CN216142887U - Water pump control system - Google Patents
Water pump control system Download PDFInfo
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- CN216142887U CN216142887U CN202120320527.8U CN202120320527U CN216142887U CN 216142887 U CN216142887 U CN 216142887U CN 202120320527 U CN202120320527 U CN 202120320527U CN 216142887 U CN216142887 U CN 216142887U
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Abstract
The utility model discloses a water pump control system, which relates to the technical field of water pump control and comprises the following components: the power supply circuit is connected with the water pump through a first power taking circuit; the main control unit comprises a main circuit breaker and is arranged on the first power taking line; the standby control unit comprises a second electricity taking circuit, a standby power supply circuit, a first contactor and a second contactor, wherein one end of the second electricity taking circuit is connected to the power supply circuit, the other end of the second electricity taking circuit is connected with one end of the standby power supply circuit, the other end of the standby power supply circuit is used for being connected with the water pump, a normally open contact of the first contactor and a normally open contact of the second contactor are respectively arranged on the first electricity taking circuit and the standby power supply circuit, and the first contactor and the second contactor are interlocked; this control system has main control unit and standby control unit, can use standby control unit to control the water pump in the pump house fast when main control unit trouble, and labour saving and time saving improves work efficiency.
Description
Technical Field
The utility model belongs to the technical field of water pump control, and particularly relates to a water pump control system.
Background
The water pump in the existing pump station generally adopts a one-driving-one frequency conversion/soft start mode to control the start and stop of the water pump, and a set of standby non-hanging load is reserved. Under the condition that the main control system fails to recover in time, the standby controller needs to be detached or the power main line needs to be detached to recover the operation, so that the time and the labor are consumed, and the working efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a water pump control system aiming at the defects in the prior art, which is provided with a main control unit and a standby control unit, can quickly use the standby control unit to control a water pump in a pump room when the main control unit fails, saves time and labor and improves the working efficiency.
In order to achieve the above object, the present invention provides a water pump control system including:
the power supply circuit is connected with the water pump through a first power taking circuit;
the main control unit comprises a main circuit breaker and is arranged on the first power taking line;
reserve the control unit, get circuit, reserve power supply line, first contactor and second contactor including the second, the second is got the one end of circuit and is connected on the power supply line, the second get the circuit the other end with the one end of reserve power supply line is connected, the other end of reserve power supply line is used for connecting the water pump, the normally open contact of first contactor with the normally open contact of second contactor sets up respectively first get the circuit with on the reserve power supply line, first contactor with the second contactor interlocking.
Optionally, a standby circuit breaker is arranged on the second power line.
Optionally, a thermal relay is arranged at one end, close to the water pump, of the first power taking line.
Optionally, the other end of the backup power supply line is connected with a first power taking line between the main circuit breaker and the thermal relay.
Optionally, a frequency converter is connected between the other end of the second power taking line and the one end of the standby power supply line.
Optionally, still include the interlocking unit, the interlocking unit includes first switch and second switch, the one end of first switch with the one end of second switch be connected and with one in the power supply line is connected, the other end of first switch and the other end of second switch respectively with the one end of the normally closed contact of first contactor with the one end of the normally closed contact of second contactor is connected, the other end of the normally closed contact of first contactor with the other end of the normally closed contact of second contactor respectively with the one end of the coil of first contactor with the one end of the coil of second contactor is connected, the other end of the coil of first contactor and the other end of the coil of second contactor are connected and are connected on the ground wire.
Optionally, the interlock unit further includes a third switch, one end of the third switch is connected to the one end of the power supply line, and the other end of the third switch is connected to the one end of the first switch and the one end of the second switch.
Optionally, the water pump is provided with a plurality ofly, and is a plurality of the water pump is through a plurality of it is parallelly connected to get the electric wire way, and is a plurality of the water pump is through a plurality of reserve power supply line is parallelly connected.
Optionally, the interlocking unit is provided in plurality, and the plurality of interlocking units are connected in parallel.
Optionally, the first switch and the second switch are multi-contact switches, the plurality of contacts of the first switch and the second switch are respectively disposed in the plurality of interlocking units, the plurality of third switches are disposed in the plurality of interlocking units, and the plurality of third switches are respectively disposed in the plurality of interlocking units.
The utility model provides a water pump control system, which has the beneficial effects that:
1. the control system is provided with a main control unit and a standby control unit, and can quickly use the standby control unit to control the water pump in the pump room when the main control unit fails, so that time and labor are saved, and the working efficiency is improved;
2. the first contactor and the second contactor of the control system are interlocked through the interlocking unit, so that the main control unit and the standby control unit cannot be influenced mutually;
3. the standby control unit of the control system adopts a one-driving-multiple control mode, and can flexibly control the starting and stopping of a plurality of water pumps.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
FIG. 1 shows a circuit diagram of a water pump control system according to an embodiment of the utility model.
FIG. 2 illustrates a circuit diagram of a plurality of interlock units of a water pump control system according to one embodiment of the present invention.
Description of reference numerals:
1. a power supply line; 2. a first power line; 3. a water pump; 4. a main circuit breaker; 5. a second power taking circuit; 6. a standby power supply line; 7. a normally open contact of the first contactor; 8. a normally open contact of the second contactor; 9. a backup circuit breaker; 10. a thermal relay; 11. a frequency converter; 12. a first switch; 13. A second switch; 14. a normally closed contact of the first contactor; 15. a normally closed contact of the second contactor; 16. A coil of a first contactor; 17. a coil of a second contactor; 18. and a third switch.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
The utility model provides a water pump control system, comprising:
the power supply circuit is connected with the water pump through a first power taking circuit;
the main control unit comprises a main circuit breaker and is arranged on the first power taking line;
the standby control unit comprises a second electricity taking circuit, a standby power supply circuit, a first contactor and a second contactor, wherein one end of the second electricity taking circuit is connected to the power supply circuit, the other end of the second electricity taking circuit is connected with one end of the standby power supply circuit, the other end of the standby power supply circuit is used for being connected with a water pump, a normally open contact of the first contactor and a normally open contact of the second contactor are respectively arranged on the first electricity taking circuit and the standby power supply circuit, and the first contactor and the second contactor are interlocked.
Specifically, the power supply line has three phases, the first power taking line takes power from the three phases of the power supply line to supply power to the water pump, and the main circuit breaker can control the on-off of the first power taking line so as to control the on-off of the water pump; when the main control unit breaks down, the standby control unit is started, the normally open contact of the first contactor needs to be controlled to be disconnected, the normally open contact of the second contactor needs to be controlled to be closed, the standby control unit is put into use, the standby power supply line is connected, the standby control unit controls the starting and stopping of the water pump, work interruption is avoided, and work efficiency is improved; the interlocking arrangement of the first contactor and the second contactor can avoid the mutual influence of the main control unit and the standby control unit.
Optionally, a standby breaker is arranged on the second power line.
Specifically, the standby circuit breaker can control the second to get the break-make of electric wire way, and then control opening of water pump and stop.
Optionally, a thermal relay is arranged at one end of the first power line, which is close to the water pump.
Specifically, the thermal relay protects the power supply circuit of the water pump.
Optionally, the other end of the backup power supply line is connected to a first power line between the main circuit breaker and the thermal relay.
Specifically, the other end of the standby circuit is connected to one end, close to the water pump, of the first power taking circuit, and conduction with the water pump is achieved.
Optionally, a frequency converter is connected between the other end of the second power taking line and one end of the standby power supply line.
Specifically, when the frequency converter is arranged, the standby control unit is used, and a standby frequency converter is used for the water pump, so that the normal operation of the water pump is ensured.
Optionally, the interlocking device further comprises an interlocking unit, the interlocking unit comprises a first switch and a second switch, one end of the first switch and one end of the second switch are connected and are connected with one of the power supply lines, the other end of the first switch and the other end of the second switch are respectively connected with one end of a normally closed contact of the first contactor and one end of a normally closed contact of the second contactor, the other end of the normally closed contact of the first contactor and the other end of the normally closed contact of the second contactor are respectively connected with one end of a coil of the first contactor and one end of a coil of the second contactor, and the other end of the coil of the first contactor and the other end of the coil of the second contactor are connected and connected on the ground line.
In one example, the first switch and the second switch are both push-button normally open switches.
Specifically, pressing the second switch can make the coil of second contactor get electricity, the normally open contact actuation of second contactor and the normally closed contact disconnection of second contactor, this moment because the actuation of the normally open contact of second contactor makes reserve control unit come into use, simultaneously, because the normally closed contact disconnection of second contactor, no matter how operate first switch, first contactor does not have the reaction, main control unit can not come into use, this has just realized the interlocking, avoid main control unit and reserve control unit to influence each other.
Optionally, the interlock unit further includes a third switch, one end of the third switch is connected to one end of the power supply line, and the other end of the third switch is connected to one end of the first switch and one end of the second switch.
Specifically, the third switch can control the start and stop of the water pump.
In one example, the third switch is a push button normally closed switch.
Optionally, the water pump is provided with a plurality ofly, and a plurality of water pumps are parallelly connected through a plurality of first electric circuit of getting, and a plurality of water pumps are parallelly connected through a plurality of reserve power supply lines.
Specifically, the main control unit and the standby control unit can control a plurality of water pumps.
Optionally, a plurality of the interlocking units are provided, and the plurality of the interlocking units are connected in parallel.
Specifically, because first get electric circuit and reserve power supply line and all have a plurality ofly, be provided with first contactor and second contactor in every first get electric circuit and every reserve power supply line respectively, consequently need a plurality of interlocking units to make every first get electric circuit and rather than the first contactor and the second contactor in the reserve power supply line that corresponds can both realize the interlocking.
Optionally, the first switch and the second switch are multi-contact switches, the plurality of contacts of the first switch and the second switch are respectively disposed in the plurality of interlocking units, the plurality of third switches are provided, and the plurality of third switches are respectively disposed in the plurality of interlocking units.
Specifically, the first switch and the second switch are both multi-contact switches, when the control system of the water pump is switched from the main control unit to the standby control unit, only the first switch needs to be pressed, a plurality of contacts of the first switch are simultaneously closed, a plurality of standby power supply lines are simultaneously conducted, and therefore the whole standby control unit is put into use, the switching is rapid, and the operation is convenient; and the third switch sets up a plurality ofly, and a plurality of third switches control the on-off of a plurality of interlocking units respectively, and then control the opening of each water pump respectively and stop for control to a plurality of water pumps is more nimble.
Examples
As shown in fig. 1 and 2, the present invention provides a water pump control system including:
the power supply circuit 1 is connected with the water pump 3 through a first power taking circuit 2;
the main control unit comprises a main circuit breaker 4 and is arranged on the first power taking line 2;
standby control unit, get electric wire way 5 including the second, reserve power supply line 6, first contactor and second contactor, the second is got the one end of electric wire way 5 and is connected on power supply line 1, and the second is got the other end of electric wire way 5 and is connected with the one end of reserve power supply line 5, and the other end of reserve power supply line 5 is used for connecting water pump 3, and normally open contact 7 of first contactor and the normally open contact 8 of second contactor set up respectively on first electric wire way 2 and reserve power supply line 6, first contactor and second contactor interlocking.
In this embodiment, the second power-taking line 5 is provided with a backup breaker 9.
In this embodiment, a thermal relay 10 is disposed at one end of the first power supply line 2 close to the water pump 3.
In the present embodiment, the other end of the backup power supply line 6 is connected to the first power-taking line 2 between the main breaker 4 and the thermal relay 10.
In this embodiment, a frequency converter 11 is connected between the other end of the second power supply line 5 and one end of the backup power supply line 6.
In this embodiment, the interlocking device further comprises an interlocking unit, the interlocking unit comprises a first switch 12 and a second switch 13, one end of the first switch 12 and one end of the second switch 13 are connected and connected with one of the power supply lines 1, the other end of the first switch 12 and the other end of the second switch 13 are respectively connected with one end of a normally closed contact 14 of the first contactor and one end of a normally closed contact 15 of the second contactor, the other end of the normally closed contact 14 of the first contactor and the other end of the normally closed contact 15 of the second contactor are respectively connected with one end of a coil 16 of the first contactor and one end of a coil 17 of the second contactor, and the other end of the coil 16 of the first contactor and the other end of the coil 17 of the second contactor are connected and connected on the ground line.
In this embodiment, the interlock unit further includes a third switch 18, one end of the third switch 18 is connected to one end of the power supply line 1, and the other end of the third switch 18 is connected to one end of the first switch 12 and one end of the second switch 13.
In this embodiment, water pump 3 is provided with a plurality ofly, and a plurality of water pumps 3 are parallelly connected through a plurality of first electric circuit 2 of getting, and a plurality of water pumps 3 are parallelly connected through a plurality of reserve power supply circuit 6.
In the present embodiment, a plurality of interlock units are provided, and the plurality of interlock units are connected in parallel.
In the present embodiment, the first switch 12 and the second switch 13 are multi-contact switches, a plurality of contacts of the first switch 12 and the second switch 13 are respectively disposed in a plurality of interlock units, a plurality of third switches 18 are disposed, and a plurality of third switches 18 are respectively disposed in a plurality of interlock units.
In summary, when the water pump control system provided by the utility model is used, the water pump 3 normally gets electricity from the power supply line 1 through the first electricity getting line 2, and the on-off of the first electricity getting line 2 is controlled through the plurality of main circuit breakers 4, so as to control the start and stop of the plurality of water pumps 3. When the main control unit fails and cannot be recovered in time, the second switch 13 is pressed, the coil 17 of the second contactor is electrified, the normally open contact 8 of the second contactor is closed, the normally closed contact 15 of the second contactor is opened, the standby power supply line 6 is conducted, the second contactor and the first contactor are interlocked, and the standby control unit is started; at this time, the on-off of the water pumps 3 can be controlled through the standby circuit breaker 9, and the start and stop of each water pump 3 can be controlled by operating the third switches 18, so that the control is flexible and convenient.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A water pump control system, comprising:
the power supply circuit is connected with the water pump through a first power taking circuit;
the main control unit comprises a main circuit breaker and is arranged on the first power taking line;
reserve the control unit, get circuit, reserve power supply line, first contactor and second contactor including the second, the second is got the one end of circuit and is connected on the power supply line, the second get the circuit the other end with the one end of reserve power supply line is connected, the other end of reserve power supply line is used for connecting the water pump, the normally open contact of first contactor with the normally open contact of second contactor sets up respectively first get the circuit with on the reserve power supply line, first contactor with the second contactor interlocking.
2. The water pump control system of claim 1, wherein the second power line is provided with a backup circuit breaker.
3. The water pump control system of claim 1, wherein a thermal relay is disposed on the first power line near the water pump.
4. The water pump control system of claim 3, wherein the other end of the backup power supply line is connected to a first power line between the main circuit breaker and the thermal relay.
5. The water pump control system of claim 1, wherein a frequency converter is connected between the other end of the second power line and the one end of the backup power line.
6. The water pump control system according to claim 1, further comprising an interlocking unit, wherein the interlocking unit comprises a first switch and a second switch, one end of the first switch and one end of the second switch are connected and are connected with one of the power supply lines, the other end of the first switch and the other end of the second switch are respectively connected with one end of the normally closed contact of the first contactor and one end of the normally closed contact of the second contactor, the other end of the normally closed contact of the first contactor and the other end of the normally closed contact of the second contactor are respectively connected with one end of the coil of the first contactor and one end of the coil of the second contactor, and the other end of the coil of the first contactor and the other end of the coil of the second contactor are connected and connected on the ground line.
7. The water pump control system according to claim 6, wherein the interlock unit further includes a third switch, one end of which is connected to the one end of the power supply line, and the other end of which is connected to the one end of the first switch and the one end of the second switch.
8. The water pump control system according to claim 7, wherein the number of the water pumps is plural, the plural water pumps are connected in parallel through the plural first power supply lines, and the plural water pumps are connected in parallel through the plural backup power supply lines.
9. The water pump control system of claim 8, wherein the interlock unit is provided in plurality, and a plurality of the interlock units are connected in parallel.
10. The water pump control system of claim 9, wherein the first switch and the second switch are multi-contact switches, a plurality of contacts of the first switch and the second switch are respectively disposed in a plurality of the interlocking units, a plurality of the third switches are disposed, and a plurality of the third switches are respectively disposed in a plurality of the interlocking units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120320527.8U CN216142887U (en) | 2021-02-04 | 2021-02-04 | Water pump control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120320527.8U CN216142887U (en) | 2021-02-04 | 2021-02-04 | Water pump control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216142887U true CN216142887U (en) | 2022-03-29 |
Family
ID=80800608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120320527.8U Active CN216142887U (en) | 2021-02-04 | 2021-02-04 | Water pump control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216142887U (en) |
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2021
- 2021-02-04 CN CN202120320527.8U patent/CN216142887U/en active Active
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