CN220751497U - Leak protection monitoring system - Google Patents
Leak protection monitoring system Download PDFInfo
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- CN220751497U CN220751497U CN202322540224.9U CN202322540224U CN220751497U CN 220751497 U CN220751497 U CN 220751497U CN 202322540224 U CN202322540224 U CN 202322540224U CN 220751497 U CN220751497 U CN 220751497U
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- leakage
- coolant
- monitoring system
- liquid level
- cabinet
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000001816 cooling Methods 0.000 claims abstract description 52
- 239000002826 coolant Substances 0.000 claims abstract description 43
- 238000007654 immersion Methods 0.000 claims abstract description 38
- 238000012806 monitoring device Methods 0.000 claims abstract description 38
- 230000000007 visual effect Effects 0.000 claims description 15
- 230000002265 prevention Effects 0.000 claims description 5
- 239000000110 cooling liquid Substances 0.000 abstract description 6
- 230000009977 dual effect Effects 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000032750 Device leakage Diseases 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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Abstract
The utility model discloses a leakage-proof monitoring system, which is suitable for a cooling device of a main pump frequency converter, and comprises: the water immersion device comprises a water immersion sensor, a liquid level meter, a controller and a monitoring device; the controller is respectively connected with the water immersion sensor, the liquid level meter and the monitoring device; the water immersion sensor is arranged at the bottom of cooling equipment in the cooling device and is used for collecting liquid leakage signals; the liquid level meter is arranged in a water tank in the cooling device and used for containing coolant and collecting liquid level signals in the water tank; the controller is used for controlling to send an alarm signal to the monitoring device so as to enable the monitoring device to give a leakage alarm. The cooling device of the main pump frequency converter can timely sense the leakage of cooling liquid and the severity of the leakage through the dual monitoring of the water immersion sensor and the liquid level meter.
Description
Technical Field
The utility model relates to the technical field of monitoring, in particular to a leakage-proof monitoring system.
Background
The nuclear power unit generally adopts a main pump frequency converter to provide power for a main pump, and adopts a plurality of frequency converters to respectively drive a plurality of main pumps. During operation of the main pump frequency converter, it is necessary to provide a closed-loop internal cooling device which exchanges heat with the cooling water inside the frequency converter through the heat exchanger of the frequency converter to remove heat generated by the power components of the frequency converter during operation.
The internal cooling device of the main pump frequency converter starts from the coolant cabinet, passes through the power unit cabinet, returns to the coolant cabinet after reaching the phase-shifting transformer cabinet, and forms closed cooling. There are many coolant pipes and joints in each cabinet. If a coolant leak occurs during operation of the main pump inverter, water will be caused to enter the interior of the live transformer or power unit, causing equipment failure. Even the shutdown, shutdown or tripping of a main pump frequency converter of a unit is caused under severe conditions, so that the on-site debugging and the operation production activities are seriously affected.
Currently, leak monitoring for cooling devices is primarily dependent on whether a water immersion sensor is acquiring a liquid leak signal. But the severity of the cooling device leakage cannot be monitored, leading to more serious consequences.
Disclosure of Invention
The utility model provides a leakage-proof monitoring system, which solves the problem that the severity of leakage of a cooling device cannot be monitored, equipment failure or shutdown is caused, and provides powerful support for stable operation of a main pump frequency converter and a unit.
According to an aspect of the present utility model, there is provided a leakage prevention monitoring system adapted to a cooling device of a main pump frequency converter; the leak protection monitoring system includes: the water immersion device comprises a water immersion sensor, a liquid level meter, a controller and a monitoring device; the controller is respectively connected with the water immersion sensor, the liquid level meter and the monitoring device;
the water immersion sensor is arranged at the bottom of cooling equipment in the cooling device and is used for collecting liquid leakage signals; the liquid level meter is arranged in a water tank used for containing coolant in the cooling device and used for collecting liquid level signals in the water tank; the controller is used for controlling to send an alarm signal to the monitoring device so as to enable the monitoring device to give a leakage alarm.
Further, the cooling device in the cooling apparatus includes: a coolant cabinet, a transformer cabinet, and a plurality of power unit cabinets; the water immersion sensor is respectively arranged at the bottoms of the coolant cabinet, the transformer cabinet and each power unit cabinet.
Further, the number of water immersion sensors arranged at the bottoms of the coolant cabinet, the transformer cabinet and each power unit cabinet is N, M and L respectively; wherein N, M and L are integers greater than or equal to 1.
Further, the water tank for containing coolant is provided in the coolant tank.
Further, a visual window is arranged on the side face of the coolant cabinet body and used for observing the liquid level meter.
Further, the liquid level meter is a magnetic flap liquid level meter.
Further, the controller and the monitoring device are disposed in the coolant cabinet.
Further, the monitoring device includes: a display module; the display module is used for displaying an alarm signal corresponding to the liquid leakage signal.
Further, the monitoring device includes: an audible and visual alarm module; the audible and visual alarm module is used for displaying alarm signals corresponding to the liquid level signals.
The embodiment of the utility model provides a leakage-proof monitoring system, which is suitable for a cooling device of a main pump frequency converter and comprises: the water immersion device comprises a water immersion sensor, a liquid level meter, a controller and a monitoring device; the controller is respectively connected with the water immersion sensor, the liquid level meter and the monitoring device; the water immersion sensor is arranged at the bottom of cooling equipment in the cooling device and is used for collecting liquid leakage signals; the liquid level meter is arranged in a water tank in the cooling device and used for containing coolant and collecting liquid level signals in the water tank; the controller is used for controlling to send an alarm signal to the monitoring device so as to enable the monitoring device to give a leakage alarm. The cooling device of the main pump frequency converter can timely sense the leakage of cooling liquid and the severity of the leakage through the dual monitoring of the water immersion sensor and the liquid level meter.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the utility model or to delineate the scope of the utility model. Other features of the present utility model will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a leak-proof monitoring system according to a first embodiment of the present utility model;
fig. 2 is a schematic structural diagram of another leak-proof monitoring system according to a first embodiment of the present utility model.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Fig. 1 is a schematic structural diagram of a leakage-proof monitoring system according to an embodiment of the present utility model, which is applicable to monitoring a cooling device of a main pump inverter for leakage of a cooling fluid. As shown in fig. 1, the leak prevention monitoring system includes: a water immersion sensor 21, a liquid level meter 22, a controller 23 and a monitoring device 24; the controller 23 is respectively connected with the water immersion sensor 21, the liquid level meter 22 and the monitoring device 24;
the water immersion sensor 21 is arranged at the bottom of the cooling device in the cooling device 1 and is used for collecting liquid leakage signals; the liquid level meter 22 is arranged in the water tank 10 for containing the coolant in the cooling device 1 and is used for collecting liquid level signals in the water tank 10; the controller 23 is used for controlling the alarm signal to the monitoring device 24 so as to enable the monitoring device 24 to give a leakage alarm.
The water immersion sensor 21 is based on the principle of liquid conduction, detects whether liquid exists by using an electrode, and converts the liquid into a dry contact output by using the sensor. The level gauge 22 is for measuring the level of the liquid medium in the container. Alternatively, the level gauge 22 may be a magnetic flap level gauge.
In the present embodiment, the water immersion sensor 21 is provided at the bottom of the cooling device in the cooling apparatus 1 for acquiring a liquid leakage signal in the case where the cooling device leaks with coolant; the controller can judge that the cooling device leaks cooling liquid through the liquid leakage signal acquired by the water immersion sensor 21 and generate a first alarm signal. The liquid level meter 22 is arranged in the water tank 10 containing the coolant and is used for collecting a liquid level signal in the water tank 10; the controller can judge the severity of the leakage of the cooling liquid of the cooling device 1 through the liquid level meter 22, for example, if the liquid level meter 22 collects that the liquid level in the water tank 10 is lower than the early warning value, the leakage of the cooling liquid is considered serious, and a second alarm signal is generated. The controller 23 sends the generated alarm signal to the monitoring device, so that the monitoring device 1 gives an alarm according to the alarm signal to prompt the working personnel whether the cooling system leaks and whether the leakage degree is serious. In addition, the embodiment can generate different alarm signals according to different severity degrees of leakage.
Optionally, the controller 23 may be connected to the water sensor 21, the level gauge 22 and the monitoring device 24 through a communication module, so as to implement data communication. The communication module can be based on a wired communication mode, such as an RS485 serial communication mode and the like; wireless communication methods, such as bluetooth, WIFI, etc., may also be employed. The water immersion sensor 21 may send a liquid leakage signal to the controller 23 through the communication module; the liquid level meter 22 can send a liquid level signal to the controller 23 through the communication module; the controller 23 may generate an alarm signal based on the liquid leakage signal and/or the liquid level signal and send the alarm signal to the monitoring device 24 via the communication module.
In an alternative embodiment of the present utility model, the monitoring device 24 includes: the display module and the audible and visual alarm module; the display module is used for displaying an alarm signal corresponding to the liquid leakage signal; the audible and visual alarm module is used for displaying alarm signals corresponding to the liquid level signals.
The display module can be a display large screen in the main control room, and the like. The audible and visual alarm module may be an audible and visual alarm.
In the implementation, when the water immersion sensor detects that the cooling device leaks liquid, the display module displays an alarm signal so that after a master control room operator observes the leakage alarm, the fault can be intervened to prevent the fault from further expanding; when the liquid level meter detects that the liquid level of a water tank in the cooling device is too low, the liquid leakage degree can be considered serious, an alarm is sent out through the audible and visual alarm module, an operator of a main control room is prompted to remove faults as soon as possible, serious consequences are avoided, and powerful support is provided for the stable operation of the main pump frequency converter and the unit.
The utility model provides a leakage-proof monitoring system, which is suitable for a cooling device of a main pump frequency converter, and comprises: the water immersion device comprises a water immersion sensor, a liquid level meter, a controller and a monitoring device; the controller is respectively connected with the water immersion sensor, the liquid level meter and the monitoring device; the water immersion sensor is arranged at the bottom of cooling equipment in the cooling device and is used for collecting liquid leakage signals; the liquid level meter is arranged in a water tank in the cooling device and used for containing coolant and collecting liquid level signals in the water tank; the controller is used for controlling to send an alarm signal to the monitoring device so as to enable the monitoring device to give a leakage alarm. The cooling device of the main pump frequency converter can timely sense the leakage of cooling liquid and the severity of the leakage through double monitoring of the water immersion sensor and the liquid level meter, and powerful support is provided for the stable operation of the main pump frequency converter and the unit.
Example two
Fig. 2 is a schematic structural diagram of another leak-proof monitoring system according to a second embodiment of the present utility model, where the cooling device according to the above embodiment and a specific arrangement position of the leak-proof monitoring system in the cooling device are further defined as: the cooling device in the cooling apparatus 1 includes: a coolant cabinet 11, a transformer cabinet 12, and a plurality of power unit cabinets 13; water logging sensors 21 are provided at the bottom of the coolant tank 11, the transformer tank 12 and each power unit tank 13, respectively.
In the present embodiment, the cooling device 1 may include: a coolant cabinet 11, a transformer cabinet 12 and a plurality of power unit cabinets 13, and form a closed loop cooling system. There are many coolant pipes and joints in each cabinet, and if coolant leakage occurs during operation of the main pump inverter, liquid will enter the live transformer or power unit, causing equipment failure. Therefore, one or more water sensors 21 are required to be provided at the bottom of each of the coolant tank 11, the transformer tank 12 and the plurality of power unit tanks 13, respectively, for monitoring whether or not liquid leakage occurs in the respective tanks.
In an alternative embodiment of the present embodiment, the number of water immersion sensors 21 provided at the bottom of the coolant tank 11, the transformer tank 12 and each power unit tank 13 is N, M and L, respectively; wherein N, M and L are integers greater than or equal to 1.
In the present embodiment, the number of the water immersion sensors 21 provided at the bottom of the coolant tank 11, the transformer tank 12 and each of the power unit tanks 13 is the same, and in other embodiments, the number of the water immersion sensors 21 provided at the bottom of the coolant tank 11, the transformer tank 12 and each of the power unit tanks 13 may be different.
Optionally, a water tank 10 for containing coolant is provided in the cavity of the coolant tank 11; the side of the cabinet body of the coolant cabinet 11 is provided with a visual window for observing the level gauge 22.
In the present embodiment, a water tank 10 (not shown in fig. 2) containing coolant is provided in a cavity of the coolant tank 11, and a level gauge 22 for detecting a water tank level is placed in the water tank 10. The side surface of the cabinet body of the coolant cabinet 11 is provided with a visual window, and the visual window can be made of transparent materials such as glass, so that a patrol inspector can observe liquid level information displayed on the liquid level meter through the visual window.
In an alternative embodiment of the utility model, the controller 23 and the monitoring device 24 are arranged in the coolant cabinet 11.
In the present embodiment, the controller 23 and the monitoring device 24 are provided in the coolant tank 11 of the cooling device in a concentrated manner, facilitating the later maintenance and the routine maintenance.
In other embodiments, the controller may also be provided in other cabinets, such as a power cell cabinet or a transformer cabinet. The monitoring device may be located in a central control room.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present utility model may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present utility model are achieved, and the present utility model is not limited herein.
The above embodiments do not limit the scope of the present utility model. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (9)
1. A leakage-proof monitoring system, characterized by a cooling device (1) adapted to a main pump frequency converter; the leak protection monitoring system (2) comprises: a water immersion sensor (21), a liquid level meter (22), a controller (23) and a monitoring device (24); the controller (23) is respectively connected with the water immersion sensor (21), the liquid level meter (22) and the monitoring device (24);
the water immersion sensor (21) is arranged at the bottom of cooling equipment in the cooling device (1) and is used for collecting liquid leakage signals; the liquid level meter (22) is arranged in a water tank (10) for containing coolant in the cooling device (1) and is used for collecting liquid level signals in the water tank (10); the controller (23) is used for controlling to send out an alarm signal to the monitoring device (24) so as to enable the monitoring device (24) to give out leakage alarm.
2. Leak protection monitoring system according to claim 1, characterized in that the cooling device in the cooling apparatus (1) comprises: a coolant cabinet (11), a transformer cabinet (12) and a plurality of power unit cabinets (13); the water immersion sensor (21) is respectively arranged at the bottoms of the coolant cabinet (11), the transformer cabinet (12) and each power unit cabinet (13).
3. The leakage prevention monitoring system according to claim 2, wherein the number of water immersion sensors (21) provided at the bottom of the coolant tank (11), the transformer tank (12) and each power unit tank (13) is N, M and L, respectively; wherein N, M and L are integers greater than or equal to 1.
4. Leak protection monitoring system according to claim 2, characterized in that the water tank (10) for containing coolant is arranged in a cavity of the coolant tank (11).
5. The leakage prevention monitoring system according to claim 4, characterized in that the side of the cabinet body of the coolant cabinet (11) is provided with a visual window for observing the level gauge (22).
6. The leak protection monitoring system of any one of claims 1, 4, and 5, wherein the level gauge (22) is a magnetic flap level gauge.
7. The leakage prevention monitoring system according to claim 2, characterized in that the controller (23) and the monitoring device (24) are provided in the coolant cabinet (11).
8. The leak protection monitoring system of claim 1, wherein the monitoring device (24) comprises: a display module; the display module is used for displaying an alarm signal corresponding to the liquid leakage signal.
9. The leak protection monitoring system of claim 1 or 8, wherein the monitoring device (24) comprises: an audible and visual alarm module; the audible and visual alarm module is used for displaying alarm signals corresponding to the liquid level signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322540224.9U CN220751497U (en) | 2023-09-19 | 2023-09-19 | Leak protection monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322540224.9U CN220751497U (en) | 2023-09-19 | 2023-09-19 | Leak protection monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220751497U true CN220751497U (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322540224.9U Active CN220751497U (en) | 2023-09-19 | 2023-09-19 | Leak protection monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220751497U (en) |
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2023
- 2023-09-19 CN CN202322540224.9U patent/CN220751497U/en active Active
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