阅读说明：本技术 一种基于bim的管道检测方法及其管道结构 (BIM-based pipeline detection method and pipeline structure thereof ) 是由 陈沁� 钱玉龙 于 2020-11-25 设计创作，主要内容包括：本发明涉及一种基于BIM的管道检测方法及其管道结构,管道结构包括管体,所述管体内设有沿其长度方向设有光纤,所述光纤伸出管体两端,所述光纤伸出管体的一端连接激光器、另一端连接处理器。当管体未破损时,处理器接收到激光器所发出的光波信号为正常波形；当管体出现破损时,会对光纤造成挤压,处理器接收到光波信号发生扰动,处理器根据扰动即可判断得到管体发生了破损,从而实现对管体是否破损的实时监控。(The invention relates to a BIM-based pipeline detection method and a pipeline structure thereof. When the tube body is not damaged, the processor receives the light wave signal sent by the laser to be a normal waveform; when the body appears damaged, can cause the extrusion to the optic fibre, the treater receives the light wave signal and takes place the disturbance, and the treater can judge according to the disturbance that to obtain the body and taken place the damage to the realization is to the damaged real time monitoring of body.)

1. The utility model provides a pipeline structure, its characterized in that, includes the body, be equipped with in the body along its length direction and be equipped with optic fibre (2), optic fibre (2) stretch out the body both ends, optic fibre (2) stretch out the one end of body and connect laser instrument (3), other end connection treater (4).

2. The BIM-based piping structure according to claim 1, wherein the optical fibers (2) are circumferentially arrayed on the side wall of the pipe body.

3. The pipeline structure according to claim 2, characterized in that the pipe body comprises a plurality of sub-pipe bodies (1), the plurality of sub-pipe bodies (1) are axially connected end to end, a groove (5) is formed in the inner side wall of each sub-pipe body (1) along the length direction of the sub-pipe body, the optical fibers (2) are arranged in the groove (5), and a covering layer (6) is filled in the groove (5).

4. A ducting structure as claimed in claim 3 wherein the optical fibres (2) between adjacent sub-tubes (1) are connected to optical fibre (2) connectors.

5. The piping structure according to claim 4, wherein the optical fiber (2) connector comprises a male connector (9) and a female connector (8), the male connector (9) and the female connector (8) are respectively located at both ends of the optical fiber (2), an end surface of the female connector (8) does not exceed an end surface of the daughter pipe body (1), an end surface of the male connector (9) exceeds an end surface of the daughter pipe body (1), and when the male connector (9) is plugged with the female connector (8), a portion of the male connector (9) exceeding the end surface of the daughter pipe body (1) is located in the female connector (8).

6. A pipeline structure as claimed in claim 4, characterized in that the outer side walls of both ends of the daughter pipe body (1) are provided with marks (7).

7. A BIM-based pipeline detection method is characterized by comprising the following steps:

the processor (4) receives the light wave signal sent by the laser (3);

when a disturbance signal appears in the light wave signal, positioning the disturbance signal, and calculating to obtain a disturbance position;

and marking the disturbance position in a pre-constructed BIM pipeline model.

8. The BIM-based pipe inspection method of claim 7, further comprising:

when the disturbance position occurs, outputting the geographical position of the damaged pipeline of the pipeline corresponding to the disturbance position;

calculating to obtain an inspection well position closest to the disturbance position according to the disturbance position and the inspection well position in the BIM pipeline model, taking the inspection well position closest to the disturbance position as a maintenance inspection well, and outputting the maintenance inspection well geographical position of the maintenance inspection well;

outputting the pipe diameter of the disturbance position corresponding to the pipe;

and outputting the maintenance distance between the disturbance position and the maintenance inspection well.

Technical Field

The invention relates to the technical field of pipeline detection, in particular to a BIM-based pipeline detection method and a pipeline structure thereof.

Background

The traditional pipeline detection method at present comprises the following steps: passive detection, area-mounted meter, listening detection, etc. The passive detection is a method for solving the problem of water leakage on the ground caused by the pipeline problem, so that the problem cannot be found in time, and the repair cost is high; the listening test method is the most widely and effectively applied method at home and abroad at present.

The above prior art schemes are all detection performed after the pipeline is damaged, and only after the pipeline is abnormal and found, the pipeline detection is started, so that hysteresis and passivity exist.

Disclosure of Invention

The invention aims to provide a pipeline structure which has the characteristic of monitoring the damage condition of a pipeline in real time.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a pipeline structure, includes the body, be equipped with in the body along its length direction and be equipped with optic fibre, optic fibre stretches out the body both ends, the one end that optic fibre stretches out the body is connected the laser instrument, the other end connection treater.

By adopting the technical scheme, when the tube body is not damaged, the processor receives the light wave signal sent by the laser to be in a normal waveform; when the body appears damaged, can cause the extrusion to the optic fibre, the treater receives the light wave signal and takes place the disturbance, and the treater can judge according to the disturbance that to obtain the body and taken place the damage to the realization is to the damaged real time monitoring of body.

The present invention in a preferred example may be further configured to: the optical fibers are circumferentially arrayed on the side wall of the tube body.

Through adopting above-mentioned technical scheme, because the inner wall of body is the lateral wall of a circumference, do not set up optic fibre for avoiding the local damage of pipeline and just damaged position, consequently locate the pipeline lateral wall with optic fibre in circumference.

The present invention in a preferred example may be further configured to: the optical fiber cable is characterized in that the cable body comprises a plurality of sub-cable bodies, the sub-cable bodies are axially connected end to end, a groove is formed in the inner side wall of each sub-cable body along the length direction of the sub-cable body, the optical fiber is arranged in the groove, and a covering layer is filled in the groove.

Through adopting above-mentioned technical scheme, optic fibre passes through the recess and buries underground along the length direction of subpipe body, and the overburden is protected optic fibre, avoids optic fibre to receive the sewage corrosion or the filth extrusion in the subpipe body.

The present invention in a preferred example may be further configured to: and the optical fiber between two adjacent sub-pipe bodies is connected with an optical fiber connector.

Through adopting above-mentioned technical scheme, realize signal transmission through the pipeline connector between the optic fibre of sub-pipe body.

The present invention in a preferred example may be further configured to: the optical fiber connector comprises a male connector and a female connector, the male connector and the female connector are respectively located at two ends of the optical fiber, the end face of the female connector does not exceed the end face of the sub-tube body, the end face of the male connector exceeds the end face of the sub-tube body, and when the male connector is connected with the female connector in an inserting mode, the part, exceeding the end face of the sub-tube body, of the male connector is located in the female connector.

By adopting the technical scheme, after the two sub-pipes are spliced, the male connector is inserted into the female connector, and the outer female connector cannot be pushed due to overlong male connector.

The present invention in a preferred example may be further configured to: the outer side walls of the two ends of the sub-pipe body are provided with mark parts.

By adopting the technical scheme, when the sub-pipe bodies are connected with each other, the marking parts at the end parts of the two sub-pipe bodies need to be aligned with each other, so that the optical fibers in the two sub-pipe bodies are aligned on a straight line, and the optical fiber connectors are connected conveniently.

The invention also aims to provide a BIM-based pipeline detection method which has the characteristic of positioning the damaged position of the pipeline in real time.

The second aim of the invention is realized by the following technical scheme:

a BIM-based pipeline detection method comprises the following steps: the processor receives a light wave signal sent by the laser; when a disturbance signal appears in the light wave signal, positioning the disturbance signal, and calculating to obtain a disturbance position; and marking the disturbance position in a pre-constructed BIM pipeline model.

By adopting the technical scheme, after the disturbance position is positioned and marked in the BIM pipeline model according to the disturbance signal in the light wave signal, a user can visually observe the position of the pipeline, and the monitoring of the damaged position of the pipeline is real-time.

The present invention in a preferred example may be further configured to: the method further comprises the following steps: when the disturbance position occurs, outputting the geographical position of the damaged pipeline of the pipeline corresponding to the disturbance position; calculating to obtain an inspection well position closest to the disturbance position according to the disturbance position and the inspection well position in the BIM pipeline model, taking the inspection well position closest to the disturbance position as a maintenance inspection well, and outputting the maintenance inspection well geographical position of the maintenance inspection well; outputting the pipe diameter of the disturbance position corresponding to the pipe; and outputting the maintenance distance between the disturbance position and the maintenance inspection well.

By adopting the technical scheme, the geographical position of the inspection well is output, so that maintenance personnel can conveniently perform maintenance operation on the nearest inspection well away from the geographical position of the damaged pipeline, and the work flow required by the maintenance personnel for automatically judging the nearest inspection well is reduced. The diameter and the maintenance distance of the pipeline are output, so that maintenance personnel can prepare maintenance materials and formulate a maintenance scheme conveniently.

In summary, the invention includes at least one of the following beneficial technical effects:

1. when the body appears damaged, can cause the extrusion to the optic fibre, the treater receives the light wave signal and takes place the disturbance, and the treater can judge according to the disturbance that to obtain the body and taken place the damage to the realization is to the damaged real time monitoring of body.

2. After the disturbance position is positioned according to the disturbance signal in the light wave signal and marked in the BIM pipeline model, a user can visually observe the position of the pipeline;

3. the geographical position of the inspection well is output, so that maintenance personnel can conveniently maintain the nearest inspection well away from the geographical position of the damaged pipeline, and the work flow required by the maintenance personnel to judge the nearest inspection well by themselves is reduced. The diameter and the maintenance distance of the pipeline are output, so that maintenance personnel can prepare maintenance materials and formulate a maintenance scheme conveniently;

4. the diameter and the maintenance distance of the pipeline are output, so that maintenance personnel can prepare maintenance materials and formulate a maintenance scheme conveniently.

Drawings

FIG. 1 is a schematic diagram of a piping structure according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a piping structure according to an embodiment of the present application;

fig. 3 is a sectional view of a pipe structure according to an embodiment of the present application.

In the figure, 1, a sub-tube body; 2. an optical fiber; 3. a laser; 4. a processor; 5. a groove; 6. a cover layer; 7. a marking section; 8. a female joint; 9. and a male connector.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

The embodiment of the application provides a pipeline structure, as shown in fig. 1, including body, laser instrument 3 and treater 4, the body is formed by the concatenation of a plurality of subbodies 1 head and the tail, in the wall thickness position of body, wears to be equipped with optic fibre 2 along the length direction of body, and laser instrument 3 and treater 4 are connected respectively to optic fibre 2 both ends. The laser 3 can emit light wave signals, which are sent to the processor 4 through the optical fiber 2. The processor 4 comprises in particular an electrical detector and a computer. The computer is a computer or other equipment with the same function, and the calculator is responsible for processing the optical wave signals received by the optical detector. When the tube body is not damaged, broken, bent or the like, the optical wave signal received by the processor 4 and emitted by the laser 3 is a normal waveform signal, such as a regular sine wave. When the light wave signal received by the processor 4 is disturbed, namely, a pulse appears in the light wave signal, the position on the optical fiber 2 where the disturbance occurs can be calculated according to the optical fiber 2 intrusion positioning technology.

Referring to fig. 2 and 3, a groove 5 is formed in the inner wall of the sub pipe body 1 along the length direction of the pipeline, and both ends of the groove 5 penetrate both ends of the sub pipe body 1. The optical fiber 2 is arranged in the groove 5 along the length direction of the groove 5, and the optical fiber 2 is isolated from sewage and dirt flowing in the sub-pipe body 1 through the covering layer 6. The optical fibers 2 of the sub-pipe body 1 are connected through optical fiber 2 connectors, and in some embodiments, the optical fiber 2 connectors include a male connector 9 and a female connector 8, and the male connector 9 and the female connector 8 are respectively connected to two ends of the optical fibers 2. In some embodiments, the sub-pipe body 1 is formed by pouring cement, and the corresponding groove 5 can be formed by setting a protruding structure corresponding to the groove 5 on a formwork for pouring cement. After the optical fibers 2 are arranged in the grooves 5, and under the condition that the male connector 9 and the female connector 8 are respectively arranged at two ends of the optical fibers 2, the covering layer 6 is formed in a cement pouring mode, namely the covering layer 6 is formed by cement pouring. In the pouring process, it should be noted that the end surface of the female joint 8 does not exceed the end surface of the male pipe body 1, the end surface of the male joint 9 exceeds the end surface of the female pipe body 1, and when the male joint 9 is plugged into the female joint 8, the part of the male joint 9 exceeding the end surface of the female pipe body 1 is inserted into the female joint 8, so that the male joint 9 is prevented from being damaged by collision with the female joint 8 after the female pipe body 1 is butted.

Referring to fig. 2, in order to align the male connector 9 with the female connector 8, the outer sidewalls of both ends of the sub-pipe body 1 are provided with marks 7. In some embodiments, the marking portion 7 may be a bump, and in some examples, the marking portion 7 may also be a pattern having a marking function, such as a colored line. In order to avoid the situation that the sub-tube 1 is partially damaged and does not trigger the disturbance of the optical wave signal, the optical fibers 2 are arrayed in the circumferential direction in the sub-tube 1, in this application, 3 optical fibers 2 are arrayed in the circumferential direction in the sub-tube 1, and the corresponding arc angle between the adjacent optical fibers 2 is 120 °.

The embodiment of the application also provides a BIM-based pipeline detection method, which comprises the following steps: the processor 4 receives the light wave signal sent by the laser 3; when a disturbance signal appears in the light wave signal, positioning the disturbance signal, and calculating to obtain a disturbance position; and marking the disturbance position in a pre-constructed BIM pipeline model.

The disturbing signal is a pulse triggered by the optical wave signal when the sub-tube 1 is damaged, bent or broken, and the position of the optical fiber 2 where the signal pulse occurs can be calculated according to the optical fiber 2 intrusion positioning technology. In this application, according to the part that optic fibre 2 is located the body to and the disturbance position in optic fibre 2, can judge the position of disturbance position in the body, thereby in the BIM pipeline model of building up in advance, can mark the disturbance position, the disturbance position that is marked is exactly the position that the condition such as pipeline takes place to damage, buckle or fracture. The BIM pipeline model is constructed based on actual pipeline diameter, length and geographical location.

The method further comprises the following steps: when the disturbance position occurs, outputting the geographical position of the damaged pipeline of the pipeline corresponding to the disturbance position; calculating to obtain an inspection well position closest to the disturbance position according to the disturbance position and the inspection well position in the BIM pipeline model, taking the inspection well position closest to the disturbance position as a maintenance inspection well, and outputting the maintenance inspection well geographical position of the maintenance inspection well; outputting the pipe diameter of the disturbance position corresponding to the pipe; and outputting the maintenance distance between the disturbance position and the maintenance inspection well.

The BIM pipeline model is constructed according to the actual geographic position of the pipeline, so that the geographic position of the damaged pipeline can be judged through the disturbance position, and the positioning of the geographic position of the damaged pipeline is the position of the pipeline under the conditions of breakage, bending or fracture and the like. In the BIM pipeline model, inspection wells are also constructed, and the corresponding inspection wells also have geographic positions. And calculating the position of the inspection well closest to the disturbance position through a BIM model construction system, and then taking the position of the inspection well closest to the disturbance position as a maintenance inspection well. The maintenance inspection well can be used as a priority inspection well for a worker to maintain a pipeline, and the computer outputs the geographical position of the maintenance inspection well so that the worker can conveniently reach the position. The maintenance distance between the disturbance position and the maintenance inspection well can be obtained by calculating the length ratio of the BIM model to the actual pipeline. The diameter and the maintenance distance of the pipeline are output, and the work flow required by a maintenance worker for judging the nearest inspection well by himself is reduced. The diameter and the maintenance distance of the pipeline are output, so that maintenance personnel can prepare maintenance materials and formulate a maintenance scheme conveniently.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship, unless otherwise specified.