CN112303502A - Sound vibration method water leakage detection method - Google Patents
Sound vibration method water leakage detection method Download PDFInfo
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- CN112303502A CN112303502A CN202010965632.7A CN202010965632A CN112303502A CN 112303502 A CN112303502 A CN 112303502A CN 202010965632 A CN202010965632 A CN 202010965632A CN 112303502 A CN112303502 A CN 112303502A
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- sound
- transmission rod
- display
- vibration
- sound transmission
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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
-
- 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
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a sound vibration method water leakage detection method, which comprises a mechanical leakage listening rod and an electronic amplification type leakage detector, wherein the electronic amplification type leakage detector comprises a vibration pickup sensor, an amplifying circuit, a filter circuit, a display, a power supply and an earphone, the mechanical leakage listening rod comprises a sound transmission rod and a resonant cavity, the vibration pickup sensor is connected with a pipeline to be detected, or the vibration pickup sensor is connected with the sound transmission rod, and then the sound transmission rod is contacted with the pipeline, the stability of the handheld sound transmission rod and the connection stability of the vibration pickup sensor are kept in the process, and if the pipeline to be detected is deeply buried underground, the sound transmission rod selects a proper valve pit for contact detection. The method for detecting water leakage by using the sound vibration method is used in cooperation with the mechanical leakage listening rod and the electronic amplification type leakage detector, so that the method for detecting water leakage by using the sound vibration method is more diversified, and meanwhile, the mechanical detection and the electronic detection are combined, so that the input cost in the detection process is effectively reduced.
Description
Technical Field
The invention relates to the technical field of pipeline leakage detection, in particular to a sound vibration method water leakage detection method.
Background
The tap water conveyed by the underground pipeline has water leakage problem after a long time, and the water leakage is found out, the time table does not necessarily show, even if water seeps from the ground surface, the seepage point is not necessarily the leakage point, especially when the ground surface has a covering layer of cement or the like, wherein, in the history of detecting the water leakage of the underground tap water pipeline, the sound vibration method leakage detection is the most widely applied method, however, the sound vibration method still has many undesirable places, for example, the vibration source of the pipeline is not necessarily the leak point, the tee joint and the corner bend of the flowing water impact in the pipeline and the vibration excited by the accessory of the pipeline are also the vibration source, so that the detection result is inevitably influenced to a certain degree, therefore, how to design a sound vibration method water leakage detection method which has good stability, simple operation process and accurate measurement result becomes a problem to be solved currently.
Disclosure of Invention
The invention aims to provide a sound vibration method water leakage detection method to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a sound vibration method water leakage detection method comprises a mechanical leakage listening rod and an electronic amplification leakage detector, wherein the electronic amplification leakage detector comprises a vibration pickup sensor, an amplification circuit, a filter circuit, a display, a power supply and an earphone, the mechanical leakage listening rod comprises a sound transmission rod and a resonant cavity, and the sound vibration method water leakage detection method comprises the following steps:
A. connecting a vibration pickup sensor with a pipeline to be detected, or connecting the vibration pickup sensor with a sound transmission rod, and then contacting the sound transmission rod with the pipeline, wherein the stability of the handheld sound transmission rod and the connection stability of the vibration pickup sensor are kept in the process, and if the pipeline to be detected is deeply buried underground, the sound transmission rod is selected to be in contact detection at a proper valve pit;
B. starting a leakage detection process at night or in a quiet environment such as a reduced water consumption environment of a user, turning on a power switch of the electronic amplification type leakage detector, double-clicking a filter analysis option on a display, adjusting the volume of the earphone to be the lowest, and wearing the earphone on two ears;
C. according to the difference of the material and the soil quality of the pipeline to be tested, 24 fixed frequency options are selected on the display options, then the volume of the earphone is slowly adjusted to 15-35, and the gain option is adjusted to 10-15;
D. the handle switch of the connecting line is pressed for a long time, and the signal strength of the position of the water leakage point displayed by the display is observed by paying attention to the position strength, and the position strength is visually observed through the deflection angle or the display numerical value of the signal needle of the display.
Preferably, the display is a 7-inch high-definition digital touch color liquid crystal display, the resolution of the display is 800 × 480, and 12 paging units can be provided.
Preferably, the front end of the vibration pickup sensor is provided with a pre-stage amplifying circuit, and a rubber ring is fixedly mounted between the pre-stage amplifying circuit and the vibration pickup sensor in a sticking manner.
Preferably, the length of the sound transmission rod is 1.5 meters, the resonant cavity is made of polyformaldehyde materials, 7 listening holes are uniformly distributed in the surface of the resonant cavity, and a red copper spring induction sheet is fixedly mounted inside the resonant cavity.
Compared with the prior art, the invention has the beneficial effects that: the method for detecting water leakage by using the sound vibration method has the advantages that the method for detecting water leakage by using the sound vibration method is diversified by matching with the mechanical leakage listening rod and the electronic amplification type leakage detector, meanwhile, the mechanical detection is combined with the electronic detection, the cost input in the detection process is effectively reduced, when a first pipeline leakage point is found, the mechanical leakage listening rod can be directly positioned to a specific leakage point, the return can be far greater than the input of the cost, the electronic amplification type leakage detector adopts a digital signal processing chip and a digital filtering chip, 16M cache is integrated in a controller, the whole reaction of the device is sensitive, the noise interference capacity in the filtering environment of the device is enhanced, the water leakage detection effect is more obvious, and the result is more accurate.
Drawings
FIG. 1 is a schematic diagram of the hydraulic effect of the conduit of the present invention;
FIG. 2 is a schematic view illustrating the influence of the material of the pipe according to the present invention;
FIG. 3 is a schematic view of the pipe caliber effect of the present invention;
FIG. 4 is a schematic diagram illustrating the effect of signal propagation distance according to the present invention.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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 the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, an embodiment of the present invention is shown: the utility model provides a sound vibration method detection method that leaks, includes mechanical type listening leaks stick and electron amplification formula leak hunting appearance, and electron amplification formula leak hunting appearance includes pick-up vibration sensor, amplifier circuit, filter circuit, display, power supply and earphone, and mechanical type listening leaks the stick and includes sound conducting rod and resonant cavity, and sound vibration method leaks water and detects the step as follows:
A. connecting a vibration pickup sensor with a pipeline to be detected, or connecting the vibration pickup sensor with a sound transmission rod, and then contacting the sound transmission rod with the pipeline, wherein the stability of the handheld sound transmission rod and the connection stability of the vibration pickup sensor are kept in the process, and if the pipeline to be detected is deeply buried underground, the sound transmission rod is selected to be in contact detection at a proper valve pit;
B. starting a leakage detection process at night or in a quiet environment such as a reduced water consumption environment of a user, turning on a power switch of the electronic amplification type leakage detector, double-clicking a filter analysis option on a display, adjusting the volume of the earphone to be the lowest, and wearing the earphone on two ears;
C. according to the difference of the material and the soil quality of the pipeline to be tested, 24 fixed frequency options are selected on the display options, then the volume of the earphone is slowly adjusted to 15-35, and the gain option is adjusted to 10-15;
D. the handle switch of the connecting line is pressed for a long time, and the signal strength of the position of the water leakage point displayed by the display is observed by paying attention to the position strength, and the position strength is visually observed through the deflection angle or the display numerical value of the signal needle of the display.
Furthermore, the display adopts a 7-inch high-definition digital touch color liquid crystal screen, the resolution of the display is 800 × 480, and 12 paging units can be provided at the same time.
Furthermore, a preceding stage amplifying circuit is arranged at the front end of the vibration pickup sensor, and a rubber ring is fixedly mounted between the preceding stage amplifying circuit and the vibration pickup sensor in a sticking mode.
Furthermore, the length of the sound transmission rod is 1.5 meters, the resonant cavity is made of polyformaldehyde materials, 7 listening holes are uniformly distributed in the surface of the resonant cavity, and a red copper spring induction sheet is fixedly mounted inside the resonant cavity.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. A sound vibration method water leakage detection method comprises a mechanical leakage listening rod and an electronic amplification type leakage detector, and is characterized in that: the electronic amplification type leak detector comprises a vibration pickup sensor, an amplifying circuit, a filter circuit, a display, a power supply and an earphone, wherein the mechanical leakage listening rod comprises a sound transmission rod and a resonant cavity, and the sound vibration method water leakage detection step is as follows:
A. connecting a vibration pickup sensor with a pipeline to be detected, or connecting the vibration pickup sensor with a sound transmission rod, and then contacting the sound transmission rod with the pipeline, wherein the stability of the handheld sound transmission rod and the connection stability of the vibration pickup sensor are kept in the process, and if the pipeline to be detected is deeply buried underground, the sound transmission rod is selected to be in contact detection at a proper valve pit;
B. starting a leakage detection process at night or in a quiet environment such as a reduced water consumption environment of a user, turning on a power switch of the electronic amplification type leakage detector, double-clicking a filter analysis option on a display, adjusting the volume of the earphone to be the lowest, and wearing the earphone on two ears;
C. according to the difference of the material and the soil quality of the pipeline to be tested, 24 fixed frequency options are selected on the display options, then the volume of the earphone is slowly adjusted to 15-35, and the gain option is adjusted to 10-15;
D. the handle switch of the connecting line is pressed for a long time, and the signal strength of the position of the water leakage point displayed by the display is observed by paying attention to the position strength, and the position strength is visually observed through the deflection angle or the display numerical value of the signal needle of the display.
2. The sound vibration method water leakage detection method according to claim 1, characterized in that: the display adopts a 7-inch high-definition digital touch color liquid crystal screen, the resolution ratio of the display is 800 × 480, and 12 paging units can be provided at the same time.
3. The sound vibration method water leakage detection method according to claim 1, characterized in that: the front end of the vibration pickup sensor is provided with a preceding stage amplifying circuit, and a rubber ring is fixedly mounted between the preceding stage amplifying circuit and the rubber ring in a sticking mode.
4. The sound vibration method water leakage detection method according to claim 1, characterized in that: the length of the sound transmission rod is 1.5 meters, the resonant cavity is made of polyformaldehyde materials, 7 listening holes are uniformly distributed in the surface of the resonant cavity, and a red copper spring induction sheet is fixedly mounted in the resonant cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010965632.7A CN112303502A (en) | 2020-09-15 | 2020-09-15 | Sound vibration method water leakage detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010965632.7A CN112303502A (en) | 2020-09-15 | 2020-09-15 | Sound vibration method water leakage detection method |
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| CN112303502A true CN112303502A (en) | 2021-02-02 |
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| CN202010965632.7A Pending CN112303502A (en) | 2020-09-15 | 2020-09-15 | Sound vibration method water leakage detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113324645A (en) * | 2021-04-14 | 2021-08-31 | 华翔翔能科技股份有限公司 | Intelligent building water supply management method and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5744700A (en) * | 1994-09-20 | 1998-04-28 | Technofirst | Device for detecting and locating fluid leaks |
| CN1808087A (en) * | 2006-01-27 | 2006-07-26 | 重庆大学 | Digital and intelligent method for positioning and detecting water leakage of underground pipeline and instrument therefor |
| CN102797979A (en) * | 2012-08-29 | 2012-11-28 | 上海海事大学 | Device for detecting leakage points of underground pipeline and method thereof |
-
2020
- 2020-09-15 CN CN202010965632.7A patent/CN112303502A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5744700A (en) * | 1994-09-20 | 1998-04-28 | Technofirst | Device for detecting and locating fluid leaks |
| CN1808087A (en) * | 2006-01-27 | 2006-07-26 | 重庆大学 | Digital and intelligent method for positioning and detecting water leakage of underground pipeline and instrument therefor |
| CN102797979A (en) * | 2012-08-29 | 2012-11-28 | 上海海事大学 | Device for detecting leakage points of underground pipeline and method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 扬州华春静电工程有限公司: "声振法测漏技术", 《HTTPS://WWW.DOCIN.COM/P-932725299.HTML》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113324645A (en) * | 2021-04-14 | 2021-08-31 | 华翔翔能科技股份有限公司 | Intelligent building water supply management method and system |
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