CN106949382B - Device for detecting liquid leakage of pipeline and application method thereof - Google Patents
Device for detecting liquid leakage of pipeline and application method thereof Download PDFInfo
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- CN106949382B CN106949382B CN201710265815.6A CN201710265815A CN106949382B CN 106949382 B CN106949382 B CN 106949382B CN 201710265815 A CN201710265815 A CN 201710265815A CN 106949382 B CN106949382 B CN 106949382B
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- pipeline
- detection body
- annular detection
- coil
- controller
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention provides a device for detecting liquid leakage of a pipeline and a using method thereof, the device comprises an annular detection body and a sliding device for driving the annular detection body to move along the pipeline, the annular detection body is formed by sequentially connecting a plurality of sector blocks with the same structure in the circumferential direction, a vibrating film is arranged on the inner cambered surface of each sector block, a magnet, a controller and a spiral coil are arranged in each sector block, one end of each coil is connected with the vibrating film, the magnet is inserted into the coil along the axial direction of the coil, the coil is connected with the controller through a wire, and the controller transmits current signals outwards. When in use, the annular detection body is sleeved on the pipeline to move, and the position and flow of liquid leakage of the pipeline are judged by judging the value of the coil current transmitted by the controller. The invention can accurately detect the position of liquid leakage, accurately judge the leakage liquid flow and provide visual and reliable information for the operation and maintenance of the pipeline.
Description
Technical Field
The invention relates to pipeline detection, in particular to a device for detecting liquid leakage of a pipeline and a using method thereof.
Background
Pipes are widely visible in production and life, and are most often used for transporting liquids.
The leakage of liquid in the pipeline can cause huge economic loss to the safety of people and property, and can cause pollution to the environment to a certain extent, so that the detection of the liquid conveying pipeline is very necessary. In the actual detection, some pipelines are longer, the space is narrow, and people cannot conveniently enter the detection, so that a plurality of inconveniences are brought to pipeline detection.
Disclosure of Invention
The invention aims to provide a device which is convenient to use and can detect whether liquid leaks in pipelines with different outer diameters so as to overcome the defects in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a device for detecting pipeline liquid leakage, includes the annular detection body and drives the slip device that the annular detection body removed along the pipeline, the annular detection body is connected gradually by a plurality of fan-shaped pieces that the structure is the same on the circumferencial direction and constitutes, the intrados of fan-shaped piece is equipped with vibrating membrane, and the inside magnet, controller and the heliciform coil that is equipped with of fan-shaped piece, the one end and the vibrating membrane of coil are connected, and the magnet is inserted in the coil along the axis direction of coil, the coil passes through wire and controller circuit connection, the outside transmission current signal of controller.
Preferably, the sector block is a hollow cavity, and a sliding door capable of being opened and closed is arranged on the sector block.
Further, the controller is mounted on the sliding door.
Preferably, adjacent segments are connected by snap-fit.
Preferably, the sliding device comprises a driver and a plurality of pulleys, wherein the driver is connected with the controller through a circuit, and all the pulleys are arranged along the circumference of the inner wall of the annular detection body.
The invention also provides a using method of the device, which comprises the following steps:
s1, determining the inner diameter size of an annular detection body according to the outer diameter size of a pipeline, then directly assembling the annular detection body around the pipeline by using a proper number of sector blocks, and installing a sliding device on the annular detection body, wherein the sliding device is propped against the outer wall of the pipeline;
s2, switching on power supplies of all controllers and the sliding devices;
s3, the sliding device drives the annular detection body to move along the pipeline;
and S4, judging the position and flow of the liquid leakage of the pipeline by judging the value of the coil current transmitted by the controller in the moving process of the annular detection body.
Preferably, the skid reciprocates along the pipe with the annular detector.
As described above, the device for detecting leakage of liquid in a pipeline and the method for using the same of the present invention have the following advantages:
the invention provides a device for detecting liquid leakage of a pipeline, which can accurately detect the position of liquid leakage, accurately judge the leakage liquid flow and provide visual and reliable information for operation and maintenance of the pipeline. The invention is an assembled structure, can meet the detection requirements of different pipelines, has strong applicability and simple structure, and has wide applicability.
Drawings
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is a block diagram of a segment in accordance with the present invention.
FIG. 3 is a schematic view of the present invention in use.
Fig. 4 is a top view of the present invention in use.
In the figure:
1. annular detector 11 sector block
2. Vibrating membrane of sliding device 3
4. Magnet 5 controller
6. Coil 61 wire
7. Sliding door 71 handle
10. Pipeline
Detailed Description
The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the disclosure of the present invention, and are not intended to limit the scope of the invention, which is defined by the claims, but rather by the terms of modification, variation of proportions, or adjustment of sizes, without affecting the efficacy or achievement of the present invention, should be construed as falling within the scope of the present invention. Also, the terms such as "upper", "lower", "front", "rear", "middle", and the like are used herein for descriptive purposes only and are not intended to limit the scope of the invention for which the invention may be practiced or for which the relative relationships may be altered or modified without materially altering the technical context.
As shown in fig. 1 to 4, the present invention is a device for detecting leakage of liquid in a pipeline, which comprises an annular detecting body 1 and a sliding device 2 for driving the annular detecting body 1 to move along the pipeline. The sliding device 2 is required to be propped against a pipeline in operation, and can be a crawling robot or a pulley and other structures, in the embodiment, the sliding device 2 comprises a driver and a plurality of pulleys, all the pulleys are controlled to rotate by the driver, the driver is in circuit connection with a controller 5, all the pulleys are arranged along the circumference of the inner wall of the annular detection body 1, the controller 5 is electrified to operate the driver so as to drive the pulleys to rotate, and then the sliding device 2 moves along the pipeline with the annular detection body 1 under the action of friction. In this embodiment, referring to fig. 4, the annular detecting body 1 is formed by sequentially connecting a plurality of segments 11 having the same structure in the circumferential direction. As shown in fig. 2, the inner arc surface of the sector block 11 is provided with a vibrating membrane 3, the inside of the sector block 11 is provided with a magnet 4, a controller 5 and a spiral coil 6, one end of the coil 6 is connected with the vibrating membrane 3, i.e. the axis of the coil 6 is vertical to the vibrating membrane 3; the coil 6 is movable with the elastic change of the vibrating membrane 3; further, the coil 6 is located at the center of the vibrating membrane 3. The magnet 4 is inserted into the coil 6 in the axial direction of the coil 6, and specifically, the magnet 4 is cylindrical. The coil 6 is in circuit connection with the controller 5 through a wire 61, and the controller 5 transmits a current signal outwards; i.e. in use, the controller 5 is connected to a peripheral computer, and the generated current signal is transmitted to the computer and then processed and analyzed by a worker.
The device is used for selecting the number of the sector blocks 11 according to the size of the detected pipeline, the characteristic of the built-in liquid, the measurement precision requirement and the like. The controller 5 in the present invention has built-in power supply system, signal transmission system and signal processing system. With reference to fig. 1 and 2, the working principle of the device is as follows: the coil 6 is provided with a relatively static magnet 4, when the coil 6 moves axially relative to the magnet 4, a magnetic induction line is cut to generate current, the generated current is transmitted into the controller 5 through a lead 61, the controller 5 is transmitted into an external computer through a signal transmission system in the controller, the computer judges the position and flow of liquid leakage of the pipeline by analyzing the current value and fluctuation condition corresponding to a certain sector block 11, and the relation between the current value and the liquid flow can be obtained through a preliminary test simulation test.
When in operation: when the device is sleeved on a pipeline and moves along the pipeline, the vibration film 3 cannot vibrate radially at the position without liquid leakage, the coil 6 cannot cut a magnetic induction wire, no current is transmitted into the controller 5 in the lead 61, and the current reading on a computer is zero.
When the device moves to a pipeline damage position, liquid is sprayed out from the pipeline damage position to cause the vibration film 3 to vibrate radially, a coil 6 connected with the vibration film 3 can cut a magnetic induction line to generate current, a current reading can be displayed on a computer, and the leakage flow and the specific position are judged by comparing the reading with the reading obtained by a model test in the earlier stage.
According to the sliding device 2, the annular detection body 1 can be driven to axially move along the pipeline through the roller, the annular detection body 1 can be driven to rotate around the pipeline, the outer wall of the pipeline is subjected to indiscriminate detection, and the position of liquid leakage can be more effectively determined.
As shown in fig. 2, in this embodiment, the sector 11 is a hollow cavity, the sector 11 is provided with a sliding door 7 capable of being opened and closed, the sliding door 7 is hinged to the sector 11 through a hinge, the controller 5, the magnet 4 and the coil 6 are placed through the sliding door, the maintenance of the device is also facilitated, and in addition, the sliding door 7 is provided with a handle 71. Further, for convenience of installation, the controller 5 is directly mounted on the sliding door 7, and the magnet 4 is mounted on the controller 5.
In use, adjacent segments 11 are connected by a snap fit. In its embodiment, a binding band may also be used to bind all segments 11 together.
With reference to fig. 1 to 4, the specific usage method of the device of the present invention is:
s1, determining the inner diameter size of the annular detection body 1 according to the outer diameter size of the pipeline 10, then directly assembling the annular detection body 1 around the pipeline by using a proper number of sector blocks 11, mounting the sliding device 2 on the annular detection body 1, wherein the roller of the sliding device 2 is abutted against the outer wall of the pipeline 10, and the annular detection body 1 is not contacted with the pipeline 10, so that the detection is not disturbed, and a gap of 2-5 mm can be kept. If necessary, the number of segments 11 also needs to be selected according to the built-in liquid characteristics and measurement accuracy requirements.
S2, switching on power supplies of all the controllers 5 and the sliding devices 2; in the present embodiment, the slider 2 is connected to one controller 5, and the slider 2 is operated by the controller 5.
S3, the sliding device 2 drives the annular detection body 1 to move along the pipeline 10.
S4, judging the position and flow of the leakage of the pipeline liquid by judging the value of the current of the coil 6 transmitted by the controller 5 in the moving process of the annular detection body 1, and archiving or recording by staff so as to facilitate the subsequent processing. After the test is completed, the device is detached from the pipeline 10.
When in use, the sliding device 2 carries the annular detection body 1 to reciprocate along the pipeline, so that errors are avoided through multiple detection.
In summary, the device for detecting leakage of liquid in a pipeline and the use method thereof can accurately detect the position and flow of the leakage of the liquid in the pipeline. Therefore, the invention effectively overcomes some practical problems in the prior art, thereby having high utilization value and use significance.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. The present invention is capable of modifications in the foregoing embodiments, as obvious to those skilled in the art, without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (7)
1. An apparatus for detecting leakage of a liquid in a conduit, characterized by: the device comprises an annular detection body (1) and a sliding device (2) for driving the annular detection body (1) to move along a pipeline, wherein the annular detection body (1) is formed by sequentially connecting a plurality of fan-shaped blocks (11) with the same structure in the circumferential direction, a vibrating film (3) is arranged on the intrados of the fan-shaped blocks (11), a magnet (4), a controller (5) and a spiral coil (6) are arranged in the fan-shaped blocks (11), one end of the coil (6) is connected with the vibrating film (3), the magnet (4) is inserted into the coil (6) along the axial direction of the coil (6), the coil (6) is in circuit connection with the controller (5) through a lead (61), and the controller (5) transmits current signals outwards;
when detecting a pipe liquid leak:
s1, determining the inner diameter size of an annular detection body (1) according to the outer diameter size of a pipeline, then directly assembling the annular detection body (1) around the pipeline by using a proper number of sector blocks (11), and installing a sliding device (2) on the annular detection body (1), wherein the sliding device (2) is propped against the outer wall of the pipeline;
s2, switching on all controllers and the sliding device (2);
s3, the sliding device (2) drives the annular detection body (1) to move along the pipeline;
s4, judging the position and flow rate of the liquid leakage of the pipeline by judging the value of the coil current transmitted by the controller in the moving process of the annular detection body (1).
2. A device for detecting a leakage of a liquid in a pipeline according to claim 1, wherein: the sector block (11) is a hollow cavity, and the sector block (11) is provided with a sliding door (7) capable of being opened and closed.
3. A device for detecting a leakage of a liquid in a pipeline according to claim 2, wherein: the controller (5) is mounted on the sliding door (7).
4. A device for detecting a leakage of a liquid in a pipeline according to claim 1, wherein: adjacent segments (11) are connected by snap fit.
5. A device for detecting a leakage of a liquid in a pipeline according to claim 1, wherein: the sliding device (2) comprises a driver and a plurality of pulleys, the driver is in circuit connection with the controller (5), and all the pulleys are arranged along the circumference of the inner wall of the annular detection body (1).
6. A method of using the apparatus for detecting a leak of a fluid in a conduit as defined in claim 1, wherein:
s1, determining the inner diameter size of an annular detection body (1) according to the outer diameter size of a pipeline, then directly assembling the annular detection body (1) around the pipeline by using a proper number of sector blocks (11), and installing a sliding device (2) on the annular detection body (1), wherein the sliding device (2) is propped against the outer wall of the pipeline;
s2, switching on all controllers and the sliding device (2);
s3, the sliding device (2) drives the annular detection body (1) to move along the pipeline;
s4, judging the position and flow rate of the liquid leakage of the pipeline by judging the value of the coil current transmitted by the controller in the moving process of the annular detection body (1).
7. The method of use according to claim 6, wherein: the sliding device (2) moves back and forth along the pipeline along the annular detection body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710265815.6A CN106949382B (en) | 2017-04-21 | 2017-04-21 | Device for detecting liquid leakage of pipeline and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710265815.6A CN106949382B (en) | 2017-04-21 | 2017-04-21 | Device for detecting liquid leakage of pipeline and application method thereof |
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| CN106949382A CN106949382A (en) | 2017-07-14 |
| CN106949382B true CN106949382B (en) | 2023-09-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113334581B (en) * | 2021-06-23 | 2021-11-30 | 徐州众磊建材科技有限公司 | Commercial concrete production line |
| CN115931257B (en) * | 2022-12-30 | 2023-06-30 | 亚太轻合金(南通)科技有限公司 | Cold working detection device for aluminum alloy pipe |
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| JP2002267518A (en) * | 2001-03-14 | 2002-09-18 | Aichi Tokei Denki Co Ltd | Film-type gas meter and gas leakage detecting method |
| JP2007085920A (en) * | 2005-09-22 | 2007-04-05 | Matsushita Electric Ind Co Ltd | Fluid-interrupting device |
| CN104633385A (en) * | 2014-12-07 | 2015-05-20 | 中国石油化工股份有限公司 | Wax-bearing crude conveying pipeline |
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| CN104132248B (en) * | 2014-07-31 | 2016-10-19 | 重庆大学 | Fluid line leakage detecting and locating method |
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| JP2002267518A (en) * | 2001-03-14 | 2002-09-18 | Aichi Tokei Denki Co Ltd | Film-type gas meter and gas leakage detecting method |
| JP2007085920A (en) * | 2005-09-22 | 2007-04-05 | Matsushita Electric Ind Co Ltd | Fluid-interrupting device |
| CN104633385A (en) * | 2014-12-07 | 2015-05-20 | 中国石油化工股份有限公司 | Wax-bearing crude conveying pipeline |
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