KR101738426B1

KR101738426B1 - Water pipe leak detection device

Info

Publication number: KR101738426B1
Application number: KR1020150089924A
Authority: KR
Inventors: 김권수
Original assignee: 김권수
Priority date: 2015-06-24
Filing date: 2015-06-24
Publication date: 2017-05-22
Also published as: KR20170000682A

Abstract

The present invention relates to a water leakage detection device, and more particularly, to a water leakage detection device in a pipe, which is configured to check the inside of a pipe in real time by photographing while moving inside a square or circular pipe. A photographing unit for acquiring image information of the main body traveling direction; A conveying unit that is formed in the main body and conveys the main body within the tube; And a center holding unit configured to hold the main body to be transported at the tip end of the main body at a tube center position. The inside of the tube is moved while moving inside the tube, and the photographed image information is monitored to visually check whether the tube is damaged or leaked It is possible to detect more precisely and to accurately grasp the accurate position information of the pipe when breakage or leakage of the pipe occurs, thereby reducing the amount of water lost in the pipe and preventing the occurrence of a major accident. And a leakage detection device.

Description

{WATER PIPE LEAK DETECTION DEVICE}

The present invention relates to a water leakage detection device, and more particularly, to a water leakage detection device for a moving object which is configured to acquire image information while moving inside a pipe, thereby detecting leakage and leakage points in the pipe in real time through the pipe.

Piping is widely used in various industrial fields such as water supply and drainage pipes, city gas pipes, and plant pipes of petrochemical plants. Piping can be damaged by aging, corrosion, and external impact. Damage to piping can lead to leakage of flammable or toxic materials flowing through the piping, which can lead to loss of life and property. Therefore, maintenance and repair of the piping are required to confirm the internal state of the piping and whether or not cracks have occurred at certain intervals.

The piping has a narrow internal width and is often buried in the basement, which makes it difficult for the operator to approach it. Therefore, in order to maintain the maintenance of the piping, a device for judging whether or not the piping leaks through the sensor is conventionally proposed is proposed. Such a conventional technology discloses a leak sensor of Korean Patent Laid-Open No. 10-2007-0005234, The film which can display the component can be wound around the pipe to detect the leakage of the chemical. In such a case, the installation cost and the construction period are excessively required to be applied to a wide pipe network, It is difficult to perform accurate diagnosis.

In recent years, there has been a danger of sinkholes in various phenomena of subsidence, and when a pipe is twisted or broken due to the occurrence of such a sinkhole, there is a problem that a fluid flowing into the pipe flows out This is difficult to recognize and it takes a lot of time to locate the location, so there are many problems in monitoring the safety of the piping because it is difficult to respond promptly.

Korean Patent Publication No. 10-2007-0005234

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in order to solve the above-mentioned problems of the conventional art, and it is an object of the present invention to provide a method and apparatus for capturing the inside of a pipe while monitoring the inside of the pipe, And to provide an in-pipe mobile monitoring device configured to provide accurate positional information of the corresponding pipeline in case of need so that immediate maintenance can be performed.

In order to solve the above-mentioned problems, the present invention provides an apparatus for detecting an in-pipe leaked water leak, the apparatus comprising: a main body; A photographing unit for acquiring image information of the main body traveling direction; A conveying unit that is formed in the main body and conveys the main body within the tube; And a center holding unit configured to hold the main body, which is constructed and arranged at the tip of the main body, at a tube center position.

In this case, the center holding part is fixed to the front end of the main body by fixing means. An extension frame extending from both sides of the main frame and adjusted in length; And a roller wheel formed at an end of the elongated frame and riding on the inner surface of the tube.

For example, the main frame has a hollow at the center thereof and a fastening hole formed at both sides thereof. The pair of extension frames are inserted into the hollow at both sides of the main frame, And the 'A' -shaped fastening pins are simultaneously inserted into the gap adjusting holes and the fastening holes to adjust mutual lengths.

As another example, the main frame may include a first frame in which a hollow is formed along a longitudinal direction and a first gear groove is formed in a central portion; A second frame spaced apart from the first frame and having a hollow formed along a longitudinal direction thereof and having a second gear groove formed at a central portion thereof so as to face the first gear groove; A gear portion disposed between the first gear groove and the second gear groove and through which gear teeth are drawn into the first frame and the second frame through the respective gear grooves; And spaced apart from each other by a distance between the first frame and the second frame, and spaced apart from each other by a gear space formed in the center of the spaced apart gear space, wherein the extended frame is provided with a pair, And a flat gear part which is inserted into each hollow of the second frame and engages with the gear part is formed on one side thereof.

Wherein the elongated frame has a point symmetric structure in which each end of the elongated frame is doubly folded so that the center of the roller wheel is positioned on the same line as the center of the gear portion.

As another example, the gear portion may include a screw rod integrally formed with the gear portion and extending downwardly therefrom and having a screw thread formed on a side thereof, and one or more guide rods may be formed at a lower portion of the spacer block, A thread through which the rod engages; And a guide hole through which the guide rod passes.

As described above, according to the present invention, there is provided an apparatus for detecting leakage in a pipe, comprising: a main body; a photographing unit installed in front of the main body; a transfer unit for transferring the main body; and a center holding unit for holding the main body to be transferred, It is possible to visually identify the breakage and leaking of the piping by monitoring the photographed image information by shooting the inside of the apparatus.

In addition, when the pipe breakage or leakage occurs, the accurate positional information of the pipe can be immediately recognized, thereby reducing the amount of water lost in the pipe and preventing the occurrence of a major accident.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view of an in-pipe portable leak detection device according to the present invention. FIG.
2 is a plan view of Fig.
3 is a view showing an embodiment of a center holding portion which is an embodiment of the present invention.
4 is a perspective view showing another embodiment of a center holding portion which is a constitution of the present invention.
5 is an exploded perspective view of Fig.
FIG. 6 is a perspective view showing the operating state of FIG. 4; FIG.
7 is a plan view showing the main part of Fig.
8 is a perspective view showing still another embodiment of a center holding portion which is a constitution of the present invention.
9 is a view showing the operating state of Fig.

In describing the present invention, terms and words used in the present specification and claims are to be construed in accordance with the principles of the present invention, on the basis that the inventor can properly define the concept of a term in order to best explain his invention But also the meaning and the concept corresponding to the technical idea of.

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

FIG. 2 is a plan view of FIG. 1, and FIG. 3 is a view showing an embodiment of a center holding part which is a constitution of the present invention. 4 is a perspective view showing another embodiment of the center holding part which is a constitution of the present invention, FIG. 5 is an exploded perspective view of FIG. 4, and FIG. 6 is a perspective view showing an operating state of FIG. Fig. 7 is a plan view showing the main part of Fig. 6, Fig. 8 is a perspective view showing still another embodiment of the center holding part of the present invention, and Fig. 9 is a view showing the operating state of Fig.

The portable water leakage detection apparatus according to the present invention is configured to photograph the interior of a pipe while moving inside the pipe and accurately check the leakage and leakage points of the pipe in real time through photographed image data. The main body 100, the photographing unit 200, the transfer unit 300, and the center setting unit.

The main body 100 may be constructed such that a driving means 120 such as a motor is installed in the main body 100 to transmit power to the following conveying unit 300 to be self-conveyed. In some cases, May be connected so that they are trained in the tube.

The photographing unit 200 further includes a lighting unit 220 configured to acquire image information including a camera 210 for photographing an image of the front of the main body 100 in a tube, And the image information is monitored by an administrator to grasp the damage and leakage of the pipeline in real time.

The conveyance unit 300 includes four conveyance wheels 310 for conveying the main body 100 from the inside of the main body 100, more specifically, the main body 100, The main body 100 can be transported in the pipe by rotating the transfer wheel 310 by receiving power from the driving means 120. Even when the main body 100 is connected to the main body 100, The main body 100 can be smoothly transported in the pipe.

At this time, the conveying wheel 310 is formed as a rubber tube having a diameter of 260 mm or more to secure the height of the photographing unit 200, so that the camera 210 is disposed at the center of the tube, It is preferable to make it possible to more accurately detect leakage, and to improve breaking ability of various foreign materials (soil, stone, etc.) in the pipe from the obstacle and to increase the driving force even in the water hammer state.

The center holding part 400 holds the main body 100 at the center of the tube which is formed at one or both sides of the front end and the rear end of the main body 100. The main holding part 400 includes a main frame 410, And a roller wheel (425).

The main frame 410 is fixed to the main body 100 and is firmly fixed to the main body 100 by the fixing means 110.

The extension frame 420 is extended from both sides of the main frame 410 to adjust the length of the extension frame 420 to adjust the length of the extension frames 420 for various diameters, So that it can be brought into close contact with the inner periphery of the pipe.

In addition, the roller wheel 425 is configured to be rotatable and is configured to be coupled to an end of the extension frame 420.

Hereinafter, various embodiments of the center holding part 400, which is an embodiment of the present invention, will be described in detail with reference to FIGS. 3 to 9. FIG.

3 shows a first embodiment of the center holding part 400. As shown in the figure, the center holding part 400 according to the present embodiment has a hollow at the center of the main frame 410, A fastening hole 432 is formed.

The extension frames 420 are inserted into the hollows of the main frame 410 at both sides of the main frame 410 so that a plurality of spacing holes 431 are formed at regular intervals, The length of the elongated frame 420 is adjusted so that the length of the elongated frame 420 is adjusted to the desired length and the length of the elongated frame 420 is fixed by simultaneously inserting the retaining pin 433 into the gap adjusting hole 431 and the fastening hole 432 .

The fastening pins 433 are formed on the upper surface of the main frame 410 so that the fastening pins 433 can be easily engaged with the main frames 410. However, .

Hereinafter, a second embodiment of the center holding part 400, which is a constitution of the present invention, will be described in detail with reference to FIGS.

FIG. 4 is an exploded perspective view of the center holding part 400 according to the present embodiment, FIG. 5 is an assembled perspective view of FIG. 4, and FIGS.

The main frame 410a includes a first frame 4110, a second frame 4120, a gear portion 4130, and a spacing block 4140. In this case, .

The first frame 4110 is fixed to the fixing means 110 and has a hollow 4111 formed along the longitudinal direction thereof and a central portion thereof is opened to form a first gear groove 4112.

The second frame 4120 is spaced apart from the first frame 4110 and has a hollow 4121 formed along the longitudinal direction of the second frame 4120. A second gear groove 4112 is formed at the center of the second frame 4120 so as to face the first gear groove 4112. [ 4122 are formed.

The gear portion 4130 is disposed between the first gear groove 4112 and the second gear groove 4122. At this time, the gear teeth of the first gear are engaged with the first frame 4110 The center shaft of the gear portion 4130 is extended to the upper side or the lower side of the gear shaft 4132 and the gear shaft 4132 is extended to the gear shaft 4132 by a worker The handle 4150 may be provided to rotate by hand, or it may be configured to interlock with a separate control motor (not shown).

The spacing block 4140 fixes the first frame 4110 and the second frame 4120, and a gear space portion is formed at the center thereof so that the gear portion 4130 is disposed.

In this case, the extension frame 4200 is provided with a pair of the center holding part 400 as in the first embodiment, and each of the hollows 4111 (4111) of the first frame 4110 and the second frame 4120 And 4121 and a flat gear portion 4210 engaged with (engaged with) the gear portion 4130 is formed on one side surface of the extended frame 4200.

6 to 7, the operating state of the center holding part 400 according to the present embodiment due to the organic coupling structure of the above structures will be described in more detail.

6 (a) and 6 (b) show an example in which the extension frame 4200 is contracted or expanded as the gear portion 4130 rotates clockwise or counterclockwise, and FIG. 7 (a) , and FIG. 6 (b) is a plan view of the principal parts corresponding to FIGS. 6 (a) and 6 (b).

The operator can control the clockwise or counterclockwise rotation of the gear portion 4130 by rotating the knob 4150 or by driving a control motor (not shown) due to the above-described structure and structure, The extension frame 4200 coupled to the gear portion 4130 in a coupling structure can be contracted or expanded on the main frame 410a.

6A and FIG. 7A, the gear portion 4130 is rotated in the clockwise direction in the figure, which corresponds to a case where the width or diameter of the pipe is small, The side extension frames 4200 having the structure in which the flat gear portions 4210 are engaged (mated) move toward each other in the inner side, so that the interval between the roller wheels 425 can be reduced.

6 (b) and 7 (b) show a case in which the tube width or the tube diameter is relatively larger than those in FIGS. 6 (a) and 7 (a) 4130 are rotated in the counterclockwise direction in the drawing so that the both side extension frames 4200 having the structure in which the gear portion 4130 and the flat gear portion 4210 are engaged with each other move toward each other outwardly, The spacing of the roller wheel 425 can be easily controlled according to the width and the diameter of the pipe.

4 to 5, the end of the extension frame 4200 is doubly folded so that the center of the roller wheel 425 is positioned on the same line as the center of the gear portion 4130 It is preferable that the roller wheels 425 disposed on both sides are not located on the same line, that is, when one roller wheel 425 is disposed forward or rearward than the other roller wheel 425, This is because the main body 100 may be transferred while being unable to maintain the center trajectory of the tube.

Hereinafter, a third embodiment of the center holding part 400, which is a constitution of the present invention, will be described with reference to FIGS. 8 to 9. FIG.

The central holding part 400 according to the present embodiment is arranged so that the roller wheel 425 is positioned on the tube center line even if the distance between the roller wheels 425 is adjusted according to the diameter of the cylindrical holding part, The position of the roller wheel 425 automatically increases when the interval between the extension frames 4200 is increased and conversely the distance between the extension frames 4200 is narrowed The position of the roller wheel 425 is automatically lowered.

As shown in the figure, the gear portion 4130 is integrally formed with the gear portion 4130 and has a screw rod 4134 extending downwardly therefrom and having a screw thread formed on the side thereof.

One or more guide rods 4144 may be formed on the lower portion of the spacer block 4140. The guide rods 4144 may be disposed on both sides of the screw rods 4134.

At this time, a screw part 112 through which the screw rod 4134 is engaged and passes is formed in the fixing unit 110, and a guide hole 114 is formed so that the guide rod 4144 passes.

Referring to FIG. 9, the position of the roller wheel 425 automatically increases when the interval of the extended frame 4200 is increased. On the contrary, when the interval of the extended frame 4200 is narrowed, the position of the roller wheel 425 is automatically lowered Will be described in detail.

First, when the gear portion 4130 is rotated in the counterclockwise direction to widen the interval of the extension frame 4200 as in the above embodiment, the screw rod 4134 integrally formed in the gear portion 4130 is also rotated .

At this time, the screw rod 4134 is screwed to the screw portion 112 formed on the fixing means 110 and is screwed to the screw portion 112. As the screw rod 4134 rotates, 400 will be able to rise.

On the contrary, if the gear portion 4130 is rotated in the clockwise direction, the screw rod 4134 acts in the opposite direction, so that the center holding portion 400 can be lowered.

A pair of guide rods 4144 are formed below the spacer block 4140 with the screw rod 4134 interposed therebetween so as to pass through a guide hole 114 formed in the fixing means 110 The center post 400 can maintain its basic posture even when the gear and the screw rod 4134 rotate, and it is possible to provide a stable and structurally stable feeling even when the center post 400 is lifted and lowered.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, Of the right.

100: main body 200:
300: Feeder 400:

Claims

An in-pipe moving type leak detection device configured to check inside of a pipe in real time by photographing while moving inside a rectangular or circular pipe, comprising: a main body; A photographing unit for acquiring image information of the main body traveling direction; A conveying unit that is formed in the main body and conveys the main body within the tube; And a center holding unit configured to hold the main body, which is configured on one or both sides of the front end and the rear end of the main body, at a tube center position,
Wherein the center holding part is fixed to the front end of the main body by fixing means; An extension frame extending from both sides of the main frame and adjusted in length; And a roller wheel formed at an end of the elongate frame and riding an inner surface of the tube,
The main frame includes a first frame having a hollow formed along a longitudinal direction thereof and a first gear groove formed at a center thereof; A second frame spaced apart from the first frame and having a hollow formed along a longitudinal direction thereof and having a second gear groove formed at a central portion thereof so as to face the first gear groove; A gear portion disposed between the first gear groove and the second gear groove and through which gear teeth are drawn into the first frame and the second frame through the respective gear grooves; And a spacing block for mutually fixing the first frame and the second frame in a state of being spaced apart from each other and forming a gear space portion so that the gear portion is disposed at a center of the spacing block, And a flat gear part which is inserted into each hollow of the second frame and engages with the gear part on one side,
Wherein the gear portion is formed with a screw rod integrally formed with the gear portion and extending downwardly therefrom and having a screw thread formed on a side surface thereof, and at least one guide rod is formed at a lower portion of the spacer block, ; And a guide hole passing through the guide rod is formed.

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The method according to claim 1,
Wherein the main frame is formed with a hollow at its center and a fastening hole formed at both sides thereof,
The pair of extension frames are provided at both sides of the main frame to be inserted into the hollows, so that a plurality of spacing holes are formed at regular intervals, and 'A' -shaped fastening pins are simultaneously inserted into the spacer holes and the fastening holes And the mutual length is adjusted.

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The method according to claim 1,
Wherein the extension frame has a point symmetric structure in which each end of the roller wheel is doubly bent so that the center of the roller wheel is positioned on the same line as the center of the gear part.

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