Water leakage monitoring device for air cooler of tubular generator set

Abstract

The utility model discloses a water leakage monitoring device for an air cooler of a tubular generator set, which comprises an air pipe, a water leakage sensor and a cooler, a cooling cavity is arranged in the middle of the air pipe, the water leakage sensor is arranged at the bottom of the cooling cavity, the cooler is arranged on the surface of the air pipe and positioned right above the cooling cavity, and the water leakage sensor is arranged in the cooling cavity. A drainage assembly is arranged at the position, located on one side of the water leakage sensor, of the bottom of the cooling cavity. The drainage assembly comprises a drainage pile, a storage cavity, an air pump, a piston plate, a drainage tank, a water collection tank and a drainage pipe. Through the designed cooling cavity, the designed water leakage sensor and the designed water drainage assembly, water leakage monitoring and water drainage work of the cooler can be completed, when water leakage happens to the cooler, leaked water can be gathered at the lowermost portion of the cooling cavity and make contact with the water leakage sensor, and therefore the water leakage problem is detected, meanwhile, a piston plate on the water drainage assembly is started, and water leakage is detected. Leaked water is discharged through the water draining tank, the water collecting tank and the water discharging pipe, and the generator set is prevented from being damaged by leaked water.

Description

TECHNICAL FIELD

[0001] The utility model belongs to water conservancy and hydropower monitoring technical field, concretely relates to a kind of air cooling device leakage monitoring devices of tubular generator unit. BACKGROUND

[0002] In hydropower station, tubular generator unit is important power generation equipment, and air cooling device is one of its key auxiliary equipment, air cooling device, i.e. air cooler, is a kind of equipment using air as cooling medium, cooling and radiating specified area.

[0003] However, due to manufacturing defects, long time running aging and other reasons, air cooling device is prone to water leakage problem.Water leakage not only affects the normal operation of generator unit, but also can cause motor stator, rotor damage, and even cause greater safety accident, therefore, tubular generator unit air cooling device leakage monitoring device needs to be designed to solve this problem. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of tubular generator unit air cooling device leakage monitoring device to solve the problem that air cooling device is easily damaged generator unit once water leakage occurs in the above background technique.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of tubular generator unit air cooling device leakage monitoring device, including air pipe and water leakage sensor, and cooler, the middle part of air pipe is provided with cooling cavity, the water leakage sensor is installed at the bottom of cooling cavity, the cooler is installed on the surface of air pipe and is located in the position of the top of cooling cavity, the bottom of cooling cavity is located in the side of water leakage sensor and is provided with drainage assembly, the drainage assembly includes drainage stake, storage cavity, air pump, piston plate, water leakage groove, water collecting tank and drain pipe, the storage cavity is opened in the inside of drainage stake, the air pump is installed in storage cavity, the output shaft of air pump top is fixedly connected with piston plate, the piston plate is blocked in the top of storage cavity, the inside wall of one side of storage cavity is opened with water leakage groove, the bottom end of water leakage groove is opened with water collecting tank, and the drain pipe is connected on one side of water collecting tank.

[0006] Preferably, the inside wall of both sides of the cooling cavity is inclined, and inclined towards the water leakage sensor.

[0007] Preferably, the surface of the piston plate is adapted to the inner wall of the cooling cavity, and the outer edge of the piston plate is in close contact with the inner wall of the storage cavity.

[0008] Preferably, the drainage assembly further includes a through groove and an electric wire, the through groove is opened between the water leakage sensor and the storage cavity, the electric wire is arranged in the through groove and connects the water leakage sensor and the air pump.

[0009] Preferably, the cooler comprises a cooler body and a plug-in slot, the plug-in slot is arranged on the surface of the air pipe and located at the position directly above the cooling cavity, and the cooler body is inserted into the plug-in slot.

[0010] Preferably, the cooler further comprises an edge sealing plate, the edge sealing plate is fixed to the outer surface of the cooler body and shields the outside of the plug-in slot.

[0011] Preferably, the cooler further comprises a threaded rod and a nut, the threaded rod is fixed to the outer surface of the air pipe and penetrates through the edge sealing plate, and the nut is threadedly connected to the threaded rod.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] Through the cooling cavity, the water leakage sensor and the drainage assembly, the water leakage monitoring and the drainage work of the cooler can be completed, when the cooler leaks, the leaked water can gather at the lowermost part of the cooling cavity and contact the water leakage sensor, so that the water leakage problem is detected, and meanwhile the piston plate of the drainage assembly is started, the leaked water is drained through the water discharge groove, the water collecting groove and the drainage pipe, and damage of the generator set caused by water leakage is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view of the utility model;

[0015] Figure 2 It is a front view of the drainage assembly of the utility model;

[0016] Figure 3 It is a front view of the utility model Figure 1 It is an enlarged schematic view of the A area of the utility model;

[0017] In the drawing: 100, air pipe; 200, cooling cavity; 400, cooler; 401, cooler body; 402, plug-in slot; 403, edge sealing plate; 404, threaded rod; 405, nut; 500, water leakage sensor; 600, drainage assembly; 601, drainage pile; 602, storage cavity; 603, air pump; 604, piston plate; 605, water discharge groove; 606, water collecting groove; 607, drainage pipe; 608, through groove; 609, electric wire. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection range of the utility model.

[0019] EMBODIMENT

[0020] Please refer to Figures 1 to 3 , for the embodiment of the utility model, this embodiment provides a technical scheme: a through-flow type generator set air cooler water leakage monitoring device, including air pipe 100 and water leakage sensor 500, and cooler 400, the middle part of air pipe 100 is provided with cooling cavity 200, water leakage sensor 500 is installed at the bottom of cooling cavity 200, cooler 400 is installed on the surface of air pipe 100 and is located at the position directly above cooling cavity 200, the right end of air pipe 100 can be connected with fan, the hot air in the inside of generator set can be extracted through air pipe 100, the left side of air pipe 100 is the air inlet position, and the right side is the air outlet position, the hot air flowing in the inside of air pipe 100 is contacted more fully with cooler 400 when passing through cooling cavity 200 due to the fact that the inner diameter of cooling cavity 200 increases, the flow rate of hot air is reduced, so that the cooling effect is better, and the cooling effect is better, hot air is cooled in the inside of cooling cavity 200, and then is re-input into the inside of generator set from the right side of air pipe 100, so as to play a cooling role, once cooler 400 leaks, the leaked water contacts water leakage sensor 500, so that the water leakage problem is detected, the bottom of cooling cavity 200 is provided with drainage assembly 600 on the side of water leakage sensor 500, drainage assembly 600 can drain the leaked water, drainage assembly 600 includes drainage pile 601, storage cavity 602, air pump 603, piston plate 604, water leakage groove 605, water collecting groove 606 and drain pipe 607, storage cavity 602 is arranged in the inside of drainage pile 601, air pump 603 is installed in the inside of storage cavity 602, the output shaft at the top of air pump 603 is fixedly connected with piston plate 604, piston plate 604 is blocked at the top of storage cavity 602, water leakage groove 605 is arranged in the inner wall of one side of storage cavity 602, water collecting groove 606 is arranged at the bottom of water leakage groove 605, and drain pipe 607 is connected to one side of water collecting groove 606, under normal circumstances, piston plate 604 plays a sealing role on cooling cavity 200, and once water leakage occurs, air pump 603 drives piston plate 604 to move downward, exposes water leakage groove 605, the leaked water flows to the inside of water collecting groove 606 through water leakage groove 605, and is finally drained from drain pipe 607.

[0021] In the embodiment, preferably, the inner walls on both sides of the cooling cavity 200 are inclined surfaces and are inclined towards the water leakage sensor 500. As long as water leakage occurs, the leaked water will be collected on the inclined surface of the cooling cavity 200 and then come into contact with the water leakage sensor 500.

[0022] In the embodiment, preferably, the surface of the piston plate 604 is adapted to the inner wall of the cooling cavity 200, and the outer edge of the piston plate 604 is in close contact with the inner wall of the storage cavity 602 to ensure good sealing performance.

[0023] In the embodiment, preferably, the drainage assembly 600 further comprises a through groove 608 and an electric wire 609, the through groove 608 is arranged between the water leakage sensor 500 and the receiving cavity 602, the electric wire 609 is arranged inside the through groove 608 and connects the water leakage sensor 500 and the air pump 603, and the electric signal connection between the water leakage sensor 500 and the air pump 603 is completed.

[0024] In the embodiment, preferably, the cooler 400 comprises a cooler body 401 and a plug-in groove 402, the plug-in groove 402 is arranged on the surface of the air pipe 100 and is located directly above the cooling cavity 200, the cooler body 401 is inserted into the plug-in groove 402, the positioning connection between the cooler body 401 and the air pipe 100 is completed, the cooler 400 further comprises an edge sealing plate 403, the edge sealing plate 403 is fixed on the outer surface of the cooler body 401 and is arranged outside the plug-in groove 402, the plug-in groove 402 is sealed, the cooler 400 further comprises a threaded rod 404 and a nut 405, the threaded rod 404 is fixed on the outer surface of the air pipe 100 and penetrates through the edge sealing plate 403, and the nut 405 is threadedly connected to the threaded rod 404, the fixed installation between the cooler body 401 and the air pipe 100 is completed.

[0025] Although the embodiments of the utility model have been shown and described (see the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A kind of crossflow generator set air cooler water leakage monitoring device, including air pipe (100) and water leakage sensor (500), and cooler (400), it is characterized by: The middle part of the air pipe (100) is provided with a cooling cavity (200), the water leakage sensor (500) is installed at the bottom of the cooling cavity (200), the cooler (400) is installed on the surface of the air pipe (100) and located at the position directly above the cooling cavity (200), the bottom of the cooling cavity (200) is provided with a drainage assembly (600) on the side of the water leakage sensor (500), the drainage assembly (600) comprises a drainage pile (601), a storage cavity (602), an air pump (603), a piston plate (604), a drainage groove (605), a water collecting groove (606) and a drain pipe (607), the storage cavity (602) is arranged in the inside of the drainage pile (601), the air pump (603) is installed in the inside of the storage cavity (602), the output shaft at the top of the air pump (603) is fixedly connected with the piston plate (604), the piston plate (604) is blocked at the top of the storage cavity (602), the inside wall of one side of the storage cavity (602) is provided with the drainage groove (605), the bottom end of the drainage groove (605) is provided with the water collecting groove (606), and the drain pipe (607) is connected to one side of the water collecting groove (606).

2. The water leakage monitoring device for the air cooler of the tubular generator set according to claim 1, characterized in that: The inside walls of the two sides of the cooling cavity (200) are inclined surfaces and are inclined towards the water leakage sensor (500).

3. The water leakage monitoring device for the air cooler of the tubular generator set according to claim 2, characterized in that: The surface of the piston plate (604) is matched with the inner wall of the cooling cavity (200), and the outer edge of the piston plate (604) is tightly attached to the inner wall of the storage cavity (602).

4. The water leakage monitoring device for the air cooler of the tubular generator set according to claim 3, characterized in that: The drainage assembly (600) further comprises a through groove (608) and an electric wire (609), the through groove (608) is arranged between the water leakage sensor (500) and the storage cavity (602), and the electric wire (609) is arranged in the through groove (608) and connects the water leakage sensor (500) and the air pump (603).

5. The water leakage monitoring device for the air cooler of the tubular generator set according to claim 4, characterized in that: The cooler (400) comprises a cooler body (401) and a plug-in groove (402), the plug-in groove (402) is arranged on the surface of the air pipe (100) and located at the position directly above the cooling cavity (200), and the cooler body (401) is inserted into the plug-in groove (402).

6. The water leakage monitoring device for the air cooler of the tubular generator set according to claim 5, characterized in that: The cooler (400) further comprises an edge sealing plate (403), the edge sealing plate (403) is fixed to the outer surface of the cooler body (401) and shields the outside of the plug-in groove (402).

7. The kind of crossflow generator set air cooler water leakage monitoring device according to claim 6, characterized in that: The cooler (400) further comprises a threaded rod (404) and a nut (405), the threaded rod (404) is fixed to the outer surface of the air pipe (100) and penetrates through the edge sealing plate (403), and the nut (405) is threadedly connected to the threaded rod (404).

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