CN108227599B - Intelligent control system for sewage pump - Google Patents
Intelligent control system for sewage pump Download PDFInfo
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- CN108227599B CN108227599B CN201611152078.0A CN201611152078A CN108227599B CN 108227599 B CN108227599 B CN 108227599B CN 201611152078 A CN201611152078 A CN 201611152078A CN 108227599 B CN108227599 B CN 108227599B
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- 239000010865 sewage Substances 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 112
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses an intelligent control system for a sewage pump. The control system comprises (1) a power supply circuit: providing a control module with a stable voltage, including a live wire, a zero wire and a ground wire; and (2) a control module comprising a first overload loop, a second overload loop, a first pump output loop, a second pump output loop, a pump up control loop, and a warning water level control loop; the first overload loop is connected with the first thermal relay, and the second overload loop is connected with the second thermal relay; the first pump output loop is connected with the coil of the first alternating current contactor, and the second pump output loop is connected with the coil of the second alternating current contactor; the pump starting control loop is connected with a pump starting water level sensor which is connected with a pump starting water level floating ball; the warning water level control loop is connected with a high water level sensor which is connected with a high water level floating ball. The control system further includes a terminal block. The intelligent control system of the sewage pump has the advantages of simple circuit, fewer components and convenient operation.
Description
Technical Field
The invention relates to the field of intelligent control, in particular to an intelligent control system for a sewage pump.
Background
At present, the prior control cabinets for controlling two sewage pumps are all started and stopped by driving coils of a contactor by means of electricity supplied by an intermediate relay, as shown in fig. 1 and 2. In fig. 2, when the switch SA is in the automatic position, one pump and two pumps are started at the starting water level and the warning water level respectively through 2 alternating current 36V intermediate relays KA1 and 2, when the warning water level is reached, KA2 is powered, and 2 pumps work simultaneously. When the 1# pump fails in the use process, the intermediate relay KA3 is powered to drive the KA5 to be powered, so that the coil of the alternating current contactor KM2 is powered to switch to the 2# pump to work. Similarly, if the pump # 2 fails during operation, the intermediate relay KA4 is powered to drive the KA5 to be powered, so that the coil of the ac contactor KM1 is powered, and the pump # 1 is switched to operate. As shown in FIG. 1, the circuit for switching faults of two pumps uses KA 3-5, 3 relays. Wherein KA 1-5 is an intermediate relay, HL1 is a power supply indicator lamp, HL2,3 are fault indication of a 1# pump and a 2# pump, HL4,5 are running indication of the 1# pump and the 2# pump, and QF10 and QF11 are air switches; KM1 and KM2 are AC contactors; KH1, KH2 are thermal relays, FU1 is a fuse, SA is a transfer switch, SB 1-4 are start-stop buttons. At present, the circuit for controlling the 2 sewage pumps is complex in wiring, more in components and parts, high in labor cost and easy to cause faults.
Therefore, development of a new intelligent control system for a sewage pump is urgently needed in the field, circuits are simplified, components are reduced, and safety and stability of system operation are improved.
Disclosure of Invention
The invention aims to provide an intelligent control system for a sewage pump with simple circuit and fewer components.
The invention provides an intelligent control system of a sewage pump, which comprises (1) a power supply circuit: providing a control module with a stable voltage, including a live wire, a zero wire and a ground wire; and (2) a control module comprising a first overload loop, a second overload loop, a first pump output loop, a second pump output loop, a pump-up control loop, and a warning water level control loop.
The first overload loop is connected with the first thermal relay, and the second overload loop is connected with the second thermal relay;
The first pump output loop is connected with the coil of the first alternating current contactor, and the second pump output loop is connected with the coil of the second alternating current contactor;
The pump starting control loop is connected with a pump starting water level sensor which is connected with a pump starting water level floating ball;
The warning water level control loop is connected with a high water level sensor, and the high water level sensor is connected with a high water level floating ball.
The control system also comprises a wiring terminal;
wherein the first overload loop is connected with a first terminal and a second terminal;
the second overload loop is connected with a third terminal and a fourth terminal;
the warning water level control loop is connected with a fifth terminal and a seventh terminal, and the pump starting control loop is connected with a sixth terminal and a seventh terminal;
The grounding wire is connected with an eighth terminal, the zero wire is connected with a ninth terminal, and the live wire is connected with a tenth terminal;
the second pump output circuit is connected with an eleventh terminal and a twelfth terminal;
The first pump output circuit connects the thirteenth terminal and the fourteenth terminal.
In another preferred embodiment, the control system includes a spare terminal.
In another preferred embodiment, the control system includes a plurality of spare terminals.
In another preferred embodiment, an automatic alarm is provided in the control system.
In another preferred embodiment, a fuse is provided in the control system.
In another preferred embodiment, an air switch is provided in the control system.
In another preferred embodiment, a system operation indicator light is provided in the control system.
The system operation indicator lamp comprises an automatic control indicator lamp, a manual control indicator lamp, a first water pump operation and second water pump standby indicator lamp, a second water pump operation and first water pump standby indicator lamp, a warning water indicator lamp, a first water pump operation indicator lamp, a first water pump overload indicator lamp, a second water pump operation indicator lamp and a second water pump overload indicator lamp.
In another preferred embodiment, a water pump running state change-over switch is arranged in the control system.
The water pump running state change-over switch comprises an automatic/manual change-over switch, a first water pump starting switch, a first water pump stopping switch, a second water pump starting switch and a second water pump stopping switch.
It is understood that within the scope of the present invention, the above-described technical features of the present invention and technical features specifically described below (e.g., in the examples) may be combined with each other to constitute new or preferred technical solutions. And are limited to a space, and are not described in detail herein.
Drawings
FIG. 1 is a circuit diagram of a prior art blowdown pump water pump intelligent control system with two pump failure rotations;
FIG. 2 is a wiring diagram of a prior art blowdown pump water pump intelligent control system;
FIG. 3 is a schematic diagram of a control panel of a pump intelligent controller using the blowdown pump intelligent control system of the present invention;
FIG. 4 is a schematic diagram of a typical terminal connection structure of the intelligent control system of the sewage pump of the present invention;
fig. 5 is a schematic diagram of a typical circuit connection of the intelligent control system of the sewage pump of the present invention.
The reference numerals in the drawings are as follows:
KM1, KM2: a first ac contactor and a second ac contactor;
KH1, KH2: a first thermal relay and a second thermal relay;
QF10, QF11: an air switch;
FU1: a fuse;
SA: a change-over switch;
SB 1-4: a start-stop button;
KA 1-5: an intermediate relay;
HL1: a power indicator light;
HL2,3: pump 1 and pump 2 fault indication;
HL4,5: pump 1 and pump 2 operating instructions;
PE row: a ground row;
L1-3: a fire wire number;
u1, U11, U21, V1, V11, V21, W1, W11 and W21 are 1# pump wiring numbers;
U2, U12, U22, V2, V12, V22, W2, W12, and W22: number 2 pump wiring.
Detailed Description
Through extensive and intensive research, the inventor develops an intelligent controller of the sewage pump with simple wiring and few components for the first time. The present invention has been completed on the basis of this finding.
The intelligent control system of the sewage pump comprises (1) a power supply circuit: providing a control module with a stable voltage, including a live wire, a zero wire and a ground wire; and (2) a control module comprising a first overload loop, a second overload loop, a first pump output loop, a second pump output loop, a pump-up control loop, and a warning water level control loop. Wherein, the first overload loop is connected with the first thermal relay, and the second overload loop is connected with the second thermal relay; the first pump output loop is connected with the coil of the first alternating current contactor, and the second pump output loop is connected with the coil of the second alternating current contactor; the pump starting control loop is connected with a pump starting water level sensor which is connected with a pump starting water level floating ball; the warning water level control loop is connected with a high water level sensor which is connected with a high water level floating ball.
The control system also comprises a wiring terminal; wherein the first overload loop is connected with a first terminal and a second terminal; the second overload loop is connected with a third terminal and a fourth terminal; the warning water level control loop is connected with a fifth terminal and a seventh terminal, and the pump starting control loop is connected with a sixth terminal and a seventh terminal; the grounding wire is connected with an eighth terminal, the zero wire is connected with a ninth terminal, and the live wire is connected with a tenth terminal; the second pump output circuit is connected with an eleventh terminal and a twelfth terminal; the first pump output circuit connects the thirteenth terminal and the fourteenth terminal.
The intelligent control system for the sewage pump disclosed by the invention has the functions of automatic/manual start and stop of 2 pumps, overload protection, automatic rotation of two pumps, automatic fault switching, automatic fault stopping and the like.
The control system of the present invention may select either manual or automatic modes.
Manual mode
The water pump is not controlled by the floating ball in the manual mode, and the corresponding start and stop of the water pump are realized through the start and stop buttons on the panel.
Automatic mode
When the water level rises to the pump starting water level in the automatic mode, a sixth terminal of the second overload loop is closed, a coil of the first alternating current contactor is powered on, the 1# pump is started, when the water level falls below the pump starting water level, the 1# pump is stopped, and when the water level rises to the pump starting water level again next time, the coil of the second alternating current contactor is powered on, and the switching to the 2# pump is started first, so that an automatic rotation function is realized. If the No. 1 pump breaks down in operation, the first terminal of the first overload loop of the first thermal relay actuation terminal is closed, the switching is automatically carried out to the No. 2 pump, otherwise, when the No. 2 pump breaks down in operation, the ground terminal of the second overload loop of the second thermal relay actuation terminal is closed, the switching is automatically carried out to the No. 1 pump, and the fault rotation function is realized. When the water level reaches the high water level, namely the warning water level, the fifth terminal is closed, the first alternating current contactor and the second alternating current contactor are simultaneously powered on, and the two pumps are simultaneously operated.
Terminology
As used herein, the term "terminal" refers to a wire termination for transmitting electrical signals or for conducting electricity.
The main advantages of the invention include:
(a) According to the intelligent control system for the sewage pump, disclosed by the invention, the control circuit is greatly simplified, a large number of wires and complex wiring are not needed, the wiring time of workers is greatly shortened, and the production efficiency is improved.
(B) The intelligent control system for the sewage pump has the advantages of fewer components, convenient operation and low cost.
The invention will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. The experimental methods, in which specific conditions are not noted in the following examples, are generally conducted under conventional conditions or under conditions recommended by the manufacturer. Percentages and parts are weight percentages and parts unless otherwise indicated.
It should be noted that in the claims and the description of this patent, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Example 1
Fig. 3-5 illustrate an exemplary embodiment of the present invention. As shown in fig. 5, the intelligent control system for the sewage pump water pump comprises (1) a power supply circuit: providing stable voltage for the control module, wherein the stable voltage comprises a live wire L1-3, a zero wire N and a ground wire, and the power supply of the system is 220V alternating current; and (2) a control module comprising a first overload loop, a second overload loop, a first pump output loop, a second pump output loop, a pump-up control loop, and a warning water level control loop. The first overload loop is connected with a first thermal relay KH1, and the second overload loop is connected with a second thermal relay KH2; the first pump output loop is connected with the coil of the first alternating-current contactor KM1, and the second pump output loop is connected with the coil of the second alternating-current contactor KM 2; the pump starting control loop is connected with a pump starting water level sensor SL1, and the pump starting water level sensor is connected with a pump starting water level floating ball; the warning water level control loop is connected with a high water level sensor SL2, and the high water level sensor is connected with a high water level floating ball.
As shown in fig. 4, the control system further includes a connection terminal; wherein the first overload loop is connected with the first terminal 1 and the second terminal 2; the second overload loop is connected with a third terminal 3 and a fourth terminal 4; the warning water level control loop is connected with a fifth terminal 5 and a seventh terminal 7, and the pump starting control loop is connected with a sixth terminal 6 and a seventh terminal 7; the grounding wire is connected with an eighth terminal 8, the zero wire is connected with a ninth terminal 9, and the live wire is connected with a tenth terminal 10; the second pump output circuit is connected with an eleventh terminal 11 and a twelfth terminal 12; the first pump output circuit connects the thirteenth terminal 13 and the fourteenth terminal 14.
An automatic alarm is arranged in the control system. The control system is provided with a fuse FU1. The control system is provided with air switches Q F, Q F11. As shown in fig. 3, a system operation indicator lamp is provided in the control system. The system operation indicator lamp comprises an automatic control indicator lamp, a manual control indicator lamp, a first water pump operation and second water pump standby indicator lamp, a second water pump operation and first water pump standby indicator lamp, a warning water indicator lamp, a first water pump operation indicator lamp, a first water pump overload indicator lamp, a second water pump operation indicator lamp and a second water pump overload indicator lamp. The control system is provided with a water pump running state change-over switch. The water pump running state change-over switch comprises an automatic/manual change-over switch, a first water pump starting switch, a first water pump stopping switch, a second water pump starting switch and a second water pump stopping switch.
Example 2
The control system of the present invention may select either manual or automatic modes.
(1) Manual mode
The water pump is not controlled by the floating ball in the manual mode, the corresponding start and stop of the water pump are realized through the start and stop buttons on the panel, when overload faults exist, KH1 and KH2 are sucked, the terminals 1 and 3 are closed, the water pump is stopped, and the fault indicator lamp is on.
(2) Automatic mode
When the water level rises to the pump starting water level in the automatic mode, the terminal 6 is closed, the KM1 coil is powered on, the No. 1 pump is started, when the water level falls below the pump starting water level, the No. 1 pump is stopped, and when the water level rises to the pump starting water level again next time, the KM2 coil is powered on, and the mode is switched to the mode that the No. 2 pump is started first, so that an automatic rotation function is realized. If the No. 1 pump fails in operation, the KH1 suction terminal 1 is closed, the pump is automatically switched to the No. 2 pump, otherwise, when the No. 2 pump fails in operation, the KH2 suction terminal 3 is closed, the pump is automatically switched to the No. 1 pump, and the fault rotation function is realized. When the water level reaches the high water level, namely the warning water level, the terminal 5 is closed, the KM1 and the KM2 are powered on simultaneously, and the two pumps run simultaneously.
The intelligent control system for the sewage pump has the advantages of simple control circuit, fewer components, no need of a large number of wires and complex wiring, convenient operation, low cost, great shortening of the wiring time of staff and improvement of the production efficiency.
All documents mentioned in this disclosure are incorporated by reference in this disclosure as if each were individually incorporated by reference. Further, it will be appreciated that various changes and modifications may be made by those skilled in the art after reading the above teachings, and such equivalents are intended to fall within the scope of the application as defined in the appended claims.
Claims (9)
1. An intelligent control system for a sewage pump, which is characterized in that the control system comprises (1) a power supply circuit: providing a control module with a stable voltage, including a live wire, a zero wire and a ground wire;
and (2) a control module comprising a first overload loop, a second overload loop, a first pump output loop, a second pump output loop, a pump-up control loop, and a warning water level control loop;
The first overload loop is connected with the first thermal relay, and the second overload loop is connected with the second thermal relay;
The first pump output loop is connected with the coil of the first alternating current contactor, and the second pump output loop is connected with the coil of the second alternating current contactor;
The pump starting control loop is connected with a pump starting water level sensor which is connected with a pump starting water level floating ball;
The warning water level control loop is connected with a high water level sensor which is connected with a high water level floating ball;
The control system also comprises a wiring terminal;
wherein the first overload loop is connected with a first terminal and a second terminal;
the second overload loop is connected with a third terminal and a fourth terminal;
the warning water level control loop is connected with a fifth terminal and a seventh terminal, and the pump starting control loop is connected with a sixth terminal and a seventh terminal;
The grounding wire is connected with an eighth terminal, the zero wire is connected with a ninth terminal, and the live wire is connected with a tenth terminal;
the second pump output circuit is connected with an eleventh terminal and a twelfth terminal;
The first pump output circuit is connected with a thirteenth terminal and a fourteenth terminal;
In the automatic mode, when the water level rises to the pump starting water level, the sixth terminal is closed, the coil of the first alternating current contactor is powered on, the first pump is started, when the water level falls below the pump starting water level, the first pump is stopped, and when the water level rises to the pump starting water level again next time, the coil of the second alternating current contactor is powered on, and the second alternating current contactor is switched to be started first, so that an automatic rotation function is realized.
2. The control system of claim 1, wherein the control system includes one or more backup terminals therein.
3. The control system of claim 1, wherein an automatic alarm is provided in the control system.
4. The control system of claim 1, wherein a fuse is provided in the control system.
5. The control system of claim 1, wherein an air switch is provided in the control system.
6. The control system of claim 1, wherein a system operation indicator light is provided in the control system.
7. The control system of claim 6, wherein the system operation indicator light comprises an automatic control indicator light, a manual control indicator light, a first water pump operation and second water pump standby indicator light, a second water pump operation and first water pump standby indicator light, a warning water indicator light, a first water pump operation indicator light, a first water pump overload indicator light, a second water pump operation indicator light, and a second water pump overload indicator light.
8. The control system according to claim 1, wherein a water pump operation state change-over switch is provided in the control system.
9. The control system of claim 8, wherein the pump operating state switch comprises an automatic/manual switch, a first pump start switch, a first pump stop switch, a second pump start switch, and a second pump stop switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611152078.0A CN108227599B (en) | 2016-12-14 | 2016-12-14 | Intelligent control system for sewage pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611152078.0A CN108227599B (en) | 2016-12-14 | 2016-12-14 | Intelligent control system for sewage pump |
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| CN108227599A CN108227599A (en) | 2018-06-29 |
| CN108227599B true CN108227599B (en) | 2024-05-14 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110552872A (en) * | 2019-10-18 | 2019-12-10 | 哈尔滨朗昇电气股份有限公司 | Intelligent water pump controller and control method |
| CN114183331A (en) * | 2021-12-10 | 2022-03-15 | 浙江中杭水泵股份有限公司 | Remote control system of high-efficient dredge pump |
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