Heat supply pipeline leakage detection device in urban central heat supply pipe network

Abstract

The utility model discloses a heat supply pipeline leakage detection device in an urban central heat supply pipe network, and relates to the technical field of pipeline leakage detection. The heat supply pipeline leakage detection device in the urban centralized heat supply pipe network comprises heat supply pipelines, a hoop structure is arranged at the joint of the two heat supply pipelines, the hoop structure is composed of an upper mounting base and a lower mounting base, a water outlet is formed in the outer wall of the bottom of the lower mounting base, and a collection box is slidably connected to the outer side of the lower mounting base. Flow guide plates are uniformly and fixedly connected to the two sides of the inner wall of the collecting box, the flow guide plates are obliquely arranged, a bottom plate is fixedly connected to the outer walls of the bottoms of the two flow guide plates, and absorbent cotton is arranged on the outer wall of the bottom plate. According to the utility model, through the combination of the collection box and the absorbent cotton and the combination of the water leakage sensor, the instant detection of leakage with small water volume is realized, once liquid leakage occurs, the absorbent cotton quickly absorbs and triggers the water leakage sensor, time delay such as waiting for sponge expansion is not needed, and the detection sensitivity and response speed are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline leakage detection, in particular to a heating pipeline leakage detection device in a city's centralized heating pipeline network. Background Art

[0002] The heat supply network is also called heat supply pipeline, which starts from the boiler room, direct-fired machine room, heating center, etc., and leads from the heat source to the heat supply entrance of the building. Multiple heat supply pipelines form a pipe network. Existing heat supply pipelines are prone to rupture and leakage at the joints of the heat supply pipelines when they are corroded by the external environment for a long time. Long-term leakage will cause a large amount of heat source waste. In order to reduce the risk of leakage of the heat supply pipeline, it is necessary to frequently perform leak detection on the joints of the heat supply pipelines.

[0003] After searching, a Chinese patent with announcement number CN216010441U discloses a heating pipe leakage detection device in a city's centralized heating network, including a device as a whole, a top shell and a bottom shell. The top of the device as a whole is fixedly connected to the top of the top shell, a temperature sensor is embedded in the middle of the top of the top shell, warning lights are embedded on both sides of the top of the top shell, the bottom of the top shell is movably connected to the bottom shell, and a buzzer is embedded on the right side of the bottom shell.

[0004] In the above patent, when water leaks inside the heating pipe, the sponge ring expands and squeezes the waterproof button, and the warning mechanism reminds the staff. If the leakage point of the heating pipe is small and the water volume is small, it will take a certain amount of time for the sponge to expand, which is not conducive to timely detection of the leak. Utility Model Content

[0005] The purpose of the utility model is to provide a heating pipeline leakage detection device in a city's centralized heating network, which solves the technical problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heating pipe leakage detection device in a city centralized heating network, comprising a heating pipe, a clamp structure is arranged at the intersection of two heating pipes, the clamp structure is composed of an upper mounting seat and a lower mounting seat, a water outlet is opened on the bottom outer wall of the lower mounting seat, the water outlet is strip-shaped, a collection box is slidably connected to the outer side of the lower mounting seat, guide plates are evenly fixedly connected to the inner walls of the collection box on both sides, the guide plates are inclined, the bottom outer walls of the two guide plates are fixedly connected to the bottom plate, and the outer wall of the bottom plate is provided with absorbent cotton;

[0007] The front outer wall of the collection box is fixedly connected with a water leakage sensor, a position sensor and a controller. The connection terminal of the water leakage sensor is provided with a cable 1 and a cable 2. The ends of the cable 1 and the cable 2 away from the water leakage sensor are provided with a metal probe. The metal probe is arranged inside the collection box, and the outer wall of the metal probe abuts against the bottom outer wall of the absorbent cotton.

[0008] A pressure sensor is arranged on the outer side of the guide plate, and the outer wall of the pressure sensor abuts against the bottom outer wall of the absorbent cotton. The water leakage sensor, the position sensor, the pressure sensor and the controller are electrically connected, and the controller is connected to the user end.

[0009] Preferably, the upper mounting seat and the lower mounting seat are fixed at the junction of two heating pipes, and a limiting screw is interspersed between the outer walls of the upper mounting seat and the lower mounting seat, and the outer wall of the limiting screw is threadedly connected with a bolt.

[0010] Preferably, both side outer walls of the lower mounting seat are fixedly connected with slide rails, and both side outer walls of the collecting box are fixedly connected with sliders, and the outer walls of the sliders are slidably connected with the inner walls of the slide rails.

[0011] Preferably, the guide plate is lower in height near the middle, and the bottom plate is L-shaped.

[0012] Preferably, the outer wall of the guide plate is fixedly connected with a connecting frame, one end of the connecting frame is fixedly connected with a limiting clamp ring, and the outer wall of the metal probe is clamped with the inner wall of the limiting clamp ring.

[0013] Compared with the related art, the heating pipeline leakage detection device in the urban centralized heating network provided by the utility model has the following beneficial effects:

[0014] 1. The utility model provides a heating pipeline leakage detection device in a city's centralized heating network. Through the combination of a collection box and absorbent cotton, combined with a water leakage sensor, it realizes instant detection of leakage with a small amount of water. Once liquid leaks, the absorbent cotton quickly absorbs it and triggers the water leakage sensor. There is no need to wait for time delays such as sponge expansion, which greatly improves the sensitivity and response speed of detection.

[0015] 2. The utility model provides a heating pipe leakage detection device in a city's centralized heating network. In addition to the water leakage sensor, this patent also integrates a pressure sensor, which can simultaneously monitor the pressure changes of the leaking liquid, further assist in judging the leakage situation, and make the detection more accurate.

[0016] 3. The utility model provides a heating pipe leakage detection device in a city's centralized heating network. Through the application of position sensors, it can accurately record and transmit the location information of the leakage point; at the same time, combined with the linkage between the controller and the user end (such as mobile phone APP, monitoring center), a remote alarm function is realized, so that maintenance personnel can respond quickly and locate the leakage point, greatly shortening the fault handling time.

[0017] 4. The utility model provides a heating pipe leakage detection device in a city's centralized heating network. The structure is reasonably designed. The collecting box is connected to the slide rail through a slider, which is convenient for installation and disassembly, and is beneficial for daily maintenance and replacement of consumables such as absorbent cotton. In addition, the entire device has a compact structure and is easy to arrange and install on the heating network. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the cutaway structure of the utility model;

[0020] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0021] Figure 4 This is a schematic diagram of the hoop structure of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the collection box of the utility model;

[0023] Figure 6 This is a schematic diagram of the internal structure of the collection box of the utility model;

[0024] Figure 7 For the utility model Figure 6 Enlarged structural diagram at A in the middle.

[0025] In the figure: 1. Heating pipe; 2. Clamp structure; 201. Upper mounting seat; 202. Lower mounting seat; 3. Limit screw; 4. Drain; 5. Slide rail; 6. Collecting box; 7. Slider; 8. Guide plate; 9. Bottom plate; 10. Water-absorbing cotton; 11. Water leakage sensor; 12. Cable 1; 13. Cable 2; 14. Connecting frame; 15. Limit clamp; 16. Pressure sensor; 17. Position sensor; 18. Controller. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0027] Example:

[0028] See also Figure 1-Figure 7 The utility model provides a technical solution: a heating pipe leakage detection device in a city centralized heating network, comprising a heating pipe 1, a clamp structure 2 is arranged at the junction of two heating pipes 1, the clamp structure 2 is composed of an upper mounting seat 201 and a lower mounting seat 202, a water outlet 4 is provided on the bottom outer wall of the lower mounting seat 202, the water outlet 4 is strip-shaped, a collection box 6 is slidably connected to the outer side of the lower mounting seat 202, guide plates 8 are evenly fixedly connected to the inner wall of the collection box 6 on both sides, the guide plates 8 are tilted, the bottom outer walls of the two guide plates 8 are fixedly connected to the bottom plates 9, and the outer wall of the bottom plates 9 is provided with absorbent cotton 10;

[0029] The front outer wall of the collection box 6 is fixedly connected with a water leakage sensor 11, a position sensor 17 and a controller 18. The connection terminal of the water leakage sensor 11 is provided with a cable 12 and a cable 2 13. The ends of the cable 12 and the cable 2 13 away from the water leakage sensor 11 are provided with metal probes. The metal probes are arranged inside the collection box 6, and the outer walls of the metal probes are in contact with the bottom outer wall of the absorbent cotton 10.

[0030] A pressure sensor 16 is provided on the outside of the guide plate 8, and the outer wall of the pressure sensor 16 abuts against the bottom outer wall of the absorbent cotton 10. The water leakage sensor 11, the position sensor 17, the pressure sensor 16 and the controller 18 are electrically connected, and the controller 18 is connected to the user end.

[0031] In this embodiment, when the heating pipe 1 leaks, the leaked liquid, such as water or heat medium, will flow into the collection box 6 through the drain port 4 on the lower mounting seat 202. The guide plate 8 inside the collection box 6 is tilted so that the inflowing liquid can quickly flow to the L-shaped bottom plate 9 at the bottom, and the absorbent cotton 10 on the bottom plate 9 absorbs the leaked liquid. The water leakage sensor 11 contacts the bottom of the absorbent cotton 10 through the metal probe connected by the cable 1 12 and the cable 2 13. In the environment where the absorbent cotton 10 has liquid, the two cables or the two metal probes will be connected due to the presence of the liquid. The liquid acts as a conductor, so that a conductive path is formed between the two originally insulated poles, and the water leakage sensor 11 transmits the signal to the controller 18.

[0032] The pressure sensor 16 is installed on the outside of the guide plate 8 and in contact with the bottom of the absorbent cotton 10, and is used to monitor the pressure change of the leaking liquid to further assist in judging the leakage situation.

[0033] The controller 18 receives signals from the water leakage sensor 11, the position sensor 17 and the pressure sensor 16 and performs comprehensive processing. Once a leak is detected, the controller 18 will immediately trigger an alarm and send an alarm message to relevant personnel through the user end such as a mobile phone APP, a monitoring center, etc., including detailed information such as the leak location and leak degree. After receiving the alarm message, maintenance personnel can quickly arrive at the site based on the provided location information, conduct further inspection and maintenance work, repair the leak point in time, and ensure the normal operation of the heating network.

[0034] Among them, the upper mounting seat 201 and the lower mounting seat 202 are fixed at the intersection of the two heating pipes 1, and a limiting screw 3 is inserted between the outer walls of the upper mounting seat 201 and the lower mounting seat 202, and the outer wall of the limiting screw 3 is threadedly connected with a bolt.

[0035] In this embodiment, the clamp structure 2 is installed at the junction of two heating pipes 1, and the upper mounting seat 201 and the lower mounting seat 202 are fastened by limit screws 3 to ensure that the device is firmly fixed on the pipe.

[0036] The outer walls on both sides of the lower mounting seat 202 are fixedly connected with the slide rails 5 , the outer walls on both sides of the collection box 6 are fixedly connected with the sliders 7 , and the outer walls of the sliders 7 are slidably connected with the inner walls of the slide rails 5 .

[0037] In this embodiment, the collection box 6 is slidably connected to the slide rail 5 via the slider 7, so that the collection box 6 can be easily installed and disassembled, and the components on the collection box 6 can be repaired and replaced.

[0038] The guide plate 8 is relatively low near the middle, and the bottom plate 9 is L-shaped.

[0039] In this embodiment, when the heating pipe 1 leaks, the guide plate 8 is tilted so that the inflowing liquid can quickly flow to the L-shaped bottom plate 9 at the bottom, and the absorbent cotton 10 on the bottom plate 9 absorbs the leaked liquid.

[0040] The outer wall of the guide plate 8 is fixedly connected with a connecting frame 14 , one end of the connecting frame 14 is fixedly connected with a limiting clamp ring 15 , and the outer wall of the metal probe is clamped with the inner wall of the limiting clamp ring 15 .

[0041] In this embodiment, the metal probe wall is clamped with the limiting clamp ring 15 , and the limiting clamp ring 15 limits and fixes the metal probe so that it is fixed below the absorbent cotton 10 .

[0042] Working principle: The device is installed at the junction of two heating pipes 1 through a clamp structure 2, and is fastened by an upper mounting seat 201 and a lower mounting seat 202 through limit screws 3 to ensure that the device is firmly fixed on the pipe.

[0043] When the heating pipe 1 leaks, the leaked liquid such as water or heat medium will flow into the collection box 6 through the drain port 4 on the lower mounting seat 202. The guide plate 8 inside the collection box 6 is tilted so that the inflowing liquid can quickly flow to the L-shaped bottom plate 9 at the bottom, and the absorbent cotton 10 on the bottom plate 9 absorbs the leaked liquid.

[0044] The water leakage sensor 11 contacts the bottom of the absorbent cotton 10 through a metal probe connected by cable 1 12 and cable 2 13. When there is liquid in the absorbent cotton 10, the two cables or two metal probes will be connected due to the presence of the liquid. The liquid acts as a conductor, forming a conductive path between the originally insulated poles, and the water leakage sensor 11 transmits the signal to the controller 18.

[0045] The pressure sensor 16 is installed on the outside of the guide plate 8 and in contact with the bottom of the absorbent cotton 10, and is used to monitor the pressure change of the leaking liquid to further assist in judging the leakage situation.

[0046] The controller 18 receives signals from the water leakage sensor 11, the position sensor 17 and the pressure sensor 16 and performs comprehensive processing. Once a leak is detected, the controller 18 will immediately trigger an alarm and send an alarm message to relevant personnel through the user end such as a mobile phone APP, a monitoring center, etc., including detailed information such as the leak location and leak degree. After receiving the alarm message, maintenance personnel can quickly arrive at the site based on the provided location information, conduct further inspection and maintenance work, repair the leak point in time, and ensure the normal operation of the heating network.

[0047] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A heating pipeline leakage detection device in a city central heating network, comprising a heating pipeline (1), characterized in that: A clamp structure (2) is provided at the junction of the two heating pipes (1), the clamp structure (2) consisting of an upper mounting seat (201) and a lower mounting seat (202), the bottom outer wall of the lower mounting seat (202) is provided with a water outlet (4), the water outlet (4) is strip-shaped, the outer side of the lower mounting seat (202) is slidably connected to a collection box (6), both sides of the inner wall of the collection box (6) are evenly fixedly connected with guide plates (8), the guide plates (8) are inclined, the bottom outer walls of the two guide plates (8) are fixedly connected with a bottom plate (9), and the outer wall of the bottom plate (9) is provided with absorbent cotton (10); The front outer wall of the collection box (6) is fixedly connected with a water leakage sensor (11), a position sensor (17) and a controller (18); the connection terminal of the water leakage sensor (11) is provided with a cable 1 (12) and a cable 2 (13); the ends of the cable 1 (12) and the cable 2 (13) away from the water leakage sensor (11) are provided with metal probes; the metal probes are arranged inside the collection box (6); the outer walls of the metal probes are in contact with the bottom outer wall of the absorbent cotton (10); A pressure sensor (16) is arranged on the outer side of the guide plate (8), the outer wall of the pressure sensor (16) is in contact with the outer wall of the bottom of the absorbent cotton (10), the water leakage sensor (11), the position sensor (17), the pressure sensor (16) and the controller (18) are electrically connected, and the controller (18) is connected to a user end.

2. A heating pipeline leakage detection device in a city central heating network according to claim 1, characterized in that: The upper mounting seat (201) and the lower mounting seat (202) are fixed at the intersection of the two heating pipes (1), and a limiting screw (3) is inserted between the outer walls of the upper mounting seat (201) and the lower mounting seat (202), and the outer wall of the limiting screw (3) is threadedly connected with a bolt.

3. The heating pipeline leakage detection device in a city central heating network according to claim 1, characterized in that: The outer walls on both sides of the lower mounting seat (202) are fixedly connected to slide rails (5), the outer walls on both sides of the collection box (6) are fixedly connected to sliders (7), and the outer walls of the sliders (7) are slidably connected to the inner walls of the slide rails (5).

4. The heating pipeline leakage detection device in a city central heating network according to claim 1, characterized in that: The guide plate (8) is relatively low in height near the middle, and the bottom plate (9) is L-shaped.

5. The heating pipeline leakage detection device in a city central heating network according to claim 1, characterized in that: The outer wall of the guide plate (8) is fixedly connected to a connecting frame (14), one end of the connecting frame (14) is fixedly connected to a limiting clamp ring (15), and the outer wall of the metal probe is clamped to the inner wall of the limiting clamp ring (15).

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