CN105648707A - Coin-feed washing machine and control device thereof - Google Patents

Coin-feed washing machine and control device thereof Download PDF

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Publication number
CN105648707A
CN105648707A CN201410631169.7A CN201410631169A CN105648707A CN 105648707 A CN105648707 A CN 105648707A CN 201410631169 A CN201410631169 A CN 201410631169A CN 105648707 A CN105648707 A CN 105648707A
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China
Prior art keywords
resistance
coin
control device
circuit
diode
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CN201410631169.7A
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Chinese (zh)
Inventor
高利敏
舒启民
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Hefei Midea Laundry Appliance Co Ltd
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Hefei Midea Laundry Appliance Co Ltd
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Priority to CN201410631169.7A priority Critical patent/CN105648707A/en
Publication of CN105648707A publication Critical patent/CN105648707A/en
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Abstract

The invention provides a coin-feed washing machine control device comprising the following elements: a water inlet valve; a detection circuit used for obtaining coil feeding information; a weighting circuit connected with a coin-feed washing machine motor and used for outputting pulse signals according to motor induction electromotive force; a controller respectively connected with the detection circuit and the weighting circuit, used for selecting washing program according to the coil feeding information, determining the weight of the clothes in a coin-feed washing machine washing barrel according to the number of the pulse signals, determining water inflow amount according to the clothes weight, controlling the water inlet valve according to the water inflow amount, and executing the washing program. The coin-feed washing machine control device can ensure the clothes to be well cleaned, and can save water resources; the invention alos provides the coin-feed washing machine having the control device.

Description

Coin washer and control device thereof
Technical field
The present invention relates to technical field of electric appliances, particularly a kind of control device of coin washer, and there is thisThe coin washer of control device.
Background technology
Washing machine is as a kind of laundry facilities, for user provides a great convenience. What at present, public place used washesClothing machine equipment mostly is coin washer, and coin washer is by coin or the detection of swiping the card, and output feedback signal extremelyController, controller is the how many or number of times of swiping the card by detection coin, judges certain program for washing, and then controls coin-feedWashing machine starts voluntarily, does not need manual operation. Coin washer is placed on to public arena and keeps an eye on without personnel,Only need regularly check, for investor provides a great convenience.
But traditional coin washer, can only be according to the fixing laundry of how many selections of inserting coins no matter clothing is how manyProgram and inflow, tend to occur clothing too much and inflow causes clothes washing unclean not, or clothing is lessAnd inflow is many, can cause the wasting of resources.
Summary of the invention
The present invention is intended to solve at least to a certain extent one of above-mentioned technical problem. For this reason, the present invention needs to proposeA control device for coin washer, this control device can ensure that clothes washing is clean, and can save water moneySource.
The present invention also proposes a kind of coin washer with this control device.
For addressing the above problem, one aspect of the present invention embodiment proposes a kind of control device of coin washer, this controlDevice processed comprises: water intaking valve; Testing circuit, for obtaining the information of inserting coins; Weighing circuit, described weighing circuit and instituteThe motor of stating coin washer connects, for according to the induced electromotive force output pulse signal of described motor; Controller,Described controller is connected with described testing circuit and weighing circuit respectively, described controller according to described in the Information Selection of inserting coinsProgram for washing, and judge the weight of described coin washer bucket undergarment according to the quantity of described pulse signal, andDetermine inflow according to the weight of described clothing, and according to water intaking valve described in described inflow control, and described in carrying outProgram for washing.
According to the control device of the coin washer of the embodiment of the present invention, by Weighing module according to the induced electricity of motorKinetic potential output pulse signal, and then controller determines clothes weight according to the quantity of pulse signal, and drop into according to userThe weight of clothing is selected inflow automatically, can ensure clothes washing effect, and saving water resource.
In some embodiments of the invention, described weighing circuit comprises: the first diode and the second diode, described inThe anode of the first diode is connected with the reversion coil of described motor; The first resistance and the second resistance, described the first resistanceOne end be connected with the positive switch coil of described motor, one end of described the second resistance is connected with Zheng's switch coil of described motor;Optocoupler, the first input end of described optocoupler is connected with the negative electrode of described the first diode and the negative electrode of the second diode respectively,The second input of described optocoupler respectively with the anode of described the second diode, the other end and second resistance of the first resistanceThe other end connect, the first output head grounding of described optocoupler; The first triode, the base stage of described the first triode withThe second output of described optocoupler connects, and the colelctor electrode of described the first triode is connected with described controller, and described firstThe grounded emitter of triode, has first node between the second output of described base stage and described optocoupler; The 3rd electricityResistance, the 4th resistance and the 5th resistance, one end of described the 3rd resistance is connected with the first default power supply, described the 3rd resistanceThe other end be connected with described first node, one end of described the 4th resistance is connected with described first node, the described the 4thThe other end ground connection of resistance, one end of described the 5th resistance is connected with the described first default power supply, described the 5th resistanceThe other end is connected with the colelctor electrode of described the first triode.
In some embodiments of the invention, above-mentioned control device also comprises power supply circuits, and described power supply circuits comprise:Transformer module, described transformer module is electrically connected with city; Rectification module, described rectification module and described transformer mouldPiece connects, and described rectification module comprises rectifier bridge, the first divider resistance and the second divider resistance, the first divider resistanceOne end is connected with the first output of described rectifier bridge by the 3rd diode, the other end of described the first divider resistance andOne end of described the second divider resistance connects, the second output of the other end of described the second divider resistance and described rectifier bridgeEnd connects, and between described the first divider resistance and described the second divider resistance, has Section Point; Voltage stabilizing module, described inVoltage stabilizing module is connected with described rectification module, and described Voltage stabilizing module is exported respectively two-way power supply signal;
In some embodiments of the invention, described Voltage stabilizing module comprises: voltage regulation unit, first of described voltage regulation unitInput is connected with the first output of described rectification module, the second input of described voltage regulation unit and described rectification mouldThe second output of piece connects; The first electric capacity, one end of the first electric capacity is connected with the output of described voltage regulation unit, instituteState the other end of the first electric capacity and the second output of described rectification module is connected; The first electrochemical capacitor, described the first electricitySeparate one end of electric capacity and the output of described voltage regulation unit and be connected, the other end of described the first electrochemical capacitor and described rectificationThe second output of module connects; The 4th diode and the 5th diode, the anode of described the 4th diode and described steadyPress the output of unit to connect, described the 4th diode is exported the first power supply signal and is powered, described the 5th diodeAnode be connected with the output of described voltage regulation unit, described the 5th diode output second source signal is powered.
In addition, in some embodiments of the invention, above-mentioned control device also comprises: zero cross detection circuit, and for oftenEvery Preset Time, the power supply signal of described power supply circuits is carried out to zero passage detection, described zero cross detection circuit comprises: secondTriode, the base stage of described the second triode is connected with described Section Point, the grounded collector of described the second triode,The emitter stage of described the second triode is connected with described controller; The 6th resistance, one end of described the 6th resistance with described inThe emitter stage of the second triode connects, and the other end of described the 6th resistance is connected with the negative electrode of described the 4th diode.
In some embodiments of the invention, above-mentioned control device also comprises: memory circuit, described memory circuit and instituteState controller and connect, described controller judges whether to occur powered-off fault according to zero passage detection result, and is occurring extremelyWhen power down, the running state information of described coin washer is stored in described memory circuit.
In some embodiments of the invention, described controller, also for after described coin washer powers on, is adjustedGet the described running state information in described memory, and continue to carry out described laundry journey according to described running state informationOrder.
Carry out zero passage detection by zero cross detection circuit, and then controller determines whether to occur according to zero passage detection result differentNormal power down, and in the time of powered-off fault, current running state information is stored in memory circuit, after city power recovery,Can continue according to program for washing operation, without again inserting coins, protection user benefit, more hommization.
In some embodiments of the invention, above-mentioned control device also comprises: warning circuit, described warning circuit and instituteState controller and connect, after described program for washing finishes, warning circuit is reported to the police and is carried described in described controller controlShow.
In some embodiments of the invention, above-mentioned control device also comprises: program updates circuit, described program updatesCircuit is connected with described controller, for described program for washing is upgraded.
Based on the structure of above-mentioned control device, another aspect of the present invention embodiment proposes a kind of coin washer, shouldCoin washer comprises the control device of above-mentioned aspect embodiment.
According to the coin washer of the embodiment of the present invention, by the control device of above-described embodiment, can ensure clothingClean result, and can saving water resource, after unexpected power down recovers to power on again, can continue to carry out power down timeProgram for washing, without again inserting coins, protection user benefit, more hommization.
The aspect that the present invention is additional and advantage in the following description part provide, and part will become from the following descriptionObtain obviously, or recognize by practice of the present invention.
Brief description of the drawings
The present invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments brightAobvious and easy understanding, wherein:
Fig. 1 is the block diagram of the control device of coin washer according to an embodiment of the invention;
Fig. 2 is according to the circuit diagram of the control device of the coin washer of a specific embodiment of the present invention;
Fig. 3 is the block diagram of the control device of coin washer according to another embodiment of the invention; And
Fig. 4 is the block diagram of coin washer according to an embodiment of the invention.
Reference numeral
Control device 1000, water intaking valve 100, testing circuit 200, weighing circuit 300 and controller 400, motor 500,Display circuit 600, power supply circuits 700, transformer module 701, rectification module 702 and Voltage stabilizing module 703, driveCircuit 800, drive circuit 900, zero cross detection circuit 110 and memory circuit 120, warning circuit 130, water level inspectionSlowdown monitoring circuit 150, the drive circuit 160 of inserting coins, testing circuit 170 and coin-freed arrangement connecting circuit 180 open the door.
Detailed description of the invention
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, wherein from start to finishSame or similar label represents same or similar element or has the element of identical or similar functions. Below by ginsengThe embodiment that examines accompanying drawing description is exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
Disclosing below provides many different embodiment or example to be used for realizing different structure of the present invention. For letterChange of the present invention openly, hereinafter the parts to specific examples and setting are described. Certainly, they are only example,And object does not lie in restriction the present invention. In addition, the present invention can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and object clearly, itself do not indicate between discussed various embodiment and/or settingRelation. In addition the various specific technique the invention provides and the example of material, but ordinary skill people,Member can recognize the property of can be applicable to of other techniques and/or the use of other materials. In addition, the first spy described belowLevy Second Characteristic it " on " structure can comprise that the first and second Characteristics creations are the direct embodiment of contact, also canTo comprise the embodiment of other Characteristics creation between the first and second features, such the first and second features may be notIt is direct contact.
In description of the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected "," connection " should be interpreted broadly, and for example, can be mechanical connection or electrical connection, can be also the company of two element internalsLogical, can be to be directly connected, also can indirectly be connected by intermediary, for those of ordinary skill in the art andSay, can understand as the case may be the concrete meaning of above-mentioned term.
With reference to description and accompanying drawing below, these and other aspects of embodiments of the invention will be known. In these descriptionsIn accompanying drawing, specifically disclose some specific implementations in embodiments of the invention, represent to implement of the present inventionSome modes of the principle of embodiment, but should be appreciated that the scope of embodiments of the invention is not limited. On the contrary,Embodiments of the invention comprise all changes within the scope of spirit and the intension that falls into additional claims, amendment andEquivalent.
Describe with reference to the accompanying drawings the control device of the coin washer proposing according to the embodiment of the present invention and there is thisThe coin washer of control device.
First the control device of the coin washer to the embodiment of the present invention describes.
Fig. 1 is the block diagram of the control device of coin washer according to an embodiment of the invention. As shown in Figure 1,
The control device 1000 of the coin washer of the embodiment of the present invention comprise water intaking valve 100, testing circuit 200,Weighing circuit 300 and controller 400.
Testing circuit 200 is for obtaining the information of inserting coins. For example, user is inserted coin or is swiped the card by coin-freed arrangement, inspectionSlowdown monitoring circuit 200 scans the information of inserting coins, for example, detect in a coin-freed arrangement whether have pulse width every two secondsBe 16 milliseconds of above pulse inputs, if had, think that the information of inserting coins for example has coin drop into or have people to swipe the card.
Weighing circuit 300 is connected with the motor 500 of coin washer, for according to the induced electromotive force of motor 500Output pulse signal. Particularly, the control device of the coin washer of the embodiment of the present invention can be weighed by fuzzyMode obtain clothes weight. For example, the varying in weight of the clothing in coin washer bucket, coin washerMotor 500 produce the induced electromotive force of differential declines frequency, so according to the sense of the motor 500 of coin washerAnswer electromotive force to pass through weighing circuit 300 and can export the pulse signal corresponding with induced electromotive force.
Controller 400 is connected with testing circuit 200 and weighing circuit 300 respectively. Controller 400 is at detection module 200After the information of inserting coins being detected, according to the Information Selection program for washing of inserting coins. For example controller 400 bases insert coinHow many or the number of times of swiping the card, and then select corresponding program for washing. Wherein, the quantity of coin can with the corresponding of program for washingTo set. The for example explanation as an example of 1,2,3 coin example, throws if testing circuit 200 detects 1 coinEnter or swipe the card once, controller 400 option programs 1 comprise washing procedure, and now coin washer is aobviousShow that washing lamp corresponding in circuit lights, and the demonstration screen display remaining time of coin washer; If detectedCircuit 200 detects and drops into two coins or swipe the card twice, and controller 400 option programs 2 comprise washing journeyOrder and rinsing program; Drop into three coins or swipe the card three times if testing circuit 200 detects, option program 3Comprise washing procedure, rinsing program and dehydration procedure.
Controller 400 judges the weight of coin washer bucket undergarment according to the quantity of pulse signal, and according to clothingThe weight of thing is determined inflow, and according to inflow control water intaking valve 100, and carry out program for washing. Particularly, throwVarying in weight of clothing in coin washing machine drum, the number of the pulse signal that weighing circuit 300 is exported is corresponding different,Controller 400 can judge clothes weight according to the quantity of pulse signal. Be understandable that control circuit 400The quantity of pulse signal and the corresponding relation of clothes weight that produce according to the induced electromotive force of motor can be carried out in advanceDeposit, thereby the quantity of acquisition pulse signal can obtain corresponding clothes weight.
Further, machine design early stage, can according to the concrete condition of washing machine drum by clothing number and waterThe relation of amount is tested, and then clothes weight is stored in to controller 400 with the corresponding data relation of corresponding inflowIn, thereby controller 400 is after determining clothes weight according to the quantity of pulse signal, can obtain and clothes weightCorresponding inflow.
And then after obtaining corresponding inflow according to clothes weight, controller 400 is controlled 100 dozens of water intaking valvesOpen to intake, when water inlet is to the inflow corresponding with clothes weight, controller 400 controls water intaking valve 100 and cuts out,And then control coin washer operation program for washing, and in other words, the control device 1000 of the embodiment of the present invention, rootAccording to how many definite washing inflows of clothing, thereby can reduce the waste of resource. For example,, if 400 of controllersAccording to the program 1 of the Information Selection of inserting coins, water inlet to need inflow after, controller 400 control motor just carrying out,Reversion, carries out washing procedure according to certain beat, and after washing maturation finishes, controls draining valve 100 and openCarry out draining, finish for the program for washing of option program 1; In addition, the information if controller 400 bases are inserted coinsOption program 2,, after draining completes, controls coin washer and carries out rinsing program, and finish in rinsing programAfterwards, control draining valve 100 and carry out draining, finish for the program for washing of option program 2; In addition, if controlDevice 400 processed, according to inserting coins Information Selection program 3,, after rinsing program finishes, can carry out secondary rinsing, and thenAfter rinsing program finishes, the transference apparatus that controller 400 is controlled draining valve 100 takes off the clothing of washes cleanWater, after dehydration procedure finishes, finishes for the program for washing of option program 3.
Below each structure of the control device of the coin washer to the embodiment of the present invention 1000 is carried out further in detailDescribe in detail bright.
Wherein, Fig. 2 is that the circuit of the control device 1000 of the coin washer of a specific embodiment of the present invention showsIntention. As shown in Figure 2, testing circuit 200 comprises 6 core detection terminal CN6, resistance, electric capacity, diode and threeUtmost point pipe Q01, as shown in Figure 2, testing circuit 200 connects for example chip IC 2 of controller 400 to concrete annexationPort 22. Inserted coin or swiped the card by coin-freed arrangement, testing circuit 200 detects the information of inserting coins of coin-freed arrangement, and thenColelctor electrode by triode Q01 and resistance R 01 output information are to the port 22 of chip IC 2, and chip IC 2 detectsPulse signal, judged whether coin drop into or swipe the card and quantity, and then controller 400 for example IC2 according to throwingCoin information is determined program for washing. Now in the display circuit 600 of coin washer, corresponding lamp lights, wherein, aobviousShow that circuit 600 comprises two 8 charactron DIS, LED, resistance, diode and triode, concrete annexation is as Fig. 2Shown in, for display case as the quantity of inserting coins, laundry time and program for washing.
Weighing circuit 300 comprise the first diode D1 and the second diode D2, the first resistance R 1 and the second resistance R 2,Optocoupler U, the first triode Q1, the 3rd resistance R 3, the 4th resistance R 4 and the 5th resistance R 5. The first diode D1Anode be connected with the reversion coil of motor 500; One end of the first resistance R 1 is connected with the positive switch coil of motor 500,One end of the second resistance R 2 is connected with the positive switch coil of motor 500; The first input end of optocoupler U is respectively with the one or twoThe negative electrode of utmost point pipe D1 is connected with the negative electrode of the second diode D2, the second input 2 of optocoupler U respectively with the two or two utmost pointThe anode, the other end of the first resistance R 1 of pipe D2 are connected with the other end of the second resistance R 2, and optocoupler U's is first defeatedGo out end 3 ground connection; The base stage of the first triode Q1 is connected with the second output 4 of optocoupler U, the first triode Q1'sColelctor electrode is connected with controller 400, the grounded emitter of the first triode Q1, the second output of base stage and optocoupler UBetween end 4, there is first node a; One end of the 3rd resistance R 3 and the first default power supply for example+5V is connected, the 3rd electricityThe other end of resistance R3 is connected with first node a, and one end of the 4th resistance R 4 is connected with first node a, the 4th resistanceThe other end ground connection of R4, one end of the 5th resistance R 5 and the first default power supply are connected, the other end of the 5th resistance R 5 andThe colelctor electrode of the first triode Q1 connects.
Particularly, according to the difference of the weight of the clothing in coin washer bucket, motor 500 produces differential declines frequentlyThe induced electromotive force of rate, motor 500 is connected with weighing circuit 300 by binding post CN3, for example the first diodeThe anode of D1 is connected with the reversion coil of motor 500 by CN1, the first resistance R 1 and the second resistance R 2 parallel connectionsBe connected with the positive switch coil of motor 500 by CN1 afterwards, the induced electromotive force that motor 500 produces is by optocoupler U, theOne triode Q1 output pulse signal, the frequency of fadings difference of induced electromotive force corresponding weighing circuit 300 is exportedThe number difference of pulse signal. And then weighing circuit 300 by output of pulse signal to controller 400, for example export core toThe port 21 of sheet IC2, and then for example chip IC 2 of controller 400 judges the weight of clothing according to the quantity of pulse signal,And according to clothes weight determine inflow number, thereby realize according to the different object of different clothing inflows, canEnsure clothes washing effect, and saving water resource.
Further, as shown in Figure 3, the power supply electricity of the control device 1000 of the coin washer of the embodiment of the present inventionRoad 700 comprises transformer module 701, rectification module 702 and Voltage stabilizing module 703.
Particularly, transformer module 701 is connected with for example AC220 of civil power, and as shown in Figure 2, power supply circuits 700 are logicalCross binding post CN1 and CN2 access civil power, transformer module 701 comprises resettable fuse F1, linear transformationDevice T, piezo-resistance VR, safety capacitor C 1.
Rectification module 702 is connected with transformer module 701, particularly example as shown in Figure 2, rectification module 702 and lineProperty transformer T secondary coil connect, rectification module 702 comprises rectifier bridge BD1, the first divider resistance R6 and theTwo divider resistance R7, one end of the first divider resistance R6 is first defeated by the 3rd diode D3 and rectifier bridge BD1'sGo out end and connect, the other end of the first divider resistance R6 is connected with one end of the second divider resistance R7, the second divider resistanceThe other end of R7 is connected with the second output of rectifier bridge BD1, the first divider resistance R6 and the second divider resistance R7Between there is Section Point b.
Voltage stabilizing module 703 is connected with rectification module 702, and Voltage stabilizing module 703 is exported respectively such as Fig. 2 of two-way power supply signalIn VDD and for example 5V voltage of VCC. Particularly, Voltage stabilizing module 703 comprises voltage regulation unit W1, the first electric capacityC2, the first electrochemical capacitor C3, the 4th diode D4 and the 5th diode D5. The first input end of voltage regulation unit W1Be connected of the second input of voltage regulation unit W1 and rectification module 702 with the first output of rectification module 702Two outputs connect; One end of the first capacitor C 2 is connected with the output of voltage regulation unit W1, the first capacitor C 2 anotherOne end is connected with the second output of rectification module 702; One end of the first electrochemical capacitor C3 and voltage regulation unit W1's is defeatedGo out end and connect, the other end of the first electrochemical capacitor C3 is connected with the second output of rectification module 702; The 4th diodeThe anode of D4 is connected with the output of voltage regulation unit W1, and the 4th diode D4 exports such as VCC of the first power supply signalPower, the anode of the 5th diode D5 is connected with the output of voltage regulation unit W1, the 5th diode D5 outputFor example VDD of second source signal powers. Voltage stabilizing module 703 is by voltage regulation unit W1 for example after 7806 outputsBy the 4th diode D4 and the 5th diode D5, power supply is divided into two-way, thereby realizes the isolation of forceful electric power and light current,Safer.
For example VCC of two-way power supply signal and VDD that power supply circuits 700 are exported, for example VDD of a road is drive circuitBidirectional triode thyristor in relay, drive circuit 900 in 800 provides reference voltage, and for example VCC of another road is itHe powers at modular circuit. Wherein, as shown in Figure 2, drive circuit 800 comprises relay K 1 and diode D6,For the load of drive circuit 900 provides alternating voltage. Drive circuit 900 comprises septuple Darlington transistor U3, two-way controlledSilicon TR1-TR4, resistance and electric capacity, as shown in Figure 2, controller 400 is chip IC 2 ports for example for concrete annexation16-19 output control signal is amplified electric current by septuple Darlington transistor U3, and by bidirectional triode thyristor, TR1-TR4 controlsThe turn-on and turn-off of load.
Further, for traditional coin washer, in execution program for washing process, if unexpected power down existsAfter city power recovery, must again insert coins or swipe the card, restart performing a programme, if this user is after power downClothing is taken out and abandoned laundry, while now there is sewage in washing machine, because power down cannot be discharged, will affectNext user's normal use. For the problems referred to above, as shown in Figure 3, the control device 1000 of the embodiment of the present inventionAlso comprise zero cross detection circuit 110 and memory circuit 120.
Particularly, memory circuit 120 is connected with controller 400, and memory circuit 120 comprises memory cell U2 and resistance,Concrete connection as shown in Figure 2,6 pin of for example memory cell U2 are connected with 12 pin of chip IC 2,5 pin of U2 and13 pin of chip IC 2 are connected. Zero cross detection circuit 110 is for the confession telecommunications to power supply circuits 700 every Preset TimeNumber carry out zero passage detection, zero cross detection circuit 110 comprises the second triode Q2 and the 6th resistance R 8. The second triodeThe base stage of Q2 is connected with Section Point b, the grounded collector of the second triode Q2, the transmitting of the second triode Q2The utmost point is for example connected with controller 400 and is connected with the port 43 of chip IC 2; One end of the 6th resistance R 8 and the two or three utmost pointThe emitter stage of pipe Q2 connects, and the other end of the 6th resistance R 8 is connected with the negative electrode of the 4th diode D4. For example, mistakeZero testing circuit 110 every 10 second run-down power supply signal be for example electric current, voltage of civil power, and then controller 400Judge whether civil power occurs zero passage phenomenon, by the first divider resistance R6 and the second divider resistance in power supply circuits 700The dividing potential drop of R7, in the time there is zero cross signal in civil power, the second triode Q2 cut-off, 43 pin of chip IC 2 will detectHigh level, if improper power down, 43 pin of chip IC 2 cannot detect pulse signal. Controller 400 basesThe zero passage detection result of zero cross detection circuit 110 judges whether coin washer powered-off fault occurs, and different in generationWhen normal power down, the running state information of coin washer is stored in the memory cell U2 of memory circuit 120.
Controller 400, also for after coin washer powers on, is transferred the running status letter in memory circuit 120Breath, and continue to carry out program for washing according to running state information. That is to say, coin washer powered-off fault itAfter, controller 400 is stored in current running state parameter in memory circuit 120, once city power recovery is controlledDevice 400 continues operation by controlling the state of washing machine during according to power down, does not need again to insert coins, thereby avoids usingFamily loss.
Further, as shown in Figure 2, above-mentioned control device 1000 can also comprise warning circuit 130, warning circuit130 are connected with controller 400, and after program for washing finishes, controller 400 is controlled warning circuit 130 and reported to the policePrompting, finishes with reminding user clothes washing.
In addition, as shown in Figure 3, above-mentioned control device 1000 can also comprise program updates circuit 140, program updatesCircuit 140 is connected with controller 400, for program for washing is upgraded, so can increase as required laundryProgram or change program for washing, and then meet user's actual needs.
As shown in Figure 3, the control device 1000 of above-mentioned coin washer also comprises water level detection circuit 150, inserts coinsDrive circuit 160, testing circuit 170 and coin-freed arrangement connecting circuit 180 open the door.
Particularly, as shown in Figure 2, water level detection circuit 150 comprises socket PS4, inversion device MC14069 and resistance,Concrete annexation as shown in Figure 2. Socket PS4 is used for connecting level sensor, and water level detection circuit 150 is by electricityResistance R02 is connected with the port 44 of for example chip IC 2 of controller 400, for detection of water level frequency, according to water level frequencyJudge the size of the water yield.
The drive circuit 160 of inserting coins comprises triode, resistance and diode, and concrete annexation as shown in Figure 2, is passed throughChip IC 2 ports 41 control whether export VEE, and VEE is connected with coin-freed arrangement by socket CN6, for coin-freed arrangement is carriedPower supply source.
The testing circuit 170 that opens the door comprises socket CN4, resistance, diode, concrete annexation as shown in Figure 2,Socket CN4 is for connection door switching device, and the testing circuit 170 that opens the door is by resistance R 03 and chip IC 2 ports 39Connect, for detection of coin washer door on off state.
Coin-freed arrangement connecting circuit 180 comprises socket PS5, rat tail, for connecting coin-freed arrangement and controller 400.
In sum, according to the control device of the coin washer of the embodiment of the present invention, by Weighing module according to electricityThe induced electromotive force output pulse signal of machine, and then controller determines clothes weight according to the quantity of pulse signal, and rootDrop into the weight of clothing according to user and automatically select inflow, can ensure clothes washing effect, and saving water resource. Separately, carry out zero passage detection by zero cross detection circuit outward, and then controller determines whether to occur according to zero passage detection result differentNormal power down, and in the time of powered-off fault, current running state information is stored in memory circuit, after city power recovery,Can continue according to program for washing operation, without again inserting coins, protection user benefit, more hommization.
The control device of the coin washer based on above-described embodiment, another aspect of the present invention embodiment proposes oneCoin washer.
Fig. 4 is the block diagram of coin washer according to an embodiment of the invention, the coin-feed of the embodiment of the present inventionWashing machine 2000 comprises the control device 1000 of above-mentioned aspect embodiment.
According to the coin washer of the embodiment of the present invention, by the control device of above-described embodiment, can ensure clothingClean result, and can saving water resource, after unexpected power down recovers to power on again, can continue to carry out power down timeProgram for washing, without again inserting coins, protection user benefit, more hommization.
Each functional unit in each embodiment of the present invention can be integrated in a processing module, can be also eachThe independent physics in unit exists, and also can be integrated in a module two or more unit. Above-mentioned integrated moduleBoth can adopt the form of hardware to realize, and also can adopt the form of software function module to realize. Described integrated moduleIf realize and during as production marketing independently or use, also can be stored in one using the form of software function moduleIn computer read/write memory medium.
The above-mentioned storage medium of mentioning can be read-only storage, disk or CD etc.
In the description of this description, reference term " embodiment ", " some embodiment ", " example ", " specifically showExample " or the description of " some examples " etc. the specific features that means to describe in conjunction with this embodiment or example, structure, material orPerson's feature is contained at least one embodiment of the present invention or example. In this manual, the signal to above-mentioned termProperty statement not necessarily refers to identical embodiment or example. And, the specific features of description, structure, material orFeature can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, canUnderstand without departing from the principles and spirit of the present invention can to these embodiment carry out multiple variation, amendment,Replace and modification, scope of the present invention is by claims and be equal to and limit.

Claims (10)

1. a control device for coin washer, is characterized in that, comprising:
Water intaking valve;
Testing circuit, for obtaining the information of inserting coins;
Weighing circuit, described weighing circuit is connected with the motor of described coin washer, for according to described motorInduced electromotive force output pulse signal;
Controller, described controller is connected with described testing circuit and weighing circuit respectively, described controller according to described inThe Information Selection of inserting coins program for washing, and judge described coin washer bucket undergarment according to the quantity of described pulse signalWeight, and determine inflow according to the weight of described clothing, and according to water intaking valve described in described inflow control,And carry out described program for washing.
2. the control device of coin washer as claimed in claim 1, is characterized in that, described weighing circuit bagDraw together:
The first diode and the second diode, the anode of described the first diode is connected with the reversion coil of described motor;
The first resistance and the second resistance, one end of described the first resistance is connected with the positive switch coil of described motor, and describedOne end of two resistance is connected with Zheng's switch coil of described motor;
Optocoupler, the first input end of described optocoupler respectively with the negative electrode of described the first diode and the negative electrode of the second diodeConnect, the second input of described optocoupler respectively with the other end of the anode of described the second diode, the first resistance and theThe other end of two resistance connects, the first output head grounding of described optocoupler;
The first triode, the base stage of described the first triode is connected with the second output of described optocoupler, and the described the 1The colelctor electrode of utmost point pipe is connected with described controller, the grounded emitter of described the first triode, described base stage and described lightBetween the second output of coupling, there is first node;
The 3rd resistance, the 4th resistance and the 5th resistance, one end of described the 3rd resistance is connected with the first default power supply, instituteThe other end of stating the 3rd resistance is connected with described first node, and one end of described the 4th resistance is connected with described first node,The other end ground connection of described the 4th resistance, one end of described the 5th resistance and the described first default power supply are connected, and described theThe other end of five resistance is connected with the colelctor electrode of described the first triode.
3. the control device of coin washer as claimed in claim 1, is characterized in that, described control devicePower supply circuits comprise:
Transformer module, described transformer module is electrically connected with city;
Rectification module, described rectification module is connected with described transformer module, and described rectification module comprises rectifier bridge,One divider resistance and the second divider resistance, one end of the first divider resistance is by the of the 3rd diode and described rectifier bridgeOne output connects, and the other end of described the first divider resistance is connected with one end of described the second divider resistance, and described theThe other end of two divider resistances is connected with the second output of described rectifier bridge, described the first divider resistance and described secondBetween divider resistance, there is Section Point;
Voltage stabilizing module, described Voltage stabilizing module is connected with described rectification module, and described Voltage stabilizing module is exported respectively two-way power supplySignal.
4. the control device of coin washer as claimed in claim 3, is characterized in that, described Voltage stabilizing module bagDraw together:
Voltage regulation unit, the first input end of described voltage regulation unit is connected with the first output of described rectification module, described inThe second input of voltage regulation unit is connected with the second output of described rectification module;
The first electric capacity, one end of the first electric capacity is connected with the output of described voltage regulation unit, another of described the first electric capacityEnd is connected with the second output of described rectification module;
The first electrochemical capacitor, one end of described the first electrochemical capacitor is connected with the output of described voltage regulation unit, and describedThe other end of one electrochemical capacitor is connected with the second output of described rectification module;
The 4th diode and the 5th diode, described the 4th anode of diode and the output of described voltage regulation unit are connected,Described the 4th diode is exported the first power supply signal and is powered, the anode of described the 5th diode and described voltage regulation unitOutput connect, described the 5th diode output second source signal is powered.
5. the control device of coin washer as claimed in claim 4, is characterized in that, also comprises:
Zero cross detection circuit, for every Preset Time, the power supply signal of described power supply circuits being carried out to zero passage detection, instituteStating zero cross detection circuit comprises:
The second triode, the base stage of described the second triode is connected with described Section Point, described the second triodeGrounded collector, the emitter stage of described the second triode is connected with described controller;
The 6th resistance, one end of described the 6th resistance is connected with the emitter stage of described the second triode, and the described the 6thThe other end of resistance is connected with the negative electrode of described the 4th diode.
6. the control device of coin washer as claimed in claim 5, is characterized in that, also comprises:
Memory circuit, described memory circuit is connected with described controller, and described controller judges according to zero passage detection resultWhether there is powered-off fault, and in the time there is powered-off fault, by the running state information storage of described coin washerIn described memory circuit.
7. the control device of coin washer as claimed in claim 6, is characterized in that, described controller is also usedIn after described coin washer powers on, transfer the described running state information in described memory, and according to instituteState running state information and continue to carry out described program for washing.
8. the control device of coin washer as claimed in claim 7, is characterized in that, also comprises:
Warning circuit, described warning circuit is connected with described controller, after described program for washing finishes, described controlDescribed in device control processed, warning circuit carries out alarm.
9. the control device of coin washer as claimed in claim 1, is characterized in that, also comprises:
Program updates circuit, described program updates circuit is connected with described controller, for described program for washing is carried outUpgrade.
10. a coin washer, is characterized in that, comprises the control device as described in claim 1-9 any one.
CN201410631169.7A 2014-11-10 2014-11-10 Coin-feed washing machine and control device thereof Pending CN105648707A (en)

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