CN103064413B - Programmable logic controller (PLC) and touch screen type water pump controller testing system - Google Patents
Programmable logic controller (PLC) and touch screen type water pump controller testing system Download PDFInfo
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- CN103064413B CN103064413B CN201310005681.6A CN201310005681A CN103064413B CN 103064413 B CN103064413 B CN 103064413B CN 201310005681 A CN201310005681 A CN 201310005681A CN 103064413 B CN103064413 B CN 103064413B
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Abstract
The invention discloses a programmable logic controller (PLC) and touch screen type water pump controller testing system which is characterized by comprising a water storage box, a first electromagnetic valve, a single-phase motor water pump, a water pump automatic controller, a pressure sensor, a second electromagnetic valve, an electronic stepping motor valve, a flow sensor, a control system, a first pipeline and a second pipeline. A water inlet pipeline of the single-phase motor water pump is submerged into the water storage box. The first electromagnetic valve is arranged on the water inlet pipeline. The water pump automatic controller is installed on a water outlet pipeline of the single-phase motor water pump. The pressure sensor, the electronic stepping motor valve and the flow sensor are sequentially installed on the second pipeline behind the water pump automatic controller. The second electromagnetic valve is installed on the first pipeline behind the water pump automatic controller. Openings of the first pipeline and the second pipeline are arranged in the water storage box.
Description
Technical field
The present invention relates to PLC and touch-screen type water pump controller test macro, be mainly applicable to the full-automatic detection of electronic type automatic controller for water pump product various performance parameters.
Background technology
For electronic type automatic controller for water pump, conventionally to carry out every detection about performance, for example: 1, time delay value stop time:, when in the normal work of water pump, user closes all water outlet valves (when now water pump water source does not have lack of water) behind the door, the time value that water pump time delay is shut down;
2, starting pressure value: when in the normal work of water pump, close after all outlet valve water pump time delay a period of times shutdown, now pipeline pressure is approximately equal to the H-Max of water pump, while opening water delivering orifice again, current flow out, pressure drop, when pressure drop during to a certain value water pump again start work, corresponding is exactly the starting pressure value of controller;
3, start flow value: because controller is with excessive low water level protection function, whether lack of water and detect user and whether close water delivering orifice of the water source that detects water pump, all to utilize the startup flow value of controller to judge, if water delivering orifice pipeline flow continues to be less than the startup flow of controller, after delay time arrival, controller will cut off the working power of water pump;
4, lack of water value stop time: i.e. after controller detects water pump water source lack of water (in the time of water pump water source lack of water), the time value that time delay is shut down.
Current existing electronic type automatic controller for water pump product various performance parameters pick-up unit has multiple, but also there is shortcoming separately simultaneously, mainly be divided into: the one, manual detection system, it uses the installation compositions such as mechanical pressure gauge, flowmeter, machinery valve, while testing whole performance parameter, separate test step by step, the shortcomings such as efficiency is low, poor accuracy; The 2nd, semi-automatic detection system, it mainly coordinates certain hardware simplicity relay circuit to form by devices such as mechanical pressure gauge, flowmeter, machinery valve, solenoid valves again, and shortcoming is that automaticity is not high, efficiency is low, poor accuracy etc.
Summary of the invention
The object of the invention is the shortcoming existing in order to overcome prior art, provide a kind of accurately, PLC and the touch-screen type water pump controller test macro of efficient, fully automatic integral.
The technical scheme of PLC of the present invention and touch-screen type water pump controller test macro is: it is characterized in that comprising reserve tank, the first solenoid valve, monophase machine water pump, automatic controller for water pump, pressure transducer, the second solenoid valve, electronics Step electric machine valve, flow sensor, control system, the first pipeline and second pipe, the water inlet pipeline of described monophase machine water pump slips in reserve tank, and the first solenoid valve is installed on water inlet pipeline, on the water delivering orifice pipeline of monophase machine water pump, automatic controller for water pump is installed, setting pressure sensor successively on second pipe after automatic controller for water pump, electronics Step electric machine valve and flow sensor, on the first pipeline after automatic controller for water pump, the second solenoid valve is installed, the opening of the first pipeline and second pipe is on reserve tank, described control system is by PLC main frame, touch screen human-computer interface, operation circuit, PLC trapezoid figure program and touch screen human-computer interface program form, described operation circuit is by rectification power circuit, step motor valve gate drive circuit, flow sensor digital signal amplifying circuit, PLC signal input circuit and control output circuit form, rectification power circuit input end connects 220V AC power, rectification power circuit output terminal connects step motor valve gate drive circuit, control circuit is on a circuit board, the rectification power circuit of described control system and step motor valve gate drive circuit are by the input end of civil power AC220V access 5W12V transformer T1, the AC input end of the output terminal access rectifier bridge stack DB1 of transformer T1, the positive pole of the DC output terminal of rectifier bridge stack DB1 connects one end of the first resistance R 1, the positive pole of another termination first light emitting diode DS1 of the first resistance R 1, the negative pole of the first light emitting diode DS1 connects the negative pole of the DC output terminal of rectifier bridge stack DB1, DC power supply status after the first light emitting diode DS1 real time reaction rectification, the both positive and negative polarity that the both positive and negative polarity of the first electrochemical capacitor C1 connects respectively rectification power circuit carries out filtering, filtered DC positive source accesses the input end of the first three-terminal voltage-stabilizing pipe VR1, the GND of the first three-terminal voltage-stabilizing pipe VR1 is connected with DC power cathode, second resistance R 2 one end and the 3rd resistance R 3 one end and the 4th resistance R 4 one end and the positive pole that is connected again DC12V after the 5th resistance R 5 one end short circuits, the 4th pin of another termination the 8th integrated package U8 of the second resistance R 2, the 3rd pin of another termination the 8th integrated package U8 of the 3rd resistance R 3, the 2nd pin of another termination the 8th integrated package U8 of the 4th resistance R 4, the 1st pin of another termination integrated package U8 of the 5th resistance R 5, the 5th of the 8th integrated package U8, the 6th, the 7th, after the 8th pin short circuit, be connected with the negative pole of DC12V, the 9th pin of the 8th integrated package U8 is connected with the positive pole of DC12V, the 16th pin of the 8th integrated package U8 is connected with the green line of electronics Step electric machine valve, the 15th pin of the 8th integrated package U8 is connected with the orange line of electronics Step electric machine valve, the 14th pin of the 8th integrated package U8 is connected with the yellow line of electronics Step electric machine valve, the 13rd pin of the 8th integrated package U8 is connected with the white wire of electronics Step electric machine valve, the redness of electronics Step electric machine valve, after brown line short circuit, be connected with the positive pole of DC12V, the 1st pin of the 8th integrated package U8 is connected with the Y3 of the 3rd expansion module U3 output terminal of PLC again, the 2nd pin of the 8th integrated package U8 is connected with the Y2 of the 3rd expansion module U3 output terminal of PLC again, the 3rd pin of the 8th integrated package U8 is connected with the Y1 of the 3rd expansion module U3 output terminal of PLC again, the 4th pin of the 8th integrated package U8 is connected with the Y0 of the 3rd expansion module U3 output terminal of PLC again, the public C0 end of the 3rd expansion module U3 output terminal of PLC is connected with the negative pole of DC12V, in the flow sensor digital signal amplifying circuit of described control system, the 8th pin of the second ic chip 2 and the output terminal 24V of switch power module U1 are anodal is connected, the 4th pin is connected with the output terminal 24V negative pole of switch power module U1, the 6th resistance R 6 one end are connected with the 2nd pin of the second ic chip 2 with after the 9th resistance R 9 one end short circuits again, the other end of the 6th resistance R 6 is connected with DC24V negative pole, the other end of the 9th resistance R 9 is connected with DC24V is anodal, one end of the 7th resistance R 7 is connected with the 1st pin of the second ic chip 2 with after the 8th resistance R 8 one end short circuits again, the other end of the 7th resistance R 7 is connected with DC24V negative pole, the other end of the 8th resistance R 8 is connected with DC24V is anodal, the tenth resistance R 10 one end are connected with the 3rd pin of flow sensor square-wave signal output terminal and the second ic chip 2, the other end is connected with DC24V is anodal, again the 1st pin of the second ic chip 2 is connected with the main frame U2 input end X0 of PLC, the power positive cathode of flow sensor is connected with the output terminal 24V both positive and negative polarity of switch power module U1 respectively, the input end of civil power AC220V access switch power module U1 in the main control circuit of described control system, output terminal DC24V respectively with the main frame U2 of PLC, the analog-to-digital conversion module U4 of PLC is connected with the working power end of touch screen human-computer interface U5, the 3rd expansion module U3 of the main frame U2 of PLC and PLC, the analog-to-digital conversion module U4 of PLC is by the Parallel port connecting communication carrying, the main frame U2 of PLC and touch screen human-computer interface U5 carry out connecting communication by the serial asynchronous communication RS232 carrying, the main frame U2 input end S/S of PLC connects DC24V positive pole, output terminal C0, C1, C2 all connects DC24V negative pole, pressure transducer working power both positive and negative polarity is connected with DC24V both positive and negative polarity respectively, current mode analog signals is connected with the I+ end of the analog-to-digital conversion module U4 of PLC, the I+ of the analog-to-digital conversion module U4 of PLC and V+ short circuit, the COM end of the analog-to-digital conversion module U4 of PLC is connected with DC24V negative pole, the 6th pilot lamp LED6 is also connected on civil power AC220V, the primary power state of reflection native system in real time, after the anodal short circuit of working power of the first cooling fan M1 and the second cooling fan M2 and the first pilot lamp LED1, be connected with DC24V is anodal, after negative pole short circuit, be connected with normally opened contact one end of rotary switch S1, the normally opened contact other end of rotary switch S1 is connected with DC24V negative pole, open type reset button S2 one end is connected with the input end X2 of the main frame U2 of PLC, the other end is connected with DC24V negative pole, the 3rd open type reset button S3 one end is connected with the input end X3 of the main frame U2 of PLC, the other end is connected with DC24V negative pole, the 4th open type reset button S4 one end is connected with the input end X4 of the main frame U2 of PLC, the other end is connected with DC24V negative pole, open form reset button S5 one end, 5 constant virtues is connected with the input end X5 of the main frame U2 of PLC, the other end is connected with DC24V negative pole, the 6th open type rotary knob S6 one end is connected with the input end X6 of the main frame U2 of PLC, the other end is connected with DC24V negative pole, the 7th open type reset button S7 one end is connected with the input end X7 of the main frame U2 of PLC, the other end is connected with DC24V negative pole, the output terminal Y0 of the main frame U2 of one termination PLC of the first relay K 1 coil, another termination DC24V positive pole, normally opened contact one termination DC24V negative pole, one end of the automatic test passes pilot lamp of another termination LED2, automatically another termination DC24V positive pole of test passes pilot lamp LED2, the output terminal Y4 of the main frame U2 of one termination PLC of the second relay K 2 coils, another termination DC24V positive pole, normally opened contact one termination DC24V negative pole, one end of the automatic test crash pilot lamp of another termination LED3, automatically another termination DC24V positive pole of test crash pilot lamp LED3, the output terminal Y1 of the main frame U2 of one termination PLC of the 3rd relay K 3 coils, another termination DC24V positive pole, normally opened contact one termination DC24V negative pole, one end of another termination bi-bit bi-pass normal-open electromagnetic valve DS1 coil, another termination DC24V positive pole of bi-bit bi-pass normal-open electromagnetic valve DS1 coil, the output terminal Y2 of the main frame U2 of one termination PLC of the 4th relay K 4 coils, another termination DC24V positive pole, normally opened contact one termination DC24V negative pole, one end of another termination bi-bit bi-pass normal-closed electromagnetic valve DS2 coil, another termination DC24V positive pole of bi-bit bi-pass normal-open electromagnetic valve DS2 coil, the coil drive end of output termination the 5th relay K 5 of automatic controller for water pump, the normally opened contact one termination DC24V negative pole of the 5th relay K 5, the input end X1 of the main frame U2 of another termination PLC, the output terminal Y5 of the main frame U2 of one termination PLC of the 6th relay K 6 coils, another termination DC24V positive pole, the L1 end of normally opened contact one termination civil power AC220V, input one end of other end water pump self-actuated controller, the N end of another termination civil power of the input of automatic controller for water pump AC220, the output terminal Y3 of the main frame U2 of one termination PLC of the 11 relay K 11 coils, another termination DC24V positive pole, the public termination DC24V negative pole in contact, one end of normally opened contact termination the 7th relay K 7 coil drive and one end of the tenth relay K 10 coil drive, normally closed contact connects one end of the 8th relay K 8 coil drive and one end of the 9th relay K 9 coil drive, the other end of the 7th relay K 7, the 8th relay K 8, the 9th relay K 9, the tenth relay K 10 coil drive all connects DC24V positive pole, the N end of the 7th relay K 7 normally opened contact one termination AC220V, another termination test water pump drive end PL1, the U end of the 8th relay K 8 normally opened contact one end water pump self-actuated controller output terminals, another termination test water pump drive end PL1, the V end of the 9th relay K 9 normally opened contact one end water pump self-actuated controller output terminals, another termination test water pump drive end PN, the JK2 end of the tenth relay K 10 normally opened contact one end water pump self-actuated controller input ends, another termination test water pump drive end PN, the 4th pilot lamp LED4 and be connected in test water pump drive end PL1 and PN upper, reflect in real time test water pump work state, the 5th pilot lamp LED5 and be connected in automatic controller for water pump power input JK2 and N upper, reflect in real time this automatic controller for water pump "on" position.
The invention discloses a kind of PLC and touch-screen type water pump controller test macro, have the following advantages:
One, adopt programming device PLC and novel state to show touch screen human-computer interface, make this cover detection system more flexible, automaticity is high.
Two, it is more accurate that standard 4-20mA analog output type pressure transducer and digital signal output type flow sensor make detection, and efficiency promotes greatly.
Three, adopt electronics Step electric machine valve, can accurately control pipeline flow and pressure, reduce because interchange, the shutdown of electrically operated valve of DC motor door have inertia, restive the brought pipeline of manually-operated gate and impact, thereby affect the accuracy of data acquisition of pressure versus flow value.
Four, major control circuit is integrated on a circuit board, makes wiring simpler, and cost is lower, conserve space, and main is to be convenient to maintenance and repair maintenance in the future etc.
Five, for the different product of multiple performance parameter, can set different standards to programming device PLC by touch screen human-computer interface, highly versatile, dirigibility is high.
Six, this cover system relates to machinery, electronics, industry control, and integrated comprehensive Design can be used as the standard example of industry automatic controller for water pump Performance Detection.
Brief description of the drawings
Fig. 1 is the topology layout schematic diagram of PLC and touch-screen type water pump controller test macro;
Fig. 2 is the main control circuit schematic diagram of PLC and touch-screen type water pump controller test macro;
Fig. 3 is that rectification power circuit and the Step electric machine valve of PLC and touch-screen type water pump controller test macro drives electronic schematic diagram;
Fig. 4 is the flow sensor digital signal amplifying circuit schematic diagram of PLC and touch-screen type water pump controller test macro.
Embodiment
The present invention relates to a kind of PLC and touch-screen type water pump controller test macro, as shown in Fig. 1-Fig. 4, it is characterized in that: comprise reserve tank 1, the first solenoid valve 2, monophase machine water pump 3, automatic controller for water pump 4, pressure transducer 5, the second solenoid valve 6, electronics Step electric machine valve 7, flow sensor 8, control system 9, the first pipeline 10 and second pipe 11, the water inlet pipeline 12 of described monophase machine water pump 3 slips in reserve tank 1, and the first solenoid valve 2 is installed on water inlet pipeline 12, on the water delivering orifice pipeline of monophase machine water pump 3, automatic controller for water pump 4 is installed, setting pressure sensor 5 successively on second pipe 11 after automatic controller for water pump 4, electronics Step electric machine valve 7 and flow sensor 8, on the first pipeline 10 after automatic controller for water pump 4, the second solenoid valve 6 is installed, the opening of the first pipeline 10 and second pipe 11 is on reserve tank 1.Described control system is made up of PLC main frame, touch screen human-computer interface, operation circuit, PLC trapezoid figure program and touch screen human-computer interface program, described operation circuit is made up of rectification power circuit, step motor valve gate drive circuit, flow sensor digital signal amplifying circuit, PLC signal input circuit and control output circuit, rectification power circuit input end connects 220V AC power, rectification power circuit output terminal connects step motor valve gate drive circuit, and control circuit is on a circuit board.The rectification power circuit of described control system and step motor valve gate drive circuit are by the input end of civil power AC220V access 5W12V transformer T1, the AC input end of the output terminal access rectifier bridge stack DB1 of transformer T1, the positive pole of the DC output terminal of rectifier bridge stack DB1 connects one end of the first resistance R 1, the positive pole of another termination first light emitting diode DS1 of the first resistance R 1, the negative pole of the first light emitting diode DS1 connects the negative pole of the DC output terminal of rectifier bridge stack DB1, DC power supply status after the first light emitting diode DS1 real time reaction rectification, the both positive and negative polarity that the both positive and negative polarity of the first electrochemical capacitor C1 connects respectively rectification power circuit carries out filtering, filtered DC positive source accesses the input end of the first three-terminal voltage-stabilizing pipe VR1, the GND of the first three-terminal voltage-stabilizing pipe VR1 is connected with DC power cathode, second resistance R 2 one end and the 3rd resistance R 3 one end and the 4th resistance R 4 one end and the positive pole that is connected again DC12V after the 5th resistance R 5 one end short circuits, the 4th pin of another termination the 8th integrated package U8 of the second resistance R 2, the 3rd pin of another termination the 8th integrated package U8 of the 3rd resistance R 3, the 2nd pin of another termination the 8th integrated package U8 of the 4th resistance R 4, the 1st pin of another termination integrated package U8 of the 5th resistance R 5, the 5th of the 8th integrated package U8, the 6th, the 7th, after the 8th pin short circuit, be connected with the negative pole of DC12V, the 9th pin of the 8th integrated package U8 is connected with the positive pole of DC12V, the 16th pin of the 8th integrated package U8 is connected with the green line of electronics Step electric machine valve, the 15th pin of the 8th integrated package U8 is connected with the orange line of electronics Step electric machine valve, the 14th pin of the 8th integrated package U8 is connected with the yellow line of electronics Step electric machine valve, the 13rd pin of the 8th integrated package U8 is connected with the white wire of electronics Step electric machine valve, the redness of electronics Step electric machine valve, after brown line short circuit, be connected with the positive pole of DC12V, the 1st pin of the 8th integrated package U8 is connected with the Y3 of the 3rd expansion module U3 output terminal of PLC again, the 2nd pin of the 8th integrated package U8 is connected with the Y2 of the 3rd expansion module U3 output terminal of PLC again, the 3rd pin of the 8th integrated package U8 is connected with the Y1 of the 3rd expansion module U3 output terminal of PLC again, the 4th pin of the 8th integrated package U8 is connected with the Y0 of the 3rd expansion module U3 output terminal of PLC again, the public C0 end of the 3rd expansion module U3 output terminal of PLC is connected with the negative pole of DC12V.In the flow sensor digital signal amplifying circuit of described control system, the 8th pin of the second ic chip 2 and the output terminal 24V of switch power module U1 are anodal is connected, the 4th pin is connected with the output terminal 24V negative pole of switch power module U1, the 6th resistance R 6 one end are connected with the 2nd pin of the second ic chip 2 with after the 9th resistance R 9 one end short circuits again, the other end of the 6th resistance R 6 is connected with DC24V negative pole, the other end of the 9th resistance R 9 is connected with DC24V is anodal, one end of the 7th resistance R 7 is connected with the 1st pin of the second ic chip 2 with after the 8th resistance R 8 one end short circuits again, the other end of the 7th resistance R 7 is connected with DC24V negative pole, the other end of the 8th resistance R 8 is connected with DC24V is anodal, the tenth resistance R 10 one end are connected with the 3rd pin of flow sensor square-wave signal output terminal and the second ic chip 2, the other end is connected with DC24V is anodal, again the 1st pin of the second ic chip 2 is connected with the main frame U2 input end X0 of PLC, the power positive cathode of flow sensor is connected with the output terminal 24V both positive and negative polarity of switch power module U1 respectively.The input end of civil power AC220V access switch power module U1 in the main control circuit of described control system, output terminal DC24V respectively with the main frame U2 of PLC, the analog-to-digital conversion module U4 of PLC is connected with the working power end of touch screen human-computer interface U5, the 3rd expansion module U3 of the main frame U2 of PLC and PLC, the analog-to-digital conversion module U4 of PLC is by the Parallel port connecting communication carrying, the main frame U2 of PLC and touch screen human-computer interface U5 carry out connecting communication by the serial asynchronous communication RS232 carrying, the main frame U2 input end S/S of PLC connects DC24V positive pole, output terminal C0, C1, C2 all connects DC24V negative pole, pressure transducer working power both positive and negative polarity is connected with DC24V both positive and negative polarity respectively, current mode analog signals is connected with the I+ end of the analog-to-digital conversion module U4 of PLC, the I+ of the analog-to-digital conversion module U4 of PLC and V+ short circuit, the COM end of the analog-to-digital conversion module U4 of PLC is connected with DC24V negative pole, the 6th pilot lamp LED6 is also connected on civil power AC220V, the primary power state of reflection native system in real time, after the anodal short circuit of working power of the first cooling fan M1 and the second cooling fan M2 and the first pilot lamp LED1, be connected with DC24V is anodal, after negative pole short circuit, be connected with normally opened contact one end of rotary switch S1, the normally opened contact other end of rotary switch S1 is connected with DC24V negative pole, open type reset button S2 one end is connected with the input end X2 of the main frame U2 of PLC, the other end is connected with DC24V negative pole, the 3rd open type reset button S3 one end is connected with the input end X3 of the main frame U2 of PLC, the other end is connected with DC24V negative pole, the 4th open type reset button S4 one end is connected with the input end X4 of the main frame U2 of PLC, the other end is connected with DC24V negative pole, open form reset button S5 one end, 5 constant virtues is connected with the input end X5 of the main frame U2 of PLC, the other end is connected with DC24V negative pole, the 6th open type rotary knob S6 one end is connected with the input end X6 of the main frame U2 of PLC, the other end is connected with DC24V negative pole, the 7th open type reset button S7 one end is connected with the input end X7 of the main frame U2 of PLC, the other end is connected with DC24V negative pole, the output terminal Y0 of the main frame U2 of one termination PLC of the first relay K 1 coil, another termination DC24V positive pole, normally opened contact one termination DC24V negative pole, one end of the automatic test passes pilot lamp of another termination LED2, automatically another termination DC24V positive pole of test passes pilot lamp LED2, the output terminal Y4 of the main frame U2 of one termination PLC of the second relay K 2 coils, another termination DC24V positive pole, normally opened contact one termination DC24V negative pole, one end of the automatic test crash pilot lamp of another termination LED3, automatically another termination DC24V positive pole of test crash pilot lamp LED3, the output terminal Y1 of the main frame U2 of one termination PLC of the 3rd relay K 3 coils, another termination DC24V positive pole, normally opened contact one termination DC24V negative pole, one end of another termination bi-bit bi-pass normal-open electromagnetic valve DS1 coil, another termination DC24V positive pole of bi-bit bi-pass normal-open electromagnetic valve DS1 coil, the output terminal Y2 of the main frame U2 of one termination PLC of the 4th relay K 4 coils, another termination DC24V positive pole, normally opened contact one termination DC24V negative pole, one end of another termination bi-bit bi-pass normal-closed electromagnetic valve DS2 coil, another termination DC24V positive pole of bi-bit bi-pass normal-open electromagnetic valve DS2 coil, the coil drive end of output termination the 5th relay K 5 of automatic controller for water pump, the normally opened contact one termination DC24V negative pole of the 5th relay K 5, the input end X1 of the main frame U2 of another termination PLC, the output terminal Y5 of the main frame U2 of one termination PLC of the 6th relay K 6 coils, another termination DC24V positive pole, the L1 end of normally opened contact one termination civil power AC220V, input one end of other end water pump self-actuated controller, the N end of another termination civil power of the input of automatic controller for water pump AC220, the output terminal Y3 of the main frame U2 of one termination PLC of the 11 relay K 11 coils, another termination DC24V positive pole, the public termination DC24V negative pole in contact, one end of normally opened contact termination the 7th relay K 7 coil drive and one end of the tenth relay K 10 coil drive, normally closed contact connects one end of the 8th relay K 8 coil drive and one end of the 9th relay K 9 coil drive, the other end of the 7th relay K 7, the 8th relay K 8, the 9th relay K 9, the tenth relay K 10 coil drive all connects DC24V positive pole, the N end of the 7th relay K 7 normally opened contact one termination AC220V, another termination test water pump drive end PL1, the U end of the 8th relay K 8 normally opened contact one end water pump self-actuated controller output terminals, another termination test water pump drive end PL1, the V end of the 9th relay K 9 normally opened contact one end water pump self-actuated controller output terminals, another termination test water pump drive end PN, the JK2 end of the tenth relay K 10 normally opened contact one end water pump self-actuated controller input ends, another termination test water pump drive end PN, the 4th pilot lamp LED4 and be connected in test water pump drive end PL1 and PN upper, reflect in real time test water pump work state, the 5th pilot lamp LED5 and be connected in automatic controller for water pump power input JK2 and N upper, reflect in real time this automatic controller for water pump "on" position.The course of work: after the energising of this test macro, primary power the 6th pilot lamp LED6 lights, the working power pilot lamp that the main frame U2 of PLC, the 3rd expansion module U3, analog-to-digital conversion module U4, switch power module U1, touch screen human-computer interface U5 carry lights, and represents all in holding state.Rotary switch on can manual switchover control box, whether open as required cooling fan work, change rotary switch state, become when normally closed by often opening, power connection, the first cooling fan M1 and the second cooling fan M2 work, LED1 power supply the first pilot lamp lights simultaneously, otherwise, need to close time, rotary switch can be left by normally closed often becoming.This cover test macro can test water automatic pump governor starting pressure value, start flow value, time delay value stop time, lack of water value stop time and the lasting test of supplying water, test water pump is selected single-phase AC220V/750W/4.2A, the multistage centrifugal stainless steel water pump that rated head is 42 meters, before test, first every testing standard scope is inputed to the main frame of PLC by serial port by touch screen human-computer interface, can free setting starting pressure higher limit, starting pressure lower limit, start flow higher limit, start flux lower limit value, time delay higher limit stop time, time delay lower limit stop time, continue water supply time value, lack of water is shut down maximum time value.Test passes standard is the starting pressure higher limit that the starting pressure value of automatic controller for water pump is less than or equal to setting, is more than or equal to and sets starting pressure lower limit; Start flow value and be less than or equal to setting startup flow higher limit, be more than or equal to and set startup flux lower limit value; Time delay value stop time is less than or equal to time delay higher limit stop time of setting, is more than or equal to time delay lower limit stop time; When test continues to supply water, in the lasting water supply time of setting, water pump can not quit work; When test lack of water stop time, shut down after test when starting lack of water, water pump must be shut down and within the scope of maximum time value, stop pump working in lack of water, otherwise failure.This cover test macro is divided into two kinds of manual mode and automatic modes, can carry out free setting by rotary switch S6, in the time selecting manual mode, the 6th open type rotary switch S6 can be adjusted to normally open, under this pattern, the starting pressure value of test water automatic pump governor, time delay value stop time, startup flow value, lasting for water number, lack of water shutdown value separately, in the time selecting automatic mode, the 6th open type rotary switch S6 can be adjusted to normally off, under this pattern, press after the 7th open type reset button S7, system is by according to the starting pressure value of the pre-set logic testing automatic controller for water pump of program, time delay value stop time, start flow value, continue for water number, lack of water shutdown value, in the time wherein having a test failure, whole test will stop, test crash red led LED3 is base flicker during with 1 second, touch screen human-computer interface also will eject corresponding warning picture prompting test crash simultaneously, only have in the time that whole test result is all in pre-set scope, just calculate test passes, last touch screen human-computer interface shows test result be stored in visual format historical data the inside, inquiry after convenient, when test passes, automatically test passes pilot lamp will light.The 6th open type rotary switch S6 is adjusted to normally open, under manual mode, when test time delay value stop time and starting pressure value, press open type reset button S2, test starts, automatic controller for water pump input end the 5th pilot lamp LED5 and test water pump work the 4th pilot lamp LED4 light, touch screen human-computer interface ejects corresponding test pictures, the 4th relay K 4, the 5th relay K 5, the 6th relay K 6, the 8th relay K 8, the 9th relay K 9 conductings, water pump first moves 10 seconds, drain air in piping system and by PLC to electronics Step electric machine valve transmitted signal, electronics Step electric machine valve is closed, within 10 seconds, close main pipeline the second solenoid valve 6 later, the 4th relay K 4 disconnects, make water delivering orifice all in closed condition, PLC counter start-up time timing simultaneously, when automatic controller for water pump output terminal disconnects, the 5th relay K 5 also disconnects, PLC detects that input end X1 stops at once timing in the time of off-state, and time value and pre-set time delay are stopped to the upper limit, lower limit time value compares, in scope, enter the test of starting pressure value at once, not in scope time, will stop at once test, touch screen human-computer interface ejects corresponding warning picture, in the time that test result is in scope, PLC sends out pulse signal to electronics Step electric machine valve, make its slowly Open valve, unlatching enters pipeline, pressure drop, when pressure drop to automatic controller for water pump is started, the 5th relay K 5 conductings, it is PLC input end X1 conducting, PLC detects starting mode of pump signal, and the force value of being passed back by pressure transducer corresponding to record, make comparisons with pre-set value range, test passes is described in scope, touch screen human-computer interface ejects corresponding picture disply net result, test crash not in scope time, touch screen human-computer interface ejects corresponding warning picture.When test starting flow value, press the 3rd open type reset button S3, test starts, automatic controller for water pump input end the 5th pilot lamp LED5 and test water pump work the 4th pilot lamp LED4 light, touch screen human-computer interface ejects corresponding test pictures, the 4th relay K 4, the 5th relay K 5, the 6th relay K 6, the 11 relay K 11, the 7th relay K 7, the tenth relay K 10 conductings, first electronics Step electric machine valve and main pipeline the second solenoid valve 6 are closed, the output terminal of automatic controller for water pump disconnects, PLC detects the output terminal cut-off signal of automatic controller for water pump, but now test water pump also in work, its working power is not subject to the output terminal control of automatic controller for water pump, PLC controls electronics Step electric machine valve again and opens, air enters pipeline, current flow out pipeline, increasing, when the output terminal conducting of automatic controller for water pump, the 5th also conducting of relay K 5, PLC records corresponding flow value after Continuity signal being detected, be startup flow value, and make comparisons with pre-set value range, touch-screen shows net result, when test, allow test water pump work always, and PLC detects the break-make of automatic controller for water pump output terminal, such object is the possibility starting for pressure release in test process.When test continues to supply water, press restoration type button S4, test starts, automatic controller for water pump input end the 5th pilot lamp LED5 and test water pump work the 4th pilot lamp LED4 light, touch screen human-computer interface ejects corresponding test pictures, the 4th relay K 4, the 5th relay K 5, the 6th relay K 6, the 8th relay K 8, the 9th relay K 9 conductings, the timing of PLC counter start-up time, reach pre-set value when the time, if the 5th relay K 5 is always in conducting state in this process, PLC detects that automatic controller for water pump output terminal is considered as test passes in conducting state always, otherwise be considered as test crash, touch-screen shows net result.When test lack of water is worth stop time, press 5 constant virtues open form reset button S5, test starts, automatic controller for water pump input end the 5th pilot lamp LED5 and test water pump work the 4th pilot lamp LED4 light, touch screen human-computer interface ejects corresponding test pictures, the 3rd relay K 3, the 4th relay K 4, the 5th relay K 5, the 6th relay K 6, the 8th relay K 8, the 9th relay K 9 conductings, test water pump water inlet saliva source is nipped off, water delivering orifice is exposed in air, the timing of PLC counter start-up time, when the 5th relay K 5 disconnects, PLC detects time count halted device when automatic controller for water pump output terminal disconnects, and record corresponding time value and predefined lack of water and shut down maximum time value and make comparisons, in the time being less than or equal to maximal value, be considered as test passes, otherwise be considered as test crash, touch screen human-computer interface ejects corresponding test pictures.Have the following advantages: one, adopt programming device PLC and novel state to show touch screen human-computer interface, make this cover detection system more flexible, automaticity is high.Two, it is more accurate that standard 4-20mA analog output type pressure transducer 5 and digital signal output type flow sensor 8 make detection, and efficiency promotes greatly.Three, adopt electronics Step electric machine valve 7; can accurately control pipeline flow and pressure; reduce because interchange, the shutdown of electrically operated valve of DC motor door have inertia, restive the brought pipeline impact of manually-operated gate, thereby affect the accuracy of data acquisition of pressure versus flow value.Four, major control circuit is integrated on a circuit board, makes wiring simpler, and cost is lower, conserve space, and main is to be convenient to maintenance and repair maintenance in the future etc.Five, for the different product of multiple performance parameter, can set different standards to programming device PLC by touch screen human-computer interface, highly versatile, dirigibility is high.Six, this cover system relates to machinery, electronics, industry control, and integrated comprehensive Design can be used as the standard example of industry automatic controller for water pump Performance Detection.
Claims (1)
1.PLC and touch-screen type water pump controller test macro, it is characterized in that: comprise storage tank (1), the first magnetic valve (2), monophase machine water pump (3), automatic controller for water pump (4), pressure sensor (5), the second magnetic valve (6), electronics Step electric machine valve (7), flow sensor (8), control system (9), the first pipeline (10) and second pipe (11), the water inlet conduit (12) of described monophase machine water pump (3) slips in storage tank (1), and at upper the first magnetic valve (2) of installing of water inlet conduit (12), the delivery port pipeline of monophase machine water pump (3) is installed automatic controller for water pump (4), setting pressure sensor (5) successively on second pipe (11) after automatic controller for water pump (4), electronics Step electric machine valve (7) and flow sensor (8), upper the second magnetic valve (6) of installing of the first pipeline (10) after automatic controller for water pump (4), the opening of the first pipeline (10) and second pipe (11) is on storage tank (1), described control system (9) is by PLC main frame, touch screen human-computer interface, control circuit, PLC trapezoid figure program and touch screen human-computer interface program form, described control circuit is by rectification power circuit, step motor valve gate drive circuit, flow sensor data signal amplifying circuit, PLC signal input circuit and control output circuit form, rectification power circuit input connection 220V AC power, rectification power circuit output connection step motor valve gate drive circuit, control circuit is on a circuit board, rectification power circuit and the step motor valve gate drive circuit of described control system access the input of 5W12V transformer (T1) by civil power AC220V, the AC input of the output access rectifier bridge stack (DB1) of transformer (T1), the positive pole of the DC output of rectifier bridge stack (DB1) connects one end of the first resistance (R1), the positive pole of another termination first light emitting diode (DS1) of the first resistance (R1), the negative pole of the first light emitting diode (DS1) connects the negative pole of the DC output of rectifier bridge stack (DB1), DC power supply status after the first light emitting diode (DS1) real time reaction rectification, the both positive and negative polarity that the both positive and negative polarity of the first electrochemical capacitor (C1) connects respectively rectification power circuit carries out filtering, filtered DC positive source accesses the input of the first three-terminal voltage-stabilizing pipe (VR1), GND and the DC power cathode of the first three-terminal voltage-stabilizing pipe (VR1) is connected, the second resistance (R2) one end and the 3rd resistance (R3) one end and the 4th resistance (R4) one end and the positive pole that is connected DC12V after the 5th resistance (R5) shorted on one end again, the 4th pin of another termination the 8th integrated package (U8) ULN2003A of the second resistance (R2), the 3rd pin of another termination the 8th integrated package (U8) ULN2003A of the 3rd resistance (R3), the 2nd pin of another termination the 8th integrated package (U8) ULN2003A of the 4th resistance (R4), the 1st pin of another termination the 8th integrated package (U8) ULN2003A of the 5th resistance (R5),The 5th of 8th integrated package (U8) ULN2003A, 6th, 7th, after 8th pin short circuit, be connected with the negative pole of DC12V, the 9th pin of 8th integrated package (U8) ULN2003A is connected with the positive pole of DC12V, the 16th pin of 8th integrated package (U8) ULN2003A is connected with the green line of electronics Step electric machine valve, the 15th pin of 8th integrated package (U8) ULN2003A is connected with the orange line of electronics Step electric machine valve, the 14th pin of 8th integrated package (U8) ULN2003A is connected with the yellow line of electronics Step electric machine valve, the 13rd pin of 8th integrated package (U8) ULN2003A is connected with the white wire of electronics Step electric machine valve, the redness of electronics Step electric machine valve, after brown line short circuit, be connected with the positive pole of DC12V, the 1st pin of 8th integrated package (U8) ULN2003A is connected with the Y3 of the 3rd expansion module (U3) the DVP-16SP output of PLC again, the 2nd pin of 8th integrated package (U8) ULN2003A is connected with the Y2 of the 3rd expansion module (U3) the DVP-16SP output of PLC again, the 3rd pin of 8th integrated package (U8) ULN2003A is connected with the Y1 of the 3rd expansion module (U3) the DVP-16SP output of PLC again, the 4th pin of 8th integrated package (U8) ULN2003A is connected with the Y0 of the 3rd expansion module (U3) the DVP-16SP output of PLC again, the public C0 end of the 3rd expansion module (U3) the DVP-16SP output of PLC is connected with the negative pole of DC12V, in the flow sensor data signal amplifying circuit of described control system, the 8th pin of the second integrated package (IC2) LM358P and the output 24V of switch power module (U1) DVP-PS02 are anodal is connected, 4th pin is connected with the output 24V negative pole of switch power module (U1) DVP-PS02, 6th resistance (R6) one end is connected with the 2nd pin of the second integrated package (IC2) LM358P with after the 9th resistance (R9) shorted on one end again, the other end of the 6th resistance (R6) is connected with DC24V negative pole, the other end of the 9th resistance (R9) is connected with DC24V is anodal, one end of 7th resistance (R7) is connected with the 1st pin of the second integrated package (IC2) LM358P with after the 8th resistance (R8) shorted on one end again, the other end of the 7th resistance (R7) is connected with DC24V negative pole, the other end of the 8th resistance (R8) is connected with DC24V is anodal, tenth resistance (R10) one end is connected with the 3rd pin of flow sensor square-wave signal output and the second integrated package (IC2) LM358P, the other end is connected with DC24V is anodal, again the 1st pin of the second integrated package (IC2) LM358P is connected with main frame (U2) the DVP-14SS input X0 of PLC, the power positive cathode of flow sensor is connected with the output 24V both positive and negative polarity of switch power module (U1) DVP-PS02 respectively,The input of civil power AC220V access switch power module (U1) DVP-PS02 in the main control circuit of described control system, output DC24V respectively with main frame (U2) DVP-14SS of PLC, analog-to-digital conversion module (U4) DVP-04AD of PLC is connected with the working power end of touch screen human-computer interface (U5), the 3rd expansion module (U3) DVP-16SP of main frame (U2) DVP-14SS and the PLC of PLC, analog-to-digital conversion module (U4) DVP-04AD of PLC is by the Parallel port connecting communication carrying, main frame (U2) DVP-14SS and the touch screen human-computer interface (U5) of PLC are carried out connecting communication by the serial asynchronous communication RS232 carrying, main frame (U2) the DVP-14SS input S/S of PLC connects DC24V positive pole, output C0, C1, C2 all connects DC24V negative pole, pressure sensor working power both positive and negative polarity is connected with DC24V both positive and negative polarity respectively, current mode analog signals is connected with the I+ end of analog-to-digital conversion module (U4) DVP-04AD of PLC, I+ and the V+ short circuit of analog-to-digital conversion module (U4) DVP-04AD of PLC, the COM end of analog-to-digital conversion module (U4) DVP-04AD of PLC is connected with DC24V negative pole, 6th indicator lamp (LED6) is also connected on civil power AC220V, the main power source state of reflection native system in real time, after the anodal short circuit of working power of the first cooling fan (M1) and the second cooling fan (M2) and the first indicator lamp (LED1), be connected with DC24V is anodal, after negative pole short circuit, be connected with normally opened contact one end of rotary switch (S1), the normally opened contact other end of rotary switch (S1) is connected with DC24V negative pole, open type SR (S2) one end is connected with the input X2 of main frame (U2) DVP-14SS of PLC, the other end is connected with DC24V negative pole, 3rd open type SR (S3) one end is connected with the input X3 of main frame (U2) DVP-14SS of PLC, the other end is connected with DC24V negative pole, 4th open type SR (S4) one end is connected with the input X4 of main frame (U2) DVP-14SS of PLC, the other end is connected with DC24V negative pole, one end, 5 constant virtues open form SR (S5) is connected with the input X5 of main frame (U2) DVP-14SS of PLC, the other end is connected with DC24V negative pole, 6th open type rotary knob (S6) one end is connected with the input X6 of main frame (U2) DVP-14SS of PLC, the other end is connected with DC24V negative pole, 7th open type SR (S7) one end is connected with the input X7 of main frame (U2) DVP-14SS of PLC, the other end is connected with DC24V negative pole, the output Y0 of main frame (U2) DVP-14SS of one termination PLC of the first relay (K1) coil, another termination DC24V positive pole, normally opened contact one termination DC24V negative pole,One end of the automatic test passes indicator lamp of another termination (LED2), automatically another termination DC24V positive pole of test passes indicator lamp (LED2); The output Y4 of main frame (U2) DVP-14SS of one termination PLC of the second relay (K2) coil, another termination DC24V positive pole, normally opened contact one termination DC24V negative pole, one end of the automatic test crash indicator lamp of another termination (LED3), automatically another termination DC24V positive pole of test crash indicator lamp (LED3); The output Y1 of main frame (U2) DVP-14SS of one termination PLC of the 3rd relay (K3) coil, another termination DC24V positive pole, normally opened contact one termination DC24V negative pole, one end of another termination bi-bit bi-pass normal-open electromagnetic valve (DS1) coil, another termination DC24V positive pole of bi-bit bi-pass normal-open electromagnetic valve (DS1) coil; The output Y2 of main frame (U2) DVP-14SS of one termination PLC of the 4th relay (K4) coil, another termination DC24V positive pole, normally opened contact one termination DC24V negative pole, one end of another termination bi-bit bi-pass normal-closed electromagnetic valve (DS2) coil, another termination DC24V positive pole of bi-bit bi-pass normal-closed electromagnetic valve (DS2) coil; The coil drive end of output termination the 5th relay (K5) of automatic controller for water pump, the normally opened contact one termination DC24V negative pole of the 5th relay (K5), the input X1 of main frame (U2) DVP-14SS of another termination PLC; The output Y5 of main frame (U2) DVP-14SS of one termination PLC of the 6th relay (K6) coil, another termination DC24V positive pole, the L1 end of normally opened contact one termination civil power AC220V, input one end of other end water pump automatic controller, the N end of another termination civil power of the input of automatic controller for water pump AC220; The output Y3 of main frame (U2) DVP-14SS of one termination PLC of the 11 relay (K11) coil, another termination DC24V positive pole, the public termination DC24V negative pole in contact, one end of normally opened contact termination the 7th relay (K7) coil drive and one end of the tenth relay (K10) coil drive, normally-closed contact connects one end of the 8th relay (K8) coil drive and one end of the 9th relay (K9) coil drive; The other end of the 7th relay (K7), the 8th relay (K8), the 9th relay (K9), the tenth relay (K10) coil drive all connects DC24V positive pole, the N end of 7th relay (K7) normally opened contact one termination AC220V, another termination test water pump drive end PL1; The U end of the 8th relay (K8) normally opened contact one end water pump automatic controller output, another termination test water pump drive end PL1; The V end of the 9th relay (K9) normally opened contact one end water pump automatic controller output, another termination test water pump drive end PN; The JK2 end of the tenth relay (K10) normally opened contact one end water pump automatic controller input, another termination test water pump drive end PN;4th indicator lamp (LED4) is also connected in test water pump drive end PL1 and PN above, in real time reflection test water pump work state; 5th indicator lamp (LED5) is also connected in automatic controller for water pump power input JK2 and N above, reflects this automatic controller for water pump "on" position in real time.
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| CN105487527A (en) * | 2016-01-11 | 2016-04-13 | 温州大学 | Water pump integrated measurement and control platform |
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| CN105487527A (en) * | 2016-01-11 | 2016-04-13 | 温州大学 | Water pump integrated measurement and control platform |
| CN105676835A (en) * | 2016-01-11 | 2016-06-15 | 温州大学 | Water pump and pump controller integrated measurement and control system |
| CN105487527B (en) * | 2016-01-11 | 2017-12-08 | 爱科赛智能科技（台州）有限公司 | A kind of water pump integrates monitoring platform |
| CN105676835B (en) * | 2016-01-11 | 2018-01-05 | 爱科赛智能科技（台州）有限公司 | A kind of water pump and pump controller integrated surveying system |
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Address after: 317525 Taizhou, Zhejiang Wenling City, Ocean City Town Industrial Zone, 500 North Road Patentee after: Zhejiang God energy Polytron Technologies Inc Address before: 317525 Ocean City Industrial Zone, Dashi Town, Wenling City, Taizhou, Zhejiang Patentee before: Taizhou Shenneng Electric Co., Ltd. |