Comprehensive pipe gallery pipeline leakage analysis device

Abstract

The present invention relates to the technical field of integrated pipe gallery, and provides an integrated pipe gallery pipeline leakage analysis device, comprising a gallery body and a water supply pipe arranged in the inner cavity of the gallery body; a water leakage collection box is sleeved on the water supply pipe; a water leakage metering box which also serves as a pier and supports the water leakage collection box and has an upper end opening is arranged at the bottom of the inner cavity of the gallery body; at least one vertically arranged dripping hole is provided at the bottom of the inner cavity of the water leakage collection box and directly facing the inner cavity of the water leakage metering box; a sound monitor is arranged in the water leakage metering box; a water collection pit connected to the inner cavity of the water leakage metering box is arranged below the water leakage metering box. The present invention can measure the water leakage of the water supply pipe in the early stage of water leakage, so that maintenance personnel can obtain the degree of water leakage of the water supply pipe, and then provide maintenance personnel with a suitable maintenance plan.

Description

Technical Field

[0001] The invention relates to the technical field of integrated pipe gallery, in particular to a pipeline leakage analysis device for an integrated pipe gallery. Background Art

[0002] The comprehensive pipeline corridor, also known as the underground urban pipeline comprehensive corridor, is a tunnel space built underground in the city, which integrates various engineering pipelines such as electricity, communications, gas, heating, water supply and drainage, and is equipped with special inspection ports, lifting ports and monitoring systems. It implements unified planning, design, construction and management, and is an important infrastructure and lifeline to ensure the operation of the city.

[0003] Due to the large number and variety of pipelines in the integrated pipe gallery, there is a risk of leakage or even bursting of water supply pipes during long-term use. When water supply pipes leak or burst, water splashes, which can easily cause water accumulation inside the integrated pipe gallery. In severe cases, it can cause a short circuit in live cables, affecting the safety of other cables.

[0004] At present, a commonly used measure is to place the water supply pipe in a temporary protective cover so that the water supply pipe is located in a closed space. When the water supply pipe leaks or bursts, the water in the water supply pipe flows into the protective cover and is then discharged through the leakage channel on the protective cover. In this way, water accumulation will not occur in the integrated pipe gallery, thereby avoiding adverse effects on live cables in the integrated pipe gallery. However, this measure cannot obtain the amount of water leakage in the water supply pipe, nor can it enable maintenance personnel to obtain the degree of water leakage in the water supply pipe, let alone provide maintenance personnel with a suitable maintenance plan. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a pipeline leakage analysis device for a comprehensive pipe gallery, which can measure the leakage amount of a water supply pipe after the water supply pipe leaks.

[0006] The technical solution adopted by the present invention to solve its technical problems is: a pipeline leakage analysis device for a comprehensive pipe gallery, comprising a gallery body and a water supply pipe arranged in the inner cavity of the gallery body; a water leakage collection box is sleeved on the water supply pipe; a water leakage metering box which serves as a pier and supports the water leakage collection box and has an open upper end is arranged at the bottom of the inner cavity of the gallery body; at least one dripping hole is vertically arranged at the bottom of the inner cavity of the water leakage collection box and at a position directly facing the inner cavity of the water leakage metering box; a sound monitor is arranged in the water leakage metering box; and a water collection pit connected to the inner cavity of the water leakage metering box is arranged below the water leakage metering box.

[0007] Furthermore, the bottom surface of the inner cavity of the leakage collection box is a concave structure with a low middle and high periphery.

[0008] Furthermore, the drip hole is arranged at the lowest position of the bottom surface of the inner cavity of the leakage collection box.

[0009] Furthermore, a leakage collection box with an open upper end is arranged in the inner cavity of the leakage metering box; a vertically arranged drainage hole is provided at the bottom of the inner cavity of the leakage collection box and directly opposite to the inner cavity of the leakage collection box; a low-level drainage hole is arranged on the side wall of the leakage collection box; a low-level laser emitter for emitting a laser beam to the low-level drainage hole is arranged in the leakage collection box; and a bottom wall photosensitive layer is arranged on the bottom surface of the inner cavity of the leakage metering box.

[0010] Furthermore, a high-position drainage hole located above the low-position drainage hole is arranged on the side wall of the water leakage collection box; and a high-position laser emitter for emitting a laser beam to the high-position drainage hole is arranged in the water leakage collection box.

[0011] Furthermore, a side wall photosensitive layer is provided on the side wall of the inner cavity of the water leakage metering box and at a position directly facing the high-position laser emitter.

[0012] Furthermore, the low-position drainage hole and the high-position drainage hole are arranged horizontally and parallel to each other.

[0013] Furthermore, an overflow port located above the high-position drainage hole is provided on the side wall of the water leakage collection box.

[0014] The beneficial effects of the present invention are as follows: the integrated pipe gallery pipeline leakage analysis device provided in the embodiment of the present invention can not only discharge the leakage of the water supply pipe into the sump through the leakage collection box and the leakage metering box to prevent water accumulation in the integrated pipe gallery and avoid adverse effects on the live cables in the integrated pipe gallery, but also can calculate the leakage amount of the water supply pipe in the early stage of the leakage of the water supply pipe, so that maintenance personnel can obtain the leakage degree of the water supply pipe, and then provide maintenance personnel with a suitable maintenance plan. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below; obviously, the drawings described below are only some embodiments recorded in the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a structural schematic diagram of a pipeline leakage analysis device for an integrated pipe gallery provided by an embodiment of the present invention;

[0017] Figure 2 It is a partially enlarged view of the comprehensive pipe gallery pipeline leakage analysis device provided in an embodiment of the present invention.

[0018] The reference numbers in the figure are: 1-corridor, 2-water supply pipe, 3-leakage collection box, 4-leakage metering box, 5-drip hole, 6-sound monitor, 7-sump, 8-leakage collection box, 9-drainage hole, 10-low-level drainage hole, 11-low-level laser transmitter, 12-bottom wall photosensitive layer, 13-high-level drainage hole, 14-high-level laser transmitter, 15-side wall photosensitive layer, 16-overflow port, 17-cover plate, 18-bracket, 19-cable, 20-drainage port. DETAILED DESCRIPTION

[0019] In order to make those skilled in the art better understand the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. In the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0020] Embodiment 1:

[0021] See also Figure 1 , Figure 2 The comprehensive pipe gallery pipeline leakage analysis device provided by the embodiment of the present invention comprises a gallery body 1 and a water supply pipe 2 arranged in the inner cavity of the gallery body 1; a water leakage collection box 3 is sleeved on the water supply pipe 2; a water leakage metering box 4 which also serves as a pier and supports the water leakage collection box 3 and has an upper end opening is arranged at the bottom of the inner cavity of the gallery body 1; at least one dripping hole 5 is vertically arranged at the bottom of the inner cavity of the water leakage collection box 3 and directly facing the inner cavity of the water leakage metering box 4; a sound monitor 6 is arranged in the water leakage metering box 4; a water collection pit 7 connected to its inner cavity is arranged below the water leakage metering box 4.

[0022] The gallery 1 is surrounded by a bottom plate and two oppositely arranged side plates, and is used to be buried underground; an openable cover 17 is provided on the top of the gallery 1. Multiple layers of brackets 18 are fixed on both sides of the inner cavity of the gallery 1, and cables 19 are supported on each layer of brackets 18. The cables 19 can be various existing cables such as communication cables and high-voltage cables. The water supply pipe 2 is arranged in the inner cavity of the gallery 1 and is located between the brackets 18 on the left and right sides, and is used for water transportation.

[0023] The water leakage collection box 3 is sleeved on the water supply pipe 2 to isolate the water supply pipe 2 from other pipelines. When the water supply pipe 2 leaks, the leaked water flows into the water leakage collection box 3 to avoid the leakage from causing adverse effects on other pipelines. Since the water supply pipe 2 is prone to leakage at the weld position, in this embodiment, the water leakage collection box 3 is preferably sleeved at the weld position on the water supply pipe 2. According to actual conditions, one or more water leakage collection boxes 3 can be set on the water supply pipe 2. Of course, if there are other locations prone to water leakage in the water supply pipe 2, water leakage collection boxes 3 should also be set at these locations prone to water leakage.

[0024] Specifically, the water leakage collection box 3 is a rectangular parallelepiped structure surrounded by a top plate, a bottom plate and two pairs of side plates. A pair of through holes for the water supply pipe 2 to pass through is provided on one pair of side plates of the water leakage collection box 3. The water supply pipe 2 passes through the pair of through holes and is sealed, and the leak-prone position on the water supply pipe 2 is located inside the water leakage collection box 3. Preferably, the water supply pipe 2 contacts the bottom surface of the inner cavity of the water leakage collection box 3, so that the water supply pipe 2 is mainly supported by the bottom plate of the water leakage collection box 3, thereby increasing the contact area between the water leakage collection box 3 and the water supply pipe 2 and improving the reliability of the support.

[0025] The leakage metering box 4 also serves as a pier, which is used to be fixed at the bottom of the inner cavity of the corridor 1 and is located directly below the leakage collection box 3. The top of the leakage metering box 4 contacts the bottom of the leakage collection box 3, and then the leakage collection box 3 is supported by the leakage metering box 4. The leakage metering box 4 is a rectangular structure with an upper end open and surrounded by a bottom plate and two pairs of side plates. Preferably, the bottom plate of the leakage metering box 4 is a part of the bottom plate of the corridor 1. The drip hole 5 is vertically arranged on the bottom plate of the leakage collection box 3, firstly used to connect the inner cavity of the leakage collection box 3 with the inner cavity of the leakage metering box 4, so that in the case of a small amount of water leakage, the leakage in the leakage collection box 3 mainly drips into the leakage metering box 4 through the drip hole 5. The sound monitor 6 is installed in the leakage metering box 4 for monitoring sound; the sound monitor 6 is connected to the control and management center by wired or wireless means, and is used to transmit the monitored specific sound and data to the control and management center. The control management center can be a computer, a smart phone, a server, a PAD, an IPA, a tablet, etc. In the case of a small water leak, when water drips into the leak meter box 4 through the drip hole 5, the sound monitor 6 monitors the dripping sound and counts it at the same time, and transmits the signal to the control management center so that the management personnel can measure the leakage amount of the water supply pipe 2.

[0026] The sump 7 is arranged below the leaking metering box 4; a drain port 20 connected to the sump 7 is arranged on the bottom plate of the leaking metering box 4. The sump 7 is arranged to discharge the water in the leaking metering box 4 into the sump 7 in time, and then drain away through the sump 7.

[0027] The integrated pipe gallery pipeline leakage analysis device provided by the embodiment of the present invention is suitable for measuring the leakage of the water supply pipe 2 when the water supply pipe 2 has a small leakage. During operation, when the sound monitor 6 only detects the sound of dripping water, it indicates that the water supply pipe 2 is leaking and is in a state of small leakage. At this time, the water in the water supply pipe 2 first flows into the leakage collection box 3, then drips into the leakage metering box 4 through the drip hole 5, and then is discharged into the sump 7 through the drain port 20; within the specified time t, the sound monitor 6 detects n drops of water dripping from the drip hole 5, and transmits the data to the control management center; then the management personnel can measure the leakage of the water supply pipe 2 Q0=nV0 / t; wherein, V0 is the volume of a water drop, which can be calibrated in advance.

[0028] In the early stage of water leakage in the water supply pipe 2, since the amount of water leakage is small, in order to facilitate the water leakage to collect on the bottom surface of the inner cavity of the leakage collection box 3, the bottom surface of the inner cavity of the leakage collection box 3 is a concave structure with a low middle and high surroundings. Preferably, the drip hole 5 is set at the lowest position of the bottom surface of the inner cavity of the leakage collection box 3.

[0029] Embodiment 2:

[0030] When a large water leakage occurs in the water supply pipe 2 , the leakage amount of the water supply pipe 2 is greater than the dripping amount of the drip hole 5 , and the water leakage amount of the water supply pipe 2 cannot be accurately measured by the above method.

[0031] In order to measure the leakage amount of the water supply pipe 2 in the case of a large leakage, preferably, refer to Figure 1 , Figure 2 A leakage collection box 8 with an upper opening is arranged in the inner cavity of the leakage metering box 4; a vertically arranged drainage hole 9 is provided at the bottom of the inner cavity of the leakage collection box 3 and directly opposite to the inner cavity of the leakage collection box 8; a low-level drainage hole 10 is arranged on the side wall of the leakage collection box 8; a low-level laser emitter 11 for emitting a laser beam to the low-level drainage hole 10 is arranged in the leakage collection box 8; a bottom wall photosensitive layer 12 is arranged on the bottom surface of the inner cavity of the leakage metering box 4.

[0032] The leakage collection box 8 is an upper open structure surrounded by a bottom plate and a circle of side walls, which is arranged in the inner cavity of the leakage metering box 4 and deviates from the position of the drip hole 5. Preferably, the bottom plate of the leakage collection box 8 is a part of the bottom plate of the leakage metering box 4. A drainage hole 9 is arranged on the bottom plate of the leakage collection box 3 at a position directly opposite to the inner cavity of the leakage collection box 8. When a large leakage occurs in the water supply pipe 2, the leakage mainly flows into the leakage collection box 8 through the drainage hole 9. The low-level drainage hole 10 is arranged on the side wall of the leakage collection box 8, and the low-level drainage hole 10 has a predetermined height to the bottom surface of the inner cavity of the leakage metering box 4, so that the water in the leakage collection box 8 can be discharged to the bottom surface of the leakage metering box 4 in the form of a parabola through the low-level drainage hole 10. A bottom wall photosensitive layer 12 is provided on the bottom surface of the inner cavity of the leakage metering box 4; the bottom wall photosensitive layer 12 is a coating that is coated with photosensitive material on the bottom surface of the inner cavity of the leakage metering box 4 and plays a photosensitive role, and is used to identify the position of light. In this embodiment, the bottom wall photosensitive layer 12 is used to identify the position of the laser beam; through the cooperation of the bottom wall photosensitive layer 12 and the low-level laser emitter 11, the flow rate of water discharged from the low-level drainage hole 10 is obtained. Specifically, the low-level laser emitter 11 is installed in the leakage collection box 8 and is arranged directly opposite the low-level drainage hole 10; the low-level laser emitter 11 is connected to the control management center in a wired or wireless manner. When the leaking water is discharged from the low-level drainage hole 10, the low-level laser emitter 11 emits a laser beam and passes through the water flow of the low-level drainage hole 10. The laser is totally reflected in the water flow, and the laser propagates along the direction of the water flow, and then propagates to the bottom wall photosensitive layer 12 to obtain the water flow velocity.

[0033] The integrated pipe gallery pipeline leakage analysis device provided by the embodiment of the present invention is suitable for measuring the leakage of the water supply pipe 2 when the water supply pipe 2 has a large leakage. During operation, when the sound monitor 6 detects a sound of water flow, it indicates that the water supply pipe 2 has a leakage and is in a state of large leakage. At this time, the water in the water supply pipe 2 first flows into the leakage collection box 3, and then mainly flows into the leakage collection box 8 through the drainage hole 9, and then flows into the leakage metering box 4 through the low-level drainage hole 10, and then flows into the sump 7 through the drainage port 20; in this process, the low-level laser transmitter 11 measures the water flow velocity v1, and transmits the data to the control management center; then the management personnel can measure the leakage of the water supply pipe 2 per unit time Q1=A1v1; wherein A1 is the area of ​​the low-level drainage hole 10. Since the amount of water discharged from the low-level drainage hole 10 is much greater than the amount of water discharged through the drip hole 5, the amount of water discharged through the drip hole 5 is ignored here.

[0034] In order to increase the maximum drainage volume of the water leakage collection box 8, a high-position drainage hole 13 located above the low-position drainage hole 10 is provided on the side wall of the water leakage collection box 8; a high-position laser emitter 14 for emitting a laser beam to the high-position drainage hole 13 is provided in the water leakage collection box 8. Preferably, the low-position drainage hole 10 and the high-position drainage hole 13 are arranged horizontally and parallel to each other.

[0035] The high-position laser emitter 14 is installed in the water leakage collection box 8 and is arranged opposite to the high-position drainage hole 13; the high-position laser emitter 14 is connected to the control management center by wired or wireless means, and cooperates with the bottom wall photosensitive layer 12 to obtain the flow rate of water discharged from the high-position drainage hole 13. During operation, when the sound monitor 6 detects the sounds of two streams of water, it indicates that the water supply pipe 2 is leaking and is in a state of greater leakage. At this time, the water in the water supply pipe 2 first flows into the leakage collection box 3, and then mainly flows into the leakage collection box 8 through the drainage hole 9, and then is discharged to the leakage metering box 4 through the low-level drainage hole 10 and the high-level drainage hole 13 at the same time, and then is discharged to the sump 7 through the drainage port 20; in this process, the low-level laser transmitter 11 measures the water flow velocity v1, and the high-level laser transmitter 14 measures the water flow velocity v2, and transmits the data to the control and management center; then the management personnel can calculate the leakage amount Q2=A1v1+A2v2 of the water supply pipe 2 per unit time; wherein A2 is the area of ​​the high-level drainage hole 13.

[0036] In the above embodiment, the size of the inner cavity of the leakage meter box 4 should ensure that the water discharged from the high-position drainage hole 13 falls on the bottom wall photosensitive layer 12; however, in some embodiments, the size of the inner cavity of the leakage meter box 4 is relatively small, causing the water discharged from the high-position drainage hole 13 to fall on the side wall of the inner cavity of the leakage meter box 4, thereby causing inaccurate leakage measurement. In order to ensure the accuracy of leakage measurement, preferably, a side wall photosensitive layer 15 is provided on the side wall of the inner cavity of the leakage meter box 4 and directly opposite the high-position laser emitter 14. During operation, the water discharged from the high-position drainage hole 13 can fall on the bottom wall photosensitive layer 12 or the side wall photosensitive layer 15, and then the high-position laser emitter 14 cooperates with the bottom wall photosensitive layer 12 or the side wall photosensitive layer 15 to measure the water flow velocity discharged from the high-position drainage hole 13.

[0037] When the water supply pipe 2 bursts, and the amount of water leakage after the burst is greater than the maximum drainage capacity of the leakage collection box 8, in order to drain the leakage in time, preferably, an overflow port 16 located above the high-level drainage hole 13 is provided on the side wall of the leakage collection box 8. In this way, in the event of a burst in the water supply pipe 2, the leakage can be drained in time from the overflow port 16. In this embodiment, the overflow port 16 is a notch provided on the top of the side wall of the leakage collection box 8, and the notch is located directly above the high-level drainage hole 13. During operation, when the sound monitor 6 detects the sound of water flow collision, it indicates that the leakage is discharged from the overflow port 16. At this time, it can be determined that the water supply pipe 2 bursts. Since the water flow is large, the existing conventional method for measuring the amount of water leakage due to the burst can be used, which will not be repeated here.

[0038] The integrated pipe gallery pipeline leakage analysis device provided in the embodiment of the present invention can measure the leakage amount from the extremely small leakage of the water supply pipe 2 to the burst pipe, so that maintenance personnel can obtain the leakage degree of the water supply pipe and provide a suitable maintenance plan for the maintenance personnel.

[0039] See also Figure 1 , Figure 2 As an implementation method, the center lines of all the drip holes 5 are located in the same vertical plane as the laser beams emitted by the low-position laser emitters 11 or the high-position laser emitters 14. In this way, when water drips from the drip holes 5 into the water leakage metering box 4, the water droplets will intersect with the laser beams in the same vertical plane during the falling process, thereby blocking the laser beams. Therefore, the number of times the beams emitted by the laser emitters are blocked by water droplets can be used to measure the amount of water leakage in the water supply pipe 2 when the amount of water leakage is small.

[0040] The following is an example in which the center lines of all the drip holes 5 and the laser beam emitted by the low-level laser emitter 11 are located in the same vertical plane: when the water supply pipe 2 is in a state of small water leakage, the leaking water mainly drips into the leakage metering box 4 through the drip holes 5, and there is no water flow in the low-level drainage hole 10. The laser beam emitted by the low-level laser emitter 11 passes through the low-level drainage hole 10, and the water droplets intersect with the laser beam during the falling process; at the specified time t ′ The laser beam emitted by the low-position laser emitter 11 is blocked by water droplets for n ′ Second, the low-level laser transmitter 11 transmits the recorded data to the control management center; then the management personnel can calculate the leakage amount Q0 of the water supply pipe 2 ′ =n ′ V0 / t ′ ; Among them, V0 is the volume of a water droplet, which can be calibrated in advance.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A pipeline leakage analysis device for a comprehensive pipe gallery, comprising a gallery body (1) and a water supply pipe (2) arranged in the inner cavity of the gallery body (1); a water leakage collection box (3) is sleeved on the water supply pipe (2); the characteristics are: The bottom of the inner cavity of the corridor (1) is provided with a leakage metering box (4) which also serves as a pier and supports the leakage collection box (3) and has an open upper end; the bottom of the inner cavity of the leakage collection box (3) and a position directly opposite to the inner cavity of the leakage metering box (4) has at least one dripping hole (5) arranged vertically; the leakage metering box (4) is provided with a sound monitor (6); a sump (7) communicating with the inner cavity of the leakage metering box (4) is arranged below the leakage metering box (4); a leakage collection box (8) with an open upper end is arranged in the inner cavity of the leakage metering box (4); the bottom of the inner cavity of the leakage collection box (3) and a position directly opposite to the inner cavity of the leakage collection box (8) has a drain hole (9) arranged vertically; A low-position drainage hole (10) is provided on the side wall of the water leakage collection box (8); a low-position laser emitter (11) for emitting a laser beam toward the low-position drainage hole (10) is provided inside the water leakage collection box (8); and a bottom wall photosensitive layer (12) is provided on the bottom surface of the inner cavity of the water leakage metering box (4).

2. The integrated pipe gallery pipeline leakage analysis device according to claim 1 is characterized in that: The bottom surface of the inner cavity of the leakage collection box (3) is a concave structure with a low middle and high periphery.

3. The device for analyzing leakage of pipelines in a comprehensive pipe gallery according to claim 2 is characterized in that: The drip hole (5) is arranged at the lowest position of the bottom surface of the inner cavity of the water leakage collection box (3).

4. The comprehensive pipe gallery pipeline leakage analysis device according to claim 1 is characterized in that: A high-position drainage hole (13) located above the low-position drainage hole (10) is provided on the side wall of the water leakage collection box (8); and a high-position laser emitter (14) for emitting a laser beam toward the high-position drainage hole (13) is provided in the water leakage collection box (8).

5. The integrated pipe gallery pipeline leakage analysis device according to claim 4 is characterized in that: A side wall photosensitive layer (15) is provided on the side wall of the inner cavity of the water leakage metering box (4) and at a position directly facing the high-position laser emitter (14).

6. The integrated pipe gallery pipeline leakage analysis device according to claim 4 is characterized in that: The low-position drainage hole (10) and the high-position drainage hole (13) are arranged horizontally and parallel to each other.

7. The device for analyzing leakage of pipelines in a comprehensive pipe gallery according to claim 4 is characterized in that: An overflow port (16) located above the high-position drainage hole (13) is provided on the side wall of the water leakage collection box (8).

Images