CN221123329U

CN221123329U - Pipeline deformation monitoring system

Info

Publication number: CN221123329U
Application number: CN202322422455.XU
Authority: CN
Inventors: 刘长柏; 杨正波; 滕伟广; 许树栋; 王永生; 王正文; 朱敏; 李敏; 刘智奇; 杨皓奇
Original assignee: China National Building Materials Innovation and Technology Research Institute Co Ltd
Current assignee: China National Building Materials Innovation and Technology Research Institute Co Ltd
Filing date: 2023-09-06
Publication date: 2024-06-11
Anticipated expiration: 2033-09-06

Abstract

The utility model provides a pipeline deformation monitoring system. The pipeline deformation monitoring system comprises a strain measuring device; the strain measurement device comprises at least one sensor group, and the sensor group is arranged on the outer wall of the pipeline; the sensor set is for measuring at least one of axial strain, radial strain, and circumferential strain of the pipe for monitoring deformation of the pipe. This pipeline deformation monitoring system is through setting up the sensor group, can measure at least one of axial strain, radial strain and the circumference strain of pipeline, can realize the monitoring to pipeline deformation, can promote the security of production.

Description

Pipeline deformation monitoring system

Technical Field

The utility model relates to the technical field of pipeline deformation monitoring, in particular to a pipeline deformation monitoring system.

Background

The pipeline works for a long time under high temperature and high pressure, creep deformation (namely plastic deformation) can occur to the pipeline, so that the pipeline can expand and deform, indexes such as strength, hardness, impact resistance and the like of the pipeline are reduced, and brittleness of the pipeline material is increased. If the working temperature or pressure of the pipeline exceeds the design value, or due to the water hammer action of the system, pipe bursting or pipe cracking faults can occur at the weak part of the mechanical property of the pipeline, so that the normal production of the production line is influenced. Therefore, it is important to monitor the creep expansion deformation of the pipe. At present, no monitoring means is provided for creep expansion deformation of the pipeline, and the deformation condition of the pipeline under the heating and compression cannot be reflected in time.

The foregoing is not necessarily a prior art, and falls within the technical scope of the inventors.

Disclosure of utility model

The utility model aims to provide a pipeline deformation monitoring system. According to the pipeline deformation monitoring system, the sensor group is arranged, so that at least one of axial strain, radial strain and circumferential strain of a pipeline can be measured, and the problem that the deformation of the pipeline is not monitored in the prior art can be solved.

The technical scheme of the embodiment of the utility model is as follows:

A pipe deformation monitoring system comprising a strain measurement device; the strain measurement device comprises at least one sensor group, and the sensor group is arranged on the outer wall of the pipeline; the sensor set is for measuring at least one of axial strain, radial strain, and circumferential strain of the pipe for monitoring deformation of the pipe.

In some exemplary embodiments, the sensor group includes a first component; the first assembly includes:

the first fixing seat is fixed on the outer wall of the pipeline;

The second fixing seat is fixed on the outer wall of the pipeline and is axially spaced from the first fixing seat along the pipeline; and

A first strain sensor mounted to the first mount and the second mount; the first strain sensor extends along the axial direction of the pipeline;

wherein the first strain sensor is for measuring an axial strain of the pipe.

In some exemplary embodiments, the first fixing base includes a first mating surface and a first mounting surface that are disposed opposite to each other, and the first mating surface is used for being attached to an outer wall of the pipeline;

The second fixing seat comprises a second matching surface and a second installation surface which are oppositely arranged, and the second matching surface is used for being attached to the outer wall of the pipeline;

wherein the first mounting surface is coplanar with the second mounting surface and is commonly used to mount the first strain sensor.

In some exemplary embodiments, the first fixing seat is provided with more than one internal threaded hole; more than one of the internally threaded holes is used for mounting the first strain sensor.

In some exemplary embodiments, the first component further comprises:

The first clamp is arranged on the outer wall of the pipeline, and the first fixing seat is fixed to the first clamp; and

And the second clamp is arranged on the outer wall of the pipeline, and the second fixing seat is fixed to the second clamp.

In some exemplary embodiments, the sensor set further comprises a second component; the second assembly includes:

the third fixing seat is fixed on the outer wall of the pipeline;

The fourth fixing seat is fixed on the outer wall of the pipeline and is spaced from the third fixing seat along the circumferential direction of the pipeline; and

A second strain sensor mounted to the third mount and the fourth mount; the second strain sensor extends along a circumferential direction of the pipe;

The second strain sensor is used for measuring radial strain and circumferential strain of the pipeline.

In some exemplary embodiments, the pipe deformation monitoring system further comprises a control device and an alarm device;

The control device is electrically connected with the strain measurement device; the control device is arranged to control the alarm device to send out an alarm prompt when the deformation of the pipeline is not smaller than a preset safety threshold.

In some exemplary embodiments, the conduit deformation monitoring system further comprises a protective cover plate secured to the conduit, the protective cover plate covering at least a portion of the sensor group.

In some exemplary embodiments, the pipe deformation monitoring system further comprises a sleeve sleeved outside the pipe, and the sensor group is located in an annular space formed by the pipe and the sleeve.

In some exemplary embodiments, the pipe deformation monitoring system further comprises a thermal insulation layer disposed within the annular space.

Other aspects will become apparent upon reading and understanding the accompanying drawings and detailed description.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and do not limit the utility model.

FIG. 1 is an isometric view of a system for monitoring deformation of a pipe according to an embodiment of the present utility model;

FIG. 2 is a schematic side view of a pipe deformation monitoring system according to an embodiment of the present utility model;

fig. 3 is a schematic side view of a pipe deformation monitoring system according to an embodiment of the present utility model.

Reference numerals:

10-sensor group, 101-first component, 101 a-first fixing seat, 101 b-second fixing seat, 101 c-first strain sensor, 101 d-internal thread hole; 102-a second component, 102 a-a third mount, 102 b-a fourth mount, 102 c-a second strain sensor;

11-pipeline, 12-sleeve pipe, 13-heat preservation.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof.

In one embodiment of the present utility model, as shown in fig. 1 to 3, a pipe deformation monitoring system is provided. The pipe deformation monitoring system includes a strain measurement device. The strain measurement device may comprise at least one sensor group 10, in an embodiment of the utility model at least one representation comprises one or two or more. In an embodiment of the utility model, the strain measuring device comprises a sensor group 10 as an example. The sensor group 10 is mounted to the outer wall of the pipe 11, for example by screwing or welding. In the structure that the strain measurement device includes a plurality of sensor groups 10, a plurality of sensor groups 10 can be arranged along the axis interval of pipeline 11 to realize the monitoring to the multiple spot position of pipeline, can promote the accuracy of deformation monitoring.

The sensor group 10 is used to measure at least one of axial strain, radial strain, and circumferential strain of the pipe 11. By way of example, the sensor group 10 may only measure the axial strain of the pipe 11. By way of example, the sensor group 10 may measure axial strain, radial strain, and circumferential strain of the pipe 11. According to the strain data of the pipeline 11 obtained by measurement of the sensor group 10, the deformation of the pipeline can be obtained, and the real-time monitoring of the deformation of the pipeline 11 can be realized. By way of example, the conduit 11 may be a steam conduit or the like. In the embodiment of the present utility model, the type of fluid specifically transferred in the pipe 11 is not limited.

The embodiment of the utility model provides a pipeline deformation monitoring system, which can measure at least one parameter of axial strain, radial strain and circumferential strain of a pipeline in real time by using a set strain measuring device so as to monitor the deformation of the pipeline in real time, thereby being beneficial to finding out the potential safety hazard in time and improving the production safety.

In some exemplary embodiments, as shown in FIG. 1, a sensor set 10 may include a first component 101. The first assembly 101 may include a first fixing base 101a, a second fixing base 101b, and a first strain sensor 101c. The first fixing base 101a is mounted on the outer wall of the pipeline 11, and the mounting mode can be welding or screwing. The second fixing base 101b is mounted on the outer wall of the pipeline 11, and the mounting mode can be welding or screwing. As shown in fig. 2, there is a space between the first fixing base 101a and the second fixing base 101b along the axial direction of the pipe 11, and the axial direction is the same as the length direction of the pipe 11. As shown in fig. 2, the first strain sensor 101c is mounted to the first and second holders 101a and 101b, and the first strain sensor 101c extends along the axial direction of the pipe 11, and the first strain sensor 101c may be parallel to the central axis of the pipe 11. The first strain sensor 101c is used to measure the axial strain of the pipe 11.

In some exemplary embodiments, the first fixing seat 101a and the second fixing seat 101b may be designed as the same component, so that the universal design of the product can be improved, and the cost of the product can be reduced.

In some exemplary embodiments, the first strain sensor 101c may be a fiber grating sensor, or a mechanical sensor, or a distributed fiber sensor, or the like.

In some example embodiments, leads may be provided at both ends of the first strain sensor 101c to make electrical connection with the component.

In some exemplary embodiments, as shown in fig. 1, the first fixing seat 101a may include a first mating surface and a first mounting surface that are disposed opposite to each other, and, illustratively, the first mating surface and the first mounting surface may be disposed opposite to each other along a radial direction of the pipe 11. The first mating surface is used for laminating with the outer wall of pipeline 11, and the example can be the circular arc face for laminate with the outer wall of pipeline 11 mutually, can increase the area of contact between them, improve the stability of first fixing base 101a installation. The second fixing seat 101b may include a second mating surface and a second mounting surface that are oppositely disposed, where the second mating surface is used to attach to an outer wall of the pipeline 11, and in an example, the second mating surface may be an arc surface so as to attach to the outer wall of the pipeline 11, so that a contact area between the second mating surface and the outer wall of the pipeline 11 may be increased, and stability of mounting of the second fixing seat 101b is improved. Wherein the first mounting surface is coplanar with the second mounting surface and may be commonly used to mount the first strain sensor 101c.

In some exemplary embodiments, as shown in fig. 2, the first fixing seat 101a may be provided with more than one internal threaded hole 101d. More than one internally threaded bore 101d is used to mount a first strain sensor 101c. The first strain sensor 101c can be detachably mounted by using the set internal threaded hole 101d, so that the first strain sensor 101c can be conveniently dismounted or replaced, and the dismounting cost can be reduced.

In some exemplary embodiments, the first assembly 101 may further include a first clip and a second clip. The first clamp is mounted to the outer wall of the pipe 11, and the first fixing seat 101a may be fixed to the first clamp. The second clamp is mounted to the outer wall of the pipe 11, and the second fixing seat 101b may be fixed to the second clamp. The first strain sensor 101c can be quickly mounted by using the first clamp and the second clamp, and the detection efficiency can be improved.

In some exemplary embodiments, as shown in fig. 1-3, the sensor set 10 may further include a second component 102. The second assembly 102 may include a third mount 102a, a fourth mount 102b, and a second strain sensor 102c. The third fixing seat 102a may be mounted on the outer wall of the pipeline 11, and the mounting manner may be screw connection or welding. The fourth fixing base 102b may be mounted on the outer wall of the pipeline 11, and the mounting manner may be screw connection or welding. As shown in fig. 1, there may be a space between the third fixing seat 102a and the fourth fixing seat 102b along the circumferential direction of the pipe 11. As shown in fig. 1, the second strain sensor 102c is mounted to the third and fourth holders 102a and 102b, and the second strain sensor 102c may extend along the circumferential direction of the pipe 11. The second strain sensor 102c is used to measure the radial strain of the pipe 11 and the circumferential strain of the pipe 11.

In some exemplary embodiments, the third fixing seat 102a and the fourth fixing seat 102b may be set to be the same as the first fixing seat 101a, so that the number of parts of the whole system can be reduced, the universality of the product is improved, and the manufacturing cost of the product is reduced.

In some exemplary embodiments, as shown in fig. 2, the third fixing seat 102a may be provided with more than one internal threaded hole 101d. More than one internally threaded bore 101d may be used to mount the second strain sensor 102c. The second strain sensor 102c can be detachably mounted by the internally threaded hole 101d, so that the second strain sensor 102c can be easily removed, replaced, or the like.

In some exemplary embodiments, the pipe deformation monitoring system may further include a protective cover plate secured to the pipe 11, the protective cover plate covering at least a portion of the at least one sensor group 10. For example, a protective cover plate may cover all of the sensor group 10. The protection cover plate can avoid damage to the sensor group 10 caused by other components, and the service life of the whole pipeline pressure monitoring system can be prolonged. By way of example, the protective cover plate may be a plastic cover plate or the like.

In some exemplary embodiments, as shown in fig. 1-3, the pipe deformation monitoring system may further include a sleeve 12 that fits over the outside of the pipe 11. The sensor group 10 may be located in an annular space formed by the pipe 11 and the sleeve 12. By means of the sleeve 12, the pipeline 11 and the sensor group 10 can be protected, and the service life of the product is prolonged.

In some exemplary embodiments, as shown in fig. 1-3, the pipe deformation monitoring system may further include a thermal insulation layer 13 disposed within the annular space. The pipe 11 can be insulated by the insulating layer 13. For example, the material of the heat insulating layer 13 may be foam or rock wool.

In some example embodiments, the pipe deformation monitoring system may further include a control device and an alarm device, the alarm device may be electrically connected with the control device, and the strain measurement device may be electrically connected with the control device. By way of example, the electrical connection may be a cable connection or a radio connection, etc. The alarm device is arranged to give an alarm when the control device judges that the deformation of the pipeline 11 is not less than the preset safety threshold, so that safety precaution can be conveniently carried out, and production safety can be improved. By way of example, the alert reminder may be an audible reminder or a flashing light reminder, etc.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A system for monitoring deformation of a pipe, comprising a strain measurement device; the strain measurement device comprises at least one sensor group, and the sensor group is arranged on the outer wall of the pipeline; the sensor group is used for measuring at least one of axial strain, radial strain and circumferential strain of the pipeline, and is used for monitoring deformation of the pipeline;

The sensor group comprises a first component and a second component, wherein the first component is used for measuring the axial strain of the pipeline, the second component is used for measuring the radial strain and the circumferential strain of the pipeline, and the first component and the second component are installed at different positions of the pipeline.

2. The pipe deformation monitoring system of claim 1, wherein the first assembly comprises:

the first fixing seat is fixed on the outer wall of the pipeline;

wherein the first strain sensor is for measuring an axial strain of the pipe.

3. The system of claim 2, wherein the first mount includes oppositely disposed first mating surfaces for engaging an outer wall of the pipe and a first mounting surface;

4. The pipe deformation monitoring system of claim 3, wherein the first mount has more than one internally threaded bore; more than one of the internally threaded holes is used for mounting the first strain sensor.

5. The pipe deformation monitoring system of claim 2, wherein the first assembly further comprises:

6. The pipe deformation monitoring system of any one of claims 2-5, wherein the second assembly comprises:

the third fixing seat is fixed on the outer wall of the pipeline;

7. The pipe deformation monitoring system of any one of claims 1-5, further comprising a control device and an alarm device;

8. The conduit deformation monitoring system of any one of claims 1 to 5, further comprising a protective cover plate secured to the conduit, the protective cover plate covering at least a portion of the sensor group.

9. The system of any one of claims 1 to 5, further comprising a sleeve sleeved outside the pipe, and the sensor set is located in an annular space formed by the pipe and the sleeve.

10. The conduit deformation monitoring system of claim 9, further comprising a thermal insulation layer disposed within the annular space.