CN106762590B - Blowdown method for controlling pump and system - Google Patents
Blowdown method for controlling pump and system Download PDFInfo
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- CN106762590B CN106762590B CN201710210028.1A CN201710210028A CN106762590B CN 106762590 B CN106762590 B CN 106762590B CN 201710210028 A CN201710210028 A CN 201710210028A CN 106762590 B CN106762590 B CN 106762590B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 239000010865 sewage Substances 0.000 claims description 93
- 238000001514 detection method Methods 0.000 claims description 84
- 239000010802 sludge Substances 0.000 claims description 80
- 239000003990 capacitor Substances 0.000 claims description 72
- 102100039435 C-X-C motif chemokine 17 Human genes 0.000 claims description 10
- 101000889048 Homo sapiens C-X-C motif chemokine 17 Proteins 0.000 claims description 10
- 235000003181 Panax pseudoginseng Nutrition 0.000 claims description 10
- 244000131316 Panax pseudoginseng Species 0.000 claims description 10
- 230000001012 protector Effects 0.000 claims description 10
- 238000010998 test method Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 8
- 238000007689 inspection Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The embodiment of the invention discloses the control methods and system of a kind of blowdown pump control system, master chip, display equipment, water level sensor, buzzer, indicator light and dredge pump, wherein, master chip is connect with display equipment, water level sensor, buzzer, indicator light and dredge pump respectively.The present invention has the advantages that high reliablity.
Description
Technical Field
The invention relates to the field of property, in particular to a method and a system for controlling a sewage pump.
Background
The time of current dredge pump work is uncertain, if the dredge pump is out of work for a long time probably leads to inside rust of dredge pump or circuit corrosion, influences the job stabilization nature of dredge pump, so current technical scheme need set for the time by artifical mode to patrol and examine the dredge pump.
The existing manual inspection mode is high in cost.
Disclosure of Invention
The technical problem to be solved by the embodiment of the invention is to provide a method and a system for controlling a sewage pump. It adopts automatic mode of patrolling and examining to reduce the cost of labor.
In order to solve the above technical problem, an embodiment of the present invention provides a control method of a drain pump control system, the system including: a main chip, a display device, a water level sensor, a buzzer, an indicator light, a timer circuit and a sewage pump, wherein,
the main chip is respectively connected with the display device, the water level sensor, the buzzer, the indicator lamp, the timer circuit and the sewage pump; the timer circuit includes: the timer chip comprises a timer chip, a resistor and a capacitor, wherein an SCK pin of the timer chip is connected with an RTC-SCL pin of a main chip, an I/O pin of the timer chip is connected with an RTC-SDA pin of the main chip, an RST pin of the timer chip is connected with an RTC-CS pin of the main chip, a GND pin of the timer chip is grounded, an X2 pin of the timer chip is connected with one end of a seventeenth capacitor, the other end of the seventeenth capacitor is grounded, one end of a surge protector is connected with an X2 pin, the other end of the surge protector is connected with an X1 pin, one end of an eighteenth capacitor is connected with an X1 pin, the other end of the eighteenth capacitor is grounded, a VCC1 pin of the timer chip is connected with one end of a nineteenth capacitor, the other end of the nineteenth capacitor is grounded, an anode of an eleventh diode is connected with an anode of a battery and a VCC 36, the cathode of the fifteenth diode is connected with a VCC1 pin, one end of a first third six resistor is connected with a 5V voltage source, the other end of the first third six resistor is connected with an SCK pin, one end of a first pseudo-ginseng resistor is connected with the 5V voltage source, the other end of the first pseudo-ginseng resistor is connected with an I/O pin, one end of a first fourth resistor is connected with the 5V voltage source, and the other end of the first fourth resistor is connected with a RST pin;
the method comprises the following steps:
the timer chip starts a first timer, and when the first timer is overtime, an overtime signal is output to the main chip through an I/0 pin of the timer chip;
the main chip automatically patrols and examines a program;
the automatic inspection program specifically comprises:
after starting, carrying out sludge detection for the first time to determine whether the sludge thickness reaches a set value, if the sludge thickness reaches the set value, opening a first water valve, delaying for a set time, carrying out sludge detection for the second time to determine whether the sludge thickness reaches the set value, if the sludge thickness reaches the set value, opening a second water valve, delaying for a set time, carrying out sludge detection for the third time to determine whether the sludge thickness reaches the set value, if the sludge thickness reaches the set value, closing the first water valve and the second water valve, and outputting an alarm if the sludge thickness exceeds the set value;
if the thickness of the sludge is determined to be not equal to a set value through sludge detection, three-phase voltage balance detection is carried out, if the three-phase voltage balance detection is carried out, output alarm is carried out, if the three-phase voltage balance detection is carried out, after the first sewage pump is started for 2 seconds, three-phase current balance detection is carried out, if the three-phase current balance detection is carried out, after the time delay is carried out for 2 seconds, the temperature detection of the first sewage pump is carried out, if the temperature detection of the first sewage pump is lower than the set temperature, three-phase current limit detection is carried out, if the three-phase current limit is higher than the limit value, the first; if the temperature of the first sewage pump is higher than the set temperature, stopping the first sewage pump, and outputting an alarm;
if the three-phase circuit limit value is smaller than the limit value, delaying for 2 seconds, stopping the first sewage pump, starting the second sewage pump, performing three-phase current balance detection, if the three-phase current is unbalanced, determining that the second sewage pump is fixed, if the three-phase current is balanced, delaying for 2 seconds, performing temperature detection on the second sewage pump, if the three-phase current limit value is smaller than the set temperature, performing three-phase current limit value detection, if the three-phase current limit value is larger than the limit value, determining that the second sewage pump is locked, and outputting an alarm; and if the temperature of the second sewage pump is higher than the set temperature, stopping the second sewage pump and outputting an alarm.
Optionally, the system further includes: a buzzer circuit, the buzzer circuit comprising: a voltage source, a diode, a triode and a resistor; wherein,
the port 1 of the buzzer is connected with one end of a fourteenth resistor, the other end of the fourteenth resistor is connected with the voltage source, the port 2 of the buzzer is connected with a collector of a second triode, an emitter of the second triode is grounded, a base of the second triode is connected with the other end of a seventy resistor, one end of the seventy resistor is connected with a BEEP interface of the main chip, one end of a hundred forty resistor is connected with a base of the second triode, the other end of the hundred forty resistor is grounded, an anode of a fifth diode is connected with an emitter of the second triode, and a cathode of the fifth diode is connected with one end of the fourteenth resistor.
Optionally, the system further includes: an indicator light circuit comprising: light emitting diode, resistor, diode, triode, and voltage source,
the voltage source is connected with the anode of the light emitting diode, the cathode of the light emitting diode is connected with the collector of the triode after being connected with the first sixty-eight resistor in series, the base of the triode is connected with the pin of the indicator lamp of the first sixty-six resistor in series and connected with the main chip, the emitter of the triode is grounded, one end of the first sixty-six resistor is connected with the base of the triode, and the other end of the first sixty-six resistor is grounded.
Optionally, the system further includes: a water level sensor circuit comprising: the voltage source is connected with an emitting electrode of the second zero triode transistor, a collector electrode of the second zero triode transistor is connected with a pin of the main chip PA4 in series with the second one-to-one resistor, a base electrode of the second zero triode transistor Q203 is connected with a second nine-six resistor R296 in series and a second zero three capacitor C203 is connected with the ground, an anode of the first zero diode is connected between the second zero three capacitor C203 and the second nine-six resistor R296, a cathode of the first zero diode is connected with a pin 3 of the water level sensor, and the second nine-eight resistor R298 is connected with an emitting electrode and a base electrode of the second zero triode transistor Q203;
the voltage source is connected with an emitting electrode of a fourth triode, a collector electrode of the fourth triode is connected with a first seven-two resistor in series and is connected with a main chip PA5 pin, a base electrode of the fourth triode is connected with a first seven-three resistor in series and a second nine capacitor in series and is connected with the ground, an anode of a twentieth diode is connected between the first seven-three resistor and the second nine capacitor, a cathode of the twentieth diode is connected with a No. 2 pin of the water level sensor, and the first seven-four resistor is connected with the emitting electrode and the base electrode of the fourth triode;
the voltage source is connected with an emitting electrode of a fourth triode, a collector electrode of the fourth triode is connected with a first sixty-nine resistor in series and is connected with a main chip PA6 pin, a base electrode of the fourth triode is connected with a first seven-zero resistor in series and a second seven capacitor in series and is connected with the ground, an anode of a nineteenth diode is connected between the first seven-zero resistor and the second seven capacitor, a cathode of the nineteenth diode is connected with a No. 1 pin of the water level sensor, and the first seven-resistor is connected with the emitting electrode and the base electrode of the fourth triode; pin No. 4 of the water level sensor is grounded.
In a second aspect, there is provided a drain pump control system, the system comprising: a main chip, a display device, a water level sensor, a buzzer, an indicator light, a timer circuit and a sewage pump, wherein,
the main chip is respectively connected with the display device, the water level sensor, the buzzer, the indicator lamp, the timer circuit and the sewage pump; the timer circuit includes: the timer chip comprises a timer chip, a resistor and a capacitor, wherein an SCK pin of the timer chip is connected with an RTC-SCL pin of a main chip, an I/O pin of the timer chip is connected with an RTC-SDA pin of the main chip, an RST pin of the timer chip is connected with an RTC-CS pin of the main chip, a GND pin of the timer chip is grounded, an X2 pin of the timer chip is connected with one end of a seventeenth capacitor, the other end of the seventeenth capacitor is grounded, one end of a surge protector is connected with an X2 pin, the other end of the surge protector is connected with an X1 pin, one end of an eighteenth capacitor is connected with an X1 pin, the other end of the eighteenth capacitor is grounded, a VCC1 pin of the timer chip is connected with one end of a nineteenth capacitor, the other end of the nineteenth capacitor is grounded, an anode of an eleventh diode is connected with an anode of a battery and a VCC 36, the cathode of the fifteenth diode is connected with a VCC1 pin, one end of a first third six resistor is connected with a 5V voltage source, the other end of the first third six resistor is connected with an SCK pin, one end of a first pseudo-ginseng resistor is connected with the 5V voltage source, the other end of the first pseudo-ginseng resistor is connected with an I/O pin, one end of a first fourth resistor is connected with the 5V voltage source, and the other end of the first fourth resistor is connected with a RST pin;
the timer chip is used for starting a first timer, and outputting an overtime signal to the main chip through an I/0 pin of the timer chip when the first timer is overtime;
the main chip is used for automatically inspecting programs;
the automatic inspection program specifically comprises:
after starting, carrying out sludge detection for the first time to determine whether the sludge thickness reaches a set value, if the sludge thickness reaches the set value, opening a first water valve, delaying for a set time, carrying out sludge detection for the second time to determine whether the sludge thickness reaches the set value, if the sludge thickness reaches the set value, opening a second water valve, delaying for a set time, carrying out sludge detection for the third time to determine whether the sludge thickness reaches the set value, if the sludge thickness reaches the set value, closing the first water valve and the second water valve, and outputting an alarm if the sludge thickness exceeds the set value;
if the thickness of the sludge is determined to be not equal to a set value through sludge detection, three-phase voltage balance detection is carried out, if the three-phase voltage balance detection is carried out, output alarm is carried out, if the three-phase voltage balance detection is carried out, after the first sewage pump is started for 2 seconds, three-phase current balance detection is carried out, if the three-phase current balance detection is carried out, after the time delay is carried out for 2 seconds, the temperature detection of the first sewage pump is carried out, if the temperature detection of the first sewage pump is lower than the set temperature, three-phase current limit detection is carried out, if the three-phase current limit is higher than the limit value, the first; if the temperature of the first sewage pump is higher than the set temperature, stopping the first sewage pump, and outputting an alarm;
if the three-phase circuit limit value is smaller than the limit value, delaying for 2 seconds, stopping the first sewage pump, starting the second sewage pump, performing three-phase current balance detection, if the three-phase current is unbalanced, determining that the second sewage pump is fixed, if the three-phase current is balanced, delaying for 2 seconds, performing temperature detection on the second sewage pump, if the three-phase current limit value is smaller than the set temperature, performing three-phase current limit value detection, if the three-phase current limit value is larger than the limit value, determining that the second sewage pump is locked, and outputting an alarm; and if the temperature of the second sewage pump is higher than the set temperature, stopping the second sewage pump and outputting an alarm.
Optionally, the system further includes: a buzzer circuit, the buzzer circuit comprising: a voltage source, a diode, a triode and a resistor; wherein,
the port 1 of the buzzer is connected with one end of a fourteenth resistor, the other end of the fourteenth resistor is connected with the voltage source, the port 2 of the buzzer is connected with a collector of a second triode, an emitter of the second triode is grounded, a base of the second triode is connected with the other end of a seventy resistor, one end of the seventy resistor is connected with a BEEP interface of the main chip, one end of a hundred forty resistor is connected with a base of the second triode, the other end of the hundred forty resistor is grounded, an anode of a fifth diode is connected with an emitter of the second triode, and a cathode of the fifth diode is connected with one end of the fourteenth resistor.
Optionally, the system further includes: an indicator light circuit comprising: light emitting diode, resistor, diode, triode, and voltage source,
the voltage source is connected with the anode of the light emitting diode, the cathode of the light emitting diode is connected with the collector of the triode after being connected with the first sixty-eight resistor in series, the base of the triode is connected with the pin of the indicator lamp of the first sixty-six resistor in series and connected with the main chip, the emitter of the triode is grounded, one end of the first sixty-six resistor is connected with the base of the triode, and the other end of the first sixty-six resistor is grounded.
Optionally, the system further includes: a water level sensor circuit comprising: the voltage source is connected with an emitting electrode of the second zero triode transistor, a collector electrode of the second zero triode transistor is connected with a pin of the main chip PA4 in series with the second one-to-one resistor, a base electrode of the second zero triode transistor Q203 is connected with a second nine-six resistor R296 in series and a second zero three capacitor C203 is connected with the ground, an anode of the first zero diode is connected between the second zero three capacitor C203 and the second nine-six resistor R296, a cathode of the first zero diode is connected with a pin 3 of the water level sensor, and the second nine-eight resistor R298 is connected with an emitting electrode and a base electrode of the second zero triode transistor Q203;
the voltage source is connected with an emitting electrode of a fourth triode, a collector electrode of the fourth triode is connected with a first seven-two resistor in series and is connected with a main chip PA5 pin, a base electrode of the fourth triode is connected with a first seven-three resistor in series and a second nine capacitor in series and is connected with the ground, an anode of a twentieth diode is connected between the first seven-three resistor and the second nine capacitor, a cathode of the twentieth diode is connected with a No. 2 pin of the water level sensor, and the first seven-four resistor is connected with the emitting electrode and the base electrode of the fourth triode;
the voltage source is connected with an emitting electrode of a fourth triode, a collector electrode of the fourth triode is connected with a first sixty-nine resistor in series and is connected with a main chip PA6 pin, a base electrode of the fourth triode is connected with a first seven-zero resistor in series and a second seven capacitor in series and is connected with the ground, an anode of a nineteenth diode is connected between the first seven-zero resistor and the second seven capacitor, a cathode of the nineteenth diode is connected with a No. 1 pin of the water level sensor, and the first seven-resistor is connected with the emitting electrode and the base electrode of the fourth triode; pin No. 4 of the water level sensor is grounded.
It will be appreciated by those of ordinary skill in the art that although the following detailed description will proceed with reference being made to illustrative embodiments, the present invention is not intended to be limited to these embodiments. Rather, the scope of the invention is broad and is intended to be defined only by the claims appended hereto.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a first preferred embodiment of a first sewage pump control system according to the present invention.
Fig. 2 is a schematic diagram of a main chip pin according to the present invention.
Fig. 3 is a schematic diagram of a buzzer circuit provided by the present invention.
Fig. 4 is a schematic diagram of an indicator light circuit provided by the present invention.
Fig. 5 is a schematic circuit diagram of the water level sensor provided by the present invention.
Fig. 6 is a schematic diagram of a timer circuit provided by the present invention.
Fig. 7 is a schematic flow chart of an automatic inspection process provided by the present invention (water pump represents sewage pump in the figure).
Fig. 8 is a circuit diagram of current detection.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The embodiment of the invention provides a sewage pump control system. The system is shown in FIG. 1 and includes; a main chip 10 (model: ATMEGA-DIP40-AA, pin diagram shown in fig. 2), a display device 11, a water level sensor 12, a buzzer 13, an indicator lamp 14, and a sewage pump 15, wherein,
the main chip 10 is connected with a display device 11, a water level sensor 12, a buzzer 13, an indicator light 14, a timer 16 and a sewage pump 15, respectively.
The connection circuit of the sewage pump 15 and the display device 11 may be an existing circuit, and will not be described herein.
The main chip starts an automatic inspection program;
the automatic inspection program (as shown in fig. 7) specifically includes:
after starting, carrying out sludge detection for the first time to determine whether the sludge thickness reaches a set value, if the sludge thickness reaches the set value, opening a first water valve, delaying for a set time, carrying out sludge detection for the second time to determine whether the sludge thickness reaches the set value, if the sludge thickness reaches the set value, opening a second water valve, delaying for a set time, carrying out sludge detection for the third time to determine whether the sludge thickness reaches the set value, if the sludge thickness reaches the set value, closing the first water valve and the second water valve, and outputting an alarm if the sludge thickness exceeds the set value;
if the thickness of the sludge is determined to be not equal to a set value through sludge detection, three-phase voltage balance detection is carried out, if the three-phase voltage balance detection is carried out, output alarm is carried out, if the three-phase voltage balance detection is carried out, after the first sewage pump is started for 2 seconds, three-phase current balance detection is carried out, if the three-phase current balance detection is carried out, after the time delay is carried out for 2 seconds, the temperature detection of the first sewage pump is carried out, if the temperature detection of the first sewage pump is lower than the set temperature, three-phase current limit detection is carried out, if the three-phase current limit is higher than the limit value, the first; if the temperature of the first sewage pump is higher than the set temperature, stopping the first sewage pump, and outputting an alarm;
if the three-phase circuit limit value is smaller than the limit value, delaying for 2 seconds, stopping the first sewage pump, starting the second sewage pump, performing three-phase current balance detection, if the three-phase current is unbalanced, determining that the second sewage pump is fixed, if the three-phase current is balanced, delaying for 2 seconds, performing temperature detection on the second sewage pump, if the three-phase current limit value is smaller than the set temperature, performing three-phase current limit value detection, if the three-phase current limit value is larger than the limit value, determining that the second sewage pump is locked, and outputting an alarm; and if the temperature of the second sewage pump is higher than the set temperature, stopping the second sewage pump and outputting an alarm.
The three-phase current balance detection may be implemented by a current detection circuit (as shown in fig. 7), and when it is detected that a deviation between any one of the three-phase currents and the set current exceeds a set value, it is determined that the three-phase currents are unbalanced, and conversely, it is determined that the three-phase currents are balanced, and in addition, the setting delay of 2 seconds has an advantage of avoiding that the current fluctuation greatly affects the detection accuracy when the sewage pump is started.
The current detection circuit includes: the current sensor, the resistor and the capacitor, wherein one end of a third current transformer L3 is grounded, the other end of the third current transformer L3 is connected with one end of a first fourth fifth resistor R145, the other end of the first fourth fifth resistor R145 is connected with a PA0 (No. 40) pin of the main chip, a first fourth resistor R144 is connected with the third current transformer L3 in parallel, one end of a first current transformer L1 is grounded, the other end of a first current transformer L1 is connected with one end of a first fourth seventh resistor R147, the other end of the first fourth seventh resistor R147 is connected with a PA1 (No. 39) pin of the main chip, a first fourth second resistor R142 is connected with the first current transformer L1 in parallel, one end of a second current transformer L2 is grounded, the other end of a second current transformer L2 is connected with one end of a first fourth sixth resistor R146, the other end of the first fourth sixth resistor R146 is connected with a PA2 (No. 38) pin of the main chip, the first fourth third resistor R143 is connected with the first current transformer L, one end of a twenty-first capacitor C21 is connected with a PA0 (No. 40) pin, the other end of the twenty-second capacitor C22 is connected with a PA1 (No. 39) pin, the other end of the twenty-second capacitor C22 is grounded, one end of a twenty-third capacitor C23 is connected with a PA2 (No. 38) pin, and the other end of the twenty-third capacitor C23 is grounded.
The effect of the capacitor is mainly described, the current performs a filtering effect on the output signal of the current transformer to reduce the noise signal of the output signal, and in addition, the parallel resistor with the current transformer performs current limiting protection on the current transformer, so the current can improve the stability of the system.
The automatic inspection program provided by the invention can automatically realize inspection of the sewage pump through software, so that the automatic inspection program has the advantage of cost saving.
The timer chip starts a first timer, and when the first timer is overtime, an overtime signal is output to the main chip through an I/0 pin of the timer chip;
the main chip starts dredge pump self-checking procedure, silt self-checking procedure and automatic program control dredge pump control system specifically includes:
step 1, detecting whether the thickness of the sludge is greater than a set value, opening a first water valve for 10 seconds when the thickness of the sludge is greater than the set value, and executing step 4;
step 2, when the sludge thickness is still larger than the set value after 10 seconds, opening the first water valve and the second water valve, and executing step 4, wherein the sludge thickness is smaller than the set value within 10 seconds;
step 3, after 10 seconds, the thickness of the sludge is still larger than a set value, and an alarm is output when the thickness of the sludge exceeds the standard;
step 4, detecting the three-phase voltage balance, if the three-phase voltage balance exists, executing the step 5, otherwise, outputting an alarm;
5, starting current limit detection 5 seconds after starting the first water valve, and outputting a locked-rotor alarm of the sewage pump when the running current of the sewage pump exceeds the current limit of normal running; otherwise, executing step 6;
and 6, operating the sewage pump normally for 30 seconds.
This application has increased level sensor 12, can realize the detection to the water level like this when this system work, so its operation that can avoid dredge pump when low water level improves the stability of system. In addition, a buzzer 13 is added, and a user can be warned through sound. In addition, the timer circuit can be used for timing time, when the corresponding time is reached, whether the sewage pump works or not is detected, if the sewage pump does not work, the sewage pump is started to work, and therefore the condition that the sewage pump works unstably due to the fact that the sewage pump does not work for a long time is avoided.
Optionally, as shown in fig. 3, the system further includes: a buzzer circuit, the buzzer circuit comprising: the device comprises a buzzer 13, a voltage source (5V), a diode D5, a triode Q2 and a resistor; wherein,
the port 1 of the buzzer 13 is connected with one end of a fourteenth resistor R14, the other end of the fourteenth resistor R14 is connected with a voltage source (5V), the port 2 of the buzzer 13 is connected with the collector of a second triode Q2, the emitter of the second triode is grounded, the base of the second triode is connected with the other end of a seventy resistor R70, one end of the seventy resistor R70 is connected with the BEEP interface of the main chip, one end of a hundred forty resistor R140 is connected with the base of a second triode Q2, the other end of the hundred forty resistor R140 is grounded, the anode of a fifth diode D5 is connected with the emitter of the second triode Q2, and the cathode of the fifth diode D5 is connected with one end of the fourteenth resistor R14.
The working principle of the alarm device can be that BEEP outputs high level, Q2 is conducted, the buzzer 13 is electrified to play an alarm role, BEEP outputs low level, Q2 is turned off, and the buzzer 13 is turned off.
Optionally, the indicator light circuit (as shown in fig. 4) includes: light emitting diode (indicator light), resistor, diode, voltage source (5V), wherein,
the voltage source (5V) is connected with the anode of the light emitting diode LED1, the cathode of the light emitting diode LED1 is connected with the collector of the transistor Q41 after being connected with the first sixty-eight resistor R168 in series, the base of the transistor Q41 is connected with the first sixty-six resistor R166 in series and is connected with the indicator light pin (for example, the PD3 pin, if a plurality of indicator lights are available, similar PD3 pins such as PD4, PD5, PD6 pins and the like can be connected), the emitter of the transistor Q41 is grounded, one end of the first sixty-six resistor R167 is connected with the base of the transistor Q41, and the other end of the first sixty-six resistor R.
Optionally, the system further includes: a water level sensor circuit (shown in fig. 5) comprising: a water level sensor (KFHT-396-7PJ113), wherein a voltage source is connected with an emitter of a second zero triode Q203, a collector of the second zero triode Q203 is connected with a second one-by-one resistor R211 in series and is connected with a PA4 pin (main chip), a base of the second zero triode Q203 is connected with a second nine-six resistor R296 in series and a second zero three capacitor C203 is connected with the ground, an anode of a first zero two diode is connected between the second zero three capacitor C203 and the second nine-six resistor R296, a cathode of the first zero two diode is connected with a No. 3 pin of the water level sensor, and a second nine-eight resistor R298 is connected with an emitter and a base of the second zero three triode Q203;
the voltage source is connected with the emitter of a fourth triode Q43, the collector of the fourth triode Q43 is connected with a first seven-two resistor R172 in series and connected with a PA5 pin (main chip), the base of the fourth triode Q43 is connected with a first seven-three resistor R173 and a second nine capacitor C29 in series and connected with the ground, the anode of a twentieth diode is connected between the first seven-three resistor R173 and the second nine capacitor C29, the cathode of the twentieth diode is connected with a pin No. 2 of the water level sensor, and the first seven-four resistor R174 is connected with the emitter and the base of a fourth triode Q43;
the voltage source is connected with the emitter of a fourth triode Q42, the collector of the fourth triode Q42 is connected with a first sixty-nine resistor R169 in series and connected with a PA6 pin (main chip), the base of the fourth triode Q42 is connected with a first seven-zero resistor R170 in series and a second seven capacitor C27 in series and connected with the ground, the anode of a nineteenth diode is connected between the first seven-zero resistor R170 and the second seven capacitor C27, the cathode of the nineteenth diode is connected with the pin No. 1 of the water level sensor, and the first seven-resistor R171 is connected with the emitter and the base of a fourth triode Q42; pin No. 4 of the water level sensor is grounded.
Optionally, as shown in fig. 7, the timer circuit includes: a timer chip, a resistor, a capacitor, wherein,
the SCK pin of the timer chip is connected with the RTC-SCL pin (namely, pin No. 22) of the main chip, the I/O pin of the timer chip is connected with the RTC-SDA pin (namely, pin No. 23) of the main chip, the RST pin of the timer chip is connected with the RTC-CS pin (namely, pin No. 21) of the main chip, the GND pin of the timer chip is grounded, the X2 pin of the timer chip is connected with one end of a seventeenth capacitor C17, the other end of the seventeenth capacitor C17 is grounded, one end of a surge protector XT2 is connected with the X2 pin, the other end of the surge protector XT2 is connected with the X1 pin, one end of an eighteenth capacitor C18 is connected with the X1 pin, the other end of an eighteenth capacitor C18 is grounded, the VCC1 pin of the timer chip is connected with one end of a nineteenth capacitor C19, the other end of the nineteenth capacitor C19 is grounded, the anode of, the cathode of the battery EC9 is grounded, the anode of the fifteenth diode D15 is connected with a 5V voltage source, the cathode of the fifteenth diode D15 is connected with a VCC1 pin, one end of the first third sixth resistor R136 is connected with the 5V voltage source, the other end of the first third sixth resistor R136 is connected with an SCK pin, one end of the first pseudo-ginseng resistor R137 is connected with the 5V voltage source, the other end of the first pseudo-ginseng resistor R137 is connected with an I/O pin, one end of the first fourth resistor R141 is connected with the 5V voltage source, and the other end of the first fourth resistor R141 is connected with a RST pin.
The main chip is used for executing the steps 1 to 6.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A method of controlling a drain pump control system, the system comprising: a main chip, a display device, a water level sensor, a buzzer, an indicator light, a timer circuit and two sewage pumps, wherein,
the main chip is respectively connected with the display device, the water level sensor, the buzzer, the indicator lamp, the timer circuit and the sewage pump; the timer circuit includes: the chip comprises a timer chip, a resistor and a capacitor, wherein an SCK pin of the timer chip is connected with an RTC-SCL pin of a main chip, an I/O pin of the timer chip is connected with an RTC-SDA pin of the main chip, an RST pin of the timer chip is connected with an RTC-CS pin of the main chip, a GND pin of the timer chip is grounded, an X2 pin of the timer chip is connected with one end of a seventeenth capacitor, the other end of the seventeenth capacitor is grounded, one end of a surge protector is connected with an X2 pin of the timer chip, the other end of the surge protector is connected with an X1 pin of the timer chip, one end of an eighteenth capacitor is connected with an X1 pin of the timer chip, the other end of the eighteenth capacitor is grounded, a VCC1 pin of the timer chip is connected with one end of a nineteenth capacitor, the other end of the nineteenth capacitor is grounded, the anode of an, the cathode of the battery is grounded, the anode of the fifteenth diode is connected with a 5V voltage source, the cathode of the fifteenth diode is connected with a VCC1 pin of the timer chip, one end of the first three-six resistor is connected with the 5V voltage source, the other end of the first three-six resistor is connected with an SCK pin of the timer chip, one end of the first pseudo-ginseng resistor is connected with the 5V voltage source, the other end of the first pseudo-ginseng resistor is connected with an I/O pin of the timer chip, one end of the first four-resistor is connected with the 5V voltage source, and the other end of the first four-resistor is connected with a RST pin of the timer chip;
the method comprises the following steps:
the timer chip starts a first timer, and when the first timer is overtime, an overtime signal is output to the main chip through an I/0 pin of the timer chip;
the main chip starts an automatic inspection program;
the automatic inspection program specifically comprises:
after starting, carrying out sludge detection for the first time to determine whether the sludge thickness reaches a set value, if the sludge thickness reaches the set value, opening a first water valve, delaying for a set time, carrying out sludge detection for the second time to determine whether the sludge thickness reaches the set value, if the sludge thickness reaches the set value, opening a second water valve, delaying for a set time, carrying out sludge detection for the third time to determine whether the sludge thickness reaches the set value, if the sludge thickness reaches the set value, closing the first water valve and the second water valve, and outputting an alarm, wherein the sludge thickness exceeds the standard;
if the thickness of the sludge is determined to be not equal to a set value through sludge detection, three-phase voltage balance detection is carried out, if the three-phase voltage balance detection is carried out, output alarm is carried out, if the three-phase voltage balance detection is carried out, after the first sewage pump is started for 2 seconds, three-phase current balance detection is carried out, if the three-phase current balance detection is carried out, after the time delay is carried out for 2 seconds, the temperature detection of the first sewage pump is carried out, if the temperature detection of the first sewage pump is lower than the set temperature, three-phase current limit detection is carried out, if the three-phase current limit is higher than the limit value, the first; if the temperature of the first sewage pump is higher than the set temperature, stopping the first sewage pump, and outputting an alarm;
if the three-phase current limit value is smaller than the limit value, delaying for 2 seconds, stopping the first sewage pump, starting the second sewage pump, performing three-phase current balance detection, if the three-phase current is unbalanced, determining that the time of the second sewage pump is fixed, if the three-phase current is balanced, delaying for 2 seconds, performing temperature detection on the second sewage pump, if the temperature is smaller than the set temperature, performing three-phase current limit value detection, if the three-phase current limit value is larger than the limit value, determining that the second sewage pump is locked, and outputting an alarm; and if the temperature of the second sewage pump is higher than the set temperature, stopping the second sewage pump and outputting an alarm.
2. The method of claim 1, wherein the system further comprises: a buzzer circuit, the buzzer circuit comprising: a voltage source, a diode, a triode and a resistor; wherein,
the port 1 of the buzzer is connected with one end of a fourteenth resistor, the other end of the fourteenth resistor is connected with the voltage source, the port 2 of the buzzer is connected with the collector of the second triode, the emitter of the second triode is grounded, the base of the second triode is connected with the other end of the seventy resistor, one end of the seventy resistor is connected with the BEEP interface of the main chip, one end of the first hundred forty resistor is connected with the base of the second triode, the other end of the first hundred forty resistor is grounded, the anode of the fifth diode is connected with the collector of the second triode, and the cathode of the fifth diode is connected with one end of the fourteenth resistor.
3. The method of claim 1, wherein the system further comprises: an indicator light circuit, the indicator light circuit comprising: light emitting diode, resistor, diode, triode, and voltage source,
the voltage source is connected with the anode of the light emitting diode, the cathode of the light emitting diode is connected with the collector of the triode after being connected with the first sixty-eight resistor in series, the base of the triode is connected with the pin of the indicator lamp of the first sixty-six resistor in series and connected with the main chip, the emitter of the triode is grounded, one end of the first sixty-seven resistor is connected with the base of the triode, and the other end of the first sixty-seven resistor is grounded.
4. The method of claim 1, wherein the system further comprises: a water level sensor circuit, the water level sensor circuit comprising: the voltage source is connected with an emitting electrode of the second zero three triode, a collector electrode of the second zero three triode is connected with a pin of the main chip PA4 in series through a second one-to-one resistor, a base electrode of the second zero three triode is connected with a second nine-six resistor R296 in series and a second zero three capacitor C203 is connected to the ground, an anode of the first zero two diode is connected between the second zero three capacitor C203 and the second nine-six resistor R296, a cathode of the first zero two diode is connected with a pin 3 of the water level sensor, and a second nine-eight resistor R298 is connected with an emitting electrode and a base electrode of the second zero three triode;
the voltage source is connected with an emitting electrode of a fourth triode, a collector electrode of the fourth triode is connected with a first seven-two resistor in series and is connected with a main chip PA5 pin, a base electrode of the fourth triode is connected with a first seven-three resistor in series and a second nine capacitor in series and is connected with the ground, an anode of a twentieth diode is connected between the first seven-three resistor and the second nine capacitor, a cathode of the twentieth diode is connected with a No. 2 pin of the water level sensor, and the first seven-four resistor is connected with the emitting electrode and the base electrode of the fourth triode;
the voltage source is connected with an emitting electrode of a fourth triode, a collector electrode of the fourth triode is connected with a first sixty-nine resistor in series and is connected with a main chip PA6 pin, a base electrode of the fourth triode is connected with a first seven-zero resistor in series and a second seven capacitor in series and is connected with the ground, an anode of a nineteenth diode is connected between the first seven-zero resistor and the second seven capacitor, a cathode of the nineteenth diode is connected with a No. 1 pin of the water level sensor, and the first seven-resistor is connected with the emitting electrode and the base electrode of the fourth triode; pin No. 4 of the water level sensor is grounded.
5. The method of claim 1, wherein the main chip is configured to initiate a first dredge pump self-test procedure, a sludge self-test procedure, and an automated procedure for controlling the dredge pump control system, the first dredge pump self-test procedure, sludge self-test procedure, and automated procedure for controlling the dredge pump control system comprising:
step 1, detecting whether the thickness of the sludge is greater than a set value, opening a first water valve for 10 seconds when the thickness of the sludge is greater than the set value, and executing step 4;
step 2, when the sludge thickness is still larger than the set value after 10 seconds, opening a first water valve and a second water valve, and executing step 4, wherein the sludge thickness is smaller than the set value after 10 seconds;
step 3, after 10 seconds, the thickness of the sludge is still larger than a set value, and an alarm is output when the thickness of the sludge exceeds the standard;
step 4, detecting the three-phase voltage balance, if the three-phase voltage balance exists, executing the step 5, otherwise, outputting an alarm;
step 5, starting current limit detection 5 seconds after starting the first water valve, and outputting a locked-rotor alarm of the first sewage pump when the running current of the first sewage pump exceeds the current limit of normal running; otherwise, executing step 6;
and 6, operating the first sewage pump for 30 seconds in a normal state.
6. A drain pump control system, the system comprising: a main chip, a display device, a water level sensor, a buzzer, an indicator light, a timer circuit and a sewage pump, wherein,
the main chip is respectively connected with the display device, the water level sensor, the buzzer, the indicator lamp, the timer circuit and the sewage pump; the timer circuit includes: the chip comprises a timer chip, a resistor and a capacitor, wherein an SCK pin of the timer chip is connected with an RTC-SCL pin of a main chip, an I/O pin of the timer chip is connected with an RTC-SDA pin of the main chip, an RST pin of the timer chip is connected with an RTC-CS pin of the main chip, a GND pin of the timer chip is grounded, an X2 pin of the timer chip is connected with one end of a seventeenth capacitor, the other end of the seventeenth capacitor is grounded, one end of a surge protector is connected with an X2 pin of the timer chip, the other end of the surge protector is connected with an X1 pin of the timer chip, one end of an eighteenth capacitor is connected with an X1 pin of the timer chip, the other end of the eighteenth capacitor is grounded, a VCC1 pin of the timer chip is connected with one end of a nineteenth capacitor, the other end of the nineteenth capacitor is grounded, the anode of an, the cathode of the battery is grounded, the anode of the fifteenth diode is connected with a 5V voltage source, the cathode of the fifteenth diode is connected with a VCC1 pin of the timer chip, one end of the first three-six resistor is connected with the 5V voltage source, the other end of the first three-six resistor is connected with an SCK pin of the timer chip, one end of the first pseudo-ginseng resistor is connected with the 5V voltage source, the other end of the first pseudo-ginseng resistor is connected with an I/O pin of the timer chip, one end of the first four-resistor is connected with the 5V voltage source, and the other end of the first four-resistor is connected with a RST pin of the timer chip;
the timer chip is used for starting a first timer, and outputting an overtime signal to the main chip through an I/0 pin of the timer chip when the first timer is overtime;
the main chip is used for automatically inspecting programs;
the automatic inspection program specifically comprises:
after starting, carrying out sludge detection for the first time to determine whether the sludge thickness reaches a set value, if the sludge thickness reaches the set value, opening a first water valve, delaying for a set time, carrying out sludge detection for the second time to determine whether the sludge thickness reaches the set value, if the sludge thickness reaches the set value, opening a second water valve, delaying for a set time, carrying out sludge detection for the third time to determine whether the sludge thickness reaches the set value, if the sludge thickness reaches the set value, closing the first water valve and the second water valve, and outputting an alarm, wherein the sludge thickness exceeds the standard;
if the thickness of the sludge is determined to be not equal to a set value through sludge detection, three-phase voltage balance detection is carried out, if the three-phase voltage balance detection is carried out, output alarm is carried out, if the three-phase voltage balance detection is carried out, after the first sewage pump is started for 2 seconds, three-phase current balance detection is carried out, if the three-phase current balance detection is carried out, after the time delay is carried out for 2 seconds, the temperature detection of the first sewage pump is carried out, if the temperature detection of the first sewage pump is lower than the set temperature, three-phase current limit detection is carried out, if the three-phase current limit is higher than the limit value, the first; if the temperature of the first sewage pump is higher than the set temperature, stopping the first sewage pump, and outputting an alarm;
if the three-phase current limit value is smaller than the limit value, delaying for 2 seconds, stopping the first sewage pump, starting the second sewage pump, performing three-phase current balance detection, if the three-phase current is unbalanced, determining that the time of the second sewage pump is fixed, if the three-phase current is balanced, delaying for 2 seconds, performing temperature detection on the second sewage pump, if the temperature is smaller than the set temperature, performing three-phase current limit value detection, if the three-phase current limit value is larger than the limit value, determining that the second sewage pump is locked, and outputting an alarm; and if the temperature of the second sewage pump is higher than the set temperature, stopping the second sewage pump and outputting an alarm.
7. The system of claim 6, further comprising: a buzzer circuit, the buzzer circuit comprising: a voltage source, a diode, a triode and a resistor; wherein,
the port 1 of the buzzer is connected with one end of a fourteenth resistor, the other end of the fourteenth resistor is connected with the voltage source, the port 2 of the buzzer is connected with the collector of the second triode, the emitter of the second triode is grounded, the base of the second triode is connected with the other end of the seventy resistor, one end of the seventy resistor is connected with the BEEP interface of the main chip, one end of the first hundred forty resistor is connected with the base of the second triode, the other end of the first hundred forty resistor is grounded, the anode of the fifth diode is connected with the collector of the second triode, and the cathode of the fifth diode is connected with one end of the fourteenth resistor.
8. The system of claim 6, further comprising: an indicator light circuit, the indicator light circuit comprising: light emitting diode, resistor, diode, triode, and voltage source,
the voltage source is connected with the anode of the light emitting diode, the cathode of the light emitting diode is connected with the collector of the triode after being connected with the first sixty-eight resistor in series, the base of the triode is connected with the pin of the indicator lamp of the first sixty-six resistor in series and connected with the main chip, the emitter of the triode is grounded, one end of the first sixty-seven resistor is connected with the base of the triode, and the other end of the first sixty-seven resistor is grounded.
9. The system of claim 6, further comprising: a water level sensor circuit, the water level sensor circuit comprising: the voltage source is connected with an emitting electrode of the second zero three triode, a collector electrode of the second zero three triode is connected with a pin of the main chip PA4 in series through a second one-to-one resistor, a base electrode of the second zero three triode is connected with a second nine-six resistor R296 in series and a second zero three capacitor C203 is connected to the ground, an anode of the first zero two diode is connected between the second zero three capacitor C203 and the second nine-six resistor R296, a cathode of the first zero two diode is connected with a pin 3 of the water level sensor, and a second nine-eight resistor R298 is connected with an emitting electrode and a base electrode of the second zero three triode;
the voltage source is connected with an emitting electrode of a fourth triode, a collector electrode of the fourth triode is connected with a first seven-two resistor in series and is connected with a main chip PA5 pin, a base electrode of the fourth triode is connected with a first seven-three resistor in series and a second nine capacitor in series and is connected with the ground, an anode of a twentieth diode is connected between the first seven-three resistor and the second nine capacitor, a cathode of the twentieth diode is connected with a No. 2 pin of the water level sensor, and the first seven-four resistor is connected with the emitting electrode and the base electrode of the fourth triode;
the voltage source is connected with an emitting electrode of a fourth triode, a collector electrode of the fourth triode is connected with a first sixty-nine resistor in series and is connected with a main chip PA6 pin, a base electrode of the fourth triode is connected with a first seven-zero resistor in series and a second seven capacitor in series and is connected with the ground, an anode of a nineteenth diode is connected between the first seven-zero resistor and the second seven capacitor, a cathode of the nineteenth diode is connected with a No. 1 pin of the water level sensor, and the first seven-resistor is connected with the emitting electrode and the base electrode of the fourth triode; pin No. 4 of the water level sensor is grounded.
10. The system of claim 6, wherein the master chip is configured to perform steps 1-6;
step 1, detecting whether the thickness of the sludge is greater than a set value, opening a first water valve for 10 seconds when the thickness of the sludge is greater than the set value, and executing step 4;
step 2, when the sludge thickness is still larger than the set value after 10 seconds, opening a first water valve and a second water valve, and executing step 4, wherein the sludge thickness is smaller than the set value after 10 seconds;
step 3, after 10 seconds, the thickness of the sludge is still larger than a set value, and an alarm is output when the thickness of the sludge exceeds the standard;
step 4, detecting the three-phase voltage balance, if the three-phase voltage balance exists, executing the step 5, otherwise, outputting an alarm;
step 5, starting current limit detection 5 seconds after starting the first water valve, and outputting a locked-rotor alarm of the first sewage pump when the running current of the first sewage pump exceeds the current limit of normal running; otherwise, executing step 6;
and 6, operating the first sewage pump for 30 seconds in a normal state.
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