CN212565340U - Pressure pipeline leakage detection listening device - Google Patents
Pressure pipeline leakage detection listening device Download PDFInfo
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- CN212565340U CN212565340U CN202020809839.0U CN202020809839U CN212565340U CN 212565340 U CN212565340 U CN 212565340U CN 202020809839 U CN202020809839 U CN 202020809839U CN 212565340 U CN212565340 U CN 212565340U
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Abstract
The utility model discloses a pressure pipeline leakage detection listening device, which comprises a filtering leak detector, a loading vehicle and a damping structure, wherein the filtering leak detector is arranged on the loading vehicle, and the loading vehicle is provided with the damping structure; the loading vehicle comprises a vehicle plate, a push rod and a storage box, wherein an opening is formed in the middle of the vehicle plate, the storage box is fixedly connected to the opening and is positioned at the bottom of the vehicle plate, the filtering leak detector is placed in the storage box, and the push rod is hinged to one side of the vehicle plate; shock-absorbing structure includes round bar, damper cylinder, spring and universal wheel, 4 round bars of bottom rigid coupling of sweep, round bar and damper cylinder sliding fit, the damper cylinder intussuseption is filled with rubber, the bottom and the rubber contact of round bar, the cover is established on the round bar the spring, the bottom rigid coupling universal wheel of damper cylinder can be conveniently to the water pipe leak hunting along the line.
Description
Technical Field
The utility model relates to a concretely relates to pipeline under pressure leak testing listening device.
Background
China is a country with water resource shortage, the possession of per capita fresh water resource is only one fourth of the world average value, and leakage is inevitably caused by the pipe quality, the construction quality, the pipeline aging and other reasons in the operation process of the urban water supply network. Because of serious leakage of water supply network, the leakage of city water supply in China is nearly 100 billions of cubic meters. This makes the country consume huge resources to adjust the water in cities of every place and some water is lost.
After tap water leaks, the position of a water leakage point is difficult to determine in emergency repair, a large amount of manpower and material resources are wasted by random excavation, great economic loss is caused by water leakage, and water resources are wasted. The existing leakage detector is a device working by using the water leakage noise principle, when a tap water pipeline is broken and leaks water, noise is sent to the four directions, and a commonly used water leakage detection device consists of a sensor and an amplifier. The working principle of the prior art is that a ground sound pick-up is used for collecting vibration signals caused by sound leakage, the vibration signals are converted into electric signals and transmitted to a signal processor for amplification, filtration and other processing; finally, the audio signal is sent to the earphone, and the video signals such as graphs, waveforms or numbers and the like are displayed on the display screen to help determine the water leakage point, but when the water pipe along the line is subjected to leakage detection, the existing handheld water pipe leakage detection is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem lie in providing a pipeline under pressure leak testing listening device, can be conveniently to water pipe leak hunting along the line.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a pressure pipeline leakage detection listening device comprises a filtering leak detector, a loading vehicle and a damping structure, wherein the filtering leak detector is arranged on the loading vehicle, and the loading vehicle is provided with the damping structure;
the loading vehicle comprises a vehicle plate, a push rod and a storage box, wherein an opening is formed in the middle of the vehicle plate, the storage box is fixedly connected to the opening and is positioned at the bottom of the vehicle plate, the filtering leak detector is placed in the storage box, and the push rod is hinged to one side of the vehicle plate;
the damping structure comprises round rods, a damping cylinder, a spring and universal wheels, wherein the bottom end of the vehicle plate is fixedly connected with 4 round rods, the round rods are in sliding fit with the damping cylinder, the damping cylinder is filled with rubber, the bottom end of each round rod is in contact with the rubber, the spring is sleeved on each round rod, and the bottom end of the damping cylinder is fixedly connected with the universal wheels.
Further, the sweep is provided with the rectangle box, the rectangle box sets up to uncovered, rectangle box sliding fit has the sunshading board structure, the sunshading board structure includes sunshading board, bracing piece and spacing, the sunshading board bottom is straight board, the top of sunshading board is the arc, the top of the articulated sunshading board of one end of bracing piece, the bottom rigid coupling stopper of bracing piece, be provided with a plurality of breach on the spacing, the stopper with spacing interference fit.
Furthermore, a clamping plate is arranged on the vehicle plate, and a groove for limiting the supporting rod is formed in the clamping plate.
Furthermore, two sides of the rectangular box are provided with opposite straight grooves, two sides of the sun shield are provided with short rods, and the short rods are in sliding fit with the straight grooves.
Furthermore, a rectangular sponge strip for shock absorption is arranged in the storage box.
Further, the filter leak detector includes:
the pickup probe is used for receiving ground sound signals;
the pickup cable is used for connecting the pickup probe with the host;
the main machine is used for amplifying, carrying out audio frequency and digital processing on the sound signals received by the pickup probe and filtering noise;
the display screen is connected with the host and used for displaying the audio data;
the earphone is used for playing sound;
the earphone connecting cable is used for connecting the earphone with the host;
and the piezoelectric ceramic sensor is connected to the pickup cable and used for converting the vibration signal into a piezoelectric signal.
The utility model has the advantages that:
in the utility model, through the filtering leak detector, the loading vehicle and the damping structure, the filtering leak detector is arranged on the loading vehicle, and the damping structure is arranged on the loading vehicle; the loading vehicle comprises a vehicle plate, a push rod and a storage box, wherein an opening is formed in the middle of the vehicle plate, the storage box is fixedly connected to the opening and is positioned at the bottom of the vehicle plate, the filtering leak detector is placed in the storage box, and the push rod is hinged to one side of the vehicle plate; shock-absorbing structure includes round bar, damper cylinder, spring and universal wheel, 4 round bars of bottom rigid coupling of sweep, round bar and damper cylinder sliding fit, the damper cylinder intussuseption is filled with rubber, the bottom and the rubber contact of round bar, the cover is established on the round bar the spring, the bottom rigid coupling universal wheel of damper cylinder can be conveniently to the water pipe leak hunting along the line.
Drawings
Fig. 1 is a first three-dimensional structure diagram of a pressure pipeline leakage detection listening device of the utility model;
fig. 2 is a second three-dimensional structure diagram of the middle pressure pipeline leakage detection listening device of the utility model;
fig. 3 is a third three-dimensional structure diagram of the middle pressure pipeline leakage detection listening device of the utility model;
fig. 4 is a schematic diagram of a sunshade structure in the middle pressure pipeline leakage detection listening device of the utility model;
fig. 5 is a schematic cross-sectional structure view of the middle pressure pipeline leakage detection listening device of the present invention;
fig. 6 is a schematic connection diagram of the filter leak detector in the middle pressure pipeline leak detection listening device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-6, a pressure pipeline leakage detection listening device comprises a filter leak detector 1, a loading vehicle and a damping structure, wherein the filter leak detector 1 is installed on the loading vehicle, and the loading vehicle is provided with the damping structure;
the loading vehicle comprises a vehicle plate 2, a push rod 3 and a storage box 4, wherein an opening is formed in the middle of the vehicle plate 2, the storage box 4 is fixedly connected to the opening, the storage box 4 is located at the bottom of the vehicle plate 2, the filtering leak detector 1 is placed in the storage box 4, and the push rod 3 is hinged to one side of the vehicle plate 2; the filter leak detector 1 is placed by the loading vehicle, so that convenience of pipeline leak detection along the line is improved. During the use, filtering leak detector 1 installs on the automobile body, and its pickup probe 101 rigid coupling is in storing box 4 bottoms, and the accessible push-and-pull loading vehicle has realized carrying out the leak hunting work to the water pipe along the line. The technical content of filtering leak detector 1 has been known for this field of technical personnel in this embodiment, and its circuit is not repeated in this application, and filtering leak detector 1 is more in the current market, for example agile expert 8 of agile expert's water supply company production, can place filtering leak detector 1 in the containing box to one kind of water supply pipe design, and this kind of filtering leak detector needs long-time handheld when carrying out water pipe detection along the line, then seems comparatively troublesome.
For the detection accuracy that realizes the pickup probe in this embodiment, telescopic sleeve 17 has been set up, sleeve rigid coupling pickup probe 101 is worn to establish by pickup cable 102, and the structure of filtering leak detector 1 is not changed to this embodiment, only sets up sleeve 17 in the pickup cable 102 outside, and sleeve 17 is scalable for the height-adjusting, makes pickup probe 101 and earth contact, detects the noise signal that the below ground leak source transmitted, is used for the accurate leak source of judging.
The shock-absorbing structure comprises a round rod 5, a shock-absorbing cylinder 6, a spring 7 and universal wheels 8, 4 round rods 5 are fixedly connected to the bottom end of the vehicle plate 2, the round rods 5 are in sliding fit with the shock-absorbing cylinder 6, rubber is filled in the shock-absorbing cylinder 6, the bottom end of the round rod 5 is in contact with the rubber, the spring 7 is sleeved on the round rod 5, and the universal wheels 8 are fixedly connected to the bottom end of the shock-absorbing cylinder 6. And a damping structure is arranged, so that the vibration of the filtering leak detector 1 during movement can be reduced, and equipment is protected.
As an embodiment of the present invention, the sweep 2 is provided with rectangle box 9, rectangle box 9 sets up to uncovered, there is the sunshade plate structure rectangle box 9 sliding fit, the sunshade plate structure includes sunshading board 10, bracing piece 11 and spacing 12, sunshading board 10 bottom is straight board, the top of sunshading board 10 is the arc, the articulated sunshading board 10's of one end top of bracing piece 11, the bottom rigid coupling stopper of bracing piece 11, be provided with a plurality of breach on the spacing 12, the stopper with spacing 12 interference fit. The material of the sun visor 10 in this embodiment is pvc material, and it can block direct sunlight, so that the display panel of the filtering leak detector 1 is not clear.
As an embodiment of the present invention, the vehicle plate 2 is provided with the clamping plate 14, and the clamping plate 14 is provided with a groove for limiting the position of the supporting rod 11. The sun visor 10 can be folded conveniently and the support rod 11 can be fixed easily.
As an embodiment of the present invention, two sides of the rectangular box 9 are provided with opposite straight grooves 15, two sides of the sun visor 10 are provided with short rods 16, and the short rods 16 are in sliding fit with the straight grooves 15. Facilitating sliding movement of the sun visor 10 and allowing for easy spacing.
As an embodiment of the present invention, a rectangular sponge strip 13 for shock absorption is provided in the storage box 4. The filter leak detector 1 can be prevented from touching the vehicle panel 2, and the safety of the device is improved.
As an embodiment of the present invention, the filtering leak detector 1 includes: a sound pickup probe 101 for receiving a ground sound signal; a sound pickup cable 102 for connecting the sound pickup probe 101 to the main body 103; the host machine 103 is used for amplifying, carrying out audio frequency and digitalizing the sound signals received by the sound pickup probe 101 and filtering noise; the display screen 104 is connected with the host machine 103 and used for displaying audio data; an earphone 105 for playing sound; a headphone connection cable 106 for connecting the headphone 105 with the host 103; and the piezoelectric ceramic sensor 107 is connected to the sound pickup cable 102 and is used for converting the vibration signal into a piezoelectric signal. In the embodiment, the main machine 103 is turned on when the water leakage alarm device is used, and the default waveband is the water leakage point noise waveband of 30-800 Hz. Transversely cut along the pipeline direction, the leaked pressure pipeline generates vibration under the impact of water, the pickup probe 101 receives vibration signals, and the piezoelectric ceramic sensor 107 senses fine vibration signals and converts the vibration signals into piezoelectric signals. After the signal amplifier in the host machine 103 amplifies and filters the noise, the host machine 103 converts the analog data and processes the information, and the information is displayed by the display screen 104 and the earphone 105 after the information is converted into audio and sound. The maximum sound signal displayed in the earphone 105 or the maximum digital signal displayed by the display screen 104 is the position of the leakage point, and the filtering leak detector is installed on the loading vehicle, so that the water pipe along the line can be detected.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The pressure pipeline leakage detection listening device is characterized by comprising a filtering leak detector, a loading vehicle and a damping structure, wherein the filtering leak detector is arranged on the loading vehicle;
the loading vehicle comprises a vehicle plate, a push rod and a storage box, wherein an opening is formed in the middle of the vehicle plate, the storage box is fixedly connected to the opening and is positioned at the bottom of the vehicle plate, the filtering leak detector is placed in the storage box, and the push rod is hinged to one side of the vehicle plate;
the damping structure comprises round rods, a damping cylinder, a spring and universal wheels, wherein the bottom end of the vehicle plate is fixedly connected with 4 round rods, the round rods are in sliding fit with the damping cylinder, the damping cylinder is filled with rubber, the bottom end of each round rod is in contact with the rubber, the spring is sleeved on each round rod, and the bottom end of the damping cylinder is fixedly connected with the universal wheels.
2. The pressure pipeline leakage detection listening device according to claim 1, wherein the car board is provided with a rectangular box, the rectangular box is open, the rectangular box is in sliding fit with a sun-shading board structure, the sun-shading board structure comprises a sun-shading board, a support rod and a limit strip, the bottom of the sun-shading board is a straight board, the top of the sun-shading board is an arc-shaped board, one end of the support rod is hinged with the top of the sun-shading board, the bottom of the support rod is fixedly connected with a limit block, the limit strip is provided with a plurality of notches, and the limit block is in interference fit with the limit strip.
3. The pressure pipe leakage detection listening device of claim 2, wherein the cart board is provided with a clamping board, and the clamping board is provided with a groove for limiting the position of the support rod.
4. The pressure pipe leakage detection listening device of claim 2, wherein two sides of the rectangular box are provided with opposite straight grooves, and two sides of the sun visor are provided with short rods, and the short rods are in sliding fit with the straight grooves.
5. The pressure pipe leakage detection listening device of claim 1, wherein a rectangular sponge strip for shock absorption is arranged in the storage box.
6. The pressure pipe leak detection listening device of claim 1, wherein said filter leak detector comprises:
the pickup probe is used for receiving ground sound signals;
the pickup cable is used for connecting the pickup probe with the host;
the main machine is used for amplifying, carrying out audio frequency and digital processing on the sound signals received by the pickup probe and filtering noise;
the display screen is connected with the host and used for displaying the audio data;
the earphone is used for playing sound;
the earphone connecting cable is used for connecting the earphone with the host;
and the piezoelectric ceramic sensor is connected to the pickup cable and used for converting the vibration signal into a piezoelectric signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020809839.0U CN212565340U (en) | 2020-05-15 | 2020-05-15 | Pressure pipeline leakage detection listening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020809839.0U CN212565340U (en) | 2020-05-15 | 2020-05-15 | Pressure pipeline leakage detection listening device |
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| Publication Number | Publication Date |
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| CN212565340U true CN212565340U (en) | 2021-02-19 |
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| CN202020809839.0U Active CN212565340U (en) | 2020-05-15 | 2020-05-15 | Pressure pipeline leakage detection listening device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704778A (en) * | 2021-04-21 | 2022-07-05 | 天圜工程有限公司 | Leak hunting instrument for pipeline maintenance |
| KR102654355B1 (en) * | 2023-09-11 | 2024-04-03 | 주식회사 플로워크연구소 | Autonomous detection system for water supply networks |
-
2020
- 2020-05-15 CN CN202020809839.0U patent/CN212565340U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704778A (en) * | 2021-04-21 | 2022-07-05 | 天圜工程有限公司 | Leak hunting instrument for pipeline maintenance |
| KR102654355B1 (en) * | 2023-09-11 | 2024-04-03 | 주식회사 플로워크연구소 | Autonomous detection system for water supply networks |
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