and the lower shell, and the two sides of the waterproof rubber ring are respectively abutted with the end faces of the upper shell and the lower shell.
[0014] Further, the permanent magnet unit comprises grooves arranged on the inner sides of the upper shell and the lower shell and permanent magnets, and the plurality of permanent magnets are respectively embedded in the plurality of grooves.
[0015] Further, the thickness of the permanent magnet is not greater than the depth of the groove.
[0016] Further, the plurality of grooves are arranged equidistantly around the inner contour lines of the upper shell and the lower shell to form an annular magnetic field.
[0017] Compared with the prior art, the utility model has the beneficial effects that:
[0018] The utility model discloses a kind of in-service pipeline ultrasonic testing device, is provided with permanent magnet assembly and variable magnetic component, permanent magnet assembly includes permanent magnet unit, the plurality of permanent magnet unit is respectively arranged in upper shell and lower shell, the plurality of permanent magnet unit plays a role, and the magnetic field formed by each other is comprehensively acted in clamping space, and permanent annular magnetic field is formed.Variable magnetic component is arranged in clamping space, and variable magnetic component includes ferromagnetic sleeve for being set on in-service pipeline and electromagnetic unit, the two ends of the ferromagnetic sleeve are annularly butted, and fixed in-service pipeline.The electromagnetic unit includes excitation coil being arranged around the ferromagnetic sleeve, and the inner side and the outer side of the excitation coil are respectively abutted with the inner side of the ferromagnetic sleeve and the inner side of the shell.With the current change of excitation coil, the ferromagnetic sleeve under the action of permanent magnetic field is simultaneously subjected to the action of variable magnetic field, and the ferromagnetic sleeve can vibrate in-service pipeline, and produce ultrasonic wave for detecting in-service pipeline. BRIEF DESCRIPTION OF DRAWINGS
[0019] The accompanying drawings, which are included to provide a further understanding of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and together with the description serve to explain the principles of the present application. In the drawings:
[0020] Figure 1 Structure diagram of the whole utility model Figure 1 ;
[0021] Figure 2 Structure diagram of the whole utility model Figure 2 ;
[0022] Figure 3 Structure diagram of the whole utility model
[0023] Figure 4 Structure diagram of the whole utility model
[0024] Figure 5 Structure diagram of the whole utility model
[0025] Figure 6 Structure diagram of the whole utility model
[0026] In the drawings, 100-outer shell, 110-upper shell, 120-lower shell, 130-clamping space, 140-waterproof rubber ring;
[0027] 200-permanent magnet assembly, 210-permanent magnet unit, 211-groove, 212-permanent magnet;
[0028] 300-variable magnetic assembly, 310-ferromagnetic sleeve, 320-electromagnetic unit, 321-excitation coil, 330-clamping body, 340-wiring socket;
[0029] 400-first connecting assembly, 410-upper protruding part, 420-lower protruding part, 421-electric joint;
[0030] 500-second connecting assembly, 510-clamp ring. DETAILED DESCRIPTION
[0031] The preferred embodiments of the present application will be described in detail below with reference to the drawings, wherein the drawings constitute a part of this application and are used together with the embodiments of the present application to explain the principles of the present application, but are not used to limit the scope of the present application.
[0032] The in-service pipeline ultrasonic detection device of the embodiment relates to the technical field of petroleum pipeline detection, can be directly installed on the in-service petroleum pipeline, directly generates ultrasonic waves on the petroleum pipeline through the interaction of the permanent magnet 212 and the coil, pushes the detection equipment along the petroleum pipeline for detection, and can perceive the leakage point of the petroleum pipeline.
[0033] Please refer to Figures 1 to 6 The in-service pipeline ultrasonic detection device of the embodiment comprises a shell 100, a permanent magnet assembly 200 and a variable magnet assembly 300. The shell 100 is used for wrapping the in-service pipeline. The permanent magnet assembly 200 and the variable magnet assembly 300 are arranged between the shell 100 and the in-service pipeline. The permanent magnet assembly 200 can form a magnetic field around the in-service pipeline. The variable magnet assembly 300 acts on the permanent magnetic field and the in-service pipeline by using the magnetic field generated by the variable current, drives the in-service pipeline to form ultrasonic waves on the corresponding point and propagate along the in-service pipeline.
[0034] The shell 100 for being sleeved on the in-service pipeline comprises an upper shell 110 and a lower shell 120. The side portions of the upper shell 110 and the lower shell 120 are hingedly connected to each other. The upper shell 110 can rotate relative to the other side of the hinged connection of the lower shell 120, so as to be combined into an integrated whole and form a clamping space 130 between the upper shell 110 and the lower shell 120. The in-service pipeline is installed in the clamping space 130.
[0035] The permanent magnet assembly 200 comprises permanent magnet units 210. The permanent magnet units 210 are arranged in the upper shell 110 and the lower shell 120 respectively. The magnetic fields formed by the permanent magnet units 210 act on the clamping space 130 and form a permanent annular magnetic field.
[0036] The variable magnet assembly 300 is arranged in the clamping space 130. The variable magnet assembly 300 comprises a ferromagnetic sleeve 310 for being sleeved on the in-service pipeline and an electromagnetic unit 320. The two ends of the ferromagnetic sleeve 310 are butted to form an annular shape and are fixed on the in-service pipeline. The electromagnetic unit 320 comprises an excitation coil 321 arranged around the ferromagnetic sleeve 310. The inner side and the outer side of the excitation coil 321 abut against the ferromagnetic sleeve 310 and the inner side of the shell 100 respectively. With the change of the current of the excitation coil 321, the ferromagnetic sleeve 310 affected by the permanent magnetic field is simultaneously affected by the variable magnetic field. The ferromagnetic sleeve 310 can vibrate the in-service pipeline and generate ultrasonic waves for detecting the in-service pipeline.
[0037] In some embodiments, please refer to Figure 1 and 2The variable magnetic assembly 300 further comprises a clamping body 330 and a wire socket 340, two ends of the clamping body 330 being clamped in the upper shell 110 and the lower shell 120 respectively. The upper shell 110 and the lower shell 120 can connect and fix the clamping body 330, two ends of the ferromagnetic sleeve 310 being connected with the clamping body 330, thereby achieving connection with the upper shell 110 and the lower shell 120 and completing fixation of the ferromagnetic sleeve 310. The wire socket 340 is arranged on the clamping body 330, two ends of the excitation coil 321 being electrically connected with the wire socket 340, and an external power supply can deliver varying current to the excitation coil 321 through the wire socket 340.
[0038] As a further implementation, the clamping body 330 is specifically a solid plate, and a PCB plate is arranged on the solid plate. The wire socket 340 is specifically a goat horn socket, and two ends of the excitation coil 321 are connected with the goat horn socket, so that the excitation coil 321 forms a current loop, thereby forming a varying magnetic field.
[0039] In some embodiments, referring to Figure 1 and Figure 2 The ultrasonic detection device further comprises a first connecting assembly 400 arranged on the other side of the hinge of the upper shell 110 and the lower shell 120, and the upper shell 110 rotates relative to the lower shell 120 along the hinge. The first connecting assembly 400 comprises an upper protruding part 410 and a lower protruding part 420, the upper protruding part 410 being integrally connected with the upper shell 110, and the lower protruding part 420 being integrally connected with the lower shell 120, the upper protruding part 410 and the lower protruding part 420 being connected through bolts, thereby completing fixation of the upper shell 110 and the lower shell 120 and maintaining integrity of the clamping space 130.
[0040] The first connecting assembly 400 comprises the upper protruding part 410 integrally connected with the upper shell 110 and the lower protruding part 420 integrally connected with the lower shell 120, and the upper protruding part 410 and the lower protruding part 420 are connected through bolts, so that locking connection and unlocking release of the upper shell 110 and the lower shell 120 can be controlled as needed.
[0041] As a further implementation, the lower protruding part 420 is provided with an electrical connector 421, one end of the electrical connector 421 being connected with the PCB plate, and the other end of the electrical connector 421 being capable of being quickly connected with an external power supply to provide electrical energy to the excitation coil 321.
[0042] In some embodiments, referring to Figure 2 and Figure 3The ultrasonic detection device further comprises a second connecting assembly 500, the second connecting assembly 500 comprises two detachable hoop rings 510, the hoop rings 510 are arranged along the axial direction of the shell 100 and coaxially arranged with the clamping space 130, the hoop rings 510 are arranged outside the upper shell 110 and the lower shell 120, the side of the hoop ring 510 is in abutment with the end of the shell 100, the inner side of the hoop ring 510 is in abutment with the in-service pipeline, and the hoop ring 510 can further connect and fix the upper shell 110 and the lower shell 120, so that the upper shell 110 and the lower shell 120 are prevented from being separated.
[0043] In some embodiments, referring to Figure 1 and Figure 5 , the waterproof rubber ring 140 is arranged between the upper shell 110 and the lower shell 120, the two sides of the waterproof rubber ring 140 are in abutment with the end faces of the upper shell 110 and the lower shell 120 respectively, the waterproof rubber ring 140 comprises an arc-shaped part and a connecting part, the two sides of the arc-shaped part are in abutment with the in-service pipeline and the hoop ring 510 respectively, the arc-shaped part can seal the gap between the in-service pipeline and the hoop ring 510, and external mud water is prevented from invading into the clamping space 130. The two sides of the connecting part are in abutment with the upper protruding part 410 and the lower protruding part 420 respectively, the connecting part can seal the gap between the upper protruding part 410 and the lower protruding part 420, and external mud water is prevented from invading into the clamping space 130.
[0044] In some embodiments, referring to Figure 6 , the permanent magnet unit 210 comprises a groove 211 and permanent magnets 212, the groove 211 is arranged on the inner side of the upper shell 110 and the lower shell 120, and the plurality of permanent magnets 212 are respectively embedded in the plurality of grooves 211. The permanent magnets 212 and the grooves 211 are arranged one by one, the plurality of permanent magnets 212 jointly act on the in-service pipeline, and form a ring-shaped permanent magnetic field.
[0045] The two permanent magnets 212 are arranged in groups and respectively arranged on the upper and lower shells 120. The permanent magnet 212 is a rectangular magnet, the N-pole and the S-pole of the two magnets are reversely placed in one groove 211 and fixed in the groove 211. All the magnets are arranged in the same direction in the groove, so as to form a magnetic induction line which cuts the clamping space 130 in the circumferential direction. The magnet is a saturated magnetization ferrum boron magnet. There are multiple groups of magnets, the larger the pipeline is, the more the number of magnets is, and the magnets are arranged at a certain angle on the inner side of the shell 100.
[0046] The thickness of the permanent magnet 212 is not greater than the depth of the groove 211, the inner side of the permanent magnet 212 and the shell 100 is provided with a gap, the permanent magnet 212 and the ferromagnetic sleeve 310 and the excitation coil 321 are arranged at intervals, the permanent magnet 212 cannot interfere with the excitation coil 321, and the shape of the excitation coil 321 can be relatively maintained.
[0047] In order to obtain a more accurate annular magnetic field, a plurality of grooves 211 are arranged equidistantly around the inner contour lines of the upper shell 110 and the lower shell 120, the force and direction of each permanent magnet 212 installed in the groove 211 acting on the ferromagnetic sleeve 310 have the same rule, and an accurate annular magnetic field can be obtained, so that the force acting on the ferromagnetic sleeve 310 is more uniform.
[0048] Workflow: First, apply glue to the preset area of the in-service pipeline, and wrap the ferromagnetic sleeve 310 around the in-service pipeline and bond with the glue. Then, wrap the excitation coil 321 around the ferromagnetic sleeve 310 and press it tightly on the ferromagnetic sleeve 310. Next, the upper shell 110 and the lower shell 120 provided with the permanent magnet 212 are clamped on the ferromagnetic sleeve 310, the two ends of the excitation coil 321 are connected with the wire outlet 340 of the clamping body 330, and the clamping body 330 is clamped and clamped between the upper shell 110 and the lower shell 120. Finally, the changing current is delivered to the excitation coil 321 through the electrical connector 421, promoting the vibration of the ferromagnetic sleeve 310, and emitting ultrasonic waves.
[0049] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the present application.
Claims
1. An ultrasonic detection device for in-service pipelines, characterized in that: include: The housing is used to be sleeved on the in-service pipeline, and the housing includes an upper shell and a lower shell. The sides of the upper shell and the lower shell are hinged to each other to form a clamping space; A permanent magnet assembly, comprising permanent magnet units, wherein a plurality of the permanent magnet units are respectively disposed in the upper shell and the lower shell to form an annular magnetic field in the clamping space; A variable magnetic component is arranged in the clamping space, and the variable magnetic component includes a ferromagnetic sleeve for being sleeved on the in-service pipeline and an electromagnetic unit. The electromagnetic unit includes an excitation coil enclosed and arranged on the ferromagnetic sleeve, and the inner and outer sides of the excitation coil are respectively abutted against the ferromagnetic sleeve and the inner side of the outer shell. The excitation coil can drive the ferromagnetic sleeve to vibrate, thereby generating ultrasonic waves for detecting the in-service pipeline.
2. The ultrasonic detection device for in-service pipelines according to claim 1, characterized in that: The variable magnetic component also includes a card body and a cable socket arranged on the card body, and the two ends of the card body are respectively carded in the upper shell and the lower shell; the two ends of the ferromagnetic sleeve are connected to the card body, and the two ends of the excitation coil are respectively electrically connected to the cable socket to supply a variable current to the excitation coil.
3. The ultrasonic detection device for in-service pipelines according to claim 2, characterized in that: It also includes a first connecting component, which is arranged on the other side of the hinge between the upper shell and the lower shell. The first connecting component includes an upper protrusion integrally connected to the upper shell and a lower protrusion integrally connected to the lower shell, and the upper protrusion and the lower protrusion are connected by bolts.
4. The ultrasonic detection device for in-service pipelines according to claim 3, characterized in that: An electrical connector is provided on the lower protrusion, one end of the electrical connector is electrically connected to the cable socket, and the other end of the electrical connector is electrically connected to the outside world.
5. The ultrasonic detection device for in-service pipelines according to claim 1 or 3, characterized in that: It also includes a second connecting component, which includes two detachable clamp rings. The clamp rings are arranged along the axial direction of the outer shell and coaxially with the clamping space. The clamp rings are surrounded and arranged on the outside of the upper shell and the lower shell to strengthen the connection between the upper shell and the lower shell.
6. The ultrasonic detection device for in-service pipelines according to claim 5, characterized in that: A waterproof rubber ring is provided between the upper shell and the lower shell, and two sides of the waterproof rubber ring are respectively in contact with the end faces of the upper shell and the lower shell.
7. The ultrasonic detection device for in-service pipelines according to claim 1, characterized in that: The permanent magnet unit includes grooves opened on the inner sides of the upper shell and the lower shell and permanent magnets, and a plurality of permanent magnets are respectively embedded in the plurality of grooves.
8. The ultrasonic detection device for in-service pipelines according to claim 7, characterized in that: The thickness of the permanent magnet is no greater than the depth of the groove.
9. The ultrasonic detection device for in-service pipelines according to claim 8, characterized in that: The plurality of grooves are equidistantly arranged around the inner contour lines of the upper shell and the lower shell to form an annular magnetic field.