CN219452361U - Automatic start-stop control system of leakage water pump - Google Patents
Automatic start-stop control system of leakage water pump Download PDFInfo
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- CN219452361U CN219452361U CN202320420157.4U CN202320420157U CN219452361U CN 219452361 U CN219452361 U CN 219452361U CN 202320420157 U CN202320420157 U CN 202320420157U CN 219452361 U CN219452361 U CN 219452361U
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Abstract
The utility model relates to an automatic start-stop control system of a leakage water pump, which comprises a communication well, wherein the communication well is fixedly connected with the bottom of the leakage water well and is positioned in the leakage water well, one end of the communication well is provided with a through hole communicated with the leakage water well, and the through hole is used for water inflow of the communication well; the radar is internally provided with a processor which is used for receiving the time difference between the emission of the radar and the reflection of electromagnetic waves and calculating the liquid level information of the communication well; the input end of the control module is connected with the radar, the output end of the control module is connected with the water pump start-stop relay, a first preset value of the liquid level height is arranged in the control module, and when the liquid level height information of the communication well reaches the first preset value of the liquid level height, the output end of the control module sends an on or off signal to the water pump start-stop relay; the radar and the measured medium are contactless, so that the influence of corrosion is avoided, meanwhile, a communication well is arranged, the phenomenon that the radar transmits wrong liquid level height information to the control module due to overlarge fluctuation of the liquid level in radar measurement is avoided, and finally, the water pump is caused to malfunction and waste electric power is avoided.
Description
Technical Field
The utility model relates to the technical field of drainage, in particular to an automatic start-stop control system of a leakage water pump.
Background
The existing automatic start-stop control loop of the water pump of the seepage water well has high daily maintenance intensity, certain personal safety risk exists in the maintenance operation in a limited space when personnel enter the well, meanwhile, the control precision is low, the water pump is not triggered to pump water when the liquid level in the seepage water well rises beyond a set value, equipment for measuring the liquid level height in the seepage water well is in long-term contact with the liquid in the water well, the equipment is easily corroded due to environmental influence, misoperation or refusal of the water pump is easily caused, and the equipment is frequently replaced in the later equipment well maintenance; in addition, the error of the liquid level measurement equipment is increased due to long-time corrosion, the leakage water well is often drained, the water pump refuses to operate, the potential safety hazard that the water level of the leakage water well cannot be controlled normally is caused, meanwhile, the fluctuation of the liquid level in the leakage water well is easily caused in the drainage process due to the fact that the water displacement of a power plant is large, the actual water level is normal, the error of the liquid level measurement finally causes the misoperation of the water pump, the operation time of the leakage water pump is increased due to the misoperation of the water pump, and the wasted electric power is also increased.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides an automatic start-stop control system for a leakage water pump, which is characterized in that a communicating well is arranged in a leakage water well, and a through hole communicated with the leakage water well is formed at the bottom of the communicating well, so that the phenomenon that the water pump is wrongly operated due to the fact that the radar measurement error is caused by large fluctuation of the liquid level in the process of draining water into the leakage water well, and the electric power waste is caused is avoided, and on the other hand, the radar is not in direct contact with a measured medium, and the accuracy of detecting the liquid level in the leakage water well by the radar is avoided.
The technical scheme of the utility model is as follows:
an automatic start-stop control system for a leakage water pump, comprising:
the communicating well is fixedly connected with the bottom of the seepage well and is positioned in the seepage well, one end of the communicating well is provided with a through hole communicated with the seepage well, and the through hole is used for communicating water entering the communicating well;
the radar is internally provided with a processor, and the processor is used for receiving the time difference between radar emission and reflected electromagnetic waves and calculating the liquid level information of the communication well;
the water pump start-stop relay is connected with the water pump and is used for controlling the water pump to be started or closed;
the control module is used for receiving radar communication well liquid level height information, and sending an on or off signal to the water pump on-off relay when the communication well liquid level height information reaches the first preset value of the communication well liquid level height;
wherein the control module is positioned outside the seepage water well.
The input end of the control module is connected with a floating ball liquid level switch, the control module is internally provided with a communication well liquid level Gao Dudi with two preset values, the floating ball liquid level switch is used for measuring whether the height of the communication well liquid level reaches the two preset values of the communication well liquid level Gao Dudi, and when the height of the communication well liquid level reaches the two preset values of the communication well liquid level Gao Dudi, the control module sends an opening or closing signal to the water pump start-stop relay.
And the water pump start-stop relay is connected with the standby pump.
Wherein, the floating ball liquid level switch is connected and matched with the inner wall of the communicating well.
The radar is of a non-contact type and is of an MIK-RP type.
The radar is arranged on the stabilizing frame, the stabilizing frame is positioned at the upper end of the seepage well and is connected and matched with the upper end of the seepage well, and the radar is positioned above the communication well.
Wherein the diameter of the communicating well is smaller than the diameter of the seepage well.
The utility model has the following beneficial effects:
1. according to the automatic start-stop control system for the leakage water pump, the radar and the control module are arranged separately, the radar is arranged on the inner side of the leakage water well, but the radar is not in direct contact with a measured medium, so that potential safety hazards that the water level of the leakage water well cannot be controlled normally due to the fact that the radar detects the high accuracy of the liquid level in the leakage water well under the influence of corrosion are avoided, the radar detects that the liquid level in a communicating well is high in accuracy, a preset value of the control module is triggered more sensitively and rapidly, the water pump and a standby pump are automatically closed when the liquid in the communicating well falls below the preset value in the control module, and the electric power waste caused by the fact that the water pump is always in an on state due to misoperation is reduced;
2. according to the automatic start-stop control system for the leakage water pump, the floating ball liquid level switch is additionally arranged and is used as a standby switch for automatically starting and stopping the water pump, so that the failure of radar detection on the liquid level height in a communicating well under extreme conditions is avoided, the floating ball liquid level switch can still trigger the liquid level Gao Dudi of the control module by two preset values, the output end of the control module sends a start-stop signal to the water pump start-stop relay, and then the water pump start-stop relay starts and stops the water pump and the standby pump, and the reliability of the system is ensured;
3. according to the automatic start-stop control system for the leakage water pump, the control module is arranged outside the leakage water well, so that the first preset value of the liquid level height and the second preset value of the liquid level Gao Dudi of the control module are convenient to maintain and modify or correct in daily life, the operation in the well is not needed, the working intensity is relieved, and the risk that personnel enter a limited space to work is further reduced;
4. according to the automatic start-stop control system of the leakage water pump, the communicating well is arranged in the leakage water well, waste water is discharged between the inner side of the leakage water well and the outer side of the communicating well, the waste water enters the communicating well through the through hole formed in the bottom of the communicating well, the liquid level of the waste water in the communicating well is stably lifted, and the phenomenon that the radar transmits wrong liquid level height information to the control module due to overlarge fluctuation of the liquid level in radar measurement is avoided, and finally, the water pump is mistakenly operated to waste electric power is caused.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an automatic start-stop control system for a leakage water pump according to the present utility model.
The reference numerals in the drawings are as follows:
1. a radar; 2. a control module; 3. a water pump start-stop relay; 4. a water pump; 41. a backup pump; 5. a float ball liquid level switch; 6. a stabilizing rack; 7. a seepage well; 8. a communication well; 81. and a through hole.
Detailed Description
The utility model will now be described in detail with reference to the drawings and to specific embodiments.
Referring to fig. 1, an automatic start-stop control system for a leakage water pump, comprising:
the bottom of the communicating well 8 is fixedly connected with the bottom of the seepage well 7, the communicating well 8 is positioned in the seepage well 7, one end of the communicating well 8 is provided with a through hole 81 communicated with the seepage well 7, and the through hole 81 is used for water inflow of the communicating well 8; the water displacement of the power plant is large, a large amount of wastewater in the water displacement process in the prior art is poured into the seepage well 7, so that the fluctuation of the wastewater liquid level is large, the actual water level is normal, the radar 1 can easily transmit the fluctuation of the liquid level to the control module 2 in an error way when measuring the liquid level information, finally, the misoperation of the water pump 4 causes the waste of electric power, the wastewater is discharged between the outer side of the communication well 8 and the inner side of the seepage well 7 through the communication well 8, the wastewater enters the communication well 8 through the through hole 81 arranged at the bottom of the communication well 8, and the liquid level steadily rises in the process of entering the communication well 8, so that the radar 1 can measure the liquid level more accurately; a processor is arranged in the radar 1 and is used for receiving the time difference between the emission and reflection of the electromagnetic waves by the radar 1 and calculating the liquid level information of the communication well 8; the water pump start-stop relay 3 is connected with the water pump 4, and the water pump start-stop relay 3 is used for controlling the water pump 4 to be started or closed; the input end of the control module 2 is connected with the radar 1, the output end of the control module 2 is connected with the water pump start-stop relay 3, a first preset value of the liquid level height is arranged in the control module 2, the control module 2 is used for receiving the liquid level height information of the communication well 8 of the radar 1, and when the liquid level height information of the communication well 8 reaches the first preset value of the liquid level height, the output end of the control module 2 sends an on or off signal to the water pump start-stop relay 3; the control module 2 receives the liquid level information of the communication well 8 transmitted by the radar 1, a first preset liquid level height value in the control module 2 comprises 155.10m, 157.50m and 157.70m, when the radar 1 measures that the liquid level information of the communication well 8 reaches the 157.50m number of the first preset liquid level height value, the control module 2 sends a start signal to the water pump start-stop relay 3, the water pump start-stop relay 3 starts the water pump 4 to pump water, when the liquid level of the communication well 8 reaches 157.70m, the control module 2 sends a start signal to the water pump start-stop relay 3 again, the water pump start-stop relay 3 starts the standby pump 41, the standby pump 41 pumps water simultaneously with the water pump 4, when the liquid level of the communication well 8 reaches 155.10m, the control module 2 sends a close signal to the water pump start-stop relay 3, and the standby pump 41 are stopped; the control module 2 is positioned outside the seepage water well 7, so that personnel can maintain and correct a first preset value of the liquid level height and a second preset value of the liquid level Gao Dudi of the control module 2 conveniently; the input end of the control module 2 is connected with a floating ball liquid level switch 5, a second preset value of the liquid level height is arranged in the control module 2, the floating ball liquid level switch 5 is used for measuring whether the liquid level height of the communication well 8 reaches a first preset value of the liquid level Gao Dudi, and when the liquid level height of the communication well 8 reaches a second preset value of the liquid level Gao Dudi, the control module 2 sends an on or off signal to the water pump on-off relay 3; the water pump start-stop relay 3 is connected with the standby pump 41, and the water pump 4 and the standby pump 41 are arranged between the communicating well 8 and the seepage well 7; the control module 2 receives the liquid level information of the communicating well 8 transmitted by the floating ball liquid level switch 5, a second preset value of the liquid level inside the control module 2 comprises 155.00m, 157.60m and 157.80m, when the floating ball liquid level switch 5 measures that the liquid level information of the communicating well 8 reaches 157.60m of the second preset value of the liquid level, the control module 2 sends a start signal to the water pump start-stop relay 3, the water pump start-stop relay 3 starts the water pump 4 to pump water, when the liquid level of the communicating well 8 reaches 157.80m, the control module 2 sends a start signal to the water pump start-stop relay 3, the water pump start-stop relay 3 starts the standby pump 41, the standby pump 41 pumps water simultaneously with the water pump 4, when the liquid level of the communicating well 8 reaches 155.00m, the control module 2 sends a close signal to the water pump start-stop relay 3, the water pump 4 and the standby pump 41 are closed, and the water pumping is stopped; the floating ball liquid level switch 5 is used as a standby switch for automatically starting and stopping the water pump, under the extreme condition, the radar 1 detects the liquid level height of the communication well 8 to fail, the floating ball liquid level switch 5 can still trigger the liquid level Gao Dudi of the control module 2 to be two preset values, the output end of the control module 2 sends a starting or stopping signal to the water pump starting and stopping relay 3, and then the water pump starting and stopping relay 3 starts and stops the water pump 4 and the standby pump 41, so that the reliability of the system is ensured; the floating ball liquid level switch 5 is connected with the inner wall of the communication well 8; the radar 1 is of a non-contact type and is of an MIK-RP; the radar 1 is arranged on the stabilizing frame 6, the stabilizing frame 6 is positioned at the upper end of the seepage well 7 and is connected and matched with the seepage well, the radar 1 is positioned above the communication well 8, the radar 1 is in non-contact with the liquid level, and the accuracy of measuring the liquid level height is prevented from being influenced by corrosion; the diameter of the communicating well 8 is smaller than that of the seepage well 7; the water pump start-stop relay 3 is positioned on the upper side of the stabilizing frame 6; the water pump 4 and the backup pump 41 are located between the outside of the communication well 8 and the inside of the leakage water well 7.
The working principle of the utility model is as follows:
the wastewater is discharged between the outer side of the communicating well 8 and the inner side of the seepage well 7 by the power plant, at the moment, the wastewater with large discharge capacity causes the fluctuation of the wastewater level between the inner side of the seepage well 7 and the outer side of the communicating well 8 to be large, the wastewater enters the communicating well 8 from the through hole 81 at the bottom of the communicating well 8, the wastewater level in the communicating well 8 is stably and slowly lifted, the arrangement of the communicating well 8 avoids the actual water level from being normal in the process of discharging a large amount of wastewater in the prior art, however, the fluctuation of the wastewater level is overlarge, the radar 1 transmits the wrong liquid level height information to the control module 2, and finally the water pump 4 is in false action to waste power;
in the process that wastewater enters the communication well 8 from the through hole 81 at the bottom of the communication well 8, the radar 1 measures the liquid level of the communication well 8, the radar 1 emits electromagnetic waves to the liquid level, the processor records the time difference between the reflected electromagnetic waves and the emitted electromagnetic waves of the liquid level and calculates the liquid level information of the communication well 8, the control module 2 receives the liquid level information of the communication well 8, and the first preset value of the built-in liquid level of the control module 2 comprises: 155.10m, 157.50m and 157.70m, when the radar 1 measures that the liquid level information of the communication well 8 reaches 157.50m of a first preset liquid level, the control module 2 sends an opening signal to the water pump start-stop relay 3, the water pump start-stop relay 3 starts the water pump 4 to pump water, when the liquid level of the communication well 8 reaches 157.70m, the control module 2 sends an opening signal to the water pump start-stop relay 3 again, the water pump start-stop relay 3 starts the standby pump 41, the standby pump 41 pumps water simultaneously with the water pump 4, when the liquid level of the communication well 8 reaches 155.10m, the control module 2 sends a closing signal to the water pump start-stop relay 3, the water pump start-stop relay 3 closes the water pump 4 and the standby pump 41, and water pumping is stopped;
in addition, the control module 2 receives the liquid level information of the communicating well 8 transmitted by the floating ball liquid level switch 5, a second preset value of the liquid level in the control module 2 comprises 155.00m, 157.60m and 157.80m, when the floating ball liquid level switch 5 measures that the liquid level information of the communicating well 8 reaches 157.60m of the second preset value of the liquid level, the control module 2 sends an opening signal to the water pump start-stop relay 3, the water pump start-stop relay 3 starts the water pump 4 to pump water, when the liquid level of the communicating well 8 reaches 157.80m, the control module 2 sends an opening signal to the water pump start-stop relay 3, the water pump start-stop relay 3 starts the standby pump 41, the standby pump 41 and the water pump 4 pump simultaneously, and when the liquid level of the communicating well 8 reaches 155.00m, the control module 2 sends a closing signal to the water pump start-stop relay 3, the water pump 4 and the standby pump 41 are closed, and the water pumping is stopped; the floating ball liquid level switch 5 is used as a standby switch for automatically starting and stopping the water pump, under the extreme condition, the radar 1 detects the liquid level height of the communication well 8 to fail, the floating ball liquid level switch 5 can still trigger the liquid level Gao Dudi of the control module 2 to be two preset values, the output end of the control module 2 sends a starting or stopping signal to the water pump starting and stopping relay 3, and then the water pump starting and stopping relay 3 starts and stops the water pump 4 and the standby pump 41, so that the reliability of the system is ensured;
when the water pump 4 and the standby pump 41 pump water, the water level between the outer side of the communicating well 8 and the inner side of the seepage well 7 gradually drops, and meanwhile, the wastewater of the communicating well 8 flows into the space between the inner side of the seepage well 7 and the outer side of the communicating well 8 from the through hole 81 in a supplementing manner, and the liquid level of the communicating well 8 steadily drops;
the control module 2 is positioned at the outer side of the seepage water well 7, so that the first preset value of the liquid level height and the second preset value of the liquid level Gao Dudi of the control module 2 are convenient to maintain and modify or correct in daily, personnel do not need to enter the seepage water well 7 again to operate, the working intensity is relieved, and meanwhile the risk that the personnel enter a limited space to work is further reduced;
when the radar 1 detects the liquid level of the communicating well 8, the radar 1 is in non-contact with the liquid level, and the radar 1 is arranged at the upper end of the seepage well 7 and is separated from the liquid level by a certain distance, so that the radar is less influenced by the corrosion of the liquid and the internal environment of the seepage well 7, and the later maintenance intensity is reduced.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (8)
1. An automatic start-stop control system of a leakage water pump is characterized in that: comprising the following steps:
the communicating well (8), the communicating well (8) is fixedly connected with the bottom of the seepage well (7) and is positioned in the seepage well (7), one end of the communicating well (8) is provided with a through hole (81) communicated with the seepage well (7), and the through hole (81) is used for water inflow of the communicating well (8);
the radar (1) is internally provided with a processor, and the processor is used for receiving the time difference between the emission and reflection of the radar (1) and calculating the liquid level information of the communication well (8);
the water pump start-stop relay (3), the water pump start-stop relay (3) is connected with the water pump (4), and the water pump start-stop relay (3) is used for controlling the water pump (4) to be started or closed;
the control module (2), control module (2) input is connected with radar (1), control module (2) output is connected with water pump start-stop relay (3), control module (2) embeds liquid level height first predetermined value, control module (2) are used for receiving radar (1) communication well (8) liquid level height information to when communication well (8) liquid level height information reaches liquid level height first predetermined value control module (2) output opens or closes the signal to water pump start-stop relay (3).
2. The automatic start-stop control system for a leakage water pump according to claim 1, wherein: the control module (2) is positioned outside the seepage water well (7).
3. The automatic start-stop control system for a leakage water pump according to claim 2, wherein: the input end of the control module (2) is connected with a floating ball liquid level switch (5), a second preset value of the liquid level height is arranged in the control module (2), the floating ball liquid level switch (5) is used for measuring whether the liquid level height of the communication well (8) reaches a first preset value of the liquid level Gao Dudi, and when the liquid level height of the communication well (8) reaches a second preset value of the liquid level Gao Dudi, the control module (2) sends an on or off signal to the water pump on-off relay (3).
4. An automatic start-stop control system for a leaking water pump as set forth in claim 3, wherein: the water pump start-stop relay (3) is connected with the standby pump (41).
5. An automatic start-stop control system for a leaking water pump as set forth in claim 3, wherein: the floating ball liquid level switch (5) is connected and matched with the inner wall of the communication well (8).
6. The automatic start-stop control system for a leakage water pump according to claim 1, wherein: the radar (1) is of a non-contact type and is of an MIK-RP type.
7. The automatic start-stop control system of a leakage water pump according to claim 6, wherein: the radar (1) is arranged on the stabilizing frame (6), the stabilizing frame (6) is positioned at the upper end of the seepage well (7) and is connected and matched, and the radar (1) is positioned above the communication well (8).
8. The automatic start-stop control system for a leaking water pump of claim 7, wherein: the diameter of the communicating well (8) is smaller than that of the seepage well (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320420157.4U CN219452361U (en) | 2023-03-08 | 2023-03-08 | Automatic start-stop control system of leakage water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320420157.4U CN219452361U (en) | 2023-03-08 | 2023-03-08 | Automatic start-stop control system of leakage water pump |
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| Publication Number | Publication Date |
|---|---|
| CN219452361U true CN219452361U (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320420157.4U Active CN219452361U (en) | 2023-03-08 | 2023-03-08 | Automatic start-stop control system of leakage water pump |
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| Country | Link |
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| CN (1) | CN219452361U (en) |
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- 2023-03-08 CN CN202320420157.4U patent/CN219452361U/en active Active
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