CN204926326U - Self -service carwash control system - Google Patents
Self -service carwash control system Download PDFInfo
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- CN204926326U CN204926326U CN201520663987.5U CN201520663987U CN204926326U CN 204926326 U CN204926326 U CN 204926326U CN 201520663987 U CN201520663987 U CN 201520663987U CN 204926326 U CN204926326 U CN 204926326U
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Abstract
The utility model discloses a self -service carwash control system belongs to self -cleaning equipment technical field. Prior art adopts single flow or time control, causes carwash time overlength easily or last the water in the carwash time quantum, causes the waste of water resource. The utility model discloses a minimum system module of singlechip and the unit price adjustment module, the ware module of inserting coins, solenoid valve module, flowmeter module, charactron display module and the power module that link to each other with the minimum system module of singlechip respectively, after the ware module pulse of inserting coins was received to the singlechip, singlechip internal timing ware beginning count -down, thus the singlechip obtains the water consumption through external interrupt recording impulse number, and the time -recorder timing stops or flowmeter module number of pulse reaches the setting value, and the single chip microcomputer control solenoid valve is closed, and the carwash finishes. The utility model discloses a dual control of time and water consumption, the waste of reducible carwash time to hinder the personnel that the line up time, but the water economy resource, green.
Description
Technical field
The utility model relates to a kind of self-service carwash control system, belongs to automatic cleaning equipment technical field.
Background technology
Along with China's expanding economy, by the end of the end of the year 2014, whole nation vehicle guaranteeding organic quantity reaches 2.7 hundred million, the recoverable amount of private car is 1.05 hundred million, the every one hundred houses family in the whole nation just has 25 private cars, the recoverable amount of huge private car, and less carwash shop makes carwash become a difficult thing, carwash price is not only partially expensive, and carwash will wait in line long time, tradition carwash also can cause the waste of water resource, and according to the statistics of relevant departments, the water resource slatterned because of carwash is every year 100,000,000 tons.
2011, Self-help car washer entered in embryo in China, and this to some extent solves the problem of carwash difficulty.The most single employing flow control of prior art, easily causes car-cleaning time long, delays back carwash person and uses, also have the single employing time controling of part Self-help car washer, this makes carwash person's lasting water in car-cleaning time section, cause the waste of water resource.
In addition, can not insert coins or swipe the card in carwash process, if carwash person feel car-cleaning time or the water yield inadequate time, must wait until this consumption terminate swipe the card again or insert coins; Existing Self-help car washer re-set price many employings software price modification, needs the manufacturer of Self-help car washer to assist; Existing car washer adopts supercharge pump to add the pressure of flood, and the pressure of city tap-water enough meets carwash requirement after tested, completely can remove supercharge pump to reduce costs.
Utility model content
The purpose of this utility model is to provide a kind of self-service carwash control system.This control system can shorten car-cleaning time, reduces water consumption in carwash process, easy to operate, with low cost, thus improves carwash efficiency, adds income.
For achieving the above object, the utility model adopts following technical proposals:
A kind of self-service carwash control system, comprise rack, the water inlet of rack is connected with water swivel by water inlet pipe, the water delivering orifice of rack is connected with hydraulic giant by rising pipe, the unit price adjusting module, coin-freed arrangement module, solenoid valve module, flow meter modules, numeral method module and the power module that also comprise single-chip minimum system module and be connected with single-chip minimum system module respectively; Described solenoid valve module is arranged in the water inlet pipe pipeline between rack water inlet and water swivel, the control end of solenoid valve module is connected with single-chip minimum system module, described flow meter modules is arranged in the rising pipe pipeline between rack water delivering orifice and hydraulic giant, the signal output part of flow meter modules is connected with single-chip minimum system module, described coin-freed arrangement module is arranged on the front cabinet of rack, and described numeral method module comprises two charactrons be arranged on the front cabinet of rack;
Car-cleaning time corresponding for one piece of coin and car-cleaning water are passed to single-chip minimum system module by unit price adjusting module, when each piece of coin drops into, coin-freed arrangement module produces a pulse, after single-chip minimum system module receives the pulse of coin-freed arrangement module, control timer and start timing, solenoid valve is opened, after hydraulic giant is opened, current promote turbine by flowmeter and produce corresponding pulses, water flow meter umber of pulse sends to single-chip minimum system module, when during timer, stopping or flow meter modules pulse reach and arrange umber of pulse, single-chip minimum system module Controlling solenoid valve is closed.
Described single-chip minimum system module comprises STC89C52 single-chip microcomputer, crystal oscillating circuit and reset circuit,
Crystal oscillating circuit comprises electric capacity C1, electric capacity C2 and quartz crystal; One end ground connection of electric capacity C1, the other end of electric capacity C1 is connected with one end of the 18th pin of STC89C52 single-chip microcomputer, quartz crystal, the other end of quartz crystal is connected with the 19th pin of one end of electric capacity C2, STC89C52 single-chip microcomputer, the other end ground connection of electric capacity C2, the 20th pin ground connection of STC89C52 single-chip microcomputer; 31st pin of STC89C52 single-chip microcomputer is connected with 5V DC voltage respectively with the 40th pin;
Electric capacity C1 and electric capacity C2 selects 22pF electric capacity respectively, and quartz crystal frequency selects 11MHZ;
Reset circuit comprises resistance R1, manual reset switch S1 and electric capacity C3, one end of manual reset switch S1, one end of electric capacity C3 external 5V voltage after being connected, the other end of electric capacity C3 is connected with the other end of one end of resistance R1, manual reset switch S1, the 9th pin of STC89C52 single-chip microcomputer, the other end ground connection of resistance R1;
Resistance R1 resistance selects 1K Ω, and electric capacity C3 size selects 100pF.
STC89C52 single-chip microcomputer is a kind of low-power consumption, high-performance CMOS 8 8-digit microcontroller of STC Corporation's production, there is following standard feature: 8k bytes Flash, 512 byte RAM, 32 I/O mouth lines, WatchDog Timer, built-in 4KBEEPROM, MAX810 reset circuit, 3 16 bit timing device/counters, 4 external interrupt, one 7 vector, 4 grades of interrupt structures (5 vectors, 2 grades of interrupt structures of compatible tradition 51), full duplex serial port.STC89C52 single-chip microcomputer can be down to the operation of 0Hz static logic in addition, supports that 2 kinds of software-selectable select energy-saving mode.Under idle pulley, CPU quits work, and permission RAM, timer/counter, serial ports, interruption work on.Under power down protection mode, RAM content is saved, and oscillator is frozen, and all work of single-chip microcomputer stop, and interrupt or hardware reset until next.
Described unit price adjusting module comprises two toggle switch S3, resistance R5 and resistance R6,3rd pin of two toggle switch S3 and the 4th pin ground connection respectively, 1st pin of two toggle switch S3 is connected with one end of the 14th pin P3.4 of STC89C52 single-chip microcomputer, resistance R5, external 5V voltage after the other end of resistance R5 is connected with one end of resistance R6, the 2nd pin of two toggle switch S3 is connected with the other end of the 11st pin P3.1 of STC89C52 single-chip microcomputer, resistance R6;
The resistance of resistance R5 and resistance R6 selects 1K Ω respectively.
When 1 position of two toggle switch S3 closes, the state that P3.4 detects is 0, and when toggle switch position 1 disconnects, the state that P3.4 detects is 1; When toggle switch 2 position closes, the state that P3.1 detects is 0, and when toggle switch position 2 disconnects, the state that P3.0 detects is 1; By detecting that the combination of state represents different unit prices.
Coin-freed arrangement module is primarily of port all 007 coin-freed arrangements, first light is every PC817, resistance R8, resistance R9 and resistance R10 forms, the GND pin ground connection of port all 007 coin-freed arrangement, the DC pin of port all 007 coin-freed arrangement connects 12V DC voltage, port is the COIN pin of 007 coin-freed arrangement and one end of resistance R8 all, one end of resistance R9 is connected respectively, the other end of resistance R8 is connected with the first input end of the first light every PC817, the external 12V voltage of the other end of resistance R9, first light is every second input end grounding of PC817, first output terminal of the first light every PC817 and one end of resistance R10, 12nd pin of STC89C52 single-chip microcomputer is connected, first light is every second output head grounding of PC817, another termination 5V voltage of R10,
The resistance of resistance R8, resistance R9 and resistance R10 selects 1K Ω respectively.
Port all 007 coin-freed arrangement by 12V DC-voltage supply, output signal is high level 12V pulse, STC89C52 single-chip microcomputer supply voltage is 5V, so the pulse signal that will be 12V high level changes every PC817 the pulse that high level is 5V through the first light into, use all 007 coin-freed arrangement and the pulses that come of the external interrupt Function detection port of the P3.2 of STC89C52 single-chip microcomputer, the number of record coin, the first light plays the effect of isolation signals every PC817, prevents from burning out STC89C52 single-chip microcomputer.
Port all 007 coin-freed arrangement adopts normally closed working method, the coin-in signal time is divided into soon, in, slow three kinds, precision switch is divided into third gear, precisely, normally three kinds, are relaxed, when by when moving back coin phenomenon, can select to relax, this coin-freed arrangement has the function identifying counterfeit money and anti-fishing.
Described solenoid valve module comprises solenoid valve, second light is every PC817, triode Q1, diode D1, single-pole double-throw relay K1, resistance R2, resistance R3 and resistance R4, the external 5V voltage in one end of resistance R2, the other end of resistance R2 is connected with the first input end of the second light every PC817, second light is connected with the 17th pin P3.7 of STC89C52 single-chip microcomputer every second input end of PC817, first output terminal of the second light every PC817 and one end of resistance R3, one end of resistance R4 is connected, the other end of resistance R3 and the negative electrode of diode D1, external 12V voltage after the first input end of single-pole double-throw relay K1 is connected, the other end ground connection of resistance R4, second light is connected with the base stage of triode Q1 every second output terminal of PC817, the collector of triode Q1 and the anode of diode D1, second input end of single-pole double-throw relay K1 is connected, second light is ground connection after second output terminal of PC817 is connected with 2 ends of solenoid valve, the output terminal of single-pole double-throw relay K1 is connected with the control end of solenoid valve,
Resistance R2 resistance selects 1K Ω, and resistance R3, resistance R4 resistance select 10K Ω, and triode Q1 selects C8050.
STC89C52 single-chip microcomputer output voltage is 5V, the driving voltage of single-pole double-throw relay K1 is 12V, so 5V voltage will be changed into 12V through the second light every PC817, STC89C52 Micro Controller Unit (MCU) driving ability is inadequate, and voltage amplifies through triode Q1, drives electromagnetic valve work through single-pole double-throw relay K1, when P3.7 sets to 0, single-pole double-throw relay K1 coil electricity, switch adhesive, solenoid valve is opened; When P3.7 puts 1, single-pole double-throw relay K1 coil is not charged, and switch disconnects, closed electromagnetic valve.
Described flow meter modules comprises flowmeter and resistance R7, the external 5V voltage of VCC pin of flowmeter, the COIN pin of flowmeter is connected with one end of resistance R7, the GND pin ground connection of flowmeter, and the other end of resistance R7 is connected with the 13rd pin P3.3 of STC89C52 single-chip microcomputer;
Described resistance R7 resistance selects 1K Ω;
Flowmeter uses 5V power voltage supply, and pulse signal, through resistance R7, is connected with the P3.3 mouth of STC89C52 single-chip microcomputer, and P3.3 uses external interrupt function, detects the pulse signal come from flowmeter, the flow of record water.
Described numeral method module comprises four seven sections of common cathode charactrons and Nixie tube drive circuit, wherein, four common cathode charactrons comprise the first charactron and the second charactron, Nixie tube drive circuit comprises three 74HC573 chips, is respectively 74HC573-1 chip, 74HC573-2 chip and 74HC573-3 chip;
First charactron and the position of the second charactron select signal 100-107 pin to be connected with the Q0-Q7 pin of 74HC573-1 chip respectively, the section of the first charactron selects signal 200-207 pin to be connected with the Q0-Q7 pin of 74HC573-2 chip respectively, and the section of the second charactron selects signal end 300-307 pin to be connected with the Q0-Q7 pin of 74HC573-3 chip respectively;
1st pin of 74HC573-1 chip and chip selection signal ground connection, 2 to the 9 pin is connected with P1.0 to the P1.7 pin inverted order of STC89C52 single-chip microcomputer, that is: the 2nd pin of 74HC573-1 chip is connected with the P1.7 pin of STC89C52 single-chip microcomputer, 3rd pin of 74HC573-1 chip is connected with the P1.6 pin of STC89C52 single-chip microcomputer, 4th pin of 74HC573-1 chip is connected with the P1.5 pin of STC89C52 single-chip microcomputer, 5th pin of 74HC573-1 chip is connected with the P1.4 pin of STC89C52 single-chip microcomputer, 6th pin of 74HC573-1 chip is connected with the P1.3 pin of STC89C52 single-chip microcomputer, 7th pin of 74HC573-1 chip is connected with the P1.2 pin of STC89C52 single-chip microcomputer, 8th pin of 74HC573-1 chip is connected with the P1.1 pin of STC89C52 single-chip microcomputer, 9th pin of 74HC573-1 chip is connected with the P1.0 pin of STC89C52 single-chip microcomputer, 10th pin ground connection of 74HC573-1 chip, LE pin is connected with the 16th pin P3.6 of STC89C52 single-chip microcomputer, one end of 20th pin and manual reset switch S1, external 5V voltage after one end of electric capacity C3 is connected,
1st pin ground connection of 74HC573-2 chip, 2 to the 9 pin of 74HC573-2 chip is corresponding with the 2 to the 9 pin of exclusion U1 to be connected, 2 to the 9 pin of exclusion U1 is connected to P0.7 pin is corresponding with the P0.0 pin of STC89C52 single-chip microcomputer, the inner open-drain of single-chip microcomputer p0 mouth, so P0 must connect pull-up resistor, external 5V voltage after the VCC pin of exclusion U1 is connected with the 40th pin of STC89C52 single-chip microcomputer; 10th pin ground connection of 74HC573-2 chip, the 10th pin P3.0 of the external STC89C52 single-chip microcomputer of the 11st pin, the external 5V voltage of the 20th pin;
1st pin ground connection of 74HC573-3 chip, 2nd pin is connected to P2.7 pin inverted order to the 9th pin with the P2.0 pin of single-chip microcomputer, that is: the 2nd pin of 74HC573-3 chip is connected with the P2.7 pin of STC89C52 single-chip microcomputer, 3rd pin of 74HC573-3 chip is connected with the P2.6 pin of STC89C52 single-chip microcomputer, 4th pin of 74HC573-3 chip is connected with the P2.5 pin of STC89C52 single-chip microcomputer, 5th pin of 74HC573-3 chip is connected with the P2.4 pin of STC89C52 single-chip microcomputer, 6th pin of 74HC573-3 chip is connected with the P2.3 pin of STC89C52 single-chip microcomputer, 7th pin of 74HC573-3 chip is connected with the P2.2 pin of STC89C52 single-chip microcomputer, 8th pin of 74HC573-3 chip is connected with the P2.1 pin of STC89C52 single-chip microcomputer, 9th pin of 74HC573-3 chip is connected with the P2.0 pin of STC89C52 single-chip microcomputer, 10th pin ground connection of 74HC573-3 chip, 11st pin is connected with the P3.5 pin of STC89C52 single-chip microcomputer, the external 5V voltage of 20th pin.
Described power module comprises alterating and direct current conversion adapter, 1A fuse F1, 7805 chips, light emitting diode D2 and resistance R11, alterating and direct current conversion adapter changes 220V alternating current into 12V direct current, output terminal is connected with the input end of 7805 chips, be 5V direct current by 12V voltage transition, the earth terminal GND of 7805 chips is connected rear ground connection with the anode of light emitting diode D2, the output terminal of 7805 chips is connected with one end of 1A fuse F1, the other end of 1A fuse F1 is connected with one end of resistance R11, the other end of resistance R11 is connected with the negative electrode of light emitting diode D2, through 1A fuse F1 when electric current exports, when electric current is more than 1A, 1A fuse F1 fuses, and play the effect of protection circuit, when fuse F1 does not fuse, pilot lamp is bright, and when fuse F1 fuses, pilot lamp goes out.
A kind of using method of self-service carwash control system, before coming into operation, owner manually stirs toggle switch and sets car-cleaning time corresponding to coin and corresponding car-cleaning water, car-cleaning time corresponding for one piece of coin and car-cleaning water are passed to single-chip minimum system module by unit price adjusting module, when carwash person carrys out carwash, insert coin, coin-freed arrangement module produces a pulse, when throwing first, self-service vehicle washing system is activated, after single-chip minimum system module receives the pulse of coin-freed arrangement module, control timer and start timing, solenoid valve is opened, carwash person opens hydraulic giant just can carwash, single-chip microcomputer is responsible for recording car-cleaning time, timer internal starts countdown, flowmeter is responsible for recording car-cleaning water, current pass through flowmeter, promote the turbine rotation of flowmeter inside, produce pulse, single-chip microcomputer is by external interrupt recording impulse number thus obtain water consumption, numeral method module display carwash excess time and surplus water, if in carwash person carwash process feel carwash excess time and surplus water inadequate time, can directly again insert coin, cumulative on the basis of excess time and surplus water, when any value of excess time and surplus water reduce to be 0 time, single-chip microcomputer produces an interruption, namely during timer, stopping or flow meter modules umber of pulse reach setting value, single-chip minimum system module Controlling solenoid valve is closed, carwash terminates, system enters low-power consumption mode again, wait for the use of next carwash person.
The beneficial effects of the utility model are,
1, the utility model adopts the two ore control of time and water consumption, can reduce the waste of car-cleaning time, in order to avoid delay queuing personnel time, and can saving water resource.
2, the utility model is for reducing equipment size, does not arrange water tank, giant connecting tap, city tap-water pressure can meet carwash demand completely, without the need to increasing force (forcing) pump, with low cost, structure is simple, is applicable to the spread in refuelling station, community, parking lot etc.
3, the utility model unit price adjusting module arranges two toggle switchs, manually manipulates, and single-chip microcomputer reads different toggle switch combination, thus adjusts carwash unit price, and avoiding adjusting unit price needs to contact the trouble that manufacturer carries out software adjustment.
4, the utility model numeral method module is by arranging two panels charactron, and a slice is used for display carwash excess time, and a slice is used for display carwash residual flow, and simple, intuitive, person easy to use inserts coins in time according to the carwash situation of oneself, avoids carwash to interrupt.
Accompanying drawing explanation
Fig. 1 is integrated connection block diagram of the present utility model;
Fig. 2 is the utility model singlechip minimum system circuit figure;
Fig. 3 is unit price adjusting module circuit diagram;
Fig. 4 is coin-freed arrangement module circuit diagram;
Fig. 5 is solenoid valve module circuit diagram;
Fig. 6 is flow meter modules circuit diagram;
Fig. 7 is the first charactron wired circuit figure;
Fig. 8 is the second charactron wired circuit figure;
Fig. 9 is that charactron drives 74HC573-1 chip wired circuit figure;
Figure 10 is that charactron drives 74HC573-2 chip wired circuit figure;
Figure 11 is that charactron drives 74HC573-3 chip wired circuit figure;
Figure 12 is power module circuitry figure.
Embodiment
As shown in Figure 1, a kind of self-service carwash control system, comprise rack, the water inlet of rack is connected with water swivel by water inlet pipe, the water delivering orifice of rack is connected with hydraulic giant by rising pipe, the unit price adjusting module, coin-freed arrangement module, solenoid valve module, flow meter modules, numeral method module and the power module that also comprise single-chip minimum system module and be connected with single-chip minimum system module respectively; Described solenoid valve module is arranged in the water inlet pipe pipeline between rack water inlet and water swivel, the control end of solenoid valve module is connected with single-chip minimum system module, described flow meter modules is arranged in the rising pipe pipeline between rack water delivering orifice and hydraulic giant, the signal output part of flow meter modules is connected with single-chip minimum system module, described coin-freed arrangement module is arranged on the front cabinet of rack, and described numeral method module comprises two charactrons be arranged on the front cabinet of rack;
Car-cleaning time corresponding for one piece of coin and car-cleaning water are passed to single-chip minimum system module by unit price adjusting module, when each piece of coin drops into, coin-freed arrangement module produces a pulse, after single-chip minimum system module receives the pulse of coin-freed arrangement module, control timer and start timing, solenoid valve is opened, after hydraulic giant is opened, current promote turbine by flowmeter and produce corresponding pulses, water flow meter umber of pulse sends to single-chip minimum system module, when during timer, stopping or flow meter modules pulse reach and arrange umber of pulse, single-chip minimum system module Controlling solenoid valve is closed.
As shown in Figure 2, described single-chip minimum system module comprises STC89C52 single-chip microcomputer, crystal oscillating circuit and reset circuit,
Crystal oscillating circuit comprises electric capacity C1, electric capacity C2 and quartz crystal; One end ground connection of electric capacity C1, the other end of electric capacity C1 is connected with one end of the 18th pin of STC89C52 single-chip microcomputer, quartz crystal, the other end of quartz crystal is connected with the 19th pin of one end of electric capacity C2, STC89C52 single-chip microcomputer, the other end ground connection of electric capacity C2, the 20th pin ground connection of STC89C52 single-chip microcomputer; 31st pin of STC89C52 single-chip microcomputer is connected with 5V DC voltage respectively with the 40th pin;
Electric capacity C1 and electric capacity C2 selects 22pF electric capacity respectively, and quartz crystal frequency selects 11MHZ;
Reset circuit comprises resistance R1, manual reset switch S1 and electric capacity C3, one end of manual reset switch S1, one end of electric capacity C3 external 5V voltage after being connected, the other end of electric capacity C3 is connected with the other end of one end of resistance R1, manual reset switch S1, the 9th pin of STC89C52 single-chip microcomputer, the other end ground connection of resistance R1;
Resistance R1 resistance selects 1K Ω, and electric capacity C3 size selects 100pF.
STC89C52 single-chip microcomputer is a kind of low-power consumption, high-performance CMOS 8 8-digit microcontroller of STC Corporation's production, there is following standard feature: 8k bytes Flash, 512 byte RAM, 32 I/O mouth lines, WatchDog Timer, built-in 4KBEEPROM, MAX810 reset circuit, 3 16 bit timing device/counters, 4 external interrupt, one 7 vector, 4 grades of interrupt structures (5 vectors, 2 grades of interrupt structures of compatible tradition 51), full duplex serial port.STC89C52 single-chip microcomputer can be down to the operation of 0Hz static logic in addition, supports that 2 kinds of software-selectable select energy-saving mode.Under idle pulley, CPU quits work, and permission RAM, timer/counter, serial ports, interruption work on.Under power down protection mode, RAM content is saved, and oscillator is frozen, and all work of single-chip microcomputer stop, and interrupt or hardware reset until next.
As shown in Figure 3, described unit price adjusting module comprises two toggle switch S3, resistance R5 and resistance R6,3rd pin of two toggle switch S3 and the 4th pin ground connection respectively, 1st pin of two toggle switch S3 is connected with one end of the 14th pin P3.4 of STC89C52 single-chip microcomputer, resistance R5, external 5V voltage after the other end of resistance R5 is connected with one end of resistance R6, the 2nd pin of two toggle switch S3 is connected with the other end of the 11st pin P3.1 of STC89C52 single-chip microcomputer, resistance R6;
The resistance of resistance R5 and resistance R6 selects 1K Ω respectively.
When 1 position of two toggle switch S3 closes, the state that P3.4 detects is 0, and when toggle switch position 1 disconnects, the state that P3.4 detects is 1; When toggle switch 2 position closes, the state that P3.1 detects is 0, and when toggle switch position 2 disconnects, the state that P3.0 detects is 1; By detecting that the combination of state represents different unit prices.
As shown in Figure 4, coin-freed arrangement module is primarily of port all 007 coin-freed arrangements, first light is every PC817, resistance R8, resistance R9 and resistance R10 forms, the GND pin ground connection of port all 007 coin-freed arrangement, the DC pin of port all 007 coin-freed arrangement connects 12V DC voltage, port is the COIN pin of 007 coin-freed arrangement and one end of resistance R8 all, one end of resistance R9 is connected respectively, the other end of resistance R8 is connected with the first input end of the first light every PC817, the external 12V voltage of the other end of resistance R9, first light is every second input end grounding of PC817, first output terminal of the first light every PC817 and one end of resistance R10, 12nd pin of STC89C52 single-chip microcomputer is connected, first light is every second output head grounding of PC817, another termination 5V voltage of R10,
The resistance of resistance R8, resistance R9 and resistance R10 selects 1K Ω respectively.
Port all 007 coin-freed arrangement by 12V DC-voltage supply, output signal is high level 12V pulse, STC89C52 single-chip microcomputer supply voltage is 5V, so the pulse signal that will be 12V high level changes every PC817 the pulse that high level is 5V through the first light into, use all 007 coin-freed arrangement and the pulses that come of the external interrupt Function detection port of the P3.2 of STC89C52 single-chip microcomputer, the number of record coin, the first light plays the effect of isolation signals every PC817, prevents from burning out STC89C52 single-chip microcomputer.
Port all 007 coin-freed arrangement adopts normally closed working method, the coin-in signal time is divided into soon, in, slow three kinds, precision switch is divided into third gear, precisely, normally three kinds, are relaxed, when by when moving back coin phenomenon, can select to relax, this coin-freed arrangement has the function identifying counterfeit money and anti-fishing.
As shown in Figure 5, described solenoid valve module comprises solenoid valve, second light is every PC817, triode Q1, diode D1, single-pole double-throw relay K1, resistance R2, resistance R3 and resistance R4, the external 5V voltage in one end of resistance R2, the other end of resistance R2 is connected with the first input end of the second light every PC817, second light is connected with the 17th pin P3.7 of STC89C52 single-chip microcomputer every second input end of PC817, first output terminal of the second light every PC817 and one end of resistance R3, one end of resistance R4 is connected, the other end of resistance R3 and the negative electrode of diode D1, external 12V voltage after the first input end of single-pole double-throw relay K1 is connected, the other end ground connection of resistance R4, second light is connected with the base stage of triode Q1 every second output terminal of PC817, the collector of triode Q1 and the anode of diode D1, second input end of single-pole double-throw relay K1 is connected, second light is ground connection after second output terminal of PC817 is connected with 2 ends of solenoid valve, the output terminal of single-pole double-throw relay K1 is connected with the control end of solenoid valve,
Resistance R2 resistance selects 1K Ω, and resistance R3, resistance R4 resistance select 10K Ω, and triode Q1 selects C8050.
STC89C52 single-chip microcomputer output voltage is 5V, the driving voltage of single-pole double-throw relay K1 is 12V, so 5V voltage will be changed into 12V through the second light every PC817, STC89C52 Micro Controller Unit (MCU) driving ability is inadequate, and voltage amplifies through triode Q1, drives electromagnetic valve work through single-pole double-throw relay K1, when P3.7 sets to 0, single-pole double-throw relay K1 coil electricity, switch adhesive, solenoid valve is opened; When P3.7 puts 1, single-pole double-throw relay K1 coil is not charged, and switch disconnects, closed electromagnetic valve.
As shown in Figure 6, described flow meter modules comprises flowmeter and resistance R7, the external 5V voltage of VCC pin of flowmeter, and the COIN pin of flowmeter is connected with one end of resistance R7, the GND pin ground connection of flowmeter, the other end of resistance R7 is connected with the 13rd pin P3.3 of STC89C52 single-chip microcomputer;
Described resistance R7 resistance selects 1K Ω;
Flowmeter uses 5V power voltage supply, and pulse signal, through resistance R7, is connected with the P3.3 mouth of STC89C52 single-chip microcomputer, and P3.3 uses external interrupt function, detects the pulse signal come from flowmeter, the flow of record water.
If Fig. 7 is to as shown in figure 11, described numeral method module comprises four seven sections of common cathode charactrons and Nixie tube drive circuit, wherein, four common cathode charactrons comprise the first charactron and the second charactron, Nixie tube drive circuit adopts three 74HC573 chips, is respectively 74HC573-1 chip, 74HC573-2 chip and 74HC573-3 chip;
First charactron and the position of the second charactron select signal 100-107 pin to be connected with the Q0-Q7 pin of 74HC573-1 chip respectively, the section of the first charactron selects signal 200-207 pin to be connected with the Q0-Q7 pin of 74HC573-2 chip respectively, and the section of the second charactron selects signal end 300-307 pin to be connected with the Q0-Q7 pin of 74HC573-3 chip respectively;
1st pin of 74HC573-1 chip and chip selection signal ground connection, 2 to the 9 pin is connected with P1.0 to the P1.7 pin inverted order of STC89C52 single-chip microcomputer, that is: the 2nd pin of 74HC573-1 chip is connected with the P1.7 pin of STC89C52 single-chip microcomputer, 3rd pin of 74HC573-1 chip is connected with the P1.6 pin of STC89C52 single-chip microcomputer, 4th pin of 74HC573-1 chip is connected with the P1.5 pin of STC89C52 single-chip microcomputer, 5th pin of 74HC573-1 chip is connected with the P1.4 pin of STC89C52 single-chip microcomputer, 6th pin of 74HC573-1 chip is connected with the P1.3 pin of STC89C52 single-chip microcomputer, 7th pin of 74HC573-1 chip is connected with the P1.2 pin of STC89C52 single-chip microcomputer, 8th pin of 74HC573-1 chip is connected with the P1.1 pin of STC89C52 single-chip microcomputer, 9th pin of 74HC573-1 chip is connected with the P1.0 pin of STC89C52 single-chip microcomputer, 10th pin ground connection of 74HC573-1 chip, LE pin is connected with the 16th pin P3.6 of STC89C52 single-chip microcomputer, one end of 20th pin and manual reset switch S1, external 5V voltage after one end of electric capacity C3 is connected,
1st pin ground connection of 74HC573-2 chip, 2 to the 9 pin of 74HC573-2 chip is corresponding with the 2 to the 9 pin of exclusion U1 to be connected, 2 to the 9 pin of exclusion U1 is connected to P0.7 pin is corresponding with the P0.0 pin of STC89C52 single-chip microcomputer, the inner open-drain of single-chip microcomputer p0 mouth, so P0 must connect pull-up resistor, external 5V voltage after the VCC pin of exclusion U1 is connected with the 40th pin of STC89C52 single-chip microcomputer; 10th pin ground connection of 74HC573-2 chip, the 10th pin P3.0 of the external STC89C52 single-chip microcomputer of the 11st pin, the external 5V voltage of the 20th pin of 74HC573-2 chip;
1st pin ground connection of 74HC573-3 chip, 2nd pin is connected to P2.7 pin inverted order to the 9th pin with the P2.0 pin of single-chip microcomputer, that is: the 2nd pin of 74HC573-3 chip is connected with the P2.7 pin of STC89C52 single-chip microcomputer, 3rd pin of 74HC573-3 chip is connected with the P2.6 pin of STC89C52 single-chip microcomputer, 4th pin of 74HC573-3 chip is connected with the P2.5 pin of STC89C52 single-chip microcomputer, 5th pin of 74HC573-3 chip is connected with the P2.4 pin of STC89C52 single-chip microcomputer, 6th pin of 74HC573-3 chip is connected with the P2.3 pin of STC89C52 single-chip microcomputer, 7th pin of 74HC573-3 chip is connected with the P2.2 pin of STC89C52 single-chip microcomputer, 8th pin of 74HC573-3 chip is connected with the P2.1 pin of STC89C52 single-chip microcomputer, 9th pin of 74HC573-3 chip is connected with the P2.0 pin of STC89C52 single-chip microcomputer, 10th pin ground connection of 74HC573-3 chip, 11st pin is connected with the P3.5 pin of STC89C52 single-chip microcomputer, the external 5V voltage of 20th pin.
As shown in figure 12, described power module comprises alterating and direct current conversion adapter, 1A fuse F1, 7805 chips, light emitting diode D2 and resistance R11, alterating and direct current conversion adapter changes 220V alternating current into 12V direct current, output terminal is connected with the input end of 7805 chips, be 5V direct current by 12V voltage transition, the earth terminal GND of 7805 chips is connected rear ground connection with the anode of light emitting diode D2, the output terminal of 7805 chips is connected with one end of 1A fuse F1, the other end of 1A fuse F1 is connected with one end of resistance R11, the other end of resistance R11 is connected with the negative electrode of light emitting diode D2, through 1A fuse F1 when electric current exports, when electric current is more than 1A, 1A fuse F1 fuses, and play the effect of protection circuit, when fuse F1 does not fuse, pilot lamp is bright, and when fuse F1 fuses, pilot lamp goes out.
A kind of using method of self-service carwash control system, before coming into operation, owner manually stirs toggle switch and sets car-cleaning time corresponding to coin and corresponding car-cleaning water, car-cleaning time corresponding for one piece of coin and car-cleaning water are passed to single-chip minimum system module by unit price adjusting module, when carwash person carrys out carwash, insert coin, coin-freed arrangement module produces a pulse, when throwing first, self-service vehicle washing system is activated, after single-chip minimum system module receives the pulse of coin-freed arrangement module, control timer and start timing, solenoid valve is opened, carwash person opens hydraulic giant just can carwash, single-chip microcomputer is responsible for recording car-cleaning time, timer internal starts countdown, flowmeter is responsible for recording car-cleaning water, current pass through flowmeter, promote the turbine rotation of flowmeter inside, produce pulse, single-chip microcomputer is by external interrupt recording impulse number thus obtain water consumption, numeral method module display carwash excess time and surplus water, if in carwash person carwash process feel carwash excess time and surplus water inadequate time, can directly again insert coin, cumulative on the basis of excess time and surplus water, when any value of excess time and surplus water reduce to be 0 time, single-chip microcomputer produces an interruption, namely during timer, stopping or flow meter modules umber of pulse reach setting value, single-chip minimum system module Controlling solenoid valve is closed, carwash terminates, system enters low-power consumption mode again, wait for the use of next carwash person.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (8)
1. a self-service carwash control system, comprise rack, the water inlet of rack is connected with water swivel by water inlet pipe, the water delivering orifice of rack is connected with hydraulic giant by rising pipe, it is characterized in that, the unit price adjusting module, coin-freed arrangement module, solenoid valve module, flow meter modules, numeral method module and the power module that also comprise single-chip minimum system module and be connected with single-chip minimum system module respectively; Described solenoid valve module is arranged in the water inlet pipe pipeline between rack water inlet and water swivel, the control end of solenoid valve module is connected with single-chip minimum system module, described flow meter modules is arranged in the rising pipe pipeline between rack water delivering orifice and hydraulic giant, the signal output part of flow meter modules is connected with single-chip minimum system module, described coin-freed arrangement module is arranged on the front cabinet of rack, and described numeral method module comprises two charactrons be arranged on the front cabinet of rack.
2. a kind of self-service carwash control system as claimed in claim 1, it is characterized in that, described single-chip minimum system module comprises STC89C52 single-chip microcomputer, crystal oscillating circuit and reset circuit;
Crystal oscillating circuit comprises electric capacity C1, electric capacity C2 and quartz crystal; One end ground connection of electric capacity C1, the other end of electric capacity C1 is connected with one end of the 18th pin of STC89C52, quartz crystal, the other end of quartz crystal is connected with the 19th pin of one end of electric capacity C2, STC89C52, the other end ground connection of electric capacity C2, the 20th pin ground connection of STC89C52 single-chip microcomputer; 31st pin of STC89C52 single-chip microcomputer is connected with 5V DC voltage respectively with the 40th pin;
Reset circuit comprises resistance R1, manual reset switch S1 and electric capacity C3; One end of manual reset switch S1, one end of electric capacity C3 external 5V voltage after being connected, the other end of electric capacity C3 is connected with the other end of one end of resistance R1, manual reset switch S1, the 9th pin of STC89C52 single-chip microcomputer, the other end ground connection of resistance R1.
3. a kind of self-service carwash control system as claimed in claim 1, it is characterized in that, described unit price adjusting module comprises two toggle switch S3, resistance R5 and resistance R6,3rd pin of two toggle switch S3 and the 4th pin ground connection respectively, 1st pin of two toggle switch S3 is connected with one end of the 14th pin P3.4 of STC89C52 single-chip microcomputer, resistance R5, external 5V voltage after the other end of resistance R5 is connected with one end of resistance R6, the 2nd pin of two toggle switch S3 is connected with the other end of the 11st pin P3.1 of STC89C52 single-chip microcomputer, resistance R6.
4. a kind of self-service carwash control system as claimed in claim 1, it is characterized in that, coin-freed arrangement module is primarily of port all 007 coin-freed arrangements, first light is every PC817, resistance R8, resistance R9 and resistance R10 forms, the GND pin ground connection of port all 007 coin-freed arrangement, the DC pin of port all 007 coin-freed arrangement connects 12V DC voltage, port is the COIN pin of 007 coin-freed arrangement and one end of resistance R8 all, one end of resistance R9 is connected respectively, the other end of resistance R8 is connected with the first input end of the first light every PC817, the other end of resistance R9 is connected with 12V voltage, first light is every second input end grounding of PC817, first output terminal of the first light every PC817 and one end of resistance R10, 12nd pin of STC89C52 single-chip microcomputer is connected, first light is every second output head grounding of PC817, the external 5V voltage of the other end of R10.
5. a kind of self-service carwash control system as claimed in claim 1, it is characterized in that, described solenoid valve module comprises solenoid valve, second light is every PC817, triode Q1, diode D1, single-pole double-throw relay K1, resistance R2, resistance R3 and resistance R4, the external 5V voltage in one end of resistance R2, the other end of resistance R2 is connected with the first input end of the second light every PC817, second light is connected with the 17th pin P3.7 of STC89C52 single-chip microcomputer every second input end of PC817, first output terminal of the second light every PC817 and one end of resistance R3, one end of resistance R4 is connected, the other end of resistance R3 and the negative electrode of diode D1, external 12V voltage after the first input end of single-pole double-throw relay K1 is connected, the other end ground connection of resistance R4, second light is connected with the base stage of triode Q1 every second output terminal of PC817, the collector of triode Q1 and the anode of diode D1, second input end of single-pole double-throw relay K1 is connected, second light is ground connection after second output terminal of PC817 is connected with 2 ends of solenoid valve, the output terminal of single-pole double-throw relay K1 is connected with the control end of solenoid valve.
6. a kind of self-service carwash control system as claimed in claim 1, it is characterized in that, described flow meter modules comprises flowmeter and resistance R7, the external 5V voltage of VCC pin of flowmeter, the COIN pin of flowmeter is connected with one end of resistance R7, the GND pin ground connection of flowmeter, the other end of resistance R7 is connected with the 13rd pin P3.3 of STC89C52 single-chip microcomputer.
7. a kind of self-service carwash control system as claimed in claim 1, it is characterized in that, described numeral method module comprises four seven sections of common cathode charactrons and Nixie tube drive circuit, wherein, four common cathode charactrons comprise the first charactron and the second charactron, Nixie tube drive circuit adopts three 74HC573 chips, is respectively 74HC573-1 chip, 74HC573-2 chip and 74HC573-3 chip;
First charactron and the position of the second charactron select signal 100-107 pin to be connected with the Q0-Q7 pin of 74HC573-1 chip respectively, the section of the first charactron selects signal 200-207 pin to be connected with the Q0-Q7 pin of 74HC573-2 chip respectively, and the section of the second charactron selects signal end 300-307 pin to be connected with the Q0-Q7 pin of 74HC573-3 chip respectively;
1st pin of 74HC573-1 chip and chip selection signal ground connection, 2 to the 9 pin of 74HC573-1 chip is connected with P1.0 to the P1.7 pin inverted order of STC89C52 single-chip microcomputer, that is: the 2nd pin of 74HC573-1 chip is connected with the P1.7 pin of STC89C52 single-chip microcomputer, 3rd pin of 74HC573-1 chip is connected with the P1.6 pin of STC89C52 single-chip microcomputer, 4th pin of 74HC573-1 chip is connected with the P1.5 pin of STC89C52 single-chip microcomputer, 5th pin of 74HC573-1 chip is connected with the P1.4 pin of STC89C52 single-chip microcomputer, 6th pin of 74HC573-1 chip is connected with the P1.3 pin of STC89C52 single-chip microcomputer, 7th pin of 74HC573-1 chip is connected with the P1.2 pin of STC89C52 single-chip microcomputer, 8th pin of 74HC573-1 chip is connected with the P1.1 pin of STC89C52 single-chip microcomputer, 9th pin of 74HC573-1 chip is connected with the P1.0 pin of STC89C52 single-chip microcomputer, 10th pin ground connection of 74HC573-1 chip, the LE pin of 74HC573-1 chip is connected with the 16th pin P3.6 of STC89C52 single-chip microcomputer, 20th pin of 74HC573-1 chip and one end of manual reset switch S1, external 5V voltage after one end of electric capacity C3 is connected,
1st pin ground connection of 74HC573-2 chip, 2 to the 9 pin of 74HC573-2 chip is corresponding with the 2 to the 9 pin of exclusion U1 to be connected, 2 to the 9 pin of exclusion U1 is connected to P0.7 pin is corresponding with the P0.0 pin of STC89C52 single-chip microcomputer, external 5V voltage after the VCC pin of exclusion U1 is connected with the 40th pin of STC89C52 single-chip microcomputer; 10th pin ground connection of 74HC573-2 chip, the 10th pin P3.0 of the external STC89C52 single-chip microcomputer of the 11st pin of 74HC573-2 chip, the external 5V voltage of the 20th pin of 74HC573-2 chip;
1st pin ground connection of 74HC573-3 chip, 2nd pin of 74HC573-3 chip is connected to P2.7 pin inverted order to the 9th pin with the P2.0 pin of single-chip microcomputer, that is: the 2nd pin of 74HC573-3 chip is connected with the P2.7 pin of STC89C52 single-chip microcomputer, 3rd pin of 74HC573-3 chip is connected with the P2.6 pin of STC89C52 single-chip microcomputer, 4th pin of 74HC573-3 chip is connected with the P2.5 pin of STC89C52 single-chip microcomputer, 5th pin of 74HC573-3 chip is connected with the P2.4 pin of STC89C52 single-chip microcomputer, 6th pin of 74HC573-3 chip is connected with the P2.3 pin of STC89C52 single-chip microcomputer, 7th pin of 74HC573-3 chip is connected with the P2.2 pin of STC89C52 single-chip microcomputer, 8th pin of 74HC573-3 chip is connected with the P2.1 pin of STC89C52 single-chip microcomputer, 9th pin of 74HC573-3 chip is connected with the P2.0 pin of STC89C52 single-chip microcomputer, 10th pin ground connection of 74HC573-3 chip, 11st pin of 74HC573-3 chip is connected with the P3.5 pin of STC89C52 single-chip microcomputer, the external 5V voltage of 20th pin of 74HC573-3 chip.
8. a kind of self-service carwash control system as claimed in claim 1, it is characterized in that, described power module comprises alterating and direct current conversion adapter, 1A fuse F1, 7805 chips, light emitting diode D2 and resistance R11, alterating and direct current conversion adapter output terminal is connected with 7805 chip input ends, the earth terminal GND of 7805 chips is connected rear ground connection with the anode of light emitting diode D2, the output terminal of 7805 chips is connected with one end of 1A fuse F1, the other end of fuse F1 is connected with one end of resistance R11, the other end of resistance R11 is connected with the negative electrode of light emitting diode D2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520663987.5U CN204926326U (en) | 2015-08-28 | 2015-08-28 | Self -service carwash control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520663987.5U CN204926326U (en) | 2015-08-28 | 2015-08-28 | Self -service carwash control system |
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| CN204926326U true CN204926326U (en) | 2015-12-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118188A (en) * | 2015-08-28 | 2015-12-02 | 济南大学 | Self-service car washing control system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118188A (en) * | 2015-08-28 | 2015-12-02 | 济南大学 | Self-service car washing control system and method |
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Granted publication date: 20151230 Effective date of abandoning: 20171110 |