CN211875276U - Pipeline vibration generator and pipeline positioning device - Google Patents
Pipeline vibration generator and pipeline positioning device Download PDFInfo
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- CN211875276U CN211875276U CN202020444502.4U CN202020444502U CN211875276U CN 211875276 U CN211875276 U CN 211875276U CN 202020444502 U CN202020444502 U CN 202020444502U CN 211875276 U CN211875276 U CN 211875276U
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Abstract
The utility model discloses a pipeline vibration generator and a pipeline positioning device, wherein the pipeline vibration generator comprises a main pipe, a first valve and a discharge pipe which are arranged on the main pipe, and the first valve and the discharge pipe are respectively arranged between the two ends of the main pipe at intervals; the end part of the main pipe close to the discharge pipe is a connecting end used for being communicated with a pipeline to be tested; the front end of the discharge pipe is communicated between the connecting end and the first valve, and the tail end of the discharge pipe extends in the direction away from the main pipe and is provided with a discharge hole; the hole diameter of the discharge hole is smaller than the inner diameter of the discharge pipe. The utility model provides a technical scheme is favorable to making the pipeline that awaits measuring produce vibration signal to can carry out the pipeline location through vibration signal's collection, be favorable to satisfying the location demand of metal pipeline and non-metallic pipe simultaneously.
Description
Technical Field
The utility model relates to a pipeline positioning technology field, concretely relates to pipeline vibration generator and applied this pipeline vibration generator's pipeline positioner.
Background
The urban underground pipeline is the blood vessels and nerves of the city and is the guarantee of the normal operation of the city. In the prior art, the trend of underground pipelines is unclear and data are incomplete due to various reasons, and safety accidents are easily caused by unclear current situations of the underground pipelines in the urban construction process. With the increasing urbanization in recent years, accidents such as damage to pipelines can easily occur if the trend of pipelines is not known in the process of construction. The pipeline detection instrument in the related art is generally suitable for metal pipelines, and utilizes the electromagnetic induction technology to carry out pipeline detection, but detects the pipeline to non-metal pipeline electromagnetic induction and then needs to be surveyed with the help of other instruments, therefore, the pipeline detection instrument in the related art can't satisfy the location demand of metal pipeline and non-metal pipeline simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pipeline vibration generator aims at solving the problem that the pipeline detection instrument in the correlation technique can't satisfy the location demand of metal pipeline and non-metallic pipe simultaneously.
In order to achieve the above purpose, the utility model provides a pipeline vibration generator, which comprises a main pipe, a first valve and a discharge pipe, wherein the first valve and the discharge pipe are arranged on the main pipe, and the first valve and the discharge pipe are respectively arranged between two ends of the main pipe at intervals; the end part of the main pipe close to the discharge pipe is a connecting end used for being communicated with a pipeline to be tested; the front end of the discharge pipe is communicated between the connecting end and the first valve, and the tail end of the discharge pipe extends in the direction away from the main pipe and is provided with a discharge hole; the hole diameter of the discharge hole is smaller than the inner diameter of the discharge pipe.
Preferably, the first valve is a solenoid valve, and the first valve is in signal connection with the controller.
Preferably, the discharge pipe is a reducing pipe, an inner diameter of the discharge pipe is gradually reduced from the front end to the end, and an inner diameter of the main pipe is at least 10 times an aperture diameter of the discharge hole.
Preferably, the discharge pipe is in detachable communication with the main pipe.
Preferably, the pipe vibration generator further includes a pipe joint through which the discharge pipe is detachably communicated with the main pipe.
Preferably, the pipe vibration generator includes a plurality of the discharge pipes, each of which has a discharge hole having a different hole diameter, wherein one of the discharge pipes is detachably communicated with the main pipe.
Preferably, the pipeline vibration generator further comprises a quick coupling, one end of the quick coupling is used for connecting the connecting end, and the other end of the quick coupling is used for connecting the pipeline to be tested.
Preferably, the pipe vibration generator further includes a second valve connected to the main pipe, the second valve being disposed between the first valve and the connection end.
Preferably, the second valve is a solenoid valve or a manual valve.
In order to achieve the above object, the utility model also provides a pipeline positioning device, including vibration sensor and as above-mentioned any pipeline vibration generator, pipeline vibration generator is used for connecting the pipeline that awaits measuring so that the pipeline that awaits measuring vibrates, vibration sensor is used for detecting pipeline vibration generator connects the pipeline vibration signal that produces behind the pipeline that awaits measuring.
In the technical scheme of the utility model, when the wiring of the pipeline to be detected needs to be detected, the pipeline vibration generator is connected into the pipeline to be detected, and the fluid (such as water flow) in the pipeline to be detected flows into the pipeline vibration generator from the connecting end of the main pipe, the first valve is controlled to be closed, so that the fluid can only flow out from the discharge hole of the discharge pipe, and as the aperture of the discharge hole is smaller than the inner diameter of the discharge pipe, the fluid generates higher pressure to generate vibration when passing through the discharge hole, so that the vibration signal is transmitted along the pipeline to be detected, the vibration signal detected right above the pipeline to be detected is stronger, and the vibration signal is gradually weakened as the distance from the pipeline to be detected is farther, therefore, after the pipeline to be detected is connected with the pipeline to be detected, the vibration signal is generated by the change of the fluid pressure acting on the pipeline to be detected, namely, the vibration signal can be further detected between the starting point and the, the device for positioning the pipeline by enabling the pipeline to be tested to generate the vibration signal is beneficial to meeting the positioning requirements of the metal pipeline and the nonmetal pipeline.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the pipeline vibration generator of the present invention;
FIG. 2 is a schematic view of the operation flow of the pipe positioning device of the present invention;
fig. 3 is a signal transmission schematic diagram of the middle pipe positioning device of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
11 | Connecting |
| 2 | |
3 | |
| 31 | |
4 | |
| 5 | |
6 | Pipeline to be tested |
| 7 | |
8 | |
| 81 | |
82 | Earphone set |
| 10 | Pipeline vibration generator |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Referring to fig. 1, the pipe vibration generator 10 of the present invention includes a main pipe 1, and a first valve 2 and a discharge pipe 3 disposed on the main pipe 1, wherein the first valve 2 and the discharge pipe 3 are respectively disposed between two ends of the main pipe 1 at intervals; the end part of the main pipe 1 close to the discharge pipe 3 is a connecting end 11 used for being communicated with a pipeline 6 to be measured; the front end of the discharge pipe 3 is communicated between the connecting end 11 and the first valve 2, and the tail end of the discharge pipe 3 extends in a direction departing from the main pipe 1 and is provided with a discharge hole 31; the hole diameter of the discharge hole 31 is smaller than the inner diameter of the discharge pipe 3.
In the technical solution of the present invention, when the trace of the pipeline 6 to be tested is required to be tested, the pipeline vibration generator 10 is connected to the pipeline 6 to be tested, and the fluid (such as water flow) in the pipeline 6 to be tested flows into the pipeline vibration generator 10 from the connecting end 11 of the main pipe 1, the first valve 2 is controlled to be closed, so that the fluid can only flow out from the discharge hole 31 of the discharge pipe 3, because the aperture of the discharge hole 31 is smaller than the inner diameter of the discharge pipe 3, the fluid generates higher pressure to generate vibration when passing through the discharge hole 31, thereby the vibration signal is transmitted along the pipeline 6 to be tested, the vibration signal detected right above the pipeline 6 to be tested is stronger, and the farther away from the pipeline 6 to be tested, the vibration signal is gradually weakened, therefore, after the pipeline vibration generator 10 is connected to the pipeline 6 to be tested, the vibration signal is generated by the pipeline 6 to be tested through the change of the fluid, can further detect through vibration sensor 7 and detect the vibration signal between the starting point and the terminal point of the pipeline 6 that awaits measuring to confirm the line of walking of the pipeline 6 that awaits measuring, this kind is through making the pipeline 6 that awaits measuring produce the device that vibration signal carries out the pipeline location, is favorable to satisfying the location demand of metal pipeline and non-metal pipeline simultaneously.
The main pipe 1, the discharge pipe 3 and the pipeline 6 to be measured are not limited in material, and may be metal pipes or nonmetal pipes.
The fluid has frictional force when the pipeline, through the utility model discloses further enlarge this kind of fluid frictional force, make pipeline 6 that awaits measuring produce a vibration that has special frequency, pick up vibration signal through vibration sensor 7, further enlarge through the instrument again to judge pipeline 6 that awaits measuring and move towards. The method is suitable for metal pipelines and non-metal pipelines, is convenient to carry, and cannot detect pipelines due to the material of the pipelines. The utility model discloses can be applied to the location of liquid or gaseous transportation pipeline, for example, be used for the water supply line location. Different with the pipeline detection instrument among the prior art, the utility model discloses no matter what material the pipeline can all be surveyed, only need to await measuring 6 inside existence of pipeline and just can measure with the fluid of pressure, do not have pressure fluid if awaiting measuring in the pipeline 6, also can pressurize or survey pressure fluid injection pipeline 6 that awaits measuring through the pump.
Preferably, the first valve 2 is a solenoid valve, and the first valve 2 is in signal connection with the controller 4. The first valve 2 is controlled to be opened and closed by the controller 4 at a set frequency, and the set frequency can be adjusted according to at least one of the inner diameter of the pipe 6 to be measured, the fluid transfer rate, and the hole diameter of the discharge hole 31 of the discharge pipe 3 connected to the main pipe 1. When the first valve 2 is closed, the fluid flows out of the discharge hole 31 to form a sharp vibration signal; when the first valve 2 is closed, fluid flows out of the main pipe 1, forming a gentle signal. The rapid vibration signal and the slow signal are alternated according to the set frequency to form a pulse signal with a distinct characteristic, so that a user can rapidly distinguish the pulse signal formed by the pipeline vibration generator 10 from other surrounding signals in the vibration signal acquisition process, and the detection accuracy is obviously improved.
Further, the discharge pipe 3 is a variable diameter pipe, the inner diameter of the discharge pipe 3 is gradually reduced from the tip to the end, and the inner diameter of the main pipe 1 is at least 10 times the hole diameter of the discharge hole 31. The main pipe 1 has an inner diameter at least 10 times larger than the hole diameter of the discharge hole 31, which is advantageous in generating a more rapid pressure at the discharge hole 31, resulting in a significant vibration. In the present embodiment, the inner diameter of the main pipe 1 is preferably 20 times the diameter of the discharge hole 31.
Specifically, the discharge pipe 3 is detachably communicated with the main pipe 1. The replacement of the discharge pipe 3 and the main pipe 1 with a detachable structure is advantageous for maintenance or replacement of the discharge pipe 3 and the main pipe 1 in actual use.
More preferably, the pipe vibration generator 10 further includes a pipe joint through which the discharge pipe 3 is detachably communicated with the main pipe 1. The connection of the main pipe 1 is realized through the pipe joint, and the convenience of installation is improved. Further, the pipe joint may be a three-way joint.
Further, the pipe vibration generator 10 includes a plurality of the discharge pipes 3, each of the discharge pipes 3 having a discharge hole 31 with a different hole diameter, wherein one of the discharge pipes 3 is detachably communicated with the main pipe 1. The arrangement of a plurality of discharge pipes 3 is advantageous for achieving different outflow pressures and thus different vibration signals, and the selection of the aperture of the discharge hole 31 can be determined according to the inner diameter of the pipeline 6 to be measured. For example, the larger the inner diameter of the pipe 6 to be measured is, the larger the diameter of the discharge pipe 3 of the discharge hole 31 can be selected; the smaller the inner diameter of the pipeline 6 to be measured is, the smaller the aperture of the discharge hole 31 can be selected to be the discharge pipe 3; the discharge pipe 3 having a small hole diameter of the discharge hole 31 can be selected when the flow rate of the fluid is slow, and the discharge pipe 3 having a large hole diameter of the discharge hole 31 can be selected when the flow rate of the fluid is fast.
Preferably, the pipe vibration generator 10 further comprises a quick coupling, one end of the quick coupling is used for connecting the connecting end 11, and the other end of the quick coupling is used for connecting the pipeline 6 to be measured. The quick coupling is beneficial to realizing the quick assembly and disassembly of the pipeline vibration generator 10 and the pipeline 6 to be tested.
Specifically, the pipe vibration generator 10 further includes a second valve 5 connected to the main pipe 1, and the second valve 5 is disposed between the first valve 2 and the connection end 11. Specifically, after the pipe vibration generator 10 is connected to the pipe 6 to be measured, when the pipe is not required to be positioned, the second valve 5 may be closed to cut off the fluid, so as to stop the generation of the fluid pulse signal at any time. When the pipeline positioning is needed, the second valve 5 is opened, and the controller 4 alternately controls the first valve 2 to be opened and closed, so that the pipeline 6 to be tested vibrates to facilitate the pipeline positioning through the acquisition of vibration signals.
More preferably, the second valve 5 is a solenoid valve or a manual valve. The second valve 5 is not opened or closed frequently, and may be a solenoid valve connected to the controller 4 by a signal, or a manual valve controlled manually.
Referring to fig. 2 and fig. 3, to achieve the above object, the present invention further provides a pipeline positioning device, including a vibration sensor 7 and a pipeline vibration generator 10 as described in any one of the above embodiments, wherein the pipeline vibration generator 10 is used for connecting the pipeline 6 to be tested to vibrate the pipeline 6 to be tested, and the vibration sensor 7 is used for detecting a pipeline vibration signal generated after the pipeline vibration generator 10 is connected to the pipeline 6 to be tested.
Specifically, the pipeline positioning device comprises a pipeline vibration generator 10, a host machine 8, and a vibration sensor 7, a display screen 81 and an earphone 82 which are respectively in signal connection with the host machine 8. After the pipeline vibration generator 10 is started and vibrates, a tester wears the earphone 82, collects a vibration signal between the connection position of the pipeline vibration generator 10 and the pipeline 6 to be tested and the position of a fluid transportation starting point (such as a water supply room of tap water) through the vibration sensor 7, and determines the laying line of the pipeline 6 to be tested according to the strength of the vibration signal. The display screen 81 may be a touch control screen, and during the test, the pulse frequency may be adjusted by the touch control screen, so that the vibration signal is clearly distinguished from other surrounding signals.
The utility model discloses the principle that utilizes the fluid to flow through and to produce great friction vibration when reducing pipe realizes the function of pipeline vibration, then utilizes vibration sensor 7 to gather vibration signal, enlargies the signal and handles through host computer 8, then shows on the display screen 81 that takes the touch and convert the signal of handling into the audio frequency, exports earphone 82. The pipeline vibration generator 10 is manufactured by using a variable diameter pipeline, an electromagnetic valve, a controller 4 and the like. When carrying out the water pipe location, thereby this device avoids adopting the solenoid valve alone to form the condition that the water hammer influences the pipeline damage inside the pipeline when as pulse generator, and can carry out the change pipeline according to 6 pipeline internal diameters sizes of pipeline that await measuring and change to cooperation controller 4 etc. produce the required specific frequency of pipeline detection, improve the interference immunity and the positioning accuracy of surveying. Find the position (piping shaft, user water gap etc.) that can external water pipe in the detection zone, install pipeline vibration generator 10 on the pipeline 6 that awaits measuring, adjustment controller 4, make pipeline vibration generator 10 operation, produce specific frequency's vibration signal, carry out the interval setting of frequency with the collection instrument, reduce the signal interference that the environment brought, then begin to carry out the pipeline detection in the detection zone from pipeline vibration generator 10 mounted position, carry out the pipeline position judgement according to the signal column strip on the display screen 81 and the sound size in the earphone 82, thereby confirm the pipeline trend. The method for detecting the pipeline is simple in operation mode, does not need professional personnel to operate, and is suitable for severe environments. The interference resistance is strong.
The pipeline vibration generator 10 is manufactured by using the principle that the fluid generates large friction vibration when flowing through the reducer pipe and adopting the electromagnetic valve, the reducer pipe, the controller 4 and the like to generate pipeline vibration. Vibration signals are collected by the vibration sensor 7 to be amplified and processed, so that the instrument can be visible and audible, and the accuracy of pipeline positioning is improved. The variable diameter pipe and the electromagnetic valve are opened and closed to generate a vibration signal, so that the particularity of the vibration signal is improved, the pipeline water hammer is avoided, and the damage to the pipeline in the testing process is reduced. The anti-interference performance of signals is enhanced, and the accuracy of pipeline detection is improved. The opening and closing of the electromagnetic valve are controlled through the adjusting controller 4, the generated special signals can be effectively adjusted according to the environmental noise, then the frequency range on the detection host machine 8 is adjusted according to the adjusted control signals, the accuracy of pipeline detection can be further improved, and unnecessary loss and the stability of a city water supply system are avoided in city construction.
The above is only the preferred embodiment of the present invention, not limiting the scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A pipeline vibration generator is characterized by comprising a main pipe, a first valve and a discharge pipe, wherein the first valve and the discharge pipe are arranged on the main pipe, and the first valve and the discharge pipe are respectively arranged between two ends of the main pipe at intervals; the end part of the main pipe close to the discharge pipe is a connecting end used for being communicated with a pipeline to be tested; the front end of the discharge pipe is communicated between the connecting end and the first valve, and the tail end of the discharge pipe extends in the direction away from the main pipe and is provided with a discharge hole; the hole diameter of the discharge hole is smaller than the inner diameter of the discharge pipe.
2. The pipe vibration generator of claim 1, wherein said first valve is a solenoid valve, said first valve being in signal communication with a controller.
3. The pipe vibration generator according to claim 1, wherein the discharge pipe is a reducing pipe, an inner diameter of the discharge pipe is gradually reduced from the front end to the distal end, and an inner diameter of the main pipe is at least 10 times a diameter of the discharge hole.
4. The pipe vibration generator of claim 1, wherein the discharge pipe is in removable communication with the main pipe.
5. The pipe vibration generator of claim 1, further comprising a pipe joint through which the discharge pipe is in detachable communication with the main pipe.
6. The pipe vibration generator according to claim 1, comprising a plurality of said discharge pipes, each of which has a discharge hole having a different hole diameter, wherein one of said discharge pipes is detachably communicated with said main pipe.
7. The pipe vibration generator according to any one of claims 1 to 6, further comprising a quick coupling, wherein one end of the quick coupling is used for connecting the connecting end, and the other end of the quick coupling is used for connecting the pipeline to be tested.
8. The pipe vibration generator according to any one of claims 1 to 6, further comprising a second valve connected to the main pipe, the second valve being disposed between the first valve and the connection end.
9. The pipe vibration generator of claim 8, wherein the second valve is a solenoid valve or a manual valve.
10. A pipeline positioning device, comprising a vibration sensor and the pipeline vibration generator as claimed in any one of claims 1 to 9, wherein the pipeline vibration generator is used for connecting a pipeline to be tested to vibrate the pipeline to be tested, and the vibration sensor is used for detecting a pipeline vibration signal generated after the pipeline vibration generator is connected with the pipeline to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020444502.4U CN211875276U (en) | 2020-03-31 | 2020-03-31 | Pipeline vibration generator and pipeline positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020444502.4U CN211875276U (en) | 2020-03-31 | 2020-03-31 | Pipeline vibration generator and pipeline positioning device |
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| Publication Number | Publication Date |
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| CN211875276U true CN211875276U (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020444502.4U Active CN211875276U (en) | 2020-03-31 | 2020-03-31 | Pipeline vibration generator and pipeline positioning device |
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|---|---|
| CN (1) | CN211875276U (en) |
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2020
- 2020-03-31 CN CN202020444502.4U patent/CN211875276U/en active Active
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