CN107588014A - A kind of Intelligent submersible pump - Google Patents
A kind of Intelligent submersible pump Download PDFInfo
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- CN107588014A CN107588014A CN201710630683.2A CN201710630683A CN107588014A CN 107588014 A CN107588014 A CN 107588014A CN 201710630683 A CN201710630683 A CN 201710630683A CN 107588014 A CN107588014 A CN 107588014A
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Abstract
The present invention relates to a kind of Intelligent submersible pump.The Intelligent submersible pump is in addition to original pump configuration and pump circuit, in addition to a stop bit valve and a control circuit, and what described stop bit valve was connected in immersible pump pumps out water passage port；There are a relay KM and pressure sensor in described control circuit, described relay KM normally opened contact is connected to a power input of pump, power on/off for controlling pump, described pressure sensor is connected at the water out adapter of immersible pump, for detecting the joint water outlet passage port hydraulic pressure of closing pipe line upper water-out joint, what water out adapter was connected in immersible pump pumps out water passage port, and stop bit valve stops the hydraulic pressure at pressure sensor；Described control circuit includes a dc source, water pressure sensing circuit and prevents frequent starting circuit；Using the present invention, control system and immersible pump one are realized, Intelligent submersible pump only need to be installed on the pipeline of closing can be achieved with automating, and with the function of preventing frequent starting.
Description
Art
The present invention relates to a kind of water pump, specifically a kind of Intelligent submersible pump.
Background technology
In existing technology, in household water, realize that tap opens water pump water supply and the fire hose on the pipeline of closing
Head switches off the pump the automation function of closing, is taken mostly using the self priming pump for coming with pressure switch, self priming pump heel pressure switch
Match somebody with somebody, the break-make of self priming pump is controlled by sensing hydraulic pressure；Tap is installed on the pipeline of closing on self priming pump delivery port,
Tap is closed, and the descaling line pressure of this closing of tap to self priming pump delivery port rises, and self priming pump is closed in pressure switch action,
When tap is again turned on, the descaling line pressure of closing declines, and self priming pump is opened in pressure switch action, so as to realize that self priming pump is sealing
Automation action on the pipeline closed；It is existing to be also devised with the pressure switch with intelligent circuit board, solve excessive low water level protection, prevent
Only the problems such as frequent starting, but self priming pump inherently there are problems that with respect to immersible pump：Have to fill in pump chamber before use
Full water, vacuum could be so produced, sucts water；There is the water capacity easily to freeze in arctic weather, pump chamber, freezing pump head, stuck leaf
Wheel, or even cause burn-down of electric motor；Immersible pump realizes that automation acts in household water, is not family when on the pipeline of closing
There is water tank in the water of front yard, a float switch is installed in water tank, immersible pump break-make is controlled by float switch, in the pipeline of closing
, it is necessary to which additionally mounted pressure sensor or pressure switch control immersible pump break-make on the pipeline of closing when upper, but without anti-
The only function of frequent starting.
The content of the invention
It is an object of the invention to provide a kind of Intelligent submersible pump, control system and immersible pump one only need to be in closings
Intelligent submersible pump is installed on pipeline to can be achieved with automating, and with the function of preventing frequent starting.
The technical solution adopted by the present invention：The Intelligent submersible pump is in addition to original pump configuration and pump circuit, in addition to one stops
A position valve and control circuit, what described stop bit valve was connected in immersible pump pumps out water passage port；Have one in described control circuit
Relay KM and pressure sensor, described relay KM normally opened contact is connected to a power input of pump, for controlling
The power on/off of pump, described pressure sensor are connected at the water out adapter of immersible pump, are connect for detecting closing pipe line upper water-out
The joint water outlet passage port hydraulic pressure of head, what water out adapter was connected in immersible pump pumps out water passage port, and stop bit valve stops pressure
Hydraulic pressure at sensor；Described control circuit includes a dc source, water pressure sensing circuit and prevents frequent starting circuit；Water
Sensor circuit is pressed to include pressure sensor, resistance R2, resistance R3, resistance R4, resistance R5, electric capacity C4, diode D4, diode
The VCC ends of D5, LM393 voltage comparator one, LM393 voltage comparators two and NE555P timers one, wherein pressure sensor
The positive pole of dc source is accessed, the GND of pressure sensor terminates the negative pole into dc source, the OUT terminal access of pressure sensor
Diode D5 positive pole, the inverting input of diode D5 negative pole access LM393 voltage comparators one, resistance R2 and resistance R3
Connect and access dc source, resistance R2 terminates the positive pole into dc source, and resistance R3 terminates the negative pole into dc source, resistance
R2 and the in-phase input end of resistance R3 branch access LM393 voltage comparators one of connecting, the VCC of LM393 voltage comparators one
Terminate the positive pole into dc source, the GND of LM393 voltage comparators one terminates the negative pole into dc source, LM393 voltage ratios compared with
The triggering pin 2 of the OUT terminal access NE555P timers one of device one, diode D4 positive pole access diode D5 positive pole, two
The inverting input of pole pipe D4 negative pole access LM393 voltage comparators two, resistance R4 connect with resistance R5 and access direct current
Source, resistance R4 terminate the positive pole into dc source, and resistance R5 terminates the negative pole into dc source, and resistance R4 connects with resistance R5's
The in-phase input end of branch access LM393 voltage comparators two, the VCC of LM393 voltage comparators two are terminated into dc source
Positive pole, the GND of LM393 voltage comparators two terminate the negative pole into dc source, the OUT terminal access of LM393 voltage comparators two
The threshold values pin 6 of NE555P timers one, the reset pin 4 of NE555P timers one, power pins 8 are accessing dc source just
Pole, the grounding pin 1 of NE555P timers one access the negative pole of dc source, and the controlling switch 5 of NE555P timers one is through electricity
Hold the negative pole of C4 access dc sources；Prevent frequent starting circuit from including resistance R6, resistance R7, resistance R8, triode Q1, electric capacity
The output pin 3 of C5, electric capacity C6, NE555P timer two and relay KM, resistance R6 one end access NE555P timers one,
Resistance R6 other end access triode Q1 base stage, resistance R7, resistance R8 and electric capacity C5 three connect and access dc source,
Resistance R7 terminates the positive pole into dc source, and resistance R8 terminates the negative pole into dc source, triode Q1 colelctor electrode access electricity
Hinder R7 and electric capacity C5 branch of connecting, triode Q1 emitter stage access resistance R8 and electric capacity C5 branch of connecting, resistance R8 and
Triggering pin 2, the threshold values pin 6 of electric capacity C5 series connection branch access NE555P timers two, the reset of NE555P timers two
Pin 4, power pins 8 access the positive pole of dc source, and the grounding pin 1 of NE555P timers two accesses the negative of dc source
Pole, the controlling switch 5 of NE555P timers two access the negative pole of dc source through electric capacity C6, and the output of NE555P timers two is drawn
The negative pole of coil access dc source of the pin 3 through relay KM.
Beneficial effects of the present invention：Control system and immersible pump one, it is latent need to only to install intelligence on the pipeline of closing
Water pump can be achieved with automating, and with the function of preventing frequent starting.
Brief description of the drawings
The present invention is further described below in conjunction with the accompanying drawings.
Fig. 1 is a kind of structural representation of Intelligent submersible pump of the present invention.
Fig. 2 is a kind of control circuit main body wiring diagram of Intelligent submersible pump of the present invention.
Fig. 3 is the main body wiring diagram for the control circuit that a kind of Intelligent submersible pump of the present invention addition of excessive low water level protection circuit.
Fig. 4 is one embodiment of the dc source in a kind of control circuit of Intelligent submersible pump of the present invention.
Fig. 5 is second embodiment of the dc source in a kind of control circuit of Intelligent submersible pump of the present invention.
In figure：
1：Immersible pump；2：Pump out water port；3：Stop bit valve；4：Water out adapter；5：Pressure sensor；6：Joint water outlet port； 7：
Hard tube； 8：LM393 voltage comparators one； 9：LM393 voltage comparators two； 10：NE555P timers one；11：NE555P determines
When device two；12：NE555P timers three； 13：Transformer.
Embodiment
Fig. 1 is a kind of structural representation of Intelligent submersible pump of the present invention.Known by figure, the Intelligent submersible pump is except original pump knot
Outside structure and pump circuit, in addition to a stop bit valve 3 and a control circuit, the water that pumps out that described stop bit valve 3 is connected in immersible pump 1 lead to
At mouth 2；There are a relay KM and pressure sensor 5, described relay KM normally opened contact connection in described control circuit
In a power input of pump, for the power on/off of controlling pump, the water outlet that described pressure sensor 5 is connected in immersible pump 1 connects
At first 4, hydraulic pressure at the joint water outlet port 6 for detecting closing pipe line upper water-out joint 4, water out adapter 4 is connected in immersible pump 1
Pump out at water port 2, and stop bit valve 3 stops the hydraulic pressure at pressure sensor 5.
Fig. 2 is a kind of control circuit main body wiring diagram of Intelligent submersible pump of the present invention.Known by figure, described control circuit bag
Include a dc source, water pressure sensing circuit and prevent frequent starting circuit；Water pressure sensing circuit includes pressure sensor 5, resistance
R2, resistance R3, resistance R4, resistance R5, electric capacity C4, diode D4, diode D5, LM393 voltage comparator 1, LM393 voltages
Comparator 29 and NE555P timers 1, the VCC of wherein pressure sensor 5 terminate the positive pole into dc source, pressure sensing
The GND of device 5 terminates the negative pole into dc source, and the OUT terminal of pressure sensor 5 accesses diode D5 positive pole, diode D5's
The inverting input of negative pole access LM393 voltage comparators 1, resistance R2 connect with resistance R3 and access dc source, resistance
R2 terminates the positive pole into dc source, and resistance R3 terminates the negative pole into dc source, and resistance R2 connects with resistance R3 branch of connecting
Entering the in-phase input end of LM393 voltage comparators 1, the VCC of LM393 voltage comparators 1 terminates the positive pole into dc source,
The GND of LM393 voltage comparators 1 terminates the negative pole into dc source, the OUT terminal access of LM393 voltage comparators 1
The triggering pin 2 of NE555P timers 1, diode D4 positive pole access diode D5 positive pole, diode D4 negative pole connect
Enter the inverting input of LM393 voltage comparators 29, resistance R4 is connected with resistance R5 and accesses dc source, and resistance R4 is terminated
Enter the positive pole of dc source, resistance R5 terminates the negative pole into dc source, and resistance R4 accesses LM393 with resistance R5 branch of connecting
The in-phase input end of voltage comparator 29, the VCC of LM393 voltage comparators 29 terminate the positive pole into dc source, LM393 electricity
The GND of pressure comparator 29 terminates the negative pole into dc source, the OUT terminal access NE555P timings of LM393 voltage comparators 29
The threshold values pin 6 of device 1, the reset pin 4 of NE555P timers 1, power pins 8 access the positive pole of dc source,
The grounding pin 1 of NE555P timers 1 accesses the negative pole of dc source, and the controlling switch 5 of NE555P timers 1 is through electricity
Hold the negative pole of C4 access dc sources；Prevent frequent starting circuit from including resistance R6, resistance R7, resistance R8, triode Q1, electric capacity
The output of C5, electric capacity C6, NE555P timer 2 11 and relay KM, resistance R6 one end access NE555P timers 1 is drawn
Pin 3, resistance R6 other end access triode Q1 base stage, resistance R7, resistance R8 and electric capacity C5 three connect and access direct current
Power supply, resistance R7 terminate the positive pole into dc source, and resistance R8 terminates the negative pole into dc source, and triode Q1 colelctor electrode connects
Enter connect branches of the resistance R7 with electric capacity C5, triode Q1 emitter stage access resistance R8 and electric capacity C5 branch of connecting, resistance
R8 and triggering pin 2, the threshold values pin 6 of electric capacity C5 branch access NE555P timers 2 11 of connecting, NE555P timers two
11 reset pin 4, power pins 8 access the positive pole of dc source, and the grounding pin 1 of NE555P timers 2 11 accesses direct current
The negative pole of power supply, the controlling switch 5 of NE555P timers 2 11 access the negative pole of dc source, NE555P timers through electric capacity C6
The negative pole of coil access dc source of 2 11 output pin 3 through relay KM.
A kind of Intelligent submersible pump of the present invention, water out adapter 4 should be connected by hard tube 7 with tap during installation, pressure biography
Sensor 5, which experiences hydraulic pressure, following state：1）When just starting, tap is opened, and pressure sensor 5 experiences hydraulic pressure as most
Small, the voltage of the OUT terminal output of pressure sensor 5 is minimum, and now control circuit can start water pump after a short period of time；2）Tap
Open, after starting mode of pump, hydraulic pressure can rise（There is water at water source）, pressure sensor 5 OUT terminal output voltage it is also relatively minimal
Shi Shangsheng；3）Tap is closed, and hydraulic pressure continues to rise, and the voltage of the OUT terminal output of pressure sensor 5 rises to peak, this
When control circuit switch off the pump；Using resistance R4 with the voltage at resistance R5 branch of connecting as reference value, pressure sensor 5
For the voltage ratio of OUT terminal output when voltage is low herein, the voltage of the OUT terminal output of pressure sensor 5 is minimum, show be now more than
1）During state, tap is just opened, and need to start water pump；Using resistance R2 with the voltage at resistance R3 branch of connecting as reference
Value, for the voltage ratio of the OUT terminal output of pressure sensor 5 when voltage is high herein, the voltage of the OUT terminal output of pressure sensor 5 is most
Height, show now 3 for more than）During state, tap is closed, and control circuit switches off the pump；The OUT terminal output of pressure sensor 5
Voltage be more than resistance R4 and the voltage at resistance R5 branch of connecting, again be less than resistance R2 with resistance R3 branch of connecting
During voltage, show to be now 2）When having water during state, at water source, tap is opened, starting mode of pump.
A kind of Intelligent submersible pump of the invention so works：Immersible pump is directly placed in water source and plugged in, just
During beginning, tap is opened, and pressure sensor 5 experiences hydraulic pressure as minimum, and the voltage of the OUT terminal output of pressure sensor 5 is most
Small, the voltage of the inverting input of LM393 voltage comparators 1 is less than the electricity of the in-phase input end of LM393 voltage comparators 1
Pressure, the voltage of the inverting input of LM393 voltage comparators 29 are less than the electricity of the in-phase input end of LM393 voltage comparators 29
The OUT terminal voltage output of pressure, LM393 voltage comparators 1 and LM393 voltage comparators 29 is all high voltage, then NE555P determines
When device 1 triggering pin 2, threshold values pin 6 be all high potential, the output pin 3 of NE555P timers 1 is low-voltage,
Triode Q1 ends, and C5 is started to charge up, and when just starting, C5 is high voltage with the voltage at R8 branch of connecting（Because R8 is long-range
In R7）, triggering pin 2, the threshold values pin 6 of NE555P timers 2 11 are high potential, and the output of NE555P timers 2 11 is drawn
Pin 3 is low-voltage, relay KM coil no power, and C5 charges to a certain extent (time of setting is generally several seconds), C5
It is low-voltage with the voltage at R8 branch of connecting, triggering pin 2, the threshold values pin 6 of NE555P timers 2 11 are low potential,
The output pin 3 of NE555P timers 2 11 is high voltage, relay KM coil electricity, starting mode of pump；After starting mode of pump, water
Tap continues to open, and pressure sensor 5, which experiences hydraulic pressure, somewhat to be risen, and the voltage of the OUT terminal output of pressure sensor 5 can be big
Connected in resistance R4 with resistance R5 the voltage at branch, be less than the voltage that resistance R2 is connected with resistance R3 at branch again, LM393 is electric
The OUT terminal voltage output for pressing comparator 1 is high voltage, and the OUT terminal voltage output of LM393 voltage comparators 29 is low electricity
Pressure, then the triggering pin 2 of NE555P timers 1 is high potential, and the threshold values pin 6 of NE555P timers 1 is low potential,
The output pin 3 of NE555P timers 1 keeps the low potential before constant as starting mode of pump, NE555P timers 2 11
Output pin 3 is high voltage, relay KM coil electricity, and water pump keeps work；When water need not be used, tap is closed,
Hydraulic pressure continues to rise, and the voltage of the OUT terminal of pressure sensor 5 output rises to peak, LM393 voltage comparators 1 it is anti-
The voltage of phase input be more than LM393 voltage comparators 1 in-phase input end voltage, LM393 voltage comparators 29 it is anti-
The voltage of phase input is more than the voltage of the in-phase input end of LM393 voltage comparators 29, the He of LM393 voltage comparators 1
The OUT terminal voltage output of LM393 voltage comparators 29 is all triggering pin 2, the valve of low-voltage, then NE555P timers 1
Value pin 6 is all low potential, and the output pin 3 of NE555P timers 1 is high voltage, and triode Q1 is turned on, and C5 is quickly discharged
After electricity, C5 reverts to high voltage with the voltage at R8 branch of connecting, and triggering pin 2, the threshold values of NE555P timers 2 11 draw
Pin 6 is high potential, and the output pins 3 of NE555P timers 2 11 is low-voltage, relay KM coil no power, and water pump closes
Close；In the case of tap closing, but usually due in closed waterway hydraulic pressure it is unstable, the hydraulic pressure meeting at build-up of pressure sensor 5
Bob, the voltage of the OUT terminal output of pressure sensor 5 may jump to minimum from peak and then return quickly, by
Need that water pump could be started by C5 is charged when in minimum, and in C5 charging processes pressure sensor 5 OUT terminal output
Voltage return to peak again, triode Q1 conductings, C5 is quickly discharged again, so preventing the frequent starting of water pump.
Fig. 3 is the main body wiring diagram for the control circuit that a kind of Intelligent submersible pump of the present invention addition of excessive low water level protection circuit.By
Figure knows that the described control circuit that addition of excessive low water level protection circuit removes a dc source, the hydraulic pressure sense that above-mentioned control circuit includes
Answer circuit and prevent outside frequent starting circuit, in addition to excessive low water level protection circuit；Excessive low water level protection circuit include resistance R9, resistance R10,
Resistance R11, resistance R12, resistance R13, electric capacity C7, electric capacity C8, triode Q2, triode Q3, triode Q4, triode Q5 and
The threshold values pin 6 of one end access NE555P timers 1 of NE555P timers 3 12, wherein resistance R9, resistance R9's is another
Terminate the base stage into triode Q2, triode Q2 colelctor electrode access triode Q3 base stage, triode Q2 emitter stage access
Access the negative pole of dc source, the positive pole of resistance R10 one end access dc source, resistance R10 other end access triode
Q3 base stage, the negative pole of triode Q3 emitter stage access access dc source, resistance R11 and electric capacity C7 connect and access direct current
Power supply, resistance R11 terminate the positive pole into dc source, and resistance C7 terminates the negative pole into dc source, triode Q3 colelctor electrode
Access connect branches of the resistance R11 with electric capacity C7, resistance R11 and electric capacity C7 branch access NE555P timers 3 12 of connecting
Pin 2, threshold values pin 6 are triggered, the reset pin 4 of NE555P timers 3 12, power pins 8 access the positive pole of dc source,
The grounding pin 1 of NE555P timers 3 12 accesses the negative pole of dc source, and the controlling switch 5 of NE555P timers 3 12 is through electricity
Hold the negative pole of C8 access dc sources, the output pin 3 of NE555P timers 3 12 accesses triode Q4 base through resistance R12
Pole, triode Q4 colelctor electrode access triode Q5 base stage, the negative pole of triode Q4 emitter stage access access dc source,
The positive pole of resistance R13 one end access dc source, resistance R13 other end access triode Q5 base stage, triode Q5's
The positive pole of colelctor electrode access dc source, the triggering pin 2 of triode Q5 emitter stage access access NE555P timers 2 11,
Threshold values pin 6.
Above-mentioned additional excessive low water level protection circuit so works：Immersible pump is directly placed in water source and plugged in,
When just starting, tap is opened, C5 chargings follow-up electrical equipment KM to a certain extent coil electricity, starting mode of pump, now LM393 electricity
The OUT terminal voltage output of pressure comparator 29 is high voltage, and triode Q2 is turned on, and triode Q3 cut-offs, C7 also begins to charge, just
During beginning, C7 and the voltage at R11 branch of connecting are low-voltage, triggering pin 2, the threshold values pin of NE555P timers 3 12
6 be low potential, and the output pin 3 of NE555P timers 3 12 is high voltage, triode Q4 conductings, triode Q5 cut-offs, is set
The C5 charging intervals are shorter than the C7 charging intervals, so the charged rear relay KM of C5 coil electricity, starting mode of pump, C7 do not substitute the bad for the good also
Electricity, now there are two kinds of situations：1）There is water at after starting mode of pump if water source, and tap continues to open, and pressure sensor 5 experiences water
Pressure can somewhat rise, and the voltage of the OUT terminal of pressure sensor 5 output can be more than the electricity that resistance R4 is connected with resistance R5 at branch
Pressure, is less than the voltage that resistance R2 is connected with resistance R3 at branch again, relay KM coil electricity, water pump holding work, now
The OUT terminal voltage output of LM393 voltage comparators 29 is low-voltage, and triode Q2 ends, triode Q3 conductings, C7 electric discharges, C7
Low-voltage is remained with the voltage at R11 branch of connecting, and the output pins 3 of NE555P timers 3 12 is high voltage, three poles
Pipe Q4 is turned on, and triode Q5 cut-offs, relay KM coil is powered always, and water pump keeps work；2）If water source does not have water, pressure
Sensor 5, which experiences hydraulic pressure, to be changed, and C7 continues to charge, after C7 made electricity, the triggering pin of NE555P timers 3 12
2nd, threshold values pin 6 is high potential, and the output pin 3 of NE555P timers 3 12 is low-voltage, and triode Q4 ends, triode Q5
Conducting, triggering pin 2, the threshold values pin 6 of NE555P timers 2 11 are high potential, the output pin of NE555P timers 2 11
3 be low-voltage, relay KM coil no power, and water pump is closed；So just pump can be made to stop under exsiccosis, there is water shortage
The function of protection.
A dc source Transient Suppression Diode in parallel in above-mentioned technical proposal, for protection circuit safety.
Diode D4 in water pressure sensing circuit and diode D5 in above-mentioned technical proposal can be removed, pressure sensor
5 OUT terminal is directly accessed the inverting input of LM393 voltage comparators 1 and LM393 voltage comparators 29.
A relay KM commutation diodes in parallel in above-mentioned technical proposal, for protective relay KM.
Fig. 4 is one embodiment of the dc source in a kind of control circuit of Intelligent submersible pump of the present invention.Known by figure,
The dc source is capacitance-resistance step down type dc source, including electric capacity C1, electric capacity C2, resistance R1, rectifier D1, voltage-stabiliser tube D2；Resistance
The resistance R1 held in buck dc source exchanges incoming end, the other end with the one of electric capacity C1 parallel connections and one end access rectifier D1
Extraneous power end is accessed, rectifier D1 another exchange incoming end also accesses another extraneous power end, voltage-stabiliser tube D2 and electric capacity C2
Parallel connection, voltage-stabiliser tube D2 negative pole connect rectifier D1 positive DC output end, and voltage-stabiliser tube D2 positive pole connects rectifier D1 negative pole
DC output end.
Fig. 5 is second embodiment of the dc source in a kind of control circuit of Intelligent submersible pump of the present invention.Known by figure,
The dc source includes transformer 13, rectifier D3, electric capacity C3；The extraneous electricity of the input of transformer 13 access in dc source
Source, output end access rectifier D3 exchange incoming end, rectifier D3 DC output end are in parallel with electric capacity C3.
In addition to the implementation, the present invention also has other embodiment.It is all to be formed using equivalent substitution or equivalent transformation
Technical scheme, all fall within the protection domain of application claims.
Claims (6)
1. a kind of Intelligent submersible pump, including original pump configuration and pump circuit, it is a feature of the present invention that：The Intelligent submersible pump also wraps
Include a stop bit valve and a control circuit, what described stop bit valve was connected in immersible pump pumps out water passage port；Described control circuit
On have a relay KM and pressure sensor, described relay KM normally opened contact is connected to a power input of pump, institute
The pressure sensor stated is connected at the water out adapter of immersible pump, and what water out adapter was connected in immersible pump pumps out water passage port, and
And stop bit valve stops the hydraulic pressure at pressure sensor；Described control circuit includes a dc source, water pressure sensing circuit and prevented
Only frequent starting circuit；Water pressure sensing circuit include pressure sensor, resistance R2, resistance R3, resistance R4, resistance R5, electric capacity C4,
Diode D4, diode D5, LM393 voltage comparator one, LM393 voltage comparators two and NE555P timers one, wherein pressing
The VCC of force snesor terminates the positive pole into dc source, and the GND of pressure sensor terminates the negative pole into dc source, and pressure passes
The OUT terminal access diode D5 of sensor positive pole, the anti-phase input of diode D5 negative pole access LM393 voltage comparators one
End, resistance R2 connect with resistance R3 and access dc source, and resistance R2 terminates the positive pole into dc source, and resistance R3 is terminated into straight
Flow the negative pole of power supply, resistance R2 and the in-phase input end of resistance R3 branch access LM393 voltage comparators one of connecting, LM393
The VCC of voltage comparator one terminates the positive pole into dc source, and the GND of LM393 voltage comparators one is terminated into dc source
Negative pole, the triggering pin 2 of the OUT terminal access NE555P timers one of LM393 voltage comparators one, diode D4 positive pole access
Diode D5 positive pole, the inverting input of diode D4 negative pole access LM393 voltage comparators two, resistance R4 and resistance R5
Connect and access dc source, resistance R4 terminates the positive pole into dc source, and resistance R5 terminates the negative pole into dc source, resistance
R4 and the in-phase input end of resistance R5 branch access LM393 voltage comparators two of connecting, the VCC of LM393 voltage comparators two
Terminate the positive pole into dc source, the GND of LM393 voltage comparators two terminates the negative pole into dc source, LM393 voltage ratios compared with
The threshold values pin 6 of the OUT terminal access NE555P timers one of device two, the reset pin 4 of NE555P timers one, power pins 8
The positive pole of dc source is accessed, the grounding pin 1 of NE555P timers one accesses the negative pole of dc source, NE555P timers one
Controlling switch 5 through electric capacity C4 access dc source negative pole；Prevent frequent starting circuit from including resistance R6, resistance R7, resistance
R8, triode Q1, electric capacity C5, electric capacity C6, NE555P timer two and relay KM, resistance R6 one end access NE555P timings
The output pin 3 of device one, resistance R6 other end access triode Q1 base stage, resistance R7, resistance R8 and electric capacity C5 three string
Join and access dc source, resistance R7 terminates the positive pole into dc source, and resistance R8 terminates the negative pole into dc source, triode
Q1 colelctor electrode access resistance R7 and electric capacity C5 branch of connecting, triode Q1 emitter stage access resistance R8 and electric capacity C5 string
Join branch, resistance R8 accesses the triggering pin 2 of NE555P timers two, threshold values pin 6, NE555P with electric capacity C5 branch of connecting
The reset pin 4 of timer two, power pins 8 access the positive pole of dc source, and the grounding pin 1 of NE555P timers two accesses
The negative pole of dc source, the controlling switch 5 of NE555P timers two access the negative pole of dc source, NE555P timings through electric capacity C6
The negative pole of coil access dc source of the output pin 3 of device two through relay KM.
A kind of 2. Intelligent submersible pump according to claim 1, it is characterised in that：Described control circuit is added a water shortage and protected
Protection circuit；The excessive low water level protection circuit includes resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, electric capacity C7, electric capacity
C8, triode Q2, triode Q3, triode Q4, triode Q5 and NE555P timer three, wherein resistance R9 one end access
The threshold values pin 6 of NE555P timers one, resistance R9 other end access triode Q2 base stage, triode Q2 colelctor electrode connect
Enter triode Q3 base stage, the negative pole of triode Q2 emitter stage access access dc source, resistance R10 one end access direct current
The positive pole of power supply, resistance R10 other end access triode Q3 base stage, triode Q3 emitter stage access access dc source
Negative pole, resistance R11 and electric capacity C7 connect and access dc source, and resistance R11 terminates the positive pole into dc source, resistance C7 ends
Access the negative pole of dc source, triode Q3 colelctor electrode access resistance R11 and electric capacity C7 branch of connecting, resistance R11 and electricity
Hold triggering pin 2, the threshold values pin 6 of C7 series connection branch access NE555P timers three, the reset of NE555P timers three is drawn
Pin 4, power pins 8 access the positive pole of dc source, and the grounding pin 1 of NE555P timers three accesses the negative pole of dc source,
The controlling switch 5 of NE555P timers three accesses the negative pole of dc source, the output pin 3 of NE555P timers three through electric capacity C8
Base stage through resistance R12 access triodes Q4, triode Q4 colelctor electrode access triode Q5 base stage, triode Q4 transmitting
The negative pole of pole access access dc source, the negative pole of triode Q5 emitter stage access access dc source, resistance R13 one end
Access the positive pole of dc source, resistance R13 other end access triode Q5 base stage, triode Q5 colelctor electrode access direct current
The positive pole of power supply, triggering pin 2, the threshold values pin 6 of triode Q5 emitter stage access access NE555P timers two.
A kind of 3. Intelligent submersible pump according to claim 1, it is characterised in that：The dc source one transient state of parallel connection suppresses two
Pole pipe.
A kind of 4. Intelligent submersible pump according to claim 1, it is characterised in that：Power relay KM one rectifications two of parallel connection
Pole pipe.
A kind of 5. Intelligent submersible pump according to claim 1, it is characterised in that：, the dc source is that capacitance-resistance step down type is straight
Flow power supply, including electric capacity C1, electric capacity C2, resistance R1, rectifier D1, voltage-stabiliser tube D2；Resistance in capacitance-resistance step down type dc source
R1 is in parallel with electric capacity C1 and one end accesses the one of rectifier D1 and exchanges incoming end, and the other end accesses extraneous power end, rectifier D1
Another exchange incoming end also access another extraneous power end, voltage-stabiliser tube D2 is in parallel with electric capacity C2, and voltage-stabiliser tube D2 negative pole connects whole
Device D1 positive DC output end is flowed, voltage-stabiliser tube D2 positive pole connects rectifier D1 negative DC output end.
A kind of 6. Intelligent submersible pump according to claim 1, it is characterised in that：The dc source includes transformer, rectification
Device D3, electric capacity C3；Transformer inputs in dc source access extraneous power supply, output end access rectifier D3 exchange access
End, rectifier D3 DC output end are in parallel with electric capacity C3.
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| CN201710630683.2A CN107588014B (en) | 2017-07-28 | 2017-07-28 | A kind of Intelligent submersible pump |
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| CN201710630683.2A CN107588014B (en) | 2017-07-28 | 2017-07-28 | A kind of Intelligent submersible pump |
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| CN107588014B CN107588014B (en) | 2019-06-07 |
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| CN109737071A (en) * | 2019-01-14 | 2019-05-10 | 湘潭大学 | A kind of fresh water pump that can prevent non-normal use |
| CN109917686A (en) * | 2019-04-11 | 2019-06-21 | 赵华勇 | A kind of control circuit board and control system of medical rubber hose dipping machine |
| CN110319028A (en) * | 2018-03-31 | 2019-10-11 | 江苏江进泵业有限公司 | A kind of intelligence proof submersible sand discharging pump |
| CN110451262A (en) * | 2019-08-20 | 2019-11-15 | 赵华勇 | A kind of control circuit board of medical rubber hose dipping machine |
| WO2022205766A1 (en) * | 2021-03-31 | 2022-10-06 | 浙江大元泵业股份有限公司 | Water shortage detection and control method for submersible pump |
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| CN110319028A (en) * | 2018-03-31 | 2019-10-11 | 江苏江进泵业有限公司 | A kind of intelligence proof submersible sand discharging pump |
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| CN107588014B (en) | 2019-06-07 |
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Effective date of registration: 20190517 Address after: 225266 Shuanghua Village, Dinghuo Town, Jiangdu District, Yangzhou City, Jiangsu Province Applicant after: Jiangsu Suhua Pump Industry Co., Ltd. Address before: 317525 No. 25, Ta Ao village, Dashi Town, Wenling City, Taizhou, Zhejiang Applicant before: Hu Junfen |
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