CN200993802Y - Coin-operated washing machine controller - Google Patents

Coin-operated washing machine controller Download PDF

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CN200993802Y
CN200993802Y CN 200620173026 CN200620173026U CN200993802Y CN 200993802 Y CN200993802 Y CN 200993802Y CN 200620173026 CN200620173026 CN 200620173026 CN 200620173026 U CN200620173026 U CN 200620173026U CN 200993802 Y CN200993802 Y CN 200993802Y
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pin
resistance
capacitor
power supply
circuit
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张建华
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Abstract

The utility model relates to a coin washer controller, belongs to the field of automatic control and is to install a coin selector and a power source transformer on the separator plate inside the control box, to fix a counter below the coin port at the side of the box and to arrange a coin collector below the separator plate inside the box. An openable door is positioned at the frontal side of the box and a display window, a start button and a door lock are positioned on the door. An integrated control mother board is arranged at the inside of the frontal door, and the coin selector, the power source transformer, the coin counter and the start button are connected with the control mother board. The control mother board composes a microprocessor, a DC voltage stabilizing circuit, a signal input circuit, a warning tone emission circuit, a digital display circuit, a watch dog circuit, a control and execution circuit, a functional setting circuit and a work indicating circuit. The utility model can be connected with the fully-auto washer of any type and controls the washer to complete the functions during the automatic washing process, is provided with the advantages of low cost, convenient management and application and unmanned management and is suitable for the application in public places.

Description

The coin-up laundry controller
Technical field
The utility model relates to the automatic control technology field, and particularly by inserting coins, control automatically the controller of washing course of washing machine, international Patent classificating number is: D06F93/00.
Background technology
At present, the washing machine of domestic use generally satisfies family's use.Need personal management, operation as public large-scale public laundry facilities in public, and just economical operation effect can be arranged must reach a certain amount of clothing when using the time at every turn, its cost height, investment are big, should not popularize.
Summary of the invention
Goal of the invention of the present utility model just provides a kind of automaton, this device can mate with the automatic washing machine of various brands, model, public is installed, is arranged on to washing machine, make commodity in useization, laundry processes robotization, the unmanned coin-up laundry controller of laundry management of washing machine.
For achieving the above object, the utility model is by the following technical solutions:
On the internal partition of control box casing, coin-freed arrangement is installed, the coin slot of coin-freed arrangement is installed in the side of control box casing, power transformer is installed on the internal partition of control box casing, the coin slot downside is equipped with counter in control box casing side, below the internal partition of control box casing, be provided with coin collector, on coin collector, be provided with door with lock; The front of controller box is provided with openable door, and display window, start button and door lock are installed on door; Volume is equipped with the composition control main board in the positive door of controller, and coin-freed arrangement, power transformer, the counter of inserting coins are connected with control main board with start button;
For protection against the tide, in the positive door of controller, sealing joint strip is installed.
Wherein control main board is the core, and described control main board comprises that microprocessor, direct current regulation circuit, signal input circuit, prompt tone send circuit, digital display circuit, watchdog circuit, control executive circuit, function setting circuit, working indicating.
Described microprocessor adopts AT89C series, perhaps 8086/8088 series, perhaps 80x86 series;
Described direct current regulation circuit (I) is formed by connecting by following element: the ac output end AC of rectifier bridge heap U is connected to the secondary of transformer T, the positive pole of rectifier bridge heap U is connected to the positive pole of electrochemical capacitor C1, capacitor C 2, the input end of three terminal integrated voltage stabilizer L7812CV, the negative pole of electrochemical capacitor C1, the other end of capacitor C 2, the GND ground connection of three terminal integrated voltage stabilizer L7812CV, the output terminal of three terminal integrated voltage stabilizer L7812CV is connected to the positive pole of electrochemical capacitor C3, capacitor C 4, the input end of three terminal integrated voltage stabilizer LM78H05, the negative pole of electrochemical capacitor C3, capacitor C 4, the GND ground connection of three terminal integrated voltage stabilizer LM78H05.
Described signal input circuit (II) is formed by connecting by following element: the output terminal of coin-freed arrangement is connected to socket CON3, the pin 1 of CON3 is connected to+the 12V power supply, and be connected to the pin 1 of IC5 photoelectronic coupler TLP521 by resistance R 3, the negative pole of the pin 2 sending and receiving light pipe D1 of CON3, the positive pole of luminotron D1 is connected to the pin 2 of IC5 photoelectronic coupler TLP521, pin 3 ground connection of CON3, the pin 4 of CON3 is connected to an end of electronic counter, the other end ground connection of electronic counter.The water level switch of washing machine is connected to socket CON4, the pin 1 of CON4 is connected to+the 12V power supply by resistance R 1, the pin 2 of CON4 is connected to the pin 3 of IC5 photoelectronic coupler TLP521 and an end of capacitor C 11 by resistance R 2, the other end of capacitor C 11 is connected to the pin 4 of IC5 photoelectronic coupler TLP521, pin 4,5,7 ground connection of IC5 photoelectronic coupler TLP521.The pin 6 of IC5 photoelectronic coupler TLP521 is connected to the P3.4 (pin 8) of IC1, and is connected to+the 12V power supply by resistance R 5, and the pin 8 of IC5 photoelectronic coupler TLP521 is connected to the P3.2 of IC1 (pin 6), and is connected to+the 12V power supply by resistance R 6.
Described digital display circuit (III) is formed by connecting by following element: display device is a SM4205 type LED charactron, and LED1 shows high-order, and LED2 shows low level.The section of LED1 charactron selects signal end a, b, c, d, e, f, g to hold ( pin 3,4,6,10-13) by Q0, Q1, the Q3-Q7 that resistance R 8-R14 is connected to IC3 (parallel output register 74HC164N is changeed in the input of 8 bit serial), and the section of LED2 charactron selects signal end a, b, c, d, e, f, g to hold ( pin 3,4,6,10-13) by Q0, Q1, the Q3-Q7 that resistance R 15-R21 is connected to IC4 (parallel output register 74HC164N is changeed in the input of 8 bit serial).Serial data input end A, the B of IC3 (pin 1,2) is connected to the high-order Q7 (pin 13) of IC4, serial data input end A, the B end (pin 1,2) of IC4 is connected to the P3.1 (pin 3) of IC1 to microprocessor IC1, the CLK end (pin 8) of IC3, IC4 is connected to the P3.0 (pin 2) of microprocessor IC1, and the clear terminal of IC3, IC4 (pin 9) connects+5V.
Described watchdog circuit (IV) is formed by connecting by following element: the RST end (pin 5) of IC2 is connected to the RST end (pin 1) of IC1, the ST end (pin 7) of IC2 is connected to the P3.2 (pin 6) of IC1, and be connected to+the 5V power supply by resistance R 7, the pin 1,2,3 of IC2 is connected to+the 5V power supply.
Described working indicating (V) is formed by connecting by following element: the P1.7 of IC1 (pin 19) is connected to the negative pole of light emitting diode D2, the positive pole of light emitting diode D2 is connected to+the 5V power supply by resistance R 22, the P1.6 of IC1 (pin 18) is connected to the negative pole of light emitting diode D3, the positive pole of light emitting diode D3 is connected to+the 5V power supply by resistance R 23, the P1.5 of IC1 (pin 17) is connected to the negative pole of light emitting diode D4, the positive pole of light emitting diode D4 is connected to+the 5V power supply by resistance R 24, the P1.4 of IC1 (pin 16) is connected to the negative pole of light emitting diode D5, and the positive pole of light emitting diode D5 is connected to+the 5V power supply by resistance R 25.
Described function setting circuit (VI) is formed by connecting by following element: the P1.3 of IC1 (pin 15) is connected to+the 5V power supply by resistance R 26, and by switch J1 ground connection, the P1.0 of IC1 (pin 12) is connected to+the 5V power supply by resistance R 27, and by switch J3 ground connection, the P3.7 of IC1 (pin 11) is connected to+the 5V power supply by resistance R 28, and by switch J2 ground connection.
Described prompt tone sends circuit (VII) and is formed by connecting by following element: the hummer positive pole is connected to+the 12V power supply, the hummer negative pole is connected to the emitter of triode Q1, the P1.2 of IC1 (pin 14) is connected to the base stage of triode Q1, the grounded emitter of triode Q1 by resistance R 45.
Described control executive circuit (VIII) is formed by connecting by following element: the socket CON5 that is connected with washing machine, the pin 1 of CON5 is connected to the water intaking valve of washing machine, be connected to the T2 end of BG3 simultaneously, be connected to the pin 6 of IC6 by resistance R 30, be connected to the T1 end of BG3 by resistance R 31 and capacitor C 16, the T1 end of BG3 is connected to the G end of BG3 by resistance R 32, the G end of BG3 is connected to the pin 4 of IC6, the pin 1 of IC6 is connected to an end of capacitor C 12, and be connected to+the 5V power supply by resistance R 29, the other end of capacitor C 12 is connected to the pin 2 of IC6, the P1.7 of IC1 (pin 19).The pin 3 of CON5 is connected to the draining valve of washing machine, be connected to simultaneously BG4 T2 end, be connected to the pin 6 of IC7, be connected to the T1 end of BG4 by resistance R 35 and capacitor C 17 by resistance R 34, the T1 end of BG4 is connected to the G end of BG4 by resistance R 36, the G end of BG4 is connected to the pin 4 of IC7, the pin 1 of IC7 is connected to an end of capacitor C 13, and be connected to+the 5V power supply by resistance R 33, the other end of capacitor C 13 is connected to the pin 2 of IC7, the P1.6 of IC1 (pin 18).The motor that the pin 4 of CON5 is connected to washing machine just changes, be connected to simultaneously BG5 T2 end, be connected to the pin 6 of IC8, be connected to the T1 end of BG5 by resistance R 39 and capacitor C 18 by resistance R 38, the T1 end of BG5 is connected to the G end of BG5 by resistance R 40, the G end of BG5 is connected to the pin 4 of IC8, the pin 1 of IC8 is connected to an end of capacitor C 14, and be connected to+the 5V power supply by resistance R 37, the other end of capacitor C 14 is connected to the pin 2 of IC8, the P1.5 of IC1 (pin 17).The pin 5 of CON5 is connected to the motor counter-rotating of washing machine, be connected to simultaneously BG6 T2 end, be connected to the pin 6 of IC9, be connected to the T1 end of BG6 by resistance R 43 and capacitor C 19 by resistance R 42, the T1 end of BG6 is connected to the G end of BG6 by resistance R 44, the G end of BG6 is connected to the pin 4 of IC9, the pin 1 of IC9 is connected to an end of capacitor C 15, and be connected to+the 5V power supply by resistance R 41, the other end of capacitor C 15 is connected to the pin 2 of IC9, the P1.4 of IC1 (pin 16).The pin 2 of CON5 is connected to alternating current 220V, and is connected to T1, the T1 of BG6 of T1, BG5 of T1, the BG4 of BG3.
Owing to adopted above technical scheme, the utlity model has following function:
1, this controller can connect the automatic washing machine of any model, and the control washing machine is finished the function of automatic laundry processes;
2, according to inserting coins quantity, can select drying, rinsing+drying, the washing+rinsing+drying function of washing machine flexibly;
3, the selection function of laundry special coin and Renminbi (coin);
4, system hardware fault self-checking function;
5, the long and short selection function of wash time;
The utility model is particularly suitable for the dormitory and the unmarried colony compact community of factory, office, school and uses, and it is low to have cost, easy to use, reaches unmanned management, is suitable for the good effect that the public place uses.
Description of drawings
Fig. 1 is a scheme of installation of the present utility model;
Fig. 2 is a theory diagram of the present utility model;
Fig. 3 is circuit theory diagrams of the present utility model.
Embodiment
As shown in Figure 1, coin-freed arrangement 1 is installed on the internal partition of control box casing 7, the coin slot of coin-freed arrangement 1 is installed in the side of control box casing 7, at control box casing 7 side coin slot downsides counter 8 is installed, coin-freed arrangement 1 power transformer is installed on the internal partition of control box casing 7, below the internal partition of control box casing 7, be provided with coin collector 6, on coin collector, be provided with door with lock; The front of controller box 7 is provided with openable door, and the register 3 of inserting coins, start button 5 and door lock 4 are installed on door; By forming control main board 2, coin-freed arrangement 1, power transformer, the counter 3 of inserting coins, counter 8 and start button 5 are connected with control main board 2 in the front of controller box 7 door installed inside; For protection against the tide, in the positive door of controller box, sealing joint strip is installed.
As the control main board in Fig. 2 the utility model, send circuit, digital display circuit, watchdog circuit, control executive circuit, function setting circuit, working indicating by microprocessor, direct current regulation circuit, signal input circuit, prompt tone and form.
Described microprocessor adopts AT89C series, perhaps 8086/8088 series, perhaps 80x86 series;
Described direct current regulation circuit (I) is formed by connecting by following element: the ac output end AC of rectifier bridge heap U is connected to the secondary of transformer T, the positive pole of rectifier bridge heap U is connected to the positive pole of electrochemical capacitor C1, capacitor C 2, the input end of three terminal integrated voltage stabilizer L7812CV, the negative pole of electrochemical capacitor C1, the other end of capacitor C 2, the GND ground connection of three terminal integrated voltage stabilizer L7812CV, the output terminal of three terminal integrated voltage stabilizer L7812CV is connected to the positive pole of electrochemical capacitor C3, capacitor C 4, the input end of three terminal integrated voltage stabilizer LM78H05, the negative pole of electrochemical capacitor C3, capacitor C 4, the GND ground connection of three terminal integrated voltage stabilizer LM78H05.
Described signal input circuit (II) is formed by connecting by following element: the output terminal of coin-freed arrangement is connected to socket CON3, the pin 1 of CON3 is connected to+the 12V power supply, and be connected to the pin 1 of IC5 photoelectronic coupler TLP521 by resistance R 3, the negative pole of the pin 2 sending and receiving light pipe D1 of CON3, the positive pole of luminotron D1 is connected to the pin 2 of IC5 photoelectronic coupler TLP521, pin 3 ground connection of CON3, the pin 4 of CON3 is connected to an end of electronic counter, the other end ground connection of electronic counter.The water level switch of washing machine is connected to socket CON4, the pin 1 of CON4 is connected to+the 12V power supply by resistance R 1, the pin 2 of CON4 is connected to the pin 3 of IC5 photoelectronic coupler TLP521 and an end of capacitor C 11 by resistance R 2, the other end of capacitor C 11 is connected to the pin 4 of IC5 photoelectronic coupler TLP521, pin 4,5,7 ground connection of IC5 photoelectronic coupler TLP521.The pin 6 of IC5 photoelectronic coupler TLP521 is connected to the P3.4 (pin 8) of IC1, and is connected to+the 12V power supply by resistance R 5, and the pin 8 of IC5 photoelectronic coupler TLP521 is connected to the P3.2 of IC1 (pin 6), and is connected to+the 12V power supply by resistance R 6.
Signal input of the present utility model can also utilize the IC-card input signal except that utilizing coin-freed arrangement, also can use coin-freed arrangement and IC-card simultaneously.
Described digital display circuit (III) is formed by connecting by following element: display device is a SM4205 type LED charactron, and LED1 shows high-order, and LED2 shows low level.The section of LED1 charactron selects signal end a, b, c, d, e, f, g to hold ( pin 3,4,6,10-13) by Q0, Q1, the Q3-Q7 that resistance R 8-R14 is connected to IC3 (parallel output register 74HC164N is changeed in the input of 8 bit serial), and the section of LED2 charactron selects signal end a, b, c, d, e, f, g to hold ( pin 3,4,6,10-13) by Q0, Q1, the Q3-Q7 that resistance R 15-R21 is connected to IC4 (parallel output register 74HC164N is changeed in the input of 8 bit serial).Serial data input end A, the B of IC3 (pin 1,2) is connected to the high-order Q7 (pin 13) of IC4, serial data input end A, the B end (pin 1,2) of IC4 is connected to the P3.1 (pin 3) of IC1 to microprocessor IC1, the CLK end (pin 8) of IC3, IC4 is connected to the P3.0 (pin 2) of microprocessor IC1, and the clear terminal of IC3, IC4 (pin 9) connects+5V.
Described watchdog circuit (IV) is formed by connecting by following element: the RST end (pin 5) of IC2 is connected to the RST end (pin 1) of IC1, the ST end (pin 7) of IC2 is connected to the P3.2 (pin 6) of IC1, and be connected to+the 5V power supply by resistance R 7, the pin 1,2,3 of IC2 is connected to+the 5V power supply.
Described working indicating (V) is formed by connecting by following element: the P1.7 of IC1 (pin 19) is connected to the negative pole of light emitting diode D2, the positive pole of light emitting diode D2 is connected to+the 5V power supply by resistance R 22, the P1.6 of IC1 (pin 18) is connected to the negative pole of light emitting diode D3, the positive pole of light emitting diode D3 is connected to+the 5V power supply by resistance R 23, the P1.5 of IC1 (pin 17) is connected to the negative pole of light emitting diode D4, the positive pole of light emitting diode D4 is connected to+the 5V power supply by resistance R 24, the P1.4 of IC1 (pin 16) is connected to the negative pole of light emitting diode D5, and the positive pole of light emitting diode D5 is connected to+the 5V power supply by resistance R 25.
Described function setting circuit (VI) is formed by connecting by following element: the P1.3 of IC1 (pin 15) is connected to+the 5V power supply by resistance R 26, and by switch J1 ground connection, the P1.0 of IC1 (pin 12) is connected to+the 5V power supply by resistance R 27, and by switch J3 ground connection, the P3.7 of IC1 (pin 11) is connected to+the 5V power supply by resistance R 28, and by switch J2 ground connection.
Described prompt tone sends circuit (VII) and is formed by connecting by following element: the hummer positive pole is connected to+the 12V power supply, the hummer negative pole is connected to the emitter of triode Q1, the P1.2 of IC1 (pin 14) is connected to the base stage of triode Q1, the grounded emitter of triode Q1 by resistance R 45.
Described control executive circuit (VIII) is formed by connecting by following element: the socket CON5 that is connected with washing machine, the pin 1 of CON5 is connected to the water intaking valve of washing machine, be connected to the T2 end of BG3 simultaneously, be connected to the pin 6 of IC6 by resistance R 30, be connected to the T1 end of BG3 by resistance R 31 and capacitor C 16, the T1 end of BG3 is connected to the G end of BG3 by resistance R 32, the G end of BG3 is connected to the pin 4 of IC6, the pin 1 of IC6 is connected to an end of capacitor C 12, and be connected to+the 5V power supply by resistance R 29, the other end of capacitor C 12 is connected to the pin 2 of IC6, the P1.7 of IC1 (pin 19).The pin 3 of CON5 is connected to the draining valve of washing machine, be connected to simultaneously BG4 T2 end, be connected to the pin 6 of IC7, be connected to the T1 end of BG4 by resistance R 35 and capacitor C 17 by resistance R 34, the T1 end of BG4 is connected to the G end of BG4 by resistance R 36, the G end of BG4 is connected to the pin 4 of IC7, the pin 1 of IC7 is connected to an end of capacitor C 13, and be connected to+the 5V power supply by resistance R 33, the other end of capacitor C 13 is connected to the pin 2 of IC7, the P1.6 of IC1 (pin 18).The motor that the pin 4 of CON5 is connected to washing machine just changes, be connected to simultaneously BG5 T2 end, be connected to the pin 6 of IC8, be connected to the T1 end of BG5 by resistance R 39 and capacitor C 18 by resistance R 38, the T1 end of BG5 is connected to the G end of BG5 by resistance R 40, the G end of BG5 is connected to the pin 4 of IC8, the pin 1 of IC8 is connected to an end of capacitor C 14, and be connected to+the 5V power supply by resistance R 37, the other end of capacitor C 14 is connected to the pin 2 of IC8, the P1.5 of IC1 (pin 17).The pin 5 of CON5 is connected to the motor counter-rotating of washing machine, be connected to simultaneously BG6 T2 end, be connected to the pin 6 of IC9, be connected to the T1 end of BG6 by resistance R 43 and capacitor C 19 by resistance R 42, the T1 end of BG6 is connected to the G end of BG6 by resistance R 44, the G end of BG6 is connected to the pin 4 of IC9, the pin 1 of IC9 is connected to an end of capacitor C 15, and be connected to+the 5V power supply by resistance R 41, the other end of capacitor C 15 is connected to the pin 2 of IC9, the P1.4 of IC1 (pin 16).The pin 2 of CON5 is connected to alternating current 220V, and is connected to T1, the T1 of BG6 of T1, BG5 of T1, the BG4 of BG3.
The course of work of the present utility model such as following:
As shown in Figure 3, in the direct current regulation circuit (I), the 220V AC power is through transformer output AC 12V voltage, through rectifier bridge heap U rectification, filter capacitor C 1, C 2, C 3, C 4, filtering, three terminal integrated voltage stabilizer L7812CV output+12V galvanic current is pressed.Again through three terminal integrated voltage stabilizer LM78H05 output+5V DC voltage, through filter capacitor C 5, C 6, filtering, obtain stable+5V voltage, can provide to entire controller+12V and+the 5V galvanic current presses.
In the signal input circuit (II), the pin 1 of CON3 is coin-freed arrangement supply+12V voltage, when sending effective coin-in signal, the pin 4 output high level of CON3, counter adds 1, the pin 2 output low level pulses of CON3, resistance R 3 has electric current to pass through, pin 8 output low levels of IC5 photoelectronic coupler TLP521, the P3.2 of IC1 (pin 6) detects low level, and IC1 writes down the incident of once inserting coins; When the water level switch of washing machine was connected, CON4 received short-circuit signal, and resistance R 1, R2 have electric current to pass through, pin 6 output low levels of IC5 photoelectronic coupler TLP521, and the P3.4 of IC1 (pin 8) detects low level, and IC1 has detected the full signal of water.Pull-up resistor R5, R6 improve the accuracy of P3.2, the P3.4 reception data of IC1; Resistance R 4 is a pull-up resistor, and after IC1 had detected coin-in signal, start button work was effective, and when pressing start button, the P3.3 of IC1 (pin 7) detects low level, and program for washing begins to carry out.
In the digital display circuit (III), during demonstration, the P3.1 of IC1 (pin 3) sends data terminal A from serial data to IC4, B (pin 1,2), after the P3.0 of IC1 (pin 2) sends synchronizing pulse, IC4 output parallel data shows low level to LED2, and during the 9th pulse, IC4 output parallel data exports the serial data input end of IC3 to through a high position, after the 16 pulse sent, demonstration was finished.
In the watchdog circuit (IV), after the system power-up, the P3.2 of IC1 (pin 6) regularly sends feeding-dog signal, when the RST of IC2 holds (pin 5) in official hour, detection is during less than feeding-dog signal, RST end (pin 5) by IC2 sends reset signal to the RST end (pin 1) of IC1, and IC1 is resetted.Watchdog circuit has solved effectively owing to external interference, causes the problem of IC1 deadlock program fleet.
In the working indicating (V), when the control signal of the P1.4-P1.7 of IC1 output (lasting low level), corresponding light emitting diode D5-D4 is bright, as the signal indication of this function.When the control signal of the P1.4-P1.7 of IC1 output is removed (lasting high level), corresponding light emitting diode D5-D4 extinguishes.
In the function setting circuit (VI), as J1 during at open position, after the system power-up, the P1.3 of IC1 (pin 15) detects high level, and IC1 carries out self-check program: in 2 seconds of water intaking valve connection work, charactron shows " 12 ", and hummer sends " dripping " prompt tone; In 2 seconds of draining valve connection work, charactron shows " 34 ", and hummer sends " dripping " prompt tone; Motor is just being changed a job and was being done for 2 seconds, and charactron shows " 56 ", and hummer sends " dripping " prompt tone; In 2 seconds of motor counter-rotating work, charactron shows " 56 ", and hummer sends " dripping " prompt tone, with the working condition of detection hardware.As J2 during at open position, the P3.7 of IC1 (pin 11) detects high level, and the wash time of washing machine shortens 4 minutes.As J3 during at open position, the P1.0 of IC1 (pin 12) detects high level, coin-freed arrangement (changing the special-purpose proof coin of laundry in advance) accepts once to do washing special coin, as J3 during on position, the P1.0 of IC1 (pin 12) detects low level, and coin-freed arrangement (changing the monobasic coin in advance) is accepted the monobasic coin.
Prompt tone sends in the circuit (VII), and as the P1.2 of IC1 (pin 14) when sending pulse, hummer sends " dripping " prompt tone.
In the control executive circuit (VIII), when the P1.7 of IC1 (pin 19) output low level, resistance R 29 has electric current to pass through, the pin 4,6 of IC6 photoelectronic coupler MOC3083 is low resistive state, the gate pole G of controllable silicon BG3 and central electrode T1 with respect to the voltage of central electrode T2 for just, controllable silicon BG3 triggering and conducting is low resistive state, the pin 2 of CON5 is connected with pin 1, alternating current 220V is added on the water intaking valve of washing machine, make water intaking valve work, when the P1.7 of IC1 (pin 19) output high level, controllable silicon BG3 ends, and water intaking valve is deactivated.When the P1.6 of IC1 (pin 18) output low level, resistance R 33 has electric current to pass through, the pin 4,6 of IC7 photoelectronic coupler MOC3083 is low resistive state, the gate pole G of controllable silicon BG4 and central electrode T1 with respect to the voltage of central electrode T2 for just, controllable silicon BG4 triggering and conducting is low resistive state, the pin 2 of CON5 is connected with pin 3, alternating current 220V is added on the draining valve of washing machine, make draining valve work, when the P1.6 of IC1 (pin 18) output high level, controllable silicon BG4 ends, and draining valve is deactivated.When the P1.5 of IC1 (pin 17) output low level, resistance R 37 has electric current to pass through, the pin 4,6 of IC8 photoelectronic coupler MOC3083 is low resistive state, and for just, controllable silicon BG5 triggering and conducting is low resistive state with respect to the voltage of central electrode T2 for the gate pole G of controllable silicon BG5 and central electrode T1, the pin 2 of CON5 is connected with pin 4, on the motor that alternating current 220V is added to washing machine is just changeing, make machine operation, when the P1.5 of IC1 (pin 17) output low level, controllable silicon BG5 ends, and motor is quit work.When the P1.4 of IC1 (pin 16) output low level, resistance R 41 has electric current to pass through, the pin 4,6 of IC9 photoelectronic coupler MOC3083 is low resistive state, and for just, controllable silicon BG6 triggering and conducting is low resistive state with respect to the voltage of central electrode T2 for the gate pole G of controllable silicon BG6 and central electrode T1, the pin 2 of CON5 is connected with pin 5, alternating current 220V is added in the motor counter-rotating of washing machine, makes machine operation, when the P1.4 of IC1 (pin 16) output high level, controllable silicon BG6 ends, and motor is quit work.
In the system, crystal oscillator, C9, C10 form oscillating circuit, and IC1 provides sequential for microprocessor.
Using method of the present utility model is:
Controller is connected with washing machine, and the attaching plug with washing machine and controller inserts AC outlet again, and J3 connects, energized, the microprocessor IC on the control panel 1Carry out program initialization, washing machine enters holding state, and hummer sends " drip, drip " two prompt tones, and the controller display board shows " 00 ".
Starting the once washing process to insert coins 3 yuan is example, drop into first piece of 1 yuan of coin through coin-freed arrangement, hummer sends " ticking " sound, the controller display board shows " 05 ", drops into second piece of 1 yuan of coin through coin-freed arrangement, and hummer sends " ticking " sound, the controller display board shows " 21 ", drop into the 3rd piece of 1 yuan of coin through coin-freed arrangement, hummer sends " ticking " sound, and the controller display board shows " 40 ".Click " start button " microprocessor and carry out washing procedure, the P1.7 of IC1 (pin 19) output low level, the water intaking valve of washing machine powers up work, and beginning is to the washing machine water filling.When the water level that arrives regulation, the water level switch of washing machine is connected, the P3.4 of IC1 (pin 8) detects low level, the P1.7 of IC1 (pin 19) exports high level, water intaking valve is closed, the low level that the P1.5 of IC1 (pin 17) output continued for 3 seconds, the positive rotating motor work of washing machine, beginning laundry processes.When the laundry time of control finished, hummer sent " drip, drip, drip " three prompt tones, and the controller display board shows " 00 ", and controller enters holding state, waits for next operation.

Claims (2)

1, the coin-up laundry controller, be by the coin-freed arrangement of on the internal partition of control box casing (7), installing (1), the power transformer of on the internal partition of control box casing (7), installing, below the side coin-freed arrangement (1) of control box casing (7), be provided with counter (8), the coin collector (6) that below control box casing (7) internal partition, is provided with, be provided with openable door in the front of controller box (7), display window (3) is installed on door, start button (5) and door lock (4) are formed, and it is characterized in that: the positive door installed inside at controller box (7) has control main board (2);
Described control main board (2) is sent circuit, digital display circuit, watchdog circuit, control executive circuit, function setting circuit, working indicating by microprocessor, direct current regulation circuit, signal input circuit, prompt tone and is formed;
Described microprocessor adopts AT89C series, perhaps 8086/8088 series, perhaps 80x86 series;
Described direct current regulation circuit (I) is formed by connecting by following element: the ac output end AC of rectifier bridge heap U is connected to the secondary of transformer T, the positive pole of rectifier bridge heap U is connected to the positive pole of electrochemical capacitor C1, capacitor C 2, the input end of three terminal integrated voltage stabilizer L7812CV, the negative pole of electrochemical capacitor C1, the other end of capacitor C 2, the GND ground connection of three terminal integrated voltage stabilizer L7812CV, the output terminal of three terminal integrated voltage stabilizer L7812CV is connected to the positive pole of electrochemical capacitor C3, capacitor C 4, the input end of three terminal integrated voltage stabilizer LM78H05, the negative pole of electrochemical capacitor C3, capacitor C 4, the GND ground connection of three terminal integrated voltage stabilizer LM78H05;
Described signal input circuit (II) is formed by connecting by following element: the output terminal of coin-freed arrangement is connected to socket CON3, the pin 1 of CON3 is connected to+the 12V power supply, and be connected to the pin 1 of IC5 photoelectronic coupler TLP521 by resistance R 3, the negative pole of the pin 2 sending and receiving light pipe D1 of CON3, the positive pole of luminotron D1 is connected to the pin 2 of IC5 photoelectronic coupler TLP521, pin 3 ground connection of CON3, the pin 4 of CON3 is connected to an end of electronic counter, the other end ground connection of electronic counter; The water level switch of washing machine is connected to socket CON4, the pin 1 of CON4 is connected to+the 12V power supply by resistance R 1, the pin 2 of CON4 is connected to the pin 3 of IC5 photoelectronic coupler TLP521 and an end of capacitor C 11 by resistance R 2, the other end of capacitor C 11 is connected to the pin 4 of IC5 photoelectronic coupler TLP521, pin 4,5,7 ground connection of IC5 photoelectronic coupler TLP521; The pin 6 of IC5 photoelectronic coupler TLP521 is connected to the P3.4 of IC1, and is connected to+the 12V power supply by resistance R 5, and the pin 8 of IC5 photoelectronic coupler TLP521 is connected to the P3.2 of IC1, and is connected to+the 12V power supply by resistance R 6;
Described digital display circuit (III) is formed by connecting by following element: display device is a SM4205 type LED charactron, and LED1 shows high-order, and LED2 shows low level; The section of LED1 charactron selects signal end a, b, c, d, e, f, g to hold by Q0, Q1, the Q3-Q7 that resistance R 8-R14 is connected to IC3, and the section of LED2 charactron selects signal end a, b, c, d, e, f, g to be connected to Q0, Q1, the Q3-Q7 end of IC4 by resistance R 15-R21; The high-order Q7 that the serial data input end A of IC3, B are connected to IC4, serial data input end A, the B end of IC4 is connected to the P3.1 of IC1 to microprocessor IC1, and the CLK end of IC3, IC4 is connected to the P3.0 of microprocessor IC1, zero clearing termination+5V of IC3, IC4;
Described watchdog circuit (IV) is formed by connecting by following element: the RST end of IC2 is connected to the RST end of IC1, and the ST end of IC2 is connected to the P3.2 of IC1, and is connected to+the 5V power supply by resistance R 7, and the pin 1,2,3 of IC2 is connected to+the 5V power supply;
Described working indicating (V) is formed by connecting by following element: the P1.7 of IC1 is connected to the negative pole of light emitting diode D2, the positive pole of light emitting diode D2 is connected to+the 5V power supply by resistance R 22, the P1.6 of IC1 is connected to the negative pole of light emitting diode D3, the positive pole of light emitting diode D3 is connected to+the 5V power supply by resistance R 23, the P1.5 of IC1 is connected to the negative pole of light emitting diode D4, the positive pole of light emitting diode D4 is connected to+the 5V power supply by resistance R 24, the P1.4 of IC1 is connected to the negative pole of light emitting diode D5, and the positive pole of light emitting diode D5 is connected to+the 5V power supply by resistance R 25;
Described function setting circuit (VI) is formed by connecting by following element: the P1.3 of IC1 is connected to+the 5V power supply by resistance R 26, and by switch J1 ground connection, the P1.0 of IC1 is connected to+the 5V power supply by resistance R 27, and by switch J3 ground connection, the P3.7 of IC1 is connected to+the 5V power supply by resistance R 28, and by switch J2 ground connection;
Described prompt tone sends circuit (VII) and is formed by connecting by following element: the hummer positive pole is connected to+the 12V power supply, the hummer negative pole is connected to the emitter of triode Q1, the P1.2 of IC1 is connected to the base stage of triode Q1, the grounded emitter of triode Q1 by resistance R 45;
Described control executive circuit (VIII) is formed by connecting by following element: the socket CON5 that is connected with washing machine, the pin 1 of CON5 is connected to the water intaking valve of washing machine, be connected to the T2 end of BG3 simultaneously, be connected to the pin 6 of IC6 by resistance R 30, be connected to the T1 end of BG3 by resistance R 31 and capacitor C 16, the T1 end of BG3 is connected to the G end of BG3 by resistance R 32, the G end of BG3 is connected to the pin 4 of IC6, the pin 1 of IC6 is connected to an end of capacitor C 12, and be connected to+the 5V power supply by resistance R 29, the other end of capacitor C 12 is connected to the pin 2 of IC6, the P1.7 of IC1; The pin 3 of CON5 is connected to the draining valve of washing machine, be connected to simultaneously BG4 T2 end, be connected to the pin 6 of IC7, be connected to the T1 end of BG4 by resistance R 35 and capacitor C 17 by resistance R 34, the T1 end of BG4 is connected to the G end of BG4 by resistance R 36, the G end of BG4 is connected to the pin 4 of IC7, the pin 1 of IC7 is connected to an end of capacitor C 13, and be connected to+the 5V power supply by resistance R 33, the other end of capacitor C 13 is connected to the pin 2 of IC7, the P1.6 of IC1; The motor that the pin 4 of CON5 is connected to washing machine just changes, be connected to simultaneously BG5 T2 end, be connected to the pin 6 of IC8, be connected to the T1 end of BG5 by resistance R 39 and capacitor C 18 by resistance R 38, the T1 end of BG5 is connected to the G end of BG5 by resistance R 40, the G end of BG5 is connected to the pin 4 of IC8, the pin 1 of IC8 is connected to an end of capacitor C 14, and be connected to+the 5V power supply by resistance R 37, the other end of capacitor C 14 is connected to the pin 2 of IC8, the P1.5 of IC1; The pin 5 of CON5 is connected to the motor counter-rotating of washing machine, be connected to simultaneously BG6 T2 end, be connected to the pin 6 of IC9, be connected to the T1 end of BG6 by resistance R 43 and capacitor C 19 by resistance R 42, the T1 end of BG6 is connected to the G end of BG6 by resistance R 44, the G end of BG6 is connected to the pin 4 of IC9, the pin 1 of IC9 is connected to an end of capacitor C 15, and be connected to+the 5V power supply by resistance R 41, the other end of capacitor C 15 is connected to the pin 2 of IC9, the P1.4 of IC1; The pin 2 of CON5 is connected to alternating current 220V, and is connected to T1, the T1 of BG6 of T1, BG5 of T1, the BG4 of BG3.
2, coin-up laundry controller according to claim 1 is characterized in that: the IC-card input signal is adopted in described signal input input, perhaps uses coin-freed arrangement and IC-card input signal simultaneously.
CN 200620173026 2006-12-28 2006-12-28 Coin-operated washing machine controller Expired - Fee Related CN200993802Y (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102708616A (en) * 2012-04-17 2012-10-03 昆山富泰科电脑有限公司 Coin box with counting display
CN102877279A (en) * 2012-10-09 2013-01-16 苏章群 Novel clothes dryer
CN103015128A (en) * 2012-12-17 2013-04-03 南京乐金熊猫电器有限公司 Method for adding game mode for washing machine
CN105118188A (en) * 2015-08-28 2015-12-02 济南大学 Self-service car washing control system and method
CN105506915A (en) * 2014-09-25 2016-04-20 合肥美的洗衣机有限公司 Coin-operated washing machine and control device thereof, and control method thereof
CN105648707A (en) * 2014-11-10 2016-06-08 合肥美的洗衣机有限公司 Coin-feed washing machine and control device thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102708616A (en) * 2012-04-17 2012-10-03 昆山富泰科电脑有限公司 Coin box with counting display
CN102877279A (en) * 2012-10-09 2013-01-16 苏章群 Novel clothes dryer
CN102877279B (en) * 2012-10-09 2016-02-24 深圳市佳能宝节能环保科技有限公司 A kind of dryer
CN103015128A (en) * 2012-12-17 2013-04-03 南京乐金熊猫电器有限公司 Method for adding game mode for washing machine
CN105506915A (en) * 2014-09-25 2016-04-20 合肥美的洗衣机有限公司 Coin-operated washing machine and control device thereof, and control method thereof
CN105506915B (en) * 2014-09-25 2020-08-14 合肥美的洗衣机有限公司 Coin-operated washing machine and control device and control method thereof
CN105648707A (en) * 2014-11-10 2016-06-08 合肥美的洗衣机有限公司 Coin-feed washing machine and control device thereof
CN105118188A (en) * 2015-08-28 2015-12-02 济南大学 Self-service car washing control system and method

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