CN210089956U

CN210089956U - Pressure pipeline leak source locator, leak source positioner and leak source positioning system

Info

Publication number: CN210089956U
Application number: CN201920235296.3U
Authority: CN
Inventors: 陈波
Original assignee: Hunan Puqi Geological Exploration Equipment Research Institute (general Partner)
Current assignee: Hunan Puqi Geological Exploration Equipment Research Institute (general Partner)
Priority date: 2019-02-25
Filing date: 2019-02-25
Publication date: 2020-02-18
Anticipated expiration: 2029-02-25

Abstract

The utility model discloses a pressure pipeline leak source locator, leak source positioner and leak source positioning system, wherein, the locator includes: the spherical main body can be compressed along the radial direction of the pipeline to be tested so as to enter the interior of the pipeline to be tested, and can move under the pressure regulating action in the pipeline to be tested so as to block a leakage point of the pipeline to be tested; the positioning chip is packaged in the spherical main body, so that the positioning chip is isolated from the external environment through the spherical main body, the positioning chip is fixedly connected inside the spherical main body, and the positioning chip is used for transmitting a position signal in the pipeline to be detected, so that a detector for detecting the position signal determines the position of a leakage point of the pipeline to be detected according to the detected position signal. The utility model provides a technical scheme aims at solving the unsafe problem of pressure pipeline leak source location among the prior art.

Description

Pressure pipeline leak source locator, leak source positioner and leak source positioning system

Technical Field

The utility model relates to the technical field of pipelines, concretely relates to pressure pipeline leak source locator to and leak source positioner and leak source positioning system who uses this pressure pipeline leak source locator.

Background

Built-in pressure pipeline (like water supply pipeline or floor heating pipe) belongs to the disguised engineering, because installation problem or pipeline quality problem lead to built-in pressure pipeline to appear the condition of revealing easily, and it is more troublesome to the detection location of pipeline leak source when built-in pressure pipeline reveals.

At present, the pipeline leakage point is judged mainly by means of manual observation, the problems of low efficiency, high misjudgment rate and the like exist in the mode, and the problem of pipeline leakage cannot be solved in time generally. Some leakage detection devices are also available in the market, but most of the leakage detection devices have the problem that the detection of leakage points is not accurate enough or the accurate positioning cannot be realized by a plurality of leakage points.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pressure pipeline leak source locator aims at solving the unsafe problem of pressure pipeline leak source location among the prior art.

In order to achieve the above object, the utility model provides a pressure pipeline leak source locator includes:

the spherical main body can be compressed along the radial direction of the pipeline to be tested so as to enter the interior of the pipeline to be tested, and can move under the pressure regulating action in the pipeline to be tested so as to block a leakage point of the pipeline to be tested;

the positioning chip is packaged in the spherical main body and is isolated from the external environment through the spherical main body, the positioning chip is fixedly connected inside the spherical main body, and the positioning chip is used for transmitting a position signal in the pipeline to be detected so that a detector for detecting the position signal can determine the position of a leakage point of the pipeline to be detected according to the detected position signal.

Preferably, the spherical main body is a solid sphere coated outside the positioning chip, an accommodating space is formed inside the solid sphere, and the positioning chip is accommodated in the accommodating space.

Preferably, the spherical body is integrally formed.

Preferably, an installation gap is formed in the spherical main body, the positioning chip is installed in the spherical main body through the installation gap, and an adhesive layer for sealing the installation gap is further arranged on the spherical main body.

Preferably, the diameter of the spherical body is 1.05 times to 1.3 times of the inner diameter of the pipe to be measured.

Preferably, the diameter of the spherical body is 1.1 to 1.2 times the inner diameter of the pipe to be measured.

Preferably, the spherical main body is a rubber ball.

Preferably, the positioning chip is an RFID chip.

In addition, in order to achieve the above object, the present invention further provides a pressure pipeline leakage point positioning device, which comprises a detector and the pressure pipeline leakage point positioner as described in any one of the above items; the positioning chip of the positioner is used for transmitting a position signal in the pipeline to be detected and can move under the pressure regulation effect in the pipeline to be detected so as to block a leakage point of the pipeline to be detected; the detector is used for determining the position of a leakage point of the pipeline to be detected according to the detected position signal outside the pipeline to be detected.

In addition, in order to achieve the above purpose, the utility model also provides a pressure pipeline leak source positioning system, which comprises a first connecting pipe, a second connecting pipe and the leak source positioning device; the first connecting pipe is communicated with one end of the pipeline to be detected, the second connecting pipe is communicated with the other end of the pipeline to be detected, and a main switch, a pressure detection device and a pump are sequentially arranged on the first connecting pipe from the inlet end of the pipeline to the end connected with the pipeline to be detected; a pressure gauge and an exhaust valve are arranged on the second connecting pipe; a positioner in the leakage point positioning device is used for plugging the leakage point of the pipeline to be tested; and a detector in the leak point positioning device is used for detecting the position of the positioner so as to position the leak point of the pipeline to be detected.

In the technical scheme of the utility model, the positioner comprises a spherical main body and a positioning chip packaged in the spherical main body, the spherical main body can be radially compressed along the pipeline to be tested to enter the pipeline to be tested, and along with the pressure adjusting process in the pipeline to be tested, the spherical main body moves in the pipeline to be tested and stays at the leakage point position of the pipeline to be tested, so as to plug the leakage point of the pipeline to be tested through the spherical main body; the location chip passes through globular main part is kept apart with external environment, in order to realize the sealed effect of globular main part, location chip fixed connection in inside the globular main part, in order to avoid the location chip is in removal and collision in the globular main part, the location chip is in the pipeline that awaits measuring launches position signal, because the locator can pass through the inside pressure adjustment of pipeline that awaits measuring stops the leak source position of pipeline that awaits measuring, consequently, the detector of surveying position signal just can confirm according to the position signal that detects the leak source position of pipeline that awaits measuring is favorable to realizing the accurate location of pipeline under pressure leak source. The spherical main body is beneficial to reducing the frictional resistance between the positioner and the inner wall of the pipeline to be detected, so that the positioner can smoothly move in the pipeline to be detected, and the spherical main body is smooth in profile and can avoid clamping stagnation at the elbow of the 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 view of an embodiment of the leak source positioner of the pressure pipe of the present invention;

FIG. 2 is a sectional view of the spherical body of the leak locator of the pressure pipeline shown in FIG. 1;

fig. 3 is a schematic view of pipeline leakage point detection by using the leakage point positioning device of the present invention;

FIG. 4 is a schematic view of the positioner of the leak point positioning device shown in FIG. 3 positioned at a leak point of a pipeline.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	First connecting pipe	20	Second connecting pipe
11	Main switch	12	Pressure detection device
				13	Pump and method of operating the same	21	Pressure gauge
22	Evacuation valve	30	Positioning device
				31	Spherical main body	33	Positioning chip
40	Detector	50	Quick adapter
				100	Pipeline to be tested	110	Leakage point

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.

The utility model provides a pressure pipeline leak source locator 30.

Referring to fig. 1 and 2, to achieve the above object, the pressure pipeline leakage point positioner 30 of the present invention comprises:

the spherical main body 31 can be compressed along the radial direction of the pipeline 100 to be tested so as to enter the interior of the pipeline 100 to be tested, and can move under the pressure regulation effect in the pipeline 100 to be tested so as to block a leakage point 110 of the pipeline 100 to be tested;

the positioning chip 33 is packaged in the spherical main body 31, so that the positioning chip 33 is isolated from the external environment through the spherical main body 31, the positioning chip 33 is fixedly connected inside the spherical main body 31, and the positioning chip 33 is used for transmitting a position signal in the pipeline 100 to be detected, so that the detector 40 for detecting the position signal determines the position of the leak point 110 of the pipeline 100 to be detected according to the detected position signal.

In the technical solution of the present invention, the positioner 30 includes a spherical main body 31 and a positioning chip 33 packaged inside the spherical main body 31, the spherical main body 31 can be compressed along the radial direction of the pipeline 100 to be tested to enter the inside of the pipeline 100 to be tested, and along with the pressure adjusting process in the pipeline 100 to be tested, the spherical main body 31 moves in the pipeline 100 to be tested and stays at the position of the leak point 110 of the pipeline 100 to be tested, so as to plug the leak point 110 of the pipeline 100 to be tested through the spherical main body 31; the positioning chip 33 passes through spherical main body 31 is kept apart with external environment, in order to realize the sealed effect of spherical main body 31, positioning chip 33 fixed connection in inside spherical main body 31, in order to avoid positioning chip 33 is in removal and collision in the spherical main body 31, positioning chip 33 is in launch position signal in the pipeline 100 that awaits measuring, because locator 30 can pass through the inside pressure adjustment of pipeline 100 that awaits measuring stops the leak source 110 position of pipeline 100 that awaits measuring, consequently, the detector 40 of detecting position signal just can confirm according to the position signal who detects the leak source 110 position of pipeline 100 that awaits measuring, is favorable to realizing the accurate location of pressure pipeline leak source 110. The spherical main body 31 is beneficial to reducing the friction resistance between the positioner 30 and the inner wall of the pipeline 100 to be tested, so that the positioner 30 can move smoothly in the pipeline 100 to be tested, and the spherical main body 31 is smooth in profile, so that the clamping stagnation at the elbow of the pipeline can be avoided.

The number of the positioning chips 33 may be one or more, and when there are a plurality of positioning chips 33, the positioning chips 33 may be connected to each other in the spherical body 31 to enhance the strength of the positioning signal and improve the detection distance. Further, the positioning chips 33 may be cross-connected with each other, and the angle of the cross-connection is not limited herein.

In this embodiment, the pipe 100 to be detected is a ground heating pipe, when the leak 110 is detected, the locator 30 is plugged into the pipe 100 to be detected, and when the pressure pipe pushes the locator 30 to the leak 110, the locator 30 is detected on the ground by using the detector 40, so that the leak 110 can be accurately positioned. Of course, the pipe 100 to be tested may also be a tap water pipe or other pressure pipe.

In addition, in order to avoid the detector 40 from being interfered by other signals when detecting the locator 30, the locating chip 33 may be encrypted to form the encrypted locating chip 33, and therefore, the detector 40 can only read the encrypted locating chip 33.

Preferably, the spherical main body 31 is a solid sphere wrapped outside the positioning chip 33, an accommodating space is formed inside the solid sphere, and the positioning chip 33 is accommodated in the accommodating space. The solid sphere has a simple structure and good sealing performance, has good compression elasticity and can stably support the positioning chip 33 relative to the spherical shell, and the solid sphere is compressed along the radial direction of the pipeline 100 to be tested to enter the pipeline 100 to be tested. In the present embodiment, the solid sphere has an accommodating space formed therein, so that the positioning chip 33 is enclosed inside the spherical body 31 to be isolated from the external environment, and the spherical body 31 forms a sealing function for the positioning chip 33. As another embodiment of the present invention, the accommodating space can be formed by the outer surface of the spherical main body 31 being recessed, the positioning chip 33 is fixed in the accommodating space formed by the outer surface of the spherical main body 31 being recessed, and the recess of the spherical main body 31 is sealed by the sealing structure, so that the positioning chip 33 can be packaged in the spherical main body 31.

Preferably, the spherical main body 31 is integrally formed, and the integrally formed structure can improve the sealing performance, better isolate the positioning chip 33 from the environment (e.g., water or air) in the pipe 100 to be tested, and improve the service life of the positioning chip 33. Meanwhile, the spherical main body 31 is of an integrally formed structure, which is beneficial to saving processing cost.

Preferably, the spherical body 31 has a mounting gap (not shown), the positioning chip 33 is mounted in the spherical body 31 through the mounting gap, and the spherical body 31 is further provided with an adhesive layer for closing the mounting gap. The size of the mounting gap is set as required, the positioning chip 33 can enter the spherical body 31 through the mounting gap, and the adhesive layer is used for closing the mounting gap so as to seal the positioning chip 33 in the spherical body 31. The specific material of the adhesive layer can be set according to the needs, for example, the adhesive layer can be silicon rubber or other materials with adhesive property. Since the spherical body 31 is compressed after entering the pipe 100 to be tested, the installation gap is also in a compressed state, thereby ensuring that the spherical body 31 has good sealing performance.

Preferably, the diameter of the spherical body 31 is 1.05 times to 1.3 times the inner diameter of the pipe 100 to be measured. The diameter of the spherical main body 31 is slightly larger than the inner diameter of the pipe 100 to be measured, and in this embodiment, the diameter of the spherical main body 31 is 1.1 times to 1.2 times of the inner diameter of the pipe 100 to be measured.

Preferably, the spherical body 31 is a rubber ball. The rubber ball has good sealing performance and compressibility, is simple to manufacture, and can play a good supporting effect when being coated outside the positioning chip 33.

Preferably, the positioning chip 33 is an RFID chip. The positioning chip 33 preferably adopts an RFID chip, and the RFID detector 40 can be matched to accurately position the position of the pipeline leakage point 110, and the energy consumption is low and the reliability is high.

In addition, in order to achieve the above object, the present invention further provides a pressure pipeline leakage point positioning device, which comprises a detector 40 and the pressure pipeline leakage point positioner 30 according to any one of the above mentioned items; the positioning chip 33 of the positioner 30 is used for emitting a position signal in the pipeline 100 to be tested, and can move under the pressure regulation effect in the pipeline 100 to be tested so as to plug the leak point 110 of the pipeline 100 to be tested; the detector 40 is configured to determine the position of the leak point 110 of the pipe 100 to be tested according to the detected position signal outside the pipe 100 to be tested.

Since the leak location device adopts all the technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here. The pressure pipeline leakage point positioning device can also solve the problem that the position of the leakage point 100 cannot be accurately positioned when a plurality of leakage points 110 exist on the pipeline 100 to be detected.

Referring to fig. 3 and 4, in order to achieve the above object, the present invention further provides a pressure pipeline leakage point positioning system, which includes a first connecting pipe 10, a second connecting pipe 20, and the leakage point positioning device; the first connecting pipe 20 is communicated with one end of the pipeline 100 to be detected, the second connecting pipe 20 is communicated with the other end of the pipeline 100 to be detected, and a main switch 11, a pressure detection device 12 and a pump 13 are sequentially arranged on the first connecting pipe 10 from the pipeline inlet end to the end connected with the pipeline 100 to be detected; the second connecting pipe 20 is provided with a pressure gauge 21 and an exhaust valve 22; the positioner 30 in the leak source positioning device is used for plugging the leak source 110 of the pipeline 100 to be tested; the detector 40 in the leak source positioning device is used for detecting the position of the positioner 30 to position the leak source 110 of the pipe 100 to be measured.

Since the leak location system adopts all the technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here.

In an embodiment, when the leak positioning system is used to detect and position the leak 110 of the pipeline 100 to be tested, water or air may be filled into the pipeline 100 to be tested; taking water filling as an example, the specific steps of detection and positioning are as follows:

s1, firstly, coating a lubricant on the outer surface of the spherical main body 31 of the locator 30 to fully lubricate the spherical main body; connecting a first connecting pipe 10 and a second connecting pipe 20 to two ends of a pipeline 100 to be tested respectively; starting the main switch 11, and starting the pump 13 to feed water into the pipeline 100 to be detected and the second connecting pipe 20; opening the emptying valve 22 to discharge air in the pipeline, so that the pipeline 100 to be tested and the second connecting pipe 20 are filled with water, and then closing the emptying valve 22;

s2, taking down the first connecting pipe 10, quickly plugging the lubricated positioner 30 into the pipeline 100 to be tested, and quickly connecting the first connecting pipe 10 to the end part of the pipeline 100 to be tested again; gas is prevented from entering the pipeline as much as possible during the process of plugging the positioner 30;

s3, starting the pump 13, and if the leak source 110 does not exist on the pipeline 100 to be tested, the values of the pressure controller and the pressure gauge 21 are equal; if the leak point 110 exists on the pipe 100 to be tested, the water pushes the positioner 30 to move to the leak point 110 of the pipe 100 to be tested, when the positioner 30 moves to the leak point 110, the positioner 30 stays at the leak point 110 and blocks the leak point 110 due to the small compressibility of the water, and at this time, the value of the pressure gauge 21 is kept basically stable;

s4, detecting the position of the positioning chip 33 in the positioner 30 through the detector 40, wherein the detected position of the positioning chip 33 is the position of the leak source 110 on the pipeline 100 to be detected.

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

1. A pressure line leak-point locator, said locator comprising:

the positioning device comprises a spherical main body, a positioning chip and a positioning chip, wherein the spherical main body can be compressed along the radial direction of a pipeline to be detected so as to enter the interior of the pipeline to be detected and can move under the pressure regulating action in the pipeline to be detected so as to seal a leakage point of the pipeline to be detected, the spherical main body is integrally formed, an installation gap is formed in the spherical main body, the positioning chip is installed in the spherical main body through the installation gap, and an adhesive layer used for sealing the installation gap is further arranged on the spherical main body;

2. The pressure pipeline leakage point positioner as claimed in claim 1, wherein the spherical body is a solid sphere which is coated outside the positioning chip, a receiving space is formed inside the solid sphere, and the positioning chip is received in the receiving space.

3. The pressure pipe leak point locator of claim 1 wherein the diameter of the spherical body is between 1.05 and 1.3 times the inner diameter of the pipe to be tested.

4. The pressure pipe leak point locator of claim 3 wherein the diameter of the spherical body is between 1.1 and 1.2 times the inner diameter of the pipe to be tested.

5. The pressure conduit leak point locator of any one of claims 1-4 wherein the spherical body is a rubber ball.

6. The pressure pipeline leak point locator of any one of claims 1-4, wherein the locating chip is an RFID chip.

7. A pressure pipe leak-point locating device comprising a detector and a pressure pipe leak-point locator according to any one of claims 1 to 6; the positioning chip of the positioner is used for transmitting a position signal in the pipeline to be detected and can move under the pressure regulation effect in the pipeline to be detected so as to block a leakage point of the pipeline to be detected; the detector is used for determining the position of a leakage point of the pipeline to be detected according to the detected position signal outside the pipeline to be detected.

8. A pressure pipe leak point locating system comprising a first connecting tube, a second connecting tube, and a leak point locating device as claimed in claim 7; the first connecting pipe is communicated with one end of the pipeline to be detected, the second connecting pipe is communicated with the other end of the pipeline to be detected, and a main switch, a pressure detection device and a pump are sequentially arranged on the first connecting pipe from the inlet end of the pipeline to the end connected with the pipeline to be detected; a pressure gauge and an exhaust valve are arranged on the second connecting pipe; a positioner in the leakage point positioning device is used for plugging the leakage point of the pipeline to be tested; and a detector in the leak point positioning device is used for detecting the position of the positioner so as to position the leak point of the pipeline to be detected.