CN115754002A - Plugging mud leak detection experimental system based on acoustic imaging - Google Patents
Plugging mud leak detection experimental system based on acoustic imaging Download PDFInfo
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- CN115754002A CN115754002A CN202211477477.XA CN202211477477A CN115754002A CN 115754002 A CN115754002 A CN 115754002A CN 202211477477 A CN202211477477 A CN 202211477477A CN 115754002 A CN115754002 A CN 115754002A
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Abstract
The invention discloses a plugging mud leakage detection experimental system based on acoustic imaging, which comprises: on-spot environmental simulation system, acoustic emission system and acoustic imaging system, on-spot environmental simulation system including closed room, actuating mechanism, fast-assembling base, one side of closed room open and to have square through hole, the actuating mechanism rigid coupling on the top of closed room, and actuating mechanism's mount pad towards closed room square through hole, the fast-assembling base be with closed room square through hole assorted square frame, fast-assembling base inner space is used for the shutoff wall to load, acoustic emission system include acoustic emission mechanism and acoustic receiving mechanism, acoustic emission mechanism rigid coupling respectively on actuating mechanism's mount pad, acoustic imaging system be image processing mechanism, acoustic imaging system carries out wireless connection through wireless network and acoustic emission system, actuating mechanism respectively. The invention has the advantages of simple structure, convenient use, good use effect and the like.
Description
Technical Field
The invention relates to the technical field of cable channel firewalls, in particular to a plugging mud leakage detection experiment system based on acoustic imaging.
Background
The cable channel space is narrow, and the inside cable density is high, and the operation is maintained the difficulty. In some old cable ducts, the number of power cables is large, the operating environment is poor, the power cables are restricted by manpower, material resources, time and cost, and regular inspection and maintenance of the power cables are difficult to achieve. The power cable long-term operation external insulation is ageing easily and causes the conflagration, once catch fire, the intensity of a fire spreads fast, the intensity of a fire is violent, not only influences the secondary cable operation, also can influence normal power supply, still can release a large amount of flue gases and toxic gas in the combustion process moreover, seriously threatens fire fighter healthy, makes the work of putting out a fire and save life and property very difficult. The high-voltage cable channel is an important component for ensuring the safe operation of a power system, and the fireproof and disaster-resistant capabilities of the high-voltage cable channel are very important. However, related scientific researches on fire protection of the high-voltage cable channel are still less, and especially, the influence of factors such as gaps of a firewall and a fireproof plugging material inside the high-voltage cable channel on the spread of fire is less researched.
In the aspect of a method for improving the fireproof blocking of a cable channel firewall, experts at home and abroad have already conducted detailed research on make internal disorder or usurp, and the commonly used fireproof blocking methods mainly include the following steps: sealing, blocking, isolating, coating, packaging and the like. The cable bin mainly adopts a method of blocking mud to prevent fire from spreading, but due to the problems of construction or ageing of the blocking mud and the like, gaps appear, so that the blocking effect cannot be achieved.
The acoustic imaging is based on a microphone array measurement technology, the position of a sound source is determined according to a phased array principle by measuring the phase difference of signals of sound waves reaching each microphone in a certain space, the amplitude of the sound source is measured, and the distribution of the sound source in the space is displayed in an image mode, namely a cloud image-sound image map of the spatial sound field distribution is obtained, wherein the intensity is represented by the color and the brightness of the image.
For cable channel firewalls built in different modes, before the cable channel firewalls are put into use, the tightness of the cable channel firewalls needs to be detected, and the existing market is short of experimental detection of products of the type.
Disclosure of Invention
The invention aims to provide a plugging mud leakage detection experimental system based on acoustic imaging to solve the problems in the background technology.
One technical scheme for achieving the above purpose is as follows: a plugging mud leak detection experiment system based on acoustic imaging comprises: on-spot environmental simulation system, acoustic emission system and acoustic imaging system, on-spot environmental simulation system including closed room, actuating mechanism, fast-assembling base, the closed room be square sealed room, and open one side of closed room has square through hole, the actuating mechanism rigid coupling on the top of closed room, and actuating mechanism's mount pad towards the square through hole of closed room, the fast-assembling base be with closed room square through hole assorted square frame, fast-assembling base inner space is used for the packing of shutoff wall, when using, in the square through hole of fast-assembling base embedding closed room, acoustic emission system include acoustic emission mechanism and sound receiving mechanism, acoustic emission mechanism and sound receiving mechanism rigid coupling respectively on actuating mechanism's mount pad, and acoustic emission mechanism and sound receiving mechanism mounted position phase-match, acoustic imaging system be image processing mechanism, convert acoustic wave information into digital information, acoustic imaging system carries out wireless connection with acoustic emission system, actuating mechanism through wireless network respectively.
Furthermore, actuating mechanism include connecting seat, guide post, base, driving screw, movable block, driving motor, mount pad, the connecting seat rigid coupling on the inside top of closed chamber, guide post top rigid coupling put at the central point of connecting seat, the base be provided with two, two bases rigid couplings are respectively at the upper and lower both ends of guide post, driving screw both ends install on the base through the bearing frame respectively, movable block sliding connection on the guide post, and the movable block passes through the screw and is connected with driving screw, driving motor rigid coupling on the base of upside, and driving motor's output and driving screw top are connected, the mount pad be the T type, the mount pad rigid coupling is on the movable block.
Furthermore, the fast-assembling base be provided with a plurality ofly, be filled with the fire prevention shutoff wall body of different structural design in a plurality of fast-assembling bases respectively.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the plugging mud leakage detection experimental system based on acoustic imaging, disclosed by the invention, fireproof plugging walls with different structural designs are detected in an acoustic imaging mode, so that the gap condition of the fireproof plugging walls can be accurately detected;
2. the plugging mud leakage detection experiment system based on acoustic imaging adopts a rapid filling mode, so that the use requirements of various sample tests in an experiment stage can be met, and the integrity of an experiment sample can be ensured.
3. According to the plugging mud leakage detection experimental system based on acoustic imaging, the driving mechanism can drive the detection end to move up and down and is matched with the acoustic emission mechanism of the sector-shaped sound wave, on one hand, the acoustic emission mechanism of the sector-shaped sound wave is small in detection range and high in accuracy, and can be matched with the lifting mechanism to detect all structures of a fireproof plugging wall body, so that the using effect is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1-a field environment simulation system; 2-an acoustic emission system; 3-an acoustic imaging system;
11-a closed chamber; 12-a drive mechanism; 13-fast mounting base;
21-an acoustic emission mechanism; 22-sound receiving mechanism
31-a connecting seat; 32-a guide post; 33-a base; 34-a driving screw rod; 35-a moving block; 36-a drive motor; 37-mounting seat.
Detailed Description
In order to better understand the technical solution of the present invention, the following detailed description is made by specific examples:
referring to fig. 1, the present invention provides a plugging mud leak detection experimental system based on acoustic imaging, including: on-spot environmental simulation system 1, acoustic emission system 2 and acoustic imaging system 3, on-spot environmental simulation system 1 including closed room 11, actuating mechanism 12, fast-assembling base 13, closed room 11 be square sealed room, and open one side of closed room 11 has square through hole, actuating mechanism 12 rigid coupling on the top of closed room 11, and actuating mechanism 12's mount pad towards the square through hole of closed room 11, fast-assembling base 13 be with the square frame of closed room 11 square through hole assorted, fast-assembling base 13 inner space is used for the packing of shutoff wall, when using, in the square through hole of closed room 11 is embedded into to fast-assembling base 13, acoustic emission system 2 include acoustic emission mechanism 21 and acoustic receiving mechanism 22, acoustic emission mechanism 21 and acoustic receiving mechanism 22 rigid coupling respectively on actuating mechanism 12's mount pad, and acoustic emission mechanism 21 and acoustic receiving mechanism 22 mounted position phase-match, acoustic imaging system 3 be image processing mechanism, acoustic imaging system 3 converts acoustic imaging information into digital information, acoustic imaging system 3 carries out the sound wave wireless connection through wireless network and acoustic emission system 2, actuating mechanism 12 respectively.
The fireproof blocking wall bodies with different structural designs are detected in an acoustic imaging mode, so that the gap condition of the fireproof blocking wall bodies can be accurately detected;
further, the driving mechanism 12 includes a connecting base 31, a guide post 32, a base 33, a driving lead screw 34, a moving block 35, a driving motor 36, and a mounting base 37, the connecting base 31 is fixedly connected to the top end inside the closed chamber 11, the top end of the guide post 32 is fixedly connected to the central position of the connecting base 31, two bases 33 are respectively fixedly connected to the upper and lower ends of the guide post 32, two ends of the driving lead screw 34 are respectively mounted on the base 33 through bearing seats, the moving block 35 is slidably connected to the guide post 32, the moving block 35 is connected to the driving lead screw 34 through threads, the driving motor 36 is fixedly connected to the base 33 on the upper side, the output end of the driving motor 36 is connected to the top end of the driving lead screw 34, the mounting base 37 is T-shaped, and the mounting base 37 is fixedly connected to the moving block 35.
The driving mechanism can drive the detection end to move up and down and is matched with the acoustic emission mechanism of the sector sound wave, on one hand, the acoustic emission mechanism of the sector sound wave is small in detection range and high in accuracy, and can be matched with the lifting mechanism to detect all structures of the fireproof plugging wall body, so that the using effect is improved.
Furthermore, the fast-assembling bases 13 are provided with a plurality of fast-assembling bases 13, and fireproof plugging walls with different structural designs are filled in the fast-assembling bases 13 respectively.
By adopting a rapid filling mode, on one hand, the use requirements of testing various samples in the experimental stage can be met, and on the other hand, the integrity of the experimental samples can be ensured.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (3)
1. The utility model provides a shutoff mud leak hunting experimental system based on acoustic formation of image which characterized in that includes: a field environment simulation system (1), an acoustic emission system (2) and an acoustic imaging system (3), the field environment simulation system (1) comprises a closed chamber (11), a driving mechanism (12) and a quick-mounting base (13), wherein the closed chamber (11) is a square sealed chamber, one side of the closed chamber (11) is provided with a square through hole, the driving mechanism (12) is fixedly connected at the top end of the closed chamber (11), and the mounting seat of the driving mechanism (12) faces the square through hole of the closed chamber (11), the fast-assembly base (13) is a square frame matched with the square through hole of the closed chamber (11), the inner space of the fast-assembly base (13) is used for filling a blocking wall, when in use, the fast-assembly base (13) is embedded into the square through hole of the closed chamber (11), the acoustic emission system (2) comprises an acoustic emission mechanism (21) and an acoustic receiving mechanism (22), the acoustic emission mechanism (21) and the acoustic receiving mechanism (22) are respectively and fixedly connected on a mounting seat of the driving mechanism (12), the sound emission mechanism (21) is matched with the installation position of the sound receiving mechanism (22), the acoustic imaging system (3) is an image processing mechanism, the acoustic imaging system (3) converts acoustic wave information into digital information, and the acoustic imaging system (3) is in wireless connection with the acoustic emission system (2) and the driving mechanism (12) through a wireless network respectively.
2. The plugging mud leakage detection experimental system based on acoustic imaging is characterized in that the driving mechanism (12) comprises a connecting seat (31), two guide columns (32), two bases (33), two driving lead screws (34), two moving blocks (35), two driving motors (36) and a mounting seat (37), the connecting seat (31) is fixedly connected to the top end of the inside of the closed chamber (11), the top ends of the guide columns (32) are fixedly connected to the center of the connecting seat (31), the two bases (33) are fixedly connected to the upper end and the lower end of each guide column (32), the two ends of each driving lead screw (34) are mounted on the bases (33) through bearing seats respectively, the moving blocks (35) are slidably connected to the guide columns (32), the moving blocks (35) are connected with the driving lead screws (34) through threads, the driving motors (36) are fixedly connected to the bases (33) on the upper side, the output ends of the driving motors (36) are connected to the top ends of the driving lead screws (34), and the mounting seat (37) is T-shaped and is fixedly connected to the mounting seat (37).
3. Sealing mud leakage detection experimental system based on acoustic imaging according to claim 1, characterized in that a plurality of fast-assembling bases (13) are provided, and fireproof sealing walls with different structural designs are respectively filled in the plurality of fast-assembling bases (13).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211477477.XA CN115754002A (en) | 2022-11-23 | 2022-11-23 | Plugging mud leak detection experimental system based on acoustic imaging |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211477477.XA CN115754002A (en) | 2022-11-23 | 2022-11-23 | Plugging mud leak detection experimental system based on acoustic imaging |
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| CN115754002A true CN115754002A (en) | 2023-03-07 |
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| CN202211477477.XA Pending CN115754002A (en) | 2022-11-23 | 2022-11-23 | Plugging mud leak detection experimental system based on acoustic imaging |
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