CN109630422A - A kind of control circuit of self priming pump water testing machine - Google Patents
A kind of control circuit of self priming pump water testing machine Download PDFInfo
- Publication number
- CN109630422A CN109630422A CN201811410974.1A CN201811410974A CN109630422A CN 109630422 A CN109630422 A CN 109630422A CN 201811410974 A CN201811410974 A CN 201811410974A CN 109630422 A CN109630422 A CN 109630422A
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- relay
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- point
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D9/00—Priming; Preventing vapour lock
- F04D9/02—Self-priming pumps
Abstract
The present invention relates to a kind of control circuits of self priming pump water testing machine.The circuit includes detection circuit, as the result is shown circuit and reset circuit；The detection circuit include start button, relay KM1, solenoid valve KM2, solenoid valve KM3, time relay KT1, relay KM4, time relay KT2, time relay KT3, relay KM5, the control coil KM6 of normally open solenoid valve door one, the control coil KM7 of normally open solenoid valve door two, socket and relay KM10 normally-closed contact；The circuit as the result is shown includes the normally-closed contact of electro connecting pressure gauge, electric contact vacuum meter, relay KM8, relay KM9, indicator light X1, indicator light X2 and relay KM10；The reset circuit includes the coil of reset button and relay KM10.Using the present invention, manual action is enormously simplified in the work of self priming pump water testing machine.
Description
Technical field
The present invention relates to a kind of control circuit, the control circuit of specifically a kind of self priming pump water testing machine.
Background technique
Self priming pump as shown in Figure 1 is that a kind of very universal pump is used in life, there is water inlet 1 and water outlet on the self priming pump
Mouth 2, self priming pump could dispatch from the factory after having the parameters such as lift and suction, producer to need to test self priming pump, and that tests now sets
Standby water testing machine as shown in Figure 2 mostly, have on the water testing machine plate 3, seal head 1, cylinder 1, pressure gauge 7, vacuum meter 8,
Seal head 2 11, cylinder 2 13 and rack；Plate 3 is connected on the rack, there is the fixture for clamping self priming pump on plate 3；Cylinder 1
It is connected on the rack；Seal head 1 is connected in the mobile bar of cylinder 1, there is outlet pass one, sealed port on seal head 1
One 4 and connectivity port 1, outlet pass one connects sealed port 1 and connectivity port 1；Cylinder 2 13 is connected on the rack；It is close
End socket 2 11 is connected in the mobile bar of cylinder 2 13, there is outlet pass two, sealed port 2 12 and connecting pin on seal head 2 11
Mouth 2 10, outlet pass two connect sealed port 2 12 and connectivity port 2 10；Pressure gauge 7 is connected on the rack, and pressure gauge 7 connects
Outlet pass one at connectivity port 1, for showing the pressure of outlet pass one；Vacuum meter 8 is connected on the rack, and vacuum meter 8 connects
The outlet pass two at connectivity port 2 10 is connect, for showing the pressure of outlet pass two；Outlet pass one and outlet pass two be all when work
Water source is connected, a circulation waterway is formed, and have manually-operated gate one between outlet pass one and water source, there are manually-operated gate two
Between outlet pass two and water source；The step of water testing machine uses are as follows: first self priming pump is put at the fixture of plate 3 and is fixed,
Middle sealed port 1 faces water outlet 2, and sealed port 2 12 faces water inlet 1, then by start button starting examination water
Machine, cylinder 1 and cylinder 2 13 all stretch out mobile bar, and the sealed port 1 of seal head 1 is withstood at water outlet 2 and sealed
Firmly, the sealed port 2 12 of seal head 2 11 is withstood at water inlet 1 and is sealed up, manually opened manually-operated gate one and hand-operated valve
Door two makes self priming pump even connect with the mains manually, and manually-operated gate one, outlet pass one is turned off manually in self-priming pump startup after a period of time
It is closed between water source, pressure increase at outlet pass one, whether pressure value, that is, lift of observation pressure gauge 7 reaches rated value, so
Manually-operated gate two is closed after manually opened manually-operated gate one afterwards, is closed between outlet pass two and water source, vacuum degree at outlet pass two
Increase, whether vacuum pressure value, that is, suction of observation vacuum meter 8 reaches rated value, self priming pump is then turned off manually, then by stopping
Button cylinder 1 and cylinder 2 13 all stretch return lever, take out the self priming pump tested, are put well according to test result, then again
It tests next.Movement needed to be completed manually for this water testing machine has: by start button and stop button, starting and closing
Self priming pump observes pressure gauge 7 and vacuum meter 8, starting and closing manually-operated gate one and the movement of manually-operated gate two etc., these are dynamic
Artificial mentality is largely effected on, in order to simplify manual action, needs to change the control circuit of the water testing machine.
Summary of the invention
The purpose of the present invention is to provide a kind of control circuit of above-mentioned self priming pump water testing machine, simplify at work artificial
Movement.
The technical solution adopted by the present invention: a kind of control circuit of self priming pump water testing machine includes that detection circuit, result are aobvious
Show circuit and reset circuit；The detection circuit include start button, relay KM1, solenoid valve KM2, solenoid valve KM3, when
Between relay KT1, relay KM4, time relay KT2, time relay KT3, relay KM5, normally open solenoid valve door one
Control coil KM6, the control coil KM7 of normally open solenoid valve door two, socket and relay KM10 normally-closed contact；Wherein starting is pressed
The normally-closed contact of button, the coil of relay KM1 and relay KM10 connects and accesses power supply, and start button and relay
Power supply is accessed at the normally-closed contact of KM10；The series connection branch of the normally-closed contact of the coil and relay KM10 of relay KM1 is A
The series connection branch of the coil of point, start button and relay KM1 is B point；The normally opened contact and start button of relay KM1 is simultaneously
Connection；The coil of solenoid valve KM2 and the coils from parallel connection of coils of relay KM1；The coil of solenoid valve KM3 and the coils from parallel connection of coils of relay KM1；
The coil of time relay KT1 and the coils from parallel connection of coils of relay KM1；Time relay KT1 is on-delay type, time relay
B point, the other end cut-in relay KM4 coil of the normally opened contact of time relay KT1 are accessed in one end of the normally opened contact of device KT1
One end；The other end of relay KM4 coil accesses A point；The normally opened contact of time relay KT1 and relay KM4 coil
Series connection branch is C point；C point, another termination of the normally opened contact of relay KM4 are accessed in one end of the normally opened contact of relay KM4
Enter one end of socket；The other end of socket accesses A point；The coil of time relay KT2 and the coils from parallel connection of coils of relay KM4；When
Between relay KT2 be on-delay type, C point, time relay KT2 are accessed in one end of the normally opened contact of time relay KT2
Normally opened contact other end turn-on time relay KT3 coil one end；The other end of time relay KT3 coil accesses A
Point；The series connection branch of the coil of the normally opened contact and time relay KT3 of time relay KT2 is D point；Time relay KT3
It is on-delay type, D point is accessed in one end of the normally opened contact of time relay KT3, the normally opened contact of time relay KT3
One end of other end cut-in relay KM5 coil；The other end of relay KM5 coil accesses A point；The normally closed touching of relay KM5
D point is accessed in one end of point, the control coil KM6's of the other end access normally open solenoid valve door one of the normally-closed contact of relay KM5
One end；The other end of control coil KM6 accesses A point；D point is accessed in one end of the normally opened contact of relay KM5, relay KM5's
One end of the control coil KM7 of the other end access normally open solenoid valve door two of normally opened contact；The other end of control coil KM7 accesses
A point；The circuit as the result is shown includes electro connecting pressure gauge, electric contact vacuum meter, relay KM8, relay KM9, instruction
The normally-closed contact of lamp X1, indicator light X2 and relay KM10；The wiring of electro connecting pressure gauge includes signal end one and common end one,
Wherein the normally-closed contact of the wiring of electro connecting pressure gauge, the coil of relay KM8 and relay KM10 connects and accesses power supply, and
And power supply is accessed at the wiring of electro connecting pressure gauge and the normally-closed contact of relay KM10；The normally opened contact and electricity of relay KM8
The wiring of contact pressure table is in parallel；The coils from parallel connection of coils of indicator light X1 and relay KM8；The wiring of electric contact vacuum meter includes signal
Two and common end two are held, wherein the normally-closed contact string of the wiring of electric contact vacuum meter, the coil of relay KM9 and relay KM10
Join and access power supply, and accesses power supply at the wiring of electric contact vacuum meter and the normally-closed contact of relay KM10；Relay KM9
Normally opened contact it is in parallel with the wiring of electric contact vacuum meter；The coils from parallel connection of coils of indicator light X2 and relay KM9；Relay KM8's
The series connection branch of the normally-closed contact of coil and relay KM10 is A point；The reset circuit includes reset button and relay
The coil of device KM10；The coil of reset button and relay KM10 connect and access power supply；The normally-closed contact of relay KM10 is same
Belong to detection circuit and as the result is shown circuit.
Beneficial effects of the present invention: manual action is enormously simplified in above-mentioned self priming pump water testing machine test job.
Detailed description of the invention
The following further describes the present invention with reference to the drawings.
Fig. 1 is the simple schematic diagram of the object self priming pump for the water testing machine examination water that the present invention is directed to.
Fig. 2 is the schematic diagram for the water testing machine that the present invention is directed to.
Fig. 3 is the partial enlarged view of Fig. 2.
Fig. 4 is the simple schematic diagram of the water circuit system in water testing machine of the invention.
Fig. 5 is the schematic diagram of detection circuit in control circuit of the present invention.
Fig. 6 is the schematic diagram of circuit as the result is shown in control circuit of the present invention.
Fig. 7 is the schematic diagram of reset circuit in control circuit of the present invention.
Fig. 8 is an alternative embodiment of circuit as the result is shown in control circuit of the present invention.
In figure:
1: water inlet 2: water outlet 3: plate 4: sealed port 1: seal head 1: cylinder 1: pressure gauge 8: vacuum
Table 9: connectivity port 1: connectivity port 2 11: seal head 2 12: sealed port 2 13: cylinder 2 14: three-way connection
One 15: port 1: normally open solenoid valve door 1: port 2 18: normally open solenoid valve door 2 19: port 3 20: port
4 21: three-way connection 2 22: start button 23: socket 24: electro connecting pressure gauge 25: signal end 1: common end one
27: electric contact vacuum meter 28: signal end 2 29: common end 2 30: reset button.
Specific embodiment
Fig. 5 to Fig. 7 is a kind of schematic diagram of the control circuit of self priming pump water testing machine of the present invention, You Tuzhi, a kind of self-priming
The control circuit for pumping water testing machine includes detection circuit, as the result is shown circuit and reset circuit；Known by Fig. 5, the detection circuit
Including start button 22, relay KM1, solenoid valve KM2, solenoid valve KM3, time relay KT1, relay KM4, time relay
Device KT2, time relay KT3, relay KM5, the control coil KM6 of normally open solenoid valve door 1, normally open solenoid valve door 2 18
Control coil KM7, socket 23 and relay KM10 normally-closed contact；Wherein start button 22, relay KM1 coil and after
The normally-closed contact of electric appliance KM10 connects and accesses power supply, and electricity is accessed at the normally-closed contact of start button 22 and relay KM10
Source；The series connection branch of the normally-closed contact of the coil and relay KM10 of relay KM1 is A point, start button 22 and relay KM1
Coil series connection branch be B point；The normally opened contact of relay KM1 is in parallel with start button 22；The coil of solenoid valve KM2 with after
The coils from parallel connection of coils of electric appliance KM1；The coil of solenoid valve KM3 and the coils from parallel connection of coils of relay KM1；The coil of time relay KT1 with
The coils from parallel connection of coils of relay KM1；Time relay KT1 is on-delay type, one end of the normally opened contact of time relay KT1
Access B point, one end of the other end cut-in relay KM4 coil of the normally opened contact of time relay KT1；Relay KM4 coil
The other end access A point；The normally opened contact of time relay KT1 and the series connection branch of relay KM4 coil are C point；Relay
C point, one end of the other end access socket 23 of the normally opened contact of relay KM4 are accessed in one end of the normally opened contact of KM4；Socket 23
The other end access A point；The coil of time relay KT2 and the coils from parallel connection of coils of relay KM4；Time relay KT2 is logical
C point, the other end of the normally opened contact of time relay KT2 are accessed in one end of electric time lagged type, the normally opened contact of time relay KT2
One end of turn-on time relay KT3 coil；The other end of time relay KT3 coil accesses A point；Time relay KT2's
The series connection branch of the coil of normally opened contact and time relay KT3 is D point；Time relay KT3 is on-delay type, time
D point, the other end cut-in relay KM5 of the normally opened contact of time relay KT3 are accessed in one end of the normally opened contact of relay KT3
One end of coil；The other end of relay KM5 coil accesses A point；D point, relay are accessed in one end of the normally-closed contact of relay KM5
One end of the control coil KM6 of the other end access normally open solenoid valve door 1 of the normally-closed contact of device KM5；Control coil KM6's
The other end accesses A point；D point, another termination of the normally opened contact of relay KM5 are accessed in one end of the normally opened contact of relay KM5
Enter one end of the control coil KM7 of normally open solenoid valve door 2 18；The other end of control coil KM7 accesses A point；Known by Fig. 6, it is described
Circuit as the result is shown include electro connecting pressure gauge 24, electric contact vacuum meter 27, relay KM8, relay KM9, indicator light X1,
The normally-closed contact of indicator light X2 and relay KM10；The wiring of electro connecting pressure gauge 24 includes signal end 1 and common end 1
(signal end 1 is communicated with common end 1 when setting pressure is between lower and upper limit), wherein electro connecting pressure gauge 24 connects
The normally-closed contact of line (referring to signal end 1 and common end 1), the coil of relay KM8 and relay KM10 is connected and is accessed
Power supply, and power supply is accessed at the wiring of electro connecting pressure gauge 24 and the normally-closed contact of relay KM10；Relay KM8's is normally opened
Contact is in parallel with the wiring of electro connecting pressure gauge 24；The coils from parallel connection of coils of indicator light X1 and relay KM8；Electric contact vacuum meter 27
Wiring include signal end 2 28 and two 29(of common end setting vacuum pressure between lower and upper limit when signal end 2 28 and public
Hold 2 29 to communicate), wherein the wiring (referring to signal end 2 28 and common end 2 29) of electric contact vacuum meter 27, relay KM9 line
The normally-closed contact of circle and relay KM10 connects and accesses power supply, and wiring and the relay KM10 of electric contact vacuum meter 27
Power supply is accessed at normally-closed contact；The normally opened contact of relay KM9 is in parallel with the wiring of electric contact vacuum meter 27；Indicator light X2 with after
The coils from parallel connection of coils of electric appliance KM9；The series connection branch of the normally-closed contact of the coil and relay KM10 of relay KM8 is A point；By scheming
7 know, the reset circuit includes the coil of reset button 30 and relay KM10；The line of reset button 30 and relay KM10
Circle connects and accesses power supply；The normally-closed contact of relay KM10 belongs to detection circuit and as the result is shown circuit.
Water testing machine equipped with control circuit of the present invention works in this way, which connects pneumatic system and control electricity
Road, powers on and gas source, and wherein solenoid valve KM2 controls the flexible of cylinder 1, and solenoid valve KM3 controls the flexible of cylinder 2 13.
As shown in figure 4, a port of three-way connection 1 to be sealedly connected on to the connectivity port 1 of seal head 1 in water circuit system
The outlet pass one at place, there are also other two port, that is, ports 1 and port 2 17, electro connecting pressure gauges 24 for three-way connection 1
It is connected on the rack, electro connecting pressure gauge 24 is connected and communicated with outlet pass one at port 2 17, normally open solenoid valve door 1
One end is connected at port 1 and communicates with outlet pass one, at the other end connection water source of normally open solenoid valve door 1；By three
One port of pass joint 2 21 is sealedly connected on the outlet pass two at the connectivity port 2 10 of seal head 2 11, three-way connection two
21 there are also other two port, that is, ports 3 19 and port 4 20, and electric contact vacuum meter 27 is connected on the rack, electric contact vacuum
Table 27 connect port 3 19 at i.e. communicated with outlet pass two, one end of normally open solenoid valve door 2 18 be connected at port 4 20 i.e. with
Outlet pass two communicates, at the other end connection water source of normally open solenoid valve door 2 18；Electro connecting pressure gauge 24 is experienced in seal head 1
Hydraulic pressure at outlet pass one sets the lower limit pointer and upper limit pointer of electro connecting pressure gauge 24 according to self priming pump rated head
(signal end 1 is communicated with common end 1 when the pressure that electro connecting pressure gauge 24 receives when test reaches setting value, shows to raise
Cheng Hege), electric contact vacuum meter 27 experiences the vacuum pressure in seal head 2 11 at outlet pass two, according to the specified suction of self priming pump
Set the lower limit pointer and the upper limit pointer (vacuum pressure value that electric contact vacuum meter 27 receives when test of electric contact vacuum meter 27
Signal end 2 28 is communicated with common end 2 29 when reaching setting value, shows suction qualification), the present invention point following steps work: 1)
First self priming pump is put at the fixture of plate 3 and is fixed, wherein sealed port 1 faces water outlet 2, and sealed port 2 12 is just
Against water inlet 1, at the attaching plug insertion socket 23 of self priming pump.2) then start water testing machine, relay by start button 22
Device KM1 coil is powered, and the normally opened contact closure of relay KM1 realizes self-locking, the coil energization of solenoid valve KM2, solenoid valve KM2 control
The sealed port 1 of the stretching mobile bar of cylinder 1 processed, seal head 1 is withstood at water outlet 2 and is sealed up, outlet pass one
It is communicated with water outlet 2, the coil of solenoid valve KM3 is powered, and solenoid valve KM3 controls the stretching mobile bar of cylinder 2 13, seal head two
11 sealed port 2 12 is withstood at water inlet 1 and is sealed up, and outlet pass two is communicated with water inlet 1.Time relay KT1's
Coil is powered simultaneously with the coil of solenoid valve KM2 and the coil of solenoid valve KM3, and (time guarantees close over time for timing
End socket 1 seals up water outlet 2, and seal head 2 11 seals up water inlet 1), the normally opened contact closure of time relay KT1, after
Electric appliance KM4 coil is powered, and the normally opened contact closure of relay KM4 makes socket 23 be powered, i.e., self priming pump is powered on, while the time
The coil of relay KT2 is powered, after timing for a period of time (self priming pump is powered on a period of time, forms waterway circulating flowing),
The normally opened contact of time relay KT2 is closed, and the normally-closed contact of relay KM5 makes relay KM6 coil be powered, at the same the time after
The coil of electric appliance KT3 is powered, and the energization of relay KM6 coil makes normally open solenoid valve door 1 close closing at i.e. outlet pass one, leads to
Pressure increase at the mouth of a river one, if signal end 1 and common end one when pressure reaches the setting value of the receiving of electro connecting pressure gauge 24
26 communicate, and the relay KM8 coil in circuit is powered as the result is shown, and the normally opened contact closure of relay KM8 realizes self-locking, instruction
Lamp X1 energization is bright, if signal end 1 and common end 1 when the setting value of the receiving of electro connecting pressure gauge 24 is not achieved in pressure
Straight to disconnect, indicator light X1 does not work, and (timing time guarantees the normal feelings of self-priming pump lift after time relay KT3 timing for a period of time
Under condition, signal end 1 is communicated with common end 1 when the pressure that electro connecting pressure gauge 24 receives reaches setting value), time relay
The normally opened contact of device KT3 is closed, and the coil of relay KM5 is powered, and the normally opened contact closure of relay KM5, relay KM5's is normal
Closed contact separation, makes relay KM6 coil no power open normally open solenoid valve door 1, and the energization of relay KM7 coil makes often
It is to close at outlet pass two that open electromagnetic valve door 2 18, which is closed, pressure decline at outlet pass two, if vacuum pressure reaches electric contact
Signal end 2 28 is communicated with common end 2 29 when the setting value that vacuum meter 27 receives, as the result is shown the relay KM9 line in circuit
Circle is powered, and the normally opened contact closure realization of relay KM9 is self-locking, and indicator light X2 energization is bright, if vacuum pressure is not achieved electricity and connects
Signal end 2 28 disconnects always with common end 2 29 when the setting value that point vacuum meter 27 receives, and indicator light X2 does not work.3) when one end
Between after, the case where checking indicator light X1 and indicator light X2, judges whether self priming pump complies with standard, if indicator light X1 and indicator light
The all bright i.e. self priming pump of X2 is qualified.By reset button 30, relay KM10 coil is powered, the normally-closed contact separation of relay KM10,
Detection circuit and as the result is shown circuit reset, cylinder 1 and cylinder 2 13 stretch return lever.4) self priming pump plug is extracted, is taken out
Self priming pump is put well according to inspection result, return step 1) test other self priming pumps that do not test.Relatively pervious water testing machine, manually
It is greatly simplified artificial dynamic without midway movement manually-operated gate one and manually-operated gate two without midway observation pressure gauge and vacuum meter
Make.
Fig. 8 is an alternative embodiment of circuit as the result is shown in control circuit of the present invention.Known by figure, in above-mentioned technical proposal
Circuit as the result is shown have alternative embodiment, which includes electro connecting pressure gauge 24, electric contact vacuum meter 27, relay
Device KM8, relay KM9 and relay KM10；The wiring of electro connecting pressure gauge 24 includes that signal end 1 and one 26(of common end are set
Signal end 1 is communicated with common end 1 when constant-pressure is between lower and upper limit), the wherein wiring of electro connecting pressure gauge 24
The normally-closed contact of (referring to signal end 1 and common end 1), the coil of relay KM8 and relay KM10 connects and accesses electricity
Source, and power supply is accessed at the wiring of electro connecting pressure gauge 24 and the normally-closed contact of relay KM10；Relay KM8 has normally opened touching
The normally opened contact KM8a of point KM8a and normally opened contact KM8b, relay KM8 are in parallel with the wiring of electro connecting pressure gauge 24；Electric contact
The wiring of vacuum meter 27 includes signal end when signal end 2 28 and two 29(of common end set vacuum pressure between lower and upper limit
2 28 and common end 2 29 communicate), the wherein wiring (referring to signal end 2 28 and common end 2 29) of electric contact vacuum meter 27, relay
The coil of device KM9 and the normally-closed contact of relay KM10 connect and access power supply, and the wiring of electric contact vacuum meter 27 and after
Power supply is accessed at the normally-closed contact of electric appliance KM10；Relay KM9 has normally opened contact KM9a and normally opened contact KM9b, relay KM9
Normally opened contact KM9a it is in parallel with the wiring of electric contact vacuum meter 27；The normally closed touching of the coil and relay KM10 of relay KM8
The series connection branch of point is A point；Normally opened contact KM9b, the relay of the normally opened contact KM8b of relay KM8, relay KM9
The coil of KM10 and the normally-closed contact of relay KM10 connect and access power supply.After the circuit as the result is shown using replacement,
When test if self priming pump is qualified, relay KM8 coil is powered, and the normally opened contact KM8a closure of relay KM8 is realized certainly
Lock, relay KM9 coil are powered, and the normally opened contact KM9a closure of relay KM9 realizes self-locking, normally opened contact KM8b and normally opened touching
Point KM9b, which is also closed, makes relay KM10 coil be powered, the separation of the normally-closed contact of relay KM10, detection circuit and as the result is shown
Circuit reset, cylinder 1 and cylinder 2 13 stretch return lever, do not need by reset button 30.
In addition to the implementation, there are also other embodiments by the present invention.It is all using equivalent substitution or equivalent transformation formed
Technical solution is all fallen within the protection domain of application claims.
Claims (2)
1. a kind of control circuit of self priming pump water testing machine, it is characterised in that: a kind of control circuit of self priming pump water testing machine includes
Detection circuit, as the result is shown circuit and reset circuit；The detection circuit includes start button, relay KM1, solenoid valve
KM2, solenoid valve KM3, time relay KT1, relay KM4, time relay KT2, time relay KT3, relay KM5,
The control coil KM6 of normally open solenoid valve door one, the control coil KM7 of normally open solenoid valve door two, socket and relay KM10 it is normal
Closed contact；Wherein the normally-closed contact of start button, the coil of relay KM1 and relay KM10 connects and accesses power supply, and
Power supply is accessed at the normally-closed contact of start button and relay KM10；The normally closed touching of the coil and relay KM10 of relay KM1
The series connection branch of point is A point, and the series connection branch of the coil of start button and relay KM1 is B point；The normally opened touching of relay KM1
Point is in parallel with start button；The coil of solenoid valve KM2 and the coils from parallel connection of coils of relay KM1；The coil and relay of solenoid valve KM3
The coils from parallel connection of coils of KM1；The coil of time relay KT1 and the coils from parallel connection of coils of relay KM1；Time relay KT1 is to be powered
B point, another termination of the normally opened contact of time relay KT1 are accessed in one end of time lagged type, the normally opened contact of time relay KT1
Enter one end of relay KM4 coil；The other end of relay KM4 coil accesses A point；The normally opened contact of time relay KT1 and
The series connection branch of relay KM4 coil is C point；C point is accessed in one end of the normally opened contact of relay KM4, and relay KM4's is normally opened
One end of the other end access socket of contact；The other end of socket accesses A point；The coil and relay KM4 of time relay KT2
Coils from parallel connection of coils；Time relay KT2 is on-delay type, and C point is accessed in one end of the normally opened contact of time relay KT2,
One end of the other end turn-on time relay KT3 coil of the normally opened contact of time relay KT2；Time relay KT3 coil
The other end access A point；The series connection branch of the coil of the normally opened contact and time relay KT3 of time relay KT2 is D point；
Time relay KT3 is on-delay type, and D point, the time relay are accessed in one end of the normally opened contact of time relay KT3
One end of the other end cut-in relay KM5 coil of the normally opened contact of KT3；The other end of relay KM5 coil accesses A point；After
D point is accessed in one end of the normally-closed contact of electric appliance KM5, and the other end of the normally-closed contact of relay KM5 accesses normally open solenoid valve door one
Control coil KM6 one end；The other end of control coil KM6 accesses A point；D is accessed in one end of the normally opened contact of relay KM5
Point, one end of the control coil KM7 of the other end access normally open solenoid valve door two of the normally opened contact of relay KM5；Control coil
The other end of KM7 accesses A point；The circuit as the result is shown include electro connecting pressure gauge, electric contact vacuum meter, relay KM8,
The normally-closed contact of relay KM9, indicator light X1, indicator light X2 and relay KM10；The wiring of electro connecting pressure gauge includes signal
One and common end one are held, wherein the normally-closed contact string of the wiring of electro connecting pressure gauge, the coil of relay KM8 and relay KM10
Join and access power supply, and accesses power supply at the wiring of electro connecting pressure gauge and the normally-closed contact of relay KM10；Relay KM8
Normally opened contact it is in parallel with the wiring of electro connecting pressure gauge；The coils from parallel connection of coils of indicator light X1 and relay KM8；Electric contact vacuum meter
Wiring include signal end two and common end two, wherein the wiring of electric contact vacuum meter, relay KM9 coil and relay
The normally-closed contact of KM10 connects and accesses power supply, and connects at the wiring of electric contact vacuum meter and the normally-closed contact of relay KM10
Enter power supply；The normally opened contact of relay KM9 is in parallel with the wiring of electric contact vacuum meter；The coil of indicator light X2 and relay KM9
It is in parallel；The series connection branch of the normally-closed contact of the coil and relay KM10 of relay KM8 is A point；The reset circuit packet
Include the coil of reset button and relay KM10；The coil of reset button and relay KM10 connect and access power supply；Relay
The normally-closed contact of KM10 belongs to detection circuit and as the result is shown circuit.
2. a kind of control circuit of self priming pump water testing machine according to claim 1, it is characterised in that: in above-mentioned technical proposal
Circuit as the result is shown have alternative embodiment, which includes electro connecting pressure gauge, electric contact vacuum meter, relay
KM8, relay KM9 and relay KM10；The wiring of electro connecting pressure gauge includes signal end one and common end one, wherein electric contact
The normally-closed contact of the wiring of pressure gauge, the coil of relay KM8 and relay KM10 connects and accesses power supply, and electric contact pressure
Power supply is accessed at the wiring of power table and the normally-closed contact of relay KM10；Relay KM8 has normally opened contact KM8a and normally opened contact
The normally opened contact KM8a of KM8b, relay KM8 are in parallel with the wiring of electro connecting pressure gauge；The wiring of electric contact vacuum meter includes letter
Number end two and common end two, wherein the wiring of electric contact vacuum meter, the coil of relay KM9 and relay KM10 normally-closed contact
It connects and accesses power supply, and access power supply at the wiring of electric contact vacuum meter and the normally-closed contact of relay KM10；Relay
KM9 has normally opened contact KM9a and normally opened contact KM9b, and the wiring of the normally opened contact KM9a and electric contact vacuum meter of relay KM9 are simultaneously
Connection；The series connection branch of the normally-closed contact of the coil and relay KM10 of relay KM8 is A point；The normally opened contact of relay KM8
KM8b, the normally opened contact KM9b of relay KM9, the coil of relay KM10 and relay KM10 normally-closed contact connect and access
Power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811410974.1A CN109630422B (en) | 2018-11-24 | 2018-11-24 | Control circuit of self-priming pump water testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811410974.1A CN109630422B (en) | 2018-11-24 | 2018-11-24 | Control circuit of self-priming pump water testing machine |
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| CN109630422A true CN109630422A (en) | 2019-04-16 |
| CN109630422B CN109630422B (en) | 2020-05-19 |
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| CN201811410974.1A Active CN109630422B (en) | 2018-11-24 | 2018-11-24 | Control circuit of self-priming pump water testing machine |
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| JP2000287483A (en) * | 1999-03-31 | 2000-10-13 | Matsushita Electric Ind Co Ltd | Apparatus and method for controlling brushless motor, and self-priming pump |
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| US20110280705A1 (en) * | 2010-04-01 | 2011-11-17 | Cummins Intellectual Properties, Inc. | Water pump and water pump system and method |
| CN102606491A (en) * | 2012-03-26 | 2012-07-25 | 渤海大学 | Self-priming self-control method and device for centrifugal water pump |
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| CN105889082A (en) * | 2015-01-26 | 2016-08-24 | 赵华勇 | Intelligent self-priming pump |
| CN107643484A (en) * | 2016-12-01 | 2018-01-30 | 中国石油化工股份有限公司 | Frequency conversion type self priming pump electric efficiency method of testing |
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2018
- 2018-11-24 CN CN201811410974.1A patent/CN109630422B/en active Active
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| JP2000287483A (en) * | 1999-03-31 | 2000-10-13 | Matsushita Electric Ind Co Ltd | Apparatus and method for controlling brushless motor, and self-priming pump |
| CN2816423Y (en) * | 2005-09-08 | 2006-09-13 | 上海东方泵业(集团)有限公司 | Self-suction pump of preventing evacuated |
| US20110280705A1 (en) * | 2010-04-01 | 2011-11-17 | Cummins Intellectual Properties, Inc. | Water pump and water pump system and method |
| CN102606491A (en) * | 2012-03-26 | 2012-07-25 | 渤海大学 | Self-priming self-control method and device for centrifugal water pump |
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|---|---|
| CN109630422B (en) | 2020-05-19 |
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Effective date of registration: 20200408 Address after: No. 98, Hongbei Road, Shengci Town, Jingjiang City, Taizhou City, Jiangsu Province Applicant after: Jiangsu CLP pump valve manufacturing Co., Ltd. Address before: The town of Tang Ling village in Wenling city of Taizhou City, Zhejiang province 317525 No. 390 Applicant before: Zhao Huayong |
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