CN112267549A - Integrated pump station - Google Patents
Integrated pump station Download PDFInfo
- Publication number
- CN112267549A CN112267549A CN202011078314.5A CN202011078314A CN112267549A CN 112267549 A CN112267549 A CN 112267549A CN 202011078314 A CN202011078314 A CN 202011078314A CN 112267549 A CN112267549 A CN 112267549A
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- Prior art keywords
- circuit
- liquid level
- barrel
- resistor
- signal
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0245—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the pump
- F04D15/0263—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the pump the condition being temperature, ingress of humidity or leakage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The invention discloses an integrated pump station, relates to automatic sewage treatment, and aims to solve the problems that personnel need to be arranged on duty when the pump station works, the labor cost is increased, and the labor intensity of the personnel is increased, and the technical scheme is characterized in that: including the barrel, be equipped with the inlet tube with the barrel inner chamber intercommunication on the barrel, the inner bottom end of barrel is equipped with a plurality of immersible pumps, and a plurality of immersible pumps are connected with the outlet pipe through the connecting pipe, and the top of barrel is equipped with intelligent control module, and intelligent control module includes: and the liquid level detection circuit is arranged in the cylinder body and outputs a liquid level signal when responding to that the liquid level is higher than the set water level. When the liquid level detection circuit detects the set liquid level of the liquid level height, the current limiting circuit reduces the circuit flowing through the submersible pump, so that the submersible pump can keep a low-power working state, sewage in the barrel body is pumped out, personnel is not needed to watch, and the labor intensity of people is reduced.
Description
Technical Field
The invention relates to automatic sewage treatment, in particular to an integrated pump station.
Background
In the industrial field, a prefabricated pump station is generally utilized to provide potential energy and pressure energy for sewage, rainwater, industrial wastewater and the like, and the prefabricated pump station is the only power source for solving the problems of drainage and irrigation, water supply and water resource allocation under the condition of no self-flow.
The integrated prefabricated pump station has the same structure, is generally wrapped by a glass fiber reinforced plastic shaft and is basically configured into a shaft, a maintenance platform, a water pump, a submersible sewage pump, a centrifugal pump, a grating, a reservoir, a self-cleaning tank rotating disc, an intelligent control cabinet/platform, a back flush valve, a water stop valve, a water inlet pipe, a water outlet pipe, a flange, a guide rail, a hanging chain, a self-coupling device, a water level sensor and the like.
Immersible pump operating time is of a specified duration, generates heat easily, and hot protector can automatic disconnection power, stops water pump work, then the fault lamp is bright, shows the alarm conditions always, and follow-up switch board can not automatic re-setting, makes the water pump carry out work, needs the manual work to open switch board inner line, carries out the current adjustment, and manual reset makes the water pump be in operating condition, so can only arrange personnel on duty, increase human cost and personnel's intensity of labour.
Therefore, a new solution is needed to solve this problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an integrated pump station, when the liquid level detection circuit detects the set liquid level of the liquid level height, the circuit flowing through the submersible pump is reduced through the current limiting circuit, so that the submersible pump can keep the working state of low power, the sewage in the cylinder is pumped out, the person is not required to watch, and the labor intensity of people is reduced.
The technical purpose of the invention is realized by the following technical scheme: integration pump station, including the barrel, be equipped with the inlet tube with the barrel inner chamber intercommunication on the barrel, the inner bottom end of barrel is equipped with a plurality of immersible pumps, and is a plurality of the immersible pump is connected with the outlet pipe through the connecting pipe, the top of barrel is equipped with intelligent control module, intelligent control module includes:
the temperature detection circuit is arranged in the submersible pump and used for detecting the operating temperature of the submersible pump to output a temperature signal;
the comparison circuit is connected with the temperature detection circuit and responds to the fact that the temperature signal is larger than the reference signal to output a power-off signal;
the switching circuit is connected with the comparison circuit and responds to a power-off signal to disconnect a power supply circuit of the submersible pump;
the liquid level detection circuit is arranged in the cylinder body and outputs a liquid level signal when responding to that the liquid level is higher than a set water level;
and the current limiting circuit is connected with the liquid level detection circuit and responds to the liquid level signal to reduce the current flowing through the submersible pump so as to conduct a power supply loop of the submersible pump.
Through adopting above-mentioned technical scheme, detect the temperature of immersible pump through temperature detection circuit, when the immersible pump generates heat seriously and be higher than the reference signal in the comparison circuit, make the supply circuit through switch circuit disconnection immersible pump, realize the outage operation to the immersible pump, make the immersible pump cool down simultaneously, and when detecting the liquid level through liquid level detection circuit and rising, carry liquid level signal in order to trigger current-limiting circuit, change the circuit of the immersible pump of flowing through, make the immersible pump be in low-power operating condition, still carry out the operation that the pressure boost promoted to the waste water in the barrel, realize automatic waste water treatment's operation, need not personnel's real-time monitoring on duty, people's intensity of labour has been.
The invention is further configured to: the temperature detection circuit comprises a temperature-sensitive resistor and a pull-up resistor, one end of the temperature-sensitive resistor is connected with a power supply VCC after being connected with the pull-up resistor in series, one end of the temperature-sensitive resistor is grounded, and the connecting end of the temperature-sensitive resistor and the pull-up resistor is connected with a comparison circuit.
By adopting the technical scheme, the temperature detection circuit is formed by the pull-up resistor and the temperature-sensitive resistor, so that when the submersible pump generates heat during working, the resistance value of the temperature-sensitive resistor is influenced by the temperature to change, the voltage transmitted to the comparison circuit is changed, and the heat generated by the submersible pump has good detection precision.
The invention is further configured to: the comparison circuit comprises a voltage comparator, a reference circuit is coupled to the reverse input end of the voltage comparator, the reference circuit comprises a first resistor and an adjustable potentiometer, the adjustable potentiometer is connected with a power supply VCC after being connected with the first resistor in series, and the other end of the adjustable potentiometer is grounded.
Through adopting above-mentioned technical scheme, through adjustable potentiometer and first resistance connection, realize adjusting the reference signal for voltage signal, and then change the heat to the immersible pump outage, avoid the immersible pump to be in the operating condition that generates heat of high power for a long time, improve the life of immersible pump.
The invention is further configured to: the liquid level detection circuit is connected with a reset circuit and a judgment circuit, the reset circuit is coupled with the switch circuit and responds to a power-off signal to convey a liquid level signal to the judgment circuit, and the judgment circuit responds to the liquid level signal larger than a set reference to output a starting signal to the current limiting circuit.
By adopting the technical scheme, the reset circuit is coupled with the switch circuit, so that when the switch circuit is triggered, the reset circuit is conducted, the liquid level detection signal is transmitted to the judgment circuit, and when the liquid level signal is greater than the set reference, namely the liquid level is higher than the set liquid level, the output starting signal triggers the circuit to work together with the submersible pump.
The invention is further configured to: the current limiting circuit is connected in parallel to two connecting ends of the submersible pump and comprises a current limiting triode, a bias resistor is coupled between a collector electrode and a base electrode of the current limiting triode, a divider resistor is connected in series with an emitting electrode of the current limiting triode, and a second resistor is connected between the base electrode of the current limiting triode and one end of the divider resistor.
Through adopting above-mentioned technical scheme, when electric current is more than or equal to and sets for to, the voltage drop at divider resistance and second resistance both ends is close for the circuit that flows through on the restriction current-limiting triode, and then the restriction current size of flowing through the immersible pump keeps the immersible pump work, slows down the situation of generating heat of immersible pump, improves the life of immersible pump.
The invention is further configured to: the liquid level detection circuit comprises a square wave generating circuit, a high-pass filter circuit, a rectifying circuit, a low-pass filter circuit, a voltage comparison circuit and a level conversion circuit which are sequentially connected.
By adopting the technical scheme, the square wave generating circuit generates the square wave signal, and clutter in the square wave signal is filtered through the high-pass filter circuit, the rectifier circuit and the low-pass filter circuit, so that the precision of liquid level detection is improved.
The invention is further configured to: the square wave generating circuit is a multivibrator circuit based on a chip 555, a capacitive liquid suction probe is connected in the multivibrator circuit, and the liquid suction probe is used for detecting the liquid level height in the cylinder.
Through adopting above-mentioned technical scheme, the multivibrator circuit through chip 555 produces square wave signal, and through capacitanc imbibition probe, when the high touching imbibition probe of liquid in the barrel, the electric capacity increase in the twinkling of an eye has changed square wave signal's range and because RC delays to become the triangle wave, improves liquid level detection's efficiency, improves liquid level detection's precision simultaneously.
The invention is further configured to: the switch circuit comprises a switch triode and a normally-open relay, the base of the switch triode is connected with the output end of the comparison circuit, the collector of the switch triode is connected with the relay in series to the power VCC, and the emitter of the switch triode is connected with the rear of the light emitting diode in series and then is grounded.
Through adopting above-mentioned technical scheme, through the setting of switch triode, have longe-lived, safe and reliable, do not have mechanical wear, switching speed is fast, characteristics such as small, when having good control effect, have good life, and through emitting diode's setting, when switching circuit triggers, there is the condition that generates heat in the suggestion people's immersible pump through light, in time overhauls.
In conclusion, the invention has the following beneficial effects:
detect the temperature of immersible pump through temperature detection circuit, just be higher than the reference signal in the comparison circuit when the immersible pump generates heat seriously, make the supply circuit through switch circuit disconnection immersible pump, realize the outage operation to the immersible pump, make the immersible pump cool down simultaneously, and when detecting the liquid level through liquid level detection circuit and rising, carry liquid level signal in order to trigger current-limiting circuit, change the circuit of the immersible pump of flowing through, make the immersible pump be in low-power operating condition, still carry out the operation that the pressure boost promoted to the waste water in the barrel, realize automatic waste water treatment's operation, it guards to need not personnel real-time monitoring, people's intensity of labour has been reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a block diagram of the intelligent control module of the present invention;
FIG. 3 is a schematic circuit diagram of the temperature detection circuit of the present invention;
FIG. 4 is a circuit schematic of the current limiting circuit of the present invention;
FIG. 5 is a schematic circuit diagram of a square wave generating circuit according to the present invention;
fig. 6 is a schematic circuit diagram of the level shift circuit of the present invention.
In the figure: 1. a barrel; 2. a water inlet pipe; 3. a submersible pump; 4. a water outlet pipe; 5. an intelligent control module; 6. a temperature detection circuit; 7. a comparison circuit; 8. a switching circuit; 9. a liquid level detection circuit; 10. a current limiting circuit; 11. a reference circuit; 12. a reset circuit; 13. a judgment circuit; 14. a square wave generating circuit; 15. a high-pass filter circuit; 16. a rectifying circuit; 17. a low-pass filter circuit; 18. a voltage comparison circuit; 19. a level conversion circuit.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Integration pump station, as shown in fig. 1 and 2, including barrel 1, be equipped with the inlet tube 2 with 1 inner chamber intercommunication of barrel on the barrel 1, the interior bottom of barrel 1 is equipped with a plurality of immersible pumps 3, and a plurality of immersible pumps 3 are connected with outlet pipe 4 through the connecting pipe, and the top of barrel 1 is equipped with intelligent control module 5, and intelligent control module 5 includes: a temperature detection circuit 6, a comparison circuit 7, a switch circuit 8, a liquid level detection circuit 9 and a current limiting circuit 10.
As shown in fig. 3, the temperature detection circuit 6 is disposed in the submersible pump 3 and configured to detect an operating temperature of the submersible pump 3 to output a temperature signal, specifically, the temperature detection circuit 6 includes a temperature sensitive resistor RT and a pull-up resistor R1, one end of the temperature sensitive resistor RT is connected in series with the pull-up resistor R1 and then connected to the power VCC, one end of the temperature sensitive resistor RT is grounded, and a connection end of the temperature sensitive resistor RT and the pull-up resistor R1 is connected to the comparison circuit 7.
As shown in fig. 3, the comparison circuit 7 is connected to the temperature detection circuit 6, and outputs a power-off signal in response to the temperature signal being greater than the reference signal, specifically, the comparison circuit 7 includes a voltage comparator, the inverting input terminal of the voltage comparator is coupled to the reference circuit 11, the reference circuit 11 includes a first resistor R2 and an adjustable potentiometer RP1, the adjustable potentiometer RP1 is connected in series with the first resistor R2 and then connected to the power supply VCC, and the other terminal of the adjustable potentiometer RP1 is connected to the ground.
As shown in fig. 3, the switching circuit 8 is connected to the comparison circuit 7, and is responsive to the power-off signal to disconnect the power supply circuit of the submersible pump 3, specifically, the switching circuit 8 includes a switching transistor Q1 and a normally-open relay, the base of the switching transistor Q1 is connected to the output terminal of the comparison circuit 7, the collector of the switching transistor Q1 is connected in series to the relay to the power source VCC, and the emitter of the switching transistor Q1 is connected in series to the light emitting diode LED1 and then grounded.
As shown in fig. 5 and 6, the liquid level detection circuit 9 is disposed in the cylinder 1, and outputs a liquid level signal when the liquid level is higher than the set water level in response to the liquid level, the liquid level detection circuit 9 is connected with a reset circuit 12 and a judgment circuit 13, the reset circuit 12 is coupled with the switch circuit 8, and transmits the liquid level signal to the judgment circuit 13 in response to the power-off signal, the judgment circuit 13 outputs a start signal to the current limiting circuit 10 in response to the liquid level signal being greater than the set reference, the liquid level detection circuit 9 includes a square wave generation circuit 14, a high-pass filter circuit 15, a rectification circuit 16, a low-pass filter circuit 17, a voltage comparison circuit 18, and a level conversion circuit 19, which are connected in sequence, wherein the square wave generation circuit 14 is a multivibrator circuit based on a chip 555, a liquid absorption probe is connected in the multivibrator circuit, and the.
As shown in fig. 4, the current limiting circuit 10 is connected to the liquid level detecting circuit 9, and reduces the current flowing through the submersible pump 3 in response to the liquid level signal to turn on the power supply circuit of the submersible pump 3, the current limiting circuit 10 is connected in parallel to both connection terminals of the submersible pump 3, the current limiting circuit 10 includes a current limiting transistor Q2, a bias resistor R4 is coupled between the collector and the base of the current limiting transistor Q2, a voltage dividing resistor R6 is connected in series to the emitter of the current limiting transistor Q2, and a second resistor R5 is connected between the base of the current limiting transistor Q2 and one end of the voltage dividing resistor R6.
The working process is as follows: rainwater or sewage flows into the barrel body 1 through the water inlet pipe 2, so that the liquid level in the barrel body 1 is raised, the submersible pump 3 works to boost and lift the sewage or the rainwater in the barrel body 1, when the submersible pump 3 works at high power for a long time, the submersible pump 3 generates heat, the temperature in the submersible pump 3 is detected through the temperature sensitive resistor in the temperature detection circuit 6, the resistance value of the temperature sensitive resistor is increased, the potential at the joint of the pull-up resistor R1 and the temperature sensitive resistor is increased, the voltage comparator is connected with the reverse input end of the voltage comparator through the voltage comparator, when the temperature is raised, so that the temperature signal which is a voltage signal is greater than a reference signal, a high-level judgment signal is output to the switching triode Q1, the switching triode Q1 is conducted, so that the relay KM and the light emitting diode LED1 are electrified, people are prompted by lighting the light emitting diode LED1, and the normally closed control switch KM1-1 of the, the submersible pump 3 is powered off for cooling, and simultaneously, a normally open control switch KM1-2 of the relay is closed, so that a liquid level signal measured by a liquid level detection circuit 9 can be transmitted to a judgment circuit 13 through a reset circuit 12, when the liquid level rises and sewage is contacted with a liquid suction probe, the capacitance value of the capacitive liquid suction probe is changed, the measured liquid level signal is rectified and filtered through a high-pass filter circuit 15, a rectifier circuit 16 and a low-pass filter circuit 17, unstable clutter signals in the liquid level signal are reduced, the level conversion circuit 19 and the judgment circuit 13 are compared with a preset reference of a basic liquid level, when the liquid level is higher than the preset liquid level, the current limiting circuit 10 is closed, and the current supplied to the submersible pump 3 is reduced through a current limiting triode Q2, a voltage dividing resistor R6 and a second resistor R5 in the current limiting circuit 10, so that the submersible pump 3 can still keep the working condition of low power, carry out the pressure boost to the sewage in the barrel 1 and carry, need not people and watch on the pump station in real time, reduce people's intensity of labour.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. Integration pump station, its characterized in that: including barrel (1), be equipped with inlet tube (2) with barrel (1) inner chamber intercommunication on barrel (1), the inner bottom of barrel (1) is equipped with a plurality of immersible pumps (3), and is a plurality of immersible pump (3) are connected with outlet pipe (4) through the connecting pipe, the top of barrel (1) is equipped with intelligent control module (5), intelligent control module (5) include:
the temperature detection circuit (6) is arranged in the submersible pump (3) and is used for detecting the operation temperature of the submersible pump (3) to output a temperature signal;
the comparison circuit (7) is connected with the temperature detection circuit (6) and responds that the temperature signal is larger than the reference signal to output a power-off signal;
the switching circuit (8) is connected with the comparison circuit (7) and responds to a power-off signal to disconnect a power supply circuit of the submersible pump (3);
the liquid level detection circuit (9) is arranged in the barrel (1) and outputs a liquid level signal when responding to the liquid level higher than a set water level;
and the current limiting circuit (10) is connected with the liquid level detection circuit (9) and is used for reducing the current flowing through the submersible pump (3) in response to the liquid level signal so as to conduct a power supply loop of the submersible pump (3).
2. The integrated pump station according to claim 1, wherein: the temperature detection circuit (6) comprises a temperature-sensitive resistor and a pull-up resistor, one end of the temperature-sensitive resistor is connected with a power supply VCC after being connected with the pull-up resistor in series, one end of the temperature-sensitive resistor is grounded, and the connecting end of the temperature-sensitive resistor and the pull-up resistor is connected with the comparison circuit (7).
3. The integrated pump station according to claim 2, wherein: the comparison circuit (7) comprises a voltage comparator, a reference circuit (11) is coupled to the reverse input end of the voltage comparator, the reference circuit (11) comprises a first resistor and an adjustable potentiometer, the adjustable potentiometer is connected with a power supply VCC after being connected with the first resistor in series, and the other end of the adjustable potentiometer is grounded.
4. The integrated pump station according to claim 1, wherein: the liquid level detection circuit (9) is connected with a reset circuit (12) and a judgment circuit (13), the reset circuit (12) is coupled with the switch circuit (8) and responds to a power-off signal to transmit a liquid level signal to the judgment circuit (13), and the judgment circuit (13) responds to the fact that the liquid level signal is greater than a set reference to output a starting signal to the current limiting circuit (10).
5. The integrated pump station according to claim 1, wherein: the current limiting circuit (10) is connected in parallel to two connecting ends of the submersible pump (3), the current limiting circuit (10) comprises a current limiting triode, a bias resistor is coupled between a collector electrode and a base electrode of the current limiting triode, a divider resistor is connected in series with an emitting electrode of the current limiting triode, and a second resistor is connected between the base electrode of the current limiting triode and one end of the divider resistor.
6. The integrated pump station according to claim 1, wherein: the liquid level detection circuit (9) comprises a square wave generation circuit (14), a high-pass filter circuit (15), a rectification circuit (16), a low-pass filter circuit (17), a voltage comparison circuit (18) and a level conversion circuit (19) which are connected in sequence.
7. The integrated pump station according to claim 6, wherein: the square wave generating circuit (14) is a multi-harmonic oscillation circuit based on a chip 555, a capacitive liquid suction probe is connected in the multi-harmonic oscillation circuit, and the liquid suction probe is used for detecting the liquid level height in the cylinder body (1).
8. The integrated pump station according to claim 1, wherein: switch circuit (8) are including the relay of switch triode and normal open type, the base of switch triode is connected with the output of comparison circuit (7), the collecting electrode series connection relay of switch triode to power VCC, ground connection behind the projecting pole series connection emitting diode of switch triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011078314.5A CN112267549A (en) | 2020-10-10 | 2020-10-10 | Integrated pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011078314.5A CN112267549A (en) | 2020-10-10 | 2020-10-10 | Integrated pump station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112267549A true CN112267549A (en) | 2021-01-26 |
Family
ID=74338789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011078314.5A Pending CN112267549A (en) | 2020-10-10 | 2020-10-10 | Integrated pump station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112267549A (en) |
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Application publication date: 20210126 |