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CN2414085Y - Double-tub fully automatic washing machine - Google Patents

Double-tub fully automatic washing machine Download PDF

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CN2414085Y
CN2414085Y CN99238411.7U CN99238411U CN2414085Y CN 2414085 Y CN2414085 Y CN 2414085Y CN 99238411 U CN99238411 U CN 99238411U CN 2414085 Y CN2414085 Y CN 2414085Y
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triode
resistor
circuit
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张道乡
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract

双桶全自动洗衣机,它是在普通半自动双桶洗衣机的基础上,既不改变原机型,又不破坏原功能,增加一系列的自动控制电路即可实现半自动、全自动的工作,洗涤桶的控制电路是由启动开关、进水、水位控制、电子定时、排水、时间水位变换、光电检测、洗衣粉自投、主控、冲沫涮洗、报警、显示十二部分电路组成;脱水桶控制电路是由启动开关、电子定时、报警稳态,显示四部分电路构成。

Figure 99238411

Double-tub fully automatic washing machine, it is on the basis of ordinary semi-automatic double-tub washing machine, without changing the original model, and without destroying the original function, adding a series of automatic control circuits can realize semi-automatic and fully automatic work. The control circuit is composed of twelve parts: start switch, water intake, water level control, electronic timing, drainage, time water level change, photoelectric detection, self-injection of washing powder, main control, foam washing, alarm, and display; The control circuit is composed of four parts: start switch, electronic timing, alarm steady state and display.

Figure 99238411

Description

The twin-tub automatic washing machine
The utility model relates to a kind of twin-tub automatic washing machine, specifically it is on the basis of former common semi-automatic two-tub washing machine, neither change former type, do not destroy former function again, add and load onto the twin-tub automatic washing machine that a series of automatic control circuits just can become a kind of perfect semi-automatic, full-automatic compatibility.
At present, washing machine has entered huge numbers of families, and using more is exactly common semi-automatic two-tub washing machine because it not only capacity is big, and good reliability, endurance, cheap, so be subjected to liking of users deeply always.Middle and high shelves automatic washing machine, price is expensive, and general wage-earners and numerous town dwellers can not accept economically.Therefore, common semi-automatic two-tub washing machine occupies very big share in market sale, if adopt the technical solution of the utility model again, existing semi-automatic two-tub washing machine is transformed, and will be subjected to the welcome of more users.
The purpose of this utility model provides a kind of twin-tub automatic washing machine, and it is to improve design on original common automanual basis, does not promptly change former machine shape, does not destroy former function again, not only can semi-automaticly use, and also can automatically use.
The novel purpose of this use is achieved in that at first the control circuit of washtub is to pass through relay K by the starting switch circuit 3Normally opened contact haul oneself willingly into circuit and be connected, and be connected with warning circuit by its normally-closed contact again with water inlet circuit, water-level control circuit, time water level translation circuit, washing powder; The water inlet circuit passes through resistance R 4Be connected with water-level control circuit, the water inlet circuit also passes through relay K 1 (2)The normally opened contact of group contact is connected with electronic timing circuit and photoelectric detective circuit, and is connected with time water level translation circuit by its normally-closed contact again; Electronic timing circuit passes through relay K 4Normally opened contact be connected with draining circuit and photoelectric detective circuit; Photoelectric detective circuit passes through relay K 10Normally opened contact be connected with governor circuit; Washing powder is hauled oneself willingly into circuit and is passed through resistance R 61Be connected with electronic timing circuit, be connected with electronic timing circuit by prewashing/non-prewashing change-over switch again; Rinse towards foam and to wash circuit and pass through resistance R 136Be connected with governor circuit; Warning circuit is by isolating diode D 27Be connected with governor circuit; Display circuit passes through resistance R 120Be connected with warning circuit, pass through relay K again 1 (2)The normally-closed contact of group contact is connected with the water inlet circuit, passes through resistance R again 117Be connected with the starting switch circuit, pass through relay K again 4often open, normally-closed contact is connected with electronic timing circuit; Secondly the dehydration barrel control circuit is to pass through relay K by the starting switch circuit 13often open, normally-closed contact is connected with electronic timing circuit; Electronic timing circuit passes through resistance R 100Be connected with the warning steady-state circuit; The warning steady-state circuit passes through V 64The colelctor electrode of triode is connected with the starting switch circuit; Display circuit passes through resistance R 151Be connected with electronic timing circuit, pass through relay K again 13Normally opened contact be connected with the starting switch circuit.Water-level control circuit in the described washtub control circuit is by anti-interference capacitor C 1Positive pole meet V 1The base stage of triode, minus earth; Resistance R 1One termination triode V 1Base stage, other end ground connection; Zener diode ZD 1Anode meet triode V 1Base stage, negative electrode and resistance R 2An end be connected; R 2The positive 12V of another termination; Resistance R 3The positive 12V of a termination, the other end and triode V 1Colelctor electrode V 2The base stage of triode is connected; Anti-interference capacitor C 2Positive pole and V 1The colelctor electrode of triode, V 2The base stage of triode is connected, minus earth; Triode V 2Emitter stage and isolating diode D 1Anode be connected, colelctor electrode passes through resistance R 4Be connected with the water inlet circuit; Isolating diode D 1Negative electrode and Zener diode ZD 1Negative electrode be connected; The level sensor probe is connected on Zener diode ZD 1With isolating diode D 1Resistance R 2Tie point place between the three.Electronic timing circuit is by delay capacitor C in the described washtub control circuit 8Positive pole and triode V 9Base stage be connected minus earth.Triode V 9Colelctor electrode and triode V 10Colelctor electrode be connected, and together be connected to positive 12V; V 9The emitter stage of triode and V 10The base stage of triode is connected; V 10The emitter stage of triode and Zener diode ZD 10Negative electrode be connected; ZD 10Anode and diode D 14Anode be connected; D 14Negative electrode and resistance R 21An end and resistance R 22An end be connected; Resistance R 21Other end ground connection; Resistance R 22The other end and anti-interference capacitor C 9Positive pole and triode V 11Base stage be connected; Capacitor C 9Negative pole and triode V 11Grounded emitter; Relay K 4One end of coil and triode V 11Colelctor electrode be connected the positive 12V of another termination; Sustained diode 15Negative electrode meet positive 12V, anode is connected to V 11The colelctor electrode of triode; V 12The base stage of triode is passed through resistance R 23Be connected to V 11The colelctor electrode of triode, V 12The emitter stage of triode meets positive 12V, and colelctor electrode passes through resistance R 25Be connected to V 11The base stage of triode; Resistance R 18One terminates at V 9The base stage of triode, the other end is connected to resistance R 137An end; Resistance R 137The positive 12V of another termination; Triode V 13Grounded emitter, base stage is passed through resistance R 20Be connected to relay K 1 (2)The normally-closed contact of group contact, colelctor electrode passes through resistance R 19Be connected to V 9The base stage of triode; Resistance R 26The positive 12V of one termination, the other end is connected to V 14The colelctor electrode of triode; V 14The grounded emitter of triode, base stage is passed through resistance R 29Be connected to triode V 15Colelctor electrode; Resistance R 27The positive 12V of one termination, the other end is connected to V 15The colelctor electrode of triode; V 15The grounded emitter of triode, base stage is passed through resistance R 30Be connected to V 14The colelctor electrode of triode; Zener diode ZD 6Anode be connected in V 77The base stage of triode, negative electrode and capacitor C 10Positive pole and resistance R 28An end connect; Capacitor C 10Minus earth: resistance R 28The other end be connected to V 15The colelctor electrode of triode; V 77The grounded emitter of triode, colelctor electrode is connected to relay K 6One end of coil; Relay K 6The positive 12V of another termination of coil; Sustained diode 13Anode be connected to V 77On the colelctor electrode of triode, negative electrode meets positive 12V; V 78The emitter stage of triode meets positive 12V, and base stage is passed through resistance R 32Be connected to V 77The colelctor electrode of triode, V 78Transistor collector passes through resistance R 34With capacitor C 12Positive pole and Zener diode ZD 7Negative electrode connect; Capacitor C 12Minus earth; The anode of Zener diode is connected to V 20The base stage of triode; V 20The colelctor electrode of triode is connected to V 14The base stage of triode, V 20The grounded emitter of triode; V 19The base stage of triode is passed through resistance R 31Be connected to V 77The colelctor electrode of triode, V 19The colelctor electrode of triode passes through resistance R 33Be connected to capacitor C 12Positive pole, grounded emitter; Zener diode ZD 4Anode be connected to V 17The base stage of triode, negative electrode and capacitor C 63Positive pole and resistance R 39An end connect; Capacitor C 63Minus earth; Resistance R 39The other end be connected to V 14The colelctor electrode of triode; V 17The grounded emitter of triode, colelctor electrode is connected to relay K 7One end of coil; Relay K 7The positive 12V of another termination of coil; Sustained diode 10Anode be connected to V 17On the colelctor electrode of triode, negative electrode meets positive 12V; V 16The emitter stage of triode meets positive 12V, and base stage is passed through resistance R 171Be connected to V 17The colelctor electrode of triode, V 16Transistor collector passes through resistance R 36With capacitor C 11Positive pole and Zener diode ZD 5Negative electrode be connected; Capacitor C 11Minus earth; Zener diode ZD 5Anode be connected to V 18The base stage of triode; V 18The colelctor electrode of triode is connected to V 15The base stage of triode; V 18The grounded emitter of triode; V 79The base stage of triode is passed through resistance R 38Be connected to V 17The colelctor electrode of triode, V 79The colelctor electrode of triode passes through resistance R 37Be connected to capacitor C 11Positive pole, grounded emitter; Capacitor C 6, C 7Minus earth, C 6Positive pole by soft/heavily gentle function switch S 1Be connected to capacitor C 11Positive pole, capacitor C 7Positive pole by soft/heavily gentle function switch S 1Be connected to capacitor C 12Positive pole.Electronic timing circuit is by capacitor C in the described dehydration barrel control circuit 49Minus earth, positive pole is connected to V 54The base stage of triode; Triode V 67Colelctor electrode pass through resistance R 110Be connected to V 54The base stage of triode, V 67The grounded emitter of triode, base stage is passed through resistance R 109Be connected to relay K 13Normally-closed contact; Triode V 54Colelctor electrode meet positive 12V, emitter stage is connected to triode V 55Base stage; Triode V 55Colelctor electrode meet positive 12V, emitter stage is connected to Zener diode ZD 14Negative electrode; Zener diode ZD 14Anode and resistance R 104An end and resistance R 113An end be connected; Resistance R 104Other end ground connection, resistance R 113Another termination V 56The base stage of triode; Capacitor C 48Positive pole be connected to V 56The base stage of triode, minus earth; V 56The grounded emitter of triode, colelctor electrode is connected to relay K 11One end of coil; K 11The positive 12V of another termination of relay coil; Sustained diode 39Negative electrode is connected to 12V, and anode meets V 56The colelctor electrode of triode; Triode V 57Base stage pass through resistance R 115Be connected to V 56The colelctor electrode of triode, triode V 57Emitter stage meet positive 12V, colelctor electrode passes through resistance R 116Be connected to V 56The base stage of triode; Triode V 58Base stage pass through resistance R 114Be connected to V 56The colelctor electrode of triode, V 58The grounded emitter of triode, colelctor electrode is connected to relay K 12One end of coil; K 12The positive 12V of another termination of relay coil; Sustained diode 40Negative electrode meet positive 12V, anode is connected to V 58The colelctor electrode of triode; Diode D 38Anode be connected to Zener diode ZD 14Anode, negative electrode and resistance R 105An end and resistance R 103An end be connected; Resistance R 105Other end ground connection, resistance R 103The other end be connected to V 60The base stage of triode; Capacitor C 47Positive pole be connected to V 60The base stage of triode, minus earth; V 60The grounded emitter of triode, colelctor electrode is connected to V 56The base stage of triode; Diode D 41-44Four diodes are connected in series, wherein D 41The anode of diode is connected to diode D 38Negative electrode, diode D 44Negative electrode and resistance R 101An end and resistance R 102An end be connected; Resistance R 101Other end ground connection, resistance R 102The other end be connected to V 59The base stage of triode; Capacitor C 45Positive pole be connected to triode V 59Base stage, minus earth; Triode V 59Grounded emitter, colelctor electrode is by function switch S 4When taking off (three) and triode V 60Base stage be connected when taking off (two) and triode V 62Colelctor electrode be connected; Diode D 59Anode be connected to diode D 44Negative electrode, diode D 59Negative electrode and resistance R 97An end and resistance R 98An end be connected; Resistance R 97Other end ground connection, resistance R 98The other end be connected to V 61The base stage of triode; Capacitor C 43Positive pole be connected to V 61The base stage of triode, minus earth; Triode V 61Grounded emitter, colelctor electrode is connected to V 59The base stage of triode; Diode D 45With diode D 46Be connected in series, wherein diode D 45Anode be connected to diode D 59Negative electrode, diode D 46Negative electrode and resistance R 96An end and resistance R 99An end be connected; Resistance R 96Other end ground connection, resistance R 99The other end be connected to V 62The base stage of triode; Capacitor C 44Positive pole be connected to V 62The base stage of triode, minus earth; V 62The grounded emitter of triode, colelctor electrode passes through resistance R 100Be connected with the warning steady-state circuit; Resistance R 111An end and resistance R 112One be terminated at V 54The base stage of triode, resistance R 111The other end and function switch S 3Long dislocation put and be connected resistance R 112The other end and function switch S 3Short dislocation put and be connected.
Owing to adopt such scheme, when using, promptly can semi-automaticly use, can automatically use again, and cost is low, in light weight, move easy to use.
Below in conjunction with accompanying drawing circuit composition of the present utility model and operation principle are described in further detail.
Fig. 1 is circuit theory diagrams of the present utility model.
One, washtub
The control circuit of washtub is mainly by the firing switch circuit, water inlet circuit, water-level control circuit, electronic timing circuit, draining circuit, time water level translation circuit, photoelectric detective circuit, washing powder are hauled oneself willingly into circuit, governor circuit, are rinsed towards foam and wash circuit, warning circuit, display circuit 12 parts and form.
1, firing switch circuit: this circuit mainly is by R 14～17, D 9, V 7～8, C 5Relay K 3Constitute a switch steady-state circuit.Positive 12V power supply directly is this circuit supply, when energising work, because capacitor C 5The charging effect, make V 7Pipe collector is instantaneous to be high level, V 7Manage just saturation conduction, V 8Pipe is forced to end, relay K 3Not adhesive is when the user presses starting button SW on the panel 1The time, by accompanying drawing as can be known, pass through resistance R 16Give V 8The base stage of pipe adds a negative pressure, V 8Manage just saturation conduction, V 7Pipe ends.At this moment, by resistance R 17, R 14Be V 8The base stage of pipe provides negative pressure, allows V 8Pipe is kept the state of saturation conduction, relay K 3Adhesive, its normally opened contact closure is given the water level control circuit, and washing powder is hauled oneself willingly into circuit, and time water level translation circuit is powered, and after wherein water-level control circuit obtains power supply, just carries out the into water state that is in.
2, water-level control circuit: water-level control circuit is mainly by R 1～3, C 1, C 2, ZD 1, D 1, V 1, V 2Constitute.R wherein 2Be negative feedback resistor, by accompanying drawing as can be known ,+12V power supply is added on the water-level probe by this resistance, and for water level detection circuit provides a benchmaring voltage, the work so that further fixed level detects changes its resistance, can change the sensitivity of water-level control circuit.ZD 1, C 1, R 1, V 1Form water level detection circuit here, when water-level probe does not contact the water surface, Zener diode ZD 1Puncture conducting, make V 1Pipe obtains positive bias and conducting, and its colelctor electrode is V 2The base stage positive bias of pipe is shorted to ground, V 2Pipe is forced to be in cut-off state, and when water-level probe touched the water surface, added voltage can be carried out dividing potential drop by water on the probe, and voltage after partial is well below Zener diode ZD 1Puncture the threshold voltage of conducting, Zener diode ZD 1Just end V 1The base stage of triode also is in cut-off state because of losing positive bias-voltage.At this moment, positive 12V power supply passes through resistance R 3Give V 2The base stage of pipe provides positive bias-voltage, V 2The pipe conducting, its colelctor electrode passes through resistance R 4The water inlet information of putting in place is passed to into water circuit, allow the water inlet circuit close water intaking valve, stop into water.
3, water inlet circuit: the water inlet circuit is mainly by R 4, R 5, C 3, D 2, D 5, V 3, V 4Relay K 1, K 2Form, wherein triode V 4Emitter stage be by the switch relay K in the starting switch circuit 3Normally opened contact power supply, by accompanying drawing as can be known, when being in into the water state, V 4Guarantee adequate food and conducting relay K 2Adhesive, its normally opened contact closure is the water intaking valve power supply.When water-level probe contacts with the water surface, because the switching tube V in the water-level control circuit 2Conducting, its colelctor electrode passes through resistance R 4Give V 3The base stage of pipe adds a negative pressure, V 3Guarantee adequate food and conducting relay K 1Adhesive.Simultaneously, its colelctor electrode passes through resistance R 5, give V 4The pipe base stage adds back-pressure, V 4Pipe ends, relay K 2Discharge, into water is closed, is stopped in the water intaking valve outage.Because relay K 1Adhesive, its K 1(1) group and K 1(2) the normally opened contact closure of group contact, V 3The base stage of pipe is passed through resistance R 6, K 1(1) normally opened contact of group contact obtains a stable negative pressure to ground, carries out the self-insurance conducting.K 1(2) normally opened contact of group contact is just powered for electronic timing circuit and photoelectric detective circuit.
4, electronic timing circuit: electronic timing circuit mainly is made of electronic delay circuit and motor positive inversion control circuit two parts.
(1) electronic delay circuit: electronic delay circuit is mainly by R 18, R 20～23, R 25, R 137, C 8～9V9～13, ZD 10, D 14～15Relay K 4Form.
This electronic delay circuit, the time of time-delay is subjected to the control of program transformation, that is: when the master washes, delayed time 15 minutes, time-delay is 6 minutes during the program of rinsing and prewashing, and time-delay is 2 minutes when foam is rinsed the program of washing, the variation of its delay time is to realize by the resistance that changes charging resistor.Now, analyze its operation principle by 15 minutes situation of time-delay.By accompanying drawing as can be known, because the relay K in the water inlet circuit 1Adhesive, the K that it is closed 1(2) group normally opened contact is the electronic delay circuit power supply, and power supply is through resistance R 137, R 18To capacitor C 8Slowly charge.The charge variation of slow voltage is through V 9With V 10Carry out compound amplification, amplify the back from V 10The output of pipe emitter stage is when charging voltage reaches Zener diode ZD 10During the door breakdown voltage, ZD 10Just conducting, and by diode D 14, resistance R 22Give V 11The transistor base power supply, V 11Conducting, relay K 4Adhesive is here for improving K 4The speed of instantaneous adhesive, and be provided with a buffering amplifying triode V 12, can make relay K 4Adhesive rapidly, V 13Be the discharge reduction pipe, when the water inlet program, by K 1Relay K 1(2) normally-closed contact of group contact passes through R 20Give V 13The base stage power supply, V 13The pipe conducting is delay capacitor C 8The electric charge that is filled bleeds off rapidly.
(2) motor positive inversion control circuit: this circuit is mainly by R 26～34, R 36～39, V 14～20, V 77～79, ZD 4～7, D 10, D 13, C 11, C 6, C 7, C 10, C 12, C 63, S 1Relay K 6, K 7Constitute.
Its required power supply is by time-delay relay K 4Normally-closed contact supply with, in conjunction with the accompanying drawings as can be known, when motor turns left, at first by V in the steady-state circuit 14Conducting, V 15During the state that ends, V 15The colelctor electrode of pipe passes through resistance R 28To C 10ZD was charged for 4 seconds in charging 6Zener diode punctures conducting, gives V 77The power supply of pipe base stage, V 77Manage just saturation conduction, relay K 6Adhesive, its normally opened contact closure is the washing motor power supply, this motor begins to turn left.V 77Guarantee adequate food and conducting after, pass through resistance R again 32Give V 78The pipe base stage adds negative pressure, V 78Manage just saturation conduction, its colelctor electrode output voltage passes through resistance R 34To C 12Charging, charge 10 seconds (when softly washing) or 15 seconds (during heavily gentle washing), Zener diode ZD 7Puncture conducting, V 20Just conducting immediately of pipe, its colelctor electrode is V in the steady-state circuit 14The base voltage of pipe, clamper is to ground, V 14Pipe ends, V 15The pipe conducting, bistable circuit upset, V 77The outage of pipe base stage, and end, colelctor electrode recovers high level and passes through resistance R 31Give V 19The pipe base stage adds forward bias, V 19Guarantee adequate food and conducting, its colelctor electrode passes through resistance R 33C 12On the electric charge that filled bleed off over the ground rapidly, for the next cycle time-delay ready.Because V 77Pipe ends, relay K 6Discharge, motor stops to turn left, again owing to V in the steady-state circuit 14Pipe ends, and its colelctor electrode recovers high level, and passes through resistance R 39To C 63Charging was charged to for 4 seconds, Zener diode ZD 4Just breakdown conducting, thus make V 17Guarantee adequate food and conducting relay K 7Adhesive, washing motor just begin to turn right.The circuit working principle of the operation principle of following circuit during with above-mentioned left-hand rotation is identical, repeats no more, and like this, two rotating delay control circuits go round and begin again under the cooperation of steady-state circuit, alternately work down.
In electronic timing circuit, time-delay relay K 4The time-delay just adhesive immediately after (during main washing 15 minutes, during the prewashing rinsing 6 minutes, rinsed when washing 2 minutes towards foam) that puts in place, its normally-closed contact disconnects the power supply that stops motor positive inversion control circuit.Its closed normally opened contact is to the draining circuit, and the delay circuit in the photoelectric detective circuit is powered.
5, draining circuit, draining circuit mainly are made up of draining executive circuit and draining delay circuit two parts.
(1) draining executive circuit: the draining executive circuit is mainly by V 80, R 13, D 8The draining relay K 5Constitute the V in electronic timing circuit 11Guarantee adequate food and conducting time-delay relay K 4During adhesive, just give V 80The pipe base stage is passed through resistance R 13Add negative pressure, V 80Manage just saturation conduction, relay K 5Adhesive, its normally opened contact closure for the power supply of draining magnet coil, armature attract, affects on the draining valve and carries, and realizes draining.
(2) draining delay circuit: this circuit is mainly by D 4, D 3, ZD 2, ZD 3, D 55, R 7～11, C 4, V 5, V 6Form.V 5, V 6Pipe is formed a delay lock circuit, when being in hull-borne, and time-delay relay K 4The normally opened contact closure, give V 6The pipe base stage is passed through R 8, ZD 3, add forward bias, V 6Manage just saturation conduction.Power supply is at first to C 4And pass through R 7, V 6The colelctor electrode of pipe to emitter stage charges to ground, charging time-delay 3 minutes, capacitor C 4The voltage of negative terminal drops to Zener diode ZD 2The puncture threshold voltage, ZD 2Just conducting, diode V 5Base stage just obtain certain bias voltage and conducting, the voltage of its colelctor electrode output divides two-way, leads up to diode D 4Be added to into V in the water circuit 3The base stage of pipe makes V 3Pipe is forced to end, relay K 1Discharge K 2Adhesive immediately is that water intaking valve is kept supplying electricity, and is in into water state.R is then passed through on another road 10Be added to V 6The base stage of pipe is given V 6The base stage of pipe adds a stable forward bias, thereby carries out the self-insurance conducting, directly causes into K in the water circuit 1Relay discharges, K 2Till the relay adhesive.At K 1After relay discharges, its normally-closed contact closure, and pass through D 55Give V 5Base stage add a back-pressure, carry out release and reset V 5, V 6Pipe just is in cut-off state.R wherein 9, D 3It is capacitor C 4Discharge loop.
6, time water level translation circuit: this circuit is mainly by R 40～59, R 62, C 13～17, C 19～20, D 11～12, D 56～58, ZD 8, ZD 9, V 21～29, V 81, V 37Relay K 8Form.Its working condition is divided two kinds: a kind of is work under the prewashing situation, and another kind is the work under the non-prewashing situation.(1) work under the non-prewashing situation: at first by non-prewashing/prewashing function switch, switch to non-prewashing position, an end of time water level translating relay is connected to V 27The colelctor electrode of triode it is pointed out that here time water level translating relay is by two groups of contact K 8(1) group contact, K 8(2) group contact, the conversion of water level is to be connected to K 8(2) the group contact is normally closed, and the conversion of time is to be connected to K 8(1) the group contact often opens.Also it is pointed out that V 37The base stage of pipe is to pass through R 62Be connected to washing powder and haul oneself willingly into bistable circuit V in the circuit 31The colelctor electrode of pipe, this bistable circuit at first is V when energising 31The pipe conducting, V 30End, because V 31The pipe conducting, its current collection is high level very, is V 37The pipe base stage adds a back-pressure, V 37Pipe is forced to end, again because V 27The base stage of pipe is to pass through ZD 9, R 58, D 56With V 37The colelctor electrode of pipe links and powers.Therefore, V 37When pipe ends, V 27Pipe also ends, thereby makes time, water level translating relay K 8Not adhesive, its K 8(2) the group normally-closed contact is closed, K 8(1) the group normally opened contact disconnects.Can decide water prode and just pass through K 8(2) group normally-closed contact, when main program of washing, the water level information that provides the user to set to this machine water-level control circuit.Simultaneously, the delay capacitor C in the electronic timing circuit 8Charge power supply, in main program of washing, have only R 137Provide separately, delay time is 15 minutes, finishes at main washing procedure, and during draining, upset has taken place the bistable circuit of hauling oneself willingly in the circuit owing to washing powder, i.e. V 30Conducting, V 31End, its colelctor electrode jumps to low level by high level, gives V 37The pipe base stage has added certain negative pressure, V 37The pipe conducting, V 27Pipe also carries out conducting, relay K 8Adhesive, its K 8(2) normally-closed contact of group disconnects, thereby the water-level control circuit of the probe of user's designated water level and this machine is disconnected.At this moment, the peak level probe will be arranged, promptly fixedly water-level probe carries out the water level information detection, sends mainboard back to.K 8(1) Zu normally opened contact closure is by R 24, R 137Be the delay capacitor C in the electronic timing circuit jointly 8Charge power supply is provided, and delay time is 6 minutes, and this has just realized under the situation of non-prewashing, the purpose of time water level conversion.
(2) work under the prewashing situation is at first by prewashing/non-prewashing function switch, relay K 8A termination to the V in steady-state circuit 32The colelctor electrode of pipe is by the starting switch relay K 3Normally opened contact be V 22The colelctor electrode of pipe, V 21The emitter stage of pipe, and relay K 8, resistance R 50, R 48, R 49Triode V 23, V 24Capacitor C 16The bistable circuit of forming is powered.When in a single day steady-state circuit obtains powering, because capacitor C 16Instantaneous charging effect, V 23Manage at first conducting, V 24Pipe is forced to end, relay K 8Just adhesive, thus the time-delay wash time was transformed to 6 minutes, the water inlet water level is transformed to peak level.
When prewash procedure finished draining, the steady-state circuit that washing powder is hauled oneself willingly in the circuit overturn, thereby makes V 37The pipe conducting, the voltage of its colelctor electrode output divides three the tunnel, the one tunnel to be sent to V 81The emitter stage of pipe.Lead up to R 57Be sent to V 27The colelctor electrode of pipe passes through R again 56Be sent to V 28The base stage of pipe.Lead up to D 56, D 58, ZD 9Be sent to V 27The base stage of pipe.V 28The base stage of pipe obtains a forward voltage, and just saturation conduction is the V in the steady-state circuit 23The base voltage clamper of pipe is to ground, V 23Pipe ends, V 24The pipe conducting, relay K 8Discharge.Thereby the water inlet water level is transformed to the water level that the user sets, the time-delay wash time was transformed to 15 minutes, lead and wash.And at V 282 seconds after the pipe conducting, V 27The pipe conducting, what here need to indicate is V 27Pipe is the time-delay conducting, by R 58, C 24, ZD 9Form one 2 second delay circuit, make V 27The pipe conducting of delaying time.V 27After the pipe conducting, V 28The added forward voltage clamper of pipe base stage is to ground, V 28Pipe just ends.That here also need to propose is V 29Pipe, its base stage forward bias are by the K in the water inlet circuit 1The K of relay 1(2) normally-closed contact of group contact passes through R 47, ZD 8Supply with, when finishing at prewash procedure, when being in into the water state, V 29The pipe conducting.Because V 81The base stage negative pressure of pipe is by V 29The colelctor electrode of pipe passes through R 45Provide, so work as V 29When pipe is in conducting state, V 81Pipe also is in conducting state.The voltage that its colelctor electrode is exported passes through R 44Be added to by R 40～44, C 17, V 22, V 21On the monostable circuit of forming, for this monostable circuit provides the starting resistor of a saturation conduction, V 22, V 21Just saturation conduction is kept in self-insurance mutually.Capacitor C 17Mainly play anti-interference effect here, prevent that this monostable circuit from misleading.V wherein 21Guarantee adequate food and conducting after, the voltage that its colelctor electrode is exported, telling one the tunnel is V 25The power supply of pipe emitter stage, V 25The required conducting negative pressure of pipe base stage is by V 26Pipe collector passes through R 54Provide.And V 26The required conduct positive voltage of pipe base stage is by the time-delay relay K in the electronic timing circuit 4Normally opened contact provide.When main washing procedure finishes draining, time-delay relay K 4Adhesive, V 26The pipe conducting, V 25Also conducting immediately of pipe, the voltage that its colelctor electrode is exported passes through R 52, isolating diode D 12Be added to bistable circuit V 23The base stage of pipe, V 23The pipe conducting, V 24Pipe ends, relay K 8Adhesive, thus this steady-state circuit is overturn again.Because relay K 8Adhesive transforms to peak level to the water inlet water level again, and the time-delay wash time was transformed to 6 minutes, carries out rinsing, causes in rinsing several times, goes decision by photoelectric detective circuit, and the roughly working condition of whole time water level translation circuit comes to this.
7, photoelectric detective circuit: this circuit is mainly by photoelectric detector, the pulse radiating circuit, and pulse receiving circuit, the time-delay testing circuit, four parts are formed.
(1) photoelectric detector mainly is made up of an infrared-emitting diode and an infrared receiving diode.Two diode emitting heads expose with the reception head, and its afterbody enclosed package is fixed on the plastic processing frame by certain perpendicular spacing, is installed in the bottom of washtub, near the draining valve.
(2) pulse radiating circuit: this circuit is mainly by R 69～74, C 24～25, V 74～76Constitute.R wherein 69～72, V 75～76, C 24～25Constitute an oscillator, V 75Pipe, V 76Pipe by conducting, vibrates in turn, and its frequency of oscillation is 100Hz, and output signal is from V 76The colelctor electrode of pipe takes out, and passes through resistance R 73Be added to V 74The base stage of pipe is carried out paraphase and is amplified, and the pulse voltage of its colelctor electrode output is passed through R 74Be added in the photoelectric detector on the infrared transmitting tube.
(3) pulse receiving circuit: this circuit is mainly by R 75～84, RP 1, RP 2, C 26～34, D 24～26, V 73, IC 1Constitute.The operation principle of this circuit is such; Power supply passes through R 78, R 75Be added in the photoelectric detector on the infrared receiving tube.It receives output signal by capacitor C 32Through resistance R 75Take out.The signal that takes out is through potentiometer RP 1After carrying out amplitude adjusted, again by capacitor C 34IC is given in coupling 11 pin of integrated package (being input) carries out pulse and amplifies.Amplified pulse signal is from the 4th output of this IC integrated package, through C 30Coupling, RP 2Potentiometer carries out after the amplitude adjusted again through C 31Be coupled to signaling conversion circuit, by D 26, D 25, C 33Form a signaling conversion circuit, this circuit is IC 1The AC signal of output carries out voltage multiplying rectifier, converts a level and smooth d. c. voltage signal to, passes through R 84Be added to V 73The base stage of detector tube is amplified.It is pointed out that the power supply of whole pulse radiating circuit and pulse receiving circuit here, is by water inlet circuit relay electrical equipment K 1(2) the normally opened contact power supply of group contact, the K in the water inlet circuit 1(i.e. water inlet finishes in the relay adhesive, when washing), this pulse emission and pulse receiving circuit just participate in work, for the main circuit of visiting provides detection information, cause in the getting in touch of this detection information and governor circuit, carry out break-make control by the time-delay testing circuit in the photoelectric detective circuit.
(4) time-delay testing circuit: this circuit is mainly by D 22, D 54, R 85, R 86, C 63Relay K 10, D 23, ZD 13, V 34, V 35Constitute.The required power supply of this circuit is mainly by time-delay relay K in the electronic timing circuit 4Normally opened contact provide.Work as K 4Relay adhesive when draining (be each) keeps supplying just for this circuit.Here need to prove: detect relay K 10The other end be to pass through D 54Be connected to V in the time water level translation circuit 22The colelctor electrode of pipe is only at V 22During the pipe conducting, relay K 10Ability can adhesive.V 22The working condition of pipe is such, no matter first program be main wash might as well, be prewashing might as well, this pipe all is in cut-off state, only (leads and washes or rinsing) this pipe and just be in conducting when second EP (end of program) draining.Because first program does not have the meaning of detection,, in this case, just time-delay is detected relay K so do not need to detect 10Adhesive be designed to be subjected to the control of time water level translation circuit.Whenever washing machine second EP (end of program), during draining, V 34Manage just saturation conduction, relay K 10Just adhesive by its normally opened contact, is given the system master circuit this detection information, and governor circuit is made a return journey according to this information and determined the pass of rinsing automatically.When detecting the relay adhesive, by V 35Pipe and ZD 13, C 63, R 86The delay circuit of forming is also carrying out work.Capacitor C at first 63Pass through R 86Charge, when being charged to for 5 seconds, reached Zener diode ZD 13During the threshold voltage that punctures, V 35Manage just saturation conduction.The voltage of its colelctor electrode output is added to V 34The base stage of pipe, V 34Pipe obtains back-pressure and is forced to end, relay K 10Discharge, disconnected getting in touch of detection information and governor circuit.Diode D 23It is capacitor C 63Discharge loop, be next draining, carry out the preparation that time-delay detects.
8, washing powder is hauled oneself willingly into circuit: this washing powder is hauled oneself willingly into circuit mainly by bistable circuit, and delay circuit, executive circuit three parts are formed.
(1) bistable circuit: this steady-state circuit is mainly by R 65～68, C 22, V 30, V 31And R arranged 60, R 61, ZD 12, V 36The stable state reverse control circuit of forming constitutes.Stable state reverse control circuit V 36The conducting of pipe is to be subjected to time-delay relay K in the electronic timing circuit 4Normally opened contact control, when washing machine carries out draining, K 4The relay adhesive, V 36The pipe conducting is by its collector resistance R 60Give V in the steady-state circuit 30The pipe base stage adds a negative pressure, V 30Manage just saturation conduction, V 31Pipe ends, the bistable circuit upset.What here need to indicate is this bistable circuit, all is at washing machine first program to be finished, and during draining, overturns.This is under the situation of prewashing function, realizes when entering main washing procedure that washing powder is hauled oneself willingly into and a kind of circuit of being provided with, and promptly when the EP (end of program) draining of prewashing, this steady-state circuit upset is from V 30Pipe collector is exported a voltage by isolating diode D 21Be added to delay circuit, treat that draining finishes, water inlet end, when main washing procedure began, realization washing powder was hauled oneself willingly into.
(2) delay circuit: this circuit is mainly by D 18～21, ZD 11, C 35, C 23, R 63, R 64, R 147, R 146, V 33, V 38Constitute.The power supply that this delay circuit needs is the branch two-way, and one the tunnel is by time-delay relay K in the electronic timing circuit 4Normally-closed contact supply with, the one tunnel is to be provided by bistable circuit.Its delay working situation is divided two kinds: (A) main time-delay of washing under the function situation, at first prewashing/non-prewashing function switch is switched to non-prewashing position (the promptly main position of washing), when washing machine inflow finishes, when entering main washing procedure, power supply is by the relay K in the electronic timing circuit 4Normally-closed contact power for this delay circuit.At first power supply passes through D 48, R 64Give C 35Charge, when being charged to 2 minutes when (be washing machine washing 2 minutes), ZD 11Zener diode punctures, triode V 33Just saturation conduction.Its colelctor electrode becomes low level by high level, passes through capacitor C 23For the next stage executive circuit sends the control signal that washing powder is hauled oneself willingly into, thereby realize hauling oneself willingly into of washing powder.(B) time-delay of prewashing situation at first switches to the prewashing position to the function switch of prewashing/non-prewashing, and washing machine is in the program of prewashing, and steady-state circuit does not overturn, and delay circuit is not worked, V 33Manage not conducting.Only when prewash procedure finished draining, steady-state circuit just overturn, and passes through D 21Be the delay circuit power supply, 2 minutes V delay time 33The pipe conducting.It is to be noted that here the required power supply of executive circuit is by the time-delay relay K in the electronic timing circuit 4Normally-closed contact supply with each draining relay K 4Be adhesive, its normally-closed contact disconnects, so executive circuit do not work, and only when main washing procedure began, executive circuit obtained electricity, just works immediately, and that realizes washing powder hauls oneself willingly into V 38Pipe is a capacitor C 23, C 35The discharge original paper, after the whole system EP (end of program), the relay K in the firing switch circuit 3Just discharge, its normally-closed contact closure is passed through R 146Give V 38The pipe base stage adds a forward bias, V 38Resistance R is passed through in the pipe conducting 147, isolating diode D 18, D 20Capacitor C 23, C 35The electric charge that is filled bleeds off, and carries out zero clearing and resets, for work is once more got ready.
(3) executive circuit, this circuit is mainly by D 16, D 17, R 159, V 32Relay K 9Constitute.
V in delay circuit 33During the pipe conducting, pass through capacitor C 23, R 159Give V 32The base stage of pipe adds certain negative pressure, V 32Manage just saturation conduction, relay K 9Adhesive is the water injection valve power supply by its closed normally opened contact, and water injection valve is just sprayed water in washing magazine, the washing powder in the magazine is sent in the bucket, to realize hauling oneself willingly into of washing powder, because V 32The base stage of pipe is constantly passed through resistance R 159To capacitor C 23Charging, when being charged to a certain degree (i.e. 10 seconds), V 32The pipe base stage just can not get certain negative pressure, and is forced to end relay K 9Discharge, water injection valve just stops water spray.
9, governor circuit: governor circuit is mainly by R 141, R 134, R 135, R 133, R 130, C 57, D 29, V 81, V 82Constitute.
In fact governor circuit is exactly a bistable circuit.Its power supply is directly by the power supply of+12V power supply.When this circuit obtains powering, because capacitor C 57Effect, at first be V 81Guarantee adequate food and conducting V 82Pipe is forced to end, and its upset is to control the V in photoelectric detective circuit by the detection information that photoelectric detective circuit provides 73The colelctor electrode level of pipe hangs down when arriving to a certain degree, just passes through D 24, R 83Relay K 10Normally opened contact give V 82The base stage of pipe adds certain negative pressure, V 82Manage just conducting, V 81Pipe is by bistable circuit upset, and this governor circuit passes to this information to rinse towards foam again washes circuit, warning circuit.
10, rinse towards foam and wash circuit: this circuit is mainly by R 125～128, R 136, R 121, D 31～33, D 35, C 55, C 50, C 52, C 53, V 45, V 50, V 40, V 44And by R 122～124, R 160, C 51, V 42, V 43The bistable circuit that constitutes is formed.Should rinse the power supply of washing the bistable circuit in the circuit towards foam is by V 40Pipe passes through resistance R 136Interrelating with governor circuit provides, and V 40The emitter stage of pipe is directly by positive 12V power supply power supply.When Photoelectric Detection information, impel governor circuit upset after, V 40Manage just conducting, the voltage of its colelctor electrode output is added to bistable circuit and V 44On the emitter stage of pipe.Bistable circuit obtains electricity work, in capacitor C 51Effect under, V 43The pipe conducting, V 42Pipe ends.V 44Pipe is the upset that is used for controlling this bistable circuit.V 45Pipe and V 50It is to be used for output shutdown control signal that pipe matches, and their operation principle is such, by accompanying drawing as can be known, and V 45The power supply of pipe emitter stage is by electronic timing circuit time-delay relay K 4Normally opened contact provide, and also pass through resistance R 125, isolating diode D 33Be V 44The base stage of pipe provides back-pressure and negative pressure.Here it is to be noted when rinsing program finishes draining, the transparency that photoelectric detective circuit detects water conforms to requirement, just force the master control steady-state circuit to overturn, the master control steady-state circuit is in case upset, rinses towards foam and washes steady-state circuit and just kept supplying electricity and enter work.Since this moment, relay K 4Normally opened contact be closed, give V 44Base stage adds is back-pressure V 44Manage not conducting.When draining finishes, K 4The normally opened contact of relay disconnects, V 44Base stage just obtain certain negative pressure and conducting.The voltage of its colelctor electrode output passes through resistance R 121Isolating diode D 35Be added to V 42The base stage of pipe, this steady-state circuit overturns, V 42The pipe conducting, V 43Pipe ends.V 43Pipe collector output high level passes through resistance R 144Be added to V 50The base stage of pipe, V 50Manage just saturation conduction, its colelctor electrode is given V again 45The base stage of pipe provides the negative pressure of conducting, but in this case, the above is because V 45The power supply of pipe emitter stage is by relay K 4Normally opened contact K at this moment is provided 4Normally opened contact disconnect V 45Manage not conducting, only rinsed towards foam in 2 minutes wash finish after, during draining, K 4The normally opened contact closure, V 45The pipe conducting, the voltage of its colelctor electrode output is by isolating diode D 31Be added to switch activated circuit V 8The base stage of pipe, V 8Pipe is forced to end, V 7The pipe conducting.Switch relay just discharges, and shuts down, reports to the police.Here also it is to be noted: rinsing the time of washing towards foam is by D 37, D 36, C 56, R 139, V 39, R 138The time change circuit of forming determines.When the master control steady-state circuit overturns, by V 81The collector load resistor R of pipe 133By isolating diode D 37, resistance R 139Give V 39The base stage of pipe adds certain negative pressure, V 39Manage just saturation conduction, the voltage of its colelctor electrode output is by isolating diode D 36, resistance R 138Be added to electronic timing circuit,, further remove remaining laundry powder in the clothing, improve the cleanliness factor of washing the time change to 2 minute of washing.
11, warning circuit: this circuit mainly produces circuit by interval oscillating circuit and alert sound and constitutes.(1) interval oscillating circuit, oscillating circuit is mainly by R at interval 131, R 132, C 58～59, C 60, C 62, V 46, V 47Constitute.By accompanying drawing as can be known, when the master control steady-state circuit overturns, by isolating diode D 27, resistance R 140Give V 41Base stage added a negative pressure, V 41Pipe should saturation conduction, but V 41Emitter stage power supply be by the firing switch relay K 3Normally-closed contact provide, only at K 3After relay discharges, its normally-closed contact closure, V 41Manage just saturation conduction, the voltage of its colelctor electrode output passes through D 28Be added to oscillating circuit at interval.The interval oscillating circuit obtains electricity and carries out oscillatory work, from V 46The low-frequency pulse voltage of the colelctor electrode output of pipe is added to alert sound and produces circuit.Send rhythmical alert sound to control this circuit, inform that user's washing procedure all finishes.
(2) alert sound produces circuit: this circuit is mainly by V 48～49, R 142～143, C 61～62Constitute.V 48Pipe and V 49Pipe is by feedback resistance R 142, feedback capacity C 61Carry out self-oscillation, by V 48The colelctor electrode output signal of pipe is outwards sounded by loudspeaker.
12, display circuit, the display circuit of this machine washing bucket mainly contains standby indication (promptly shutting down indication), water inlet indication, washing indication, draining indication.Standby indication LED 1Be by V 51Pipe is controlled, and V 51The pipe base stage is passed through resistance R 120Be connected to the oscillating circuit at interval of reporting to the police, be subjected to the control of oscillating circuit at interval.When standby, this light emitting diode is lighted always, makes corresponding indication.When reporting to the police, this light emitting diode is subjected to the control of oscillating circuit at interval, and it is luminous to carry out rhythmical flicker.Water inlet indication light emitting diode is subjected to V 52Pipe and V 53The control of pipe, wherein V 52The base stage of pipe is passed through resistance R 117, Zener diode ZD 15Link to each other with the starting switch steady-state circuit, controlled by it.When this machine is in into the water state, V 53Guarantee adequate food and conducting, its colelctor electrode is given V 52The base stage of pipe has added certain negative pressure, V 52Manage just saturation conduction, the water inlet light emitting diode is lighted, and makes corresponding indication.When this machine is in the washing state, by K in the electronic timing circuit 4The normally-closed contact of relay is LED 3Light, make corresponding indication, when this machine is in hull-borne, by K in the electronic timing circuit 4The normally opened contact of relay is diode (LED) 4Light, make it make corresponding indication.
Two, dehydration barrel:
Dehydration barrel mainly is made of electronic timing circuit, starting switch circuit, warning steady-state circuit, display circuit four parts.
1, starting switch circuit: this circuit mainly contains R 106～107, V 68～69, button SW 2, SW 3, relay K 13Constitute.
In fact, the starting switch circuit is exactly a bistable circuit, the operation principle of its upset, and by accompanying drawing as can be known, positive 12V power supply directly is its power supply, when energising, because capacitor C 46Effect V 68Pipe conducting V 69Pipe ends, relay K 13Not adhesive is as user's Push switch SW 2The time, V 69The base stage of pipe is passed through resistance R 95, switch SW 2The instantaneous over the ground negative pressure that obtains, this steady-state circuit just overturns, V 69Guarantee adequate food and conducting V 68Pipe is forced to end, relay K 13Adhesive, its normally opened contact closure is electronic timing circuit power supply, wherein button SW 3Can allow this steady-state circuit turn, play the shutdown effect.
2, electronic timing circuit: this circuit is mainly by R 109～116, R 96～105, D 38, D 39～44, ZD 14, C 47～49, C 43～45, V 67, V 54～62And function switch S 3, S 4Constitute.The operation principle of this electronic timing circuit is such, and at first positive 12V power supply takes off by growing, the short function switch S that takes off 3, resistance R 122Or R 111To capacitor C 49Slowly charging, here, R 112Be short take off charging resistor, R 111Be that length is taken off charging resistor, the operation principle when length is taken off with short taking off is identical, the just asynchronism(-nization) of charging, and the duty when now taking off by weak point is introduced: capacitor C 49Be recharged, the voltage of its anode slowly rises, by V 54Pipe and V 55Pipe carries out compound amplification to the variation of this slow voltage that charges, and the voltage after the amplification is from V 55The emitter stage output of pipe is added to Zener diode ZD 14Negative terminal.Here it is pointed out that when electronic timing circuit obtains electricity work, by accompanying drawing as can be known, V 58The base stage of pipe is passed through resistance R 114From V 56Obtain high level on the colelctor electrode of pipe, and saturation conduction, relay K 12Adhesive, its normally opened contact closure is the dehydration electric motor power supply, dehydration electric motor just rotates and carries out dehydration work.Be added in Zener diode ZD 14The voltage of negative terminal constantly rises, and when reaching the threshold voltage of its puncture, this diode current flow passes through resistance R 113Be V 56The base stage of pipe provides a forward bias, V 56Manage just saturation conduction, relay K 11Adhesive, its normally opened contact closure is the water intaking valve power supply, water intaking valve is just opened water filling in dehydration barrel, carries out just take off dried clothing wetting.In relay K 11In the time of adhesive, because V 58The base stage of pipe can not get high level, and ends relay K 12Discharge, motor shuts down, and finishes 2.5 minutes dehydration first.Charging voltage continues slowly to rise, when reaching diode D 38Forward conduction voltage the time, diode D 38Just resistance R is passed through in conducting 103Be V 60The pipe base stage provides a forward bias V 60Manage just saturation conduction, its colelctor electrode is V 56The base stage forward bias of pipe is shorted to ground, V 56Pipe just ends relay K 11Discharge K 12Adhesive, water intaking valve is closed, and motor just rotates to get up to dewater again.Charging voltage continues to rise, when reaching D 41～44During conducting voltage that diode is together in series, these four diodes carry out conducting, pass through resistance R 102Give V 59The pipe base stage provides a forward bias, V 59Manage just saturation conduction.Here it is pointed out that if be to be in two work of taking off under the functional status, V at this moment 59The colelctor electrode of pipe is by functional select switch S 4, resistance R 100Give warning steady-state circuit V 89The base stage of pipe adds a negative pressure, and the warning steady-state circuit just overturns, and passes through V 64The conducting of pipe forces the starting switch steady-state circuit to overturn relay K 13Discharge, thereby realize the purpose that warning is shut down.If be to be in three work of taking off under the functional status, V at this moment 59The colelctor electrode of pipe is by functional select switch S 4V 60The forward bias of pipe base stage is shorted to V 60Pipe just ends V 56The base stage of pipe just obtains high level again and saturation conduction, relay K 11Adhesive, K 12Discharge, water intaking valve is opened in dehydration barrel again and is intake, and motor shuts down again, and charging voltage is constantly slowly rising again, and when water inlet 1 minute, charging voltage reached diode D 59Conducting voltage, diode D 59Just resistance R is passed through in conducting 98Give V 61The base stage of pipe has added a forward bias, V 61Manage just saturation conduction, its colelctor electrode is V 59The base stage forward bias of pipe is shorted to ground, V 59Pipe ends, V 60The base stage of pipe is recovered high level again and conducting, V 56The base stage forward bias of pipe is by V 60Relay K is ended to ground in the pipe wrench position 11Just discharge K 12Adhesive again, entering water electromagnetic valve stop into water, and motor rotates again, carry out triple dewatering and handle.When 3 minutes charging voltages of dehydration have just reached D 45With D 46So the conducting voltage that diode is together in series is D 45With D 46Diode is conducting just, passes through resistance R 99Give V 62The base stage of pipe has added a forward bias, V 62Manage just saturation conduction, its colelctor electrode passes through resistance R 100A upset of the steady electric attitude circuit control signal of give reporting to the police, shutdowns of reporting to the police, the dehydration barrel electronic timer comes to this and controls entering water electromagnetic valve and motor carries out alternation, and is wetting, the processed clothing, so that further improve the cleanliness factor of clothing.
3, warning steady-state circuit: this circuit is mainly by R 87～91, D 47, C 42, V 66, V 65Constitute.This warning steady-state circuit is directly by positive 12V power supply power supply, after the energising, because capacitor C 42Effect, V 65The pipe conducting, V 66Pipe ends.By accompanying drawing as can be known, under of the effect of this circuit, after overturning, pass through resistance R in control signal 93, R 92Give V 64, V 63The base stage of pipe has added a negative pressure, V 64Pipe and V 63Manage just saturation conduction, wherein V 64The colelctor electrode output voltage of pipe is added to firing switch circuit V 69On the base stage of pipe, V 69Pipe just is forced to end V 68Guarantee adequate food and conducting the upset of firing switch steady-state circuit, relay K 13Discharge, electronic timing circuit quits work, and its closed normally-closed contact passes through resistance R 109Give V 67The base stage of pipe adds forward bias, V 67Guarantee adequate food and conducting, capacitor C 49On the electric charge that filled pass through resistance R 110Bleed off over the ground, reset, for task is ready down.V 63The voltage that the colelctor electrode of pipe is exported divides two-way, leads up to isolating diode D 30Be added to the oscillating circuit at interval of reporting to the police, resistance R is passed through on another road 145Directly be added to alert sound and produce circuit, produce a kind of warning that is different from washtub.It is pointed out that also that in addition the user passes through rest button SW 4The elimination of can reporting to the police, system resets.For the work of next time is got ready.It is also passable perhaps to pull out attaching plug.
4, display circuit: this circuit mainly is made of glittering indication and non-glittering indication two parts circuit.Both carry out glittering and non-glittering indication work by a light emitting diode according to the difference of duty.
(1) non-glittering indicating circuit: this circuit is mainly by R 151, V 72Form.
When this machine is in dewatering state, triode V 58Saturation conduction, relay K 12Resistance R is passed through in adhesive 151Give V 72The base stage of pipe adds a negative pressure, V 72Guarantee adequate food and conducting, the voltage of its colelctor electrode output is LED 5Light and make the indication of corresponding work state.When this machine is in into the water wetting state, V 58Pipe ends, V 72Pipe also ends, and supply with LED by glittering oscillating circuit output voltage this moment 5, make glittering indication.
(2) glittering indicating circuit: this circuit is mainly by R 148, R 149, R 150, R 158, V 70, V 71Constitute a glittering oscillating circuit, by the starting switch relay K 13Normally opened contact be its power supply, when this machine was in into the water wetting state, non-glittering indication drove V 72Pipe ends, by V in this glittering oscillating circuit 71The colelctor electrode output oscillating impulse voltage of pipe is added to LED 5On, it is luminous to glimmer, and makes into water indication.
Three, complete machine power circuit:
This machine only adopts one group of positive 12V power supply power supply, and its power supply mainly is made up of rectification and voltage stabilizing two parts.
1, rectification circuit: this rectification circuit is mainly by diode D 49～52, capacitor C 39, C 38Constitute.The 17V low-voltage AC that transformer T is exported carries out rectification, filtering becomes a low-voltage DC.
2, mu balanced circuit: this circuit is mainly by integrated package of pressure-stabilizing IC 2, capacitor C 36, C 37Constitute.This low-voltage DC through rectifying and wave-filtering is carried out voltage stabilizing, export a stable positive 12V voltage and supply with complete machine each several part circuit.

Claims (4)

1、一种由洗涤桶和脱水桶所组成的双桶全自动洗衣机，其特征是：洗涤桶控制电路由启动开关电路通过继电器K3的常开触点与进水电路、水位控制电路、时间水位变换电路、洗衣粉自投电路相连接，并又通过其常闭触点与报警电路相连接；进水电路通过电阻R4与水位控制电路相连接，进水电路还通过继电器K1(2)组触点的常开触点与电子定时电路及光电检测电路相连接，并又通过其常闭触点与时间水位变换电路相连接；电子定时电路通过继电器K4的常开触点与排水电路及光电检测电路相连接；光电检测电路通过继电器K10的常开触点与主控电路相连接；洗衣粉自投电路通过电阻R61与电子定时电路相连接，又通过预洗／非预洗转换开关与电子定时电路相连接；冲沫涮洗电路通过电阻R136与主控电路相连接；报警电路通过隔离二极管D27与主控电路相连接；显示电路通过电阻R120与报警电路相连接，又通过继电器K1(2)组触点的常闭触点与进水电路相连接，又通过电阻R117与启动开关电路相连接，又通过继电器K4的常开、常闭触点与电子定时电路相连接；脱水桶控制电路是由启动开关电路通过继电器K13的常开、常闭触点与电子定时电路相连接；电子定时电路通过电阻R100与报警稳态电路相连接；报警稳态电路通过V64三极管的集电极与启动开关电路相连接；显示电路通过电阻R151与电子定时电路相连接，又通过继电器K13的常开触点与启动开关电路相连接。1. A double-tub fully automatic washing machine composed of a washing bucket and a dehydrating bucket is characterized in that: the washing bucket control circuit is composed of a start switch circuit, a normally open contact of a relay K3 , a water inlet circuit, a water level control circuit, and a time The water level conversion circuit is connected with the washing powder self-injection circuit, and is connected with the alarm circuit through its normally closed contact; the water inlet circuit is connected with the water level control circuit through the resistor R4 , and the water inlet circuit is also connected through the relay K1 (2 ) The normally open contact of the group contact is connected with the electronic timing circuit and the photoelectric detection circuit, and is connected with the time water level conversion circuit through its normally closed contact; the electronic timing circuit is connected with the drainage through the normally open contact of relay K4 circuit and photoelectric detection circuit; the photoelectric detection circuit is connected with the main control circuit through the normally open contact of relay K 10 ; the washing powder self-injection circuit is connected with the electronic timing circuit through resistance R 61 , and the The washing changeover switch is connected with the electronic timing circuit; the foam washing circuit is connected with the main control circuit through the resistance R 136 ; the alarm circuit is connected with the main control circuit through the isolation diode D 27 ; the display circuit is connected with the alarm circuit through the resistance R 120 Connected, and connected to the water inlet circuit through the normally closed contact of relay K 1 (2) group contacts, connected to the start switch circuit through resistor R 117 , and connected to the normally open and normally closed contacts of relay K 4 It is connected with the electronic timing circuit; the dehydration bucket control circuit is connected with the electronic timing circuit through the normally open and normally closed contacts of the relay K 13 by the start switch circuit; the electronic timing circuit is connected with the alarm steady state circuit through the resistor R 100 ; The alarm steady-state circuit is connected to the start switch circuit through the collector of the V 64 triode; the display circuit is connected to the electronic timing circuit through the resistor R 151 , and connected to the start switch circuit through the normally open contact of the relay K 13 . 2、根据权利要求1所述的双桶全自动洗衣机，其特征是：洗涤桶控制电路中的水位控制电路是由抗干扰电容C1的正极接V1三极管的基极，负极接地；电阻R1一端接三极管V1的基极，另一端接地；稳压二极管ZD1的阳极接三极管V1的基极，阴极与电阻R2的一端相连接；R2的另一端接正12V：电阻R3的一端接正12V，另一端与三极管V1的集电极V2三极管的基极相连接；抗干扰电容C2的正极与V1三极管的集电极、V2三极管的基极相连接，负极接地；三极管V2的发射极与隔离二极管D1的阳极相连接，集电极通过电阻R4与进水电路相连接；隔离二极管D1的阴极与稳压二极管ZD1的阴极相连接；水位传感探头接在稳压二极管ZD1与隔离二极管D1电阻R2三者之间的连接点处。2. The double-tub fully automatic washing machine according to claim 1, characterized in that: the water level control circuit in the washing tub control circuit is connected by the positive pole of the anti-interference capacitor C1 to the base of the V1 triode, and the negative pole is grounded; 1. One end is connected to the base of triode V1 , and the other end is grounded; the anode of Zener diode ZD1 is connected to the base of triode V1 , and the cathode is connected to one end of resistor R2 ; the other end of R2 is connected to positive 12V: resistor R One end of 3 is connected to positive 12V, the other end is connected to the collector of triode V1 and the base of V2 triode; the positive pole of anti-interference capacitor C2 is connected to the collector of V1 triode and the base of V2 triode, and the negative pole Grounded; the emitter of the triode V2 is connected to the anode of the isolation diode D1 , and the collector is connected to the water inlet circuit through the resistor R4 ; the cathode of the isolation diode D1 is connected to the cathode of the Zener diode ZD1 ; the water level transmission The sensing probe is connected to the connection point between the Zener diode ZD 1 and the isolation diode D 1 and the resistor R 2 . 3、根据权利要求1所述的双桶全自动洗衣机，其特征是：洗涤桶控制电路中电子定时电路是由延时电容C8的正极与三极管V9的基极相连接，负极接地。三极管V9的集电极与三极管V10的集电极相连接，并一同接于正12V；V9三极管的发射极与V10三极管的基极相连接；V10三极管的发射极与稳压二极管ZD10的阴极相连接；ZD10的阳极与二极管D14的阳极相连接；D14的阴极与电阻R21的一端及电阻R22的一端相连接；电阻R21的另一端接地；电阻R22的另一端与抗干扰电容C9的正极及三极管V11的基极相连接；电容C9的负极及三极管V11的发射极接地；继电器K4线圈的一端与三极管V11的集电极相连接，另一端接正12V；续流二极管D15的阴极接正12V，阳极接于V11三极管的集电极；V12三极管的基极通过电阻R23接于V11三极管的集电极，V12三极管的发射极接正12V，集电极通过电阻R25接于V11三极管的基极；电阻R18一端接在V9三极管的基极，另一端接于电阻R137的一端；电阻R137的另一端接正12V；三极管V13的发射极接地，基极通过电阻R20接于继电器K1(2)组触点的常闭触点，集电极通过电阻R19接于V9三极管的基极；电阻R26一端接正12V，另一端接于V14三极管的集电极；V14三极管的发射极接地，基极通过电阻R29接于三极管V15的集电极；电阻R27一端接正12V，另一瑞接于V15三极管的集电极：V15三极管的发射极接地，基极通过电阻R30接于V14三极管的集电极；稳压二极管ZD6的阳极连接于V77三极管的基极，阴极与电容C10的正极及电阻R28的一端连接；电容C10的负极接地；电阻R28的另一端接于V15三极管的集电极；V77三极管的发射极接地，集电极接于继电器K6线圈的一端；继电器K6线圈的另一端接正12V；续流二极管D13的阳极接于V77三极管的集电极上，阴极接正12V；V78三极管的发射极接正12V，基极通过电阻R32接于V77三极管的集电极，V78三极管集电极通过电阻R34与电容C12的正极及稳压二极管ZD7的阴极进行连接；电容C12的负极接地；稳压二极管的阳极接于V20三极管的基极；V20三极管的集电极接于V14三极管的基极，V20三极管的发射极接地；V19三极管的基极通过电阻R31接于V77三极管的集电极，V19三极管的集电极通过电阻R33接于电容C12的正极，发射极接地；稳压二极管ZD4的阳极接于V17三极管的基极，阴极与电容C63的正极及电阻R39的一端连接；电容C63的负极接地；电阻R39的另一端接于V14三极管的集电极；V17三极管的发射极接地，集电极接于继电器K7线圈的一端；继电器K7线圈的另一端接正12V；续流二极管D10的阳极接于V17三极管的集电极上，阴极接正12V；V16三极管的发射极接正12V，基极通过电阻R171接于V17三极管的集电极，V16三极管集电极通过电阻R36与电容C11的正极及稳压二极管ZD5的阴极相连接；电容C11的负极接地；稳压二极管ZD5的阳极接于V18三极管的基极；V18三极管的集电极接于V15三极管的基极；V18三极管的发射极接地；V79三极管的基极通过电阻R38接于V17三极管的集电极，V79三极管的集电极通过电阻R37接于电容C11的正极，发射极接地；电容C6、C7的负极接地，C6的正极通过轻柔／重柔功能转换开关S1接于电容C11的正极，电容C7的正极通过轻柔／重柔功能转换开关S1接于电容C12的正极。3. The double-tub fully automatic washing machine according to claim 1, characterized in that: the electronic timing circuit in the washing tub control circuit is connected by the positive pole of the delay capacitor C8 to the base of the triode V9 , and the negative pole is grounded. The collector of triode V 9 is connected to the collector of triode V 10 , and they are connected to positive 12V; the emitter of V 9 triode is connected to the base of V 10 triode; the emitter of V 10 triode is connected to the Zener diode ZD The cathode of ZD 10 is connected; the anode of ZD 10 is connected with the anode of diode D 14 ; the cathode of D 14 is connected with one end of resistor R 21 and one end of resistor R 22 ; the other end of resistor R 21 is grounded; The other end is connected to the positive pole of the anti-interference capacitor C 9 and the base of the triode V 11 ; the negative pole of the capacitor C 9 and the emitter of the triode V 11 are grounded; one end of the coil of the relay K 4 is connected to the collector of the triode V 11 , The other end is connected to positive 12V; the cathode of freewheeling diode D 15 is connected to positive 12V, and the anode is connected to the collector of V 11 triode; the base of V 12 triode is connected to the collector of V 11 triode through resistor R 23 , and the V 12 triode’s The emitter is connected to positive 12V, the collector is connected to the base of the V 11 transistor through the resistor R 25 ; one end of the resistor R 18 is connected to the base of the V 9 transistor, and the other end is connected to one end of the resistor R 137 ; the other end of the resistor R 137 Connect to positive 12V; the emitter of triode V 13 is grounded, the base is connected to the normally closed contact of relay K 1(2) group contacts through resistor R 20 , and the collector is connected to the base of V 9 triode through resistor R 19 ; One end of resistor R 26 is connected to positive 12V, and the other end is connected to the collector of V 14 triode; the emitter of V 14 triode is grounded, and the base is connected to the collector of triode V 15 through resistor R 29 ; one end of resistor R 27 is connected to positive 12V, The other is connected to the collector of V15 triode: the emitter of V15 triode is grounded, the base is connected to the collector of V14 triode through resistor R30 ; the anode of Zener diode ZD6 is connected to the base of V77 triode , the cathode is connected to the positive pole of capacitor C 10 and one end of resistor R 28 ; the negative pole of capacitor C 10 is grounded; the other end of resistor R 28 is connected to the collector of V 15 triode; the emitter of V 77 triode is grounded, and the collector is connected to One end of the relay K 6 coil; the other end of the relay K 6 coil is connected to the positive 12V; the anode of the freewheeling diode D 13 is connected to the collector of the V 77 triode, and the cathode is connected to the positive 12V; the emitter of the V 78 triode is connected to the positive 12V. The base is connected to the collector of the V 77 triode through the resistor R 32 , and the collector of the V 78 triode is connected to the positive pole of the capacitor C 12 and the cathode of the Zener diode ZD 7 through the resistor R 34 ; the negative pole of the capacitor C 12 is grounded; The anode of the diode is connected to the base of the V 20 triode; the collector of the V 20 triode is connected to the base of the V 14 triode, and the emitter of the V 20 triode is grounded; the base of the V 19 triode is connected to the V 77 triode through the resistor R 31 The collector of V 19 triode is connected to the positive pole of capacitor C 12 through resistor R 33 , and the emitter is grounded; the anode of Zener diode ZD 4 is connected to the base of V 17 triode, and the cathode is connected to the positive pole of capacitor C 63 and One end of the resistor R 39 is connected; the negative electrode of the capacitor C 63 is grounded; the other end of the resistor R 39 is connected to the collector of the V 14 triode; the emitter of the V 17 triode is grounded, and the collector is connected to one end of the relay K 7 coil; the relay K 7. The other end of the coil is connected to positive 12V; the anode of freewheeling diode D 10 is connected to the collector of V 17 triode, the cathode is connected to positive 12V; the emitter of V 16 triode is connected to positive 12V, and the base is connected to V through resistor R 171 17 The collector of the triode, V 16 The collector of the triode is connected to the positive pole of the capacitor C 11 and the cathode of the Zener diode ZD 5 through the resistor R 36; the negative pole of the capacitor C 11 is grounded ; the anode of the Zener diode ZD 5 is connected to V 18 The base of the triode; the collector of the V 18 triode is connected to the base of the V 15 triode; the emitter of the V 18 triode is grounded; the base of the V 79 triode is connected to the collector of the V 17 triode through the resistor R 38 , and the V 79 triode The collector of the capacitor C11 is connected to the positive pole of the capacitor C11 through the resistor R37 , and the emitter is grounded; the negative poles of the capacitors C6 and C7 are grounded, and the positive pole of C6 is connected to the positive pole of the capacitor C11 through the soft/soft function switch S1 , the positive pole of the capacitor C7 is connected to the positive pole of the capacitor C12 through the soft/soft function switch S1. 4、根据权利要求1所述的双桶全自动洗衣机，其特征是：脱水桶控制电路中电子定时电路是由电容C49的负极接地，正极接于V54三极管的基极；三极管V67的集电极通过电阻R110接于V54三极管的基极，V67三极管的发射极接地，基极通过电阻R109接于继电器K13的常闭触点；三极管V54的集电极接正12V，发射极接于三极管V55的基极；三极管V55的集电极接正12V，发射极接于稳压二极管ZD14的阴极；稳压二极管ZD14的阳极与电阻R104的一端及电阻R113的一端相连接；电阻R104的另一端接地，电阻R113的另一端接V56三极管的基极；电容C48的正极接于V56三极管的基极，负极接地；V56三极管的发射极接地，集电极接于继电器K11线圈的一端；K11继电器线圈的另一端接正12V；续流二极管D39阴极接于12V，阳极接V56三极管的集电极；三极管V57的基极通过电阻R115接于V56三极管的集电极，三极管V57的发射极接正12V，集电极通过电阻R116接于V56三极管的基极；三极管V58的基极通过电阻R114接于V56三极管的集电极，V58三极管的发射极接地，集电极接于继电器K12线圈的一端；K12继电器线圈的另一端接正12V；续流二极管D40的阴极接正12V，阳极接于V58三极管的集电极；二极管D38的阳极接于稳压二极管ZD14的阳极，阴极与电阻R105的一端及电阻R103的一端相连接；电阻R105的另一端接地，电阻R103的另一端接于V60三极管的基极；电容C47的正极接于V60三极管的基极，负极接地；V60三极管的发射极接地，集电极接于V56三极管的基极；二极管D41-44四只二极管进行串接，其中D41二极管的阳极接于二极管D38的阴极，二极管D44的阴极与电阻R101的一端及电阻R102的一端相连接；电阻R101的另一端接地，电阻R102的另一端接于V59三极管的基极；电容C45的正极接于三极管V59的基极，负极接地：三极管V59的发射极接地，集电极通过功能转换开关S4三脱时与三极管V60的基极相连接，二脱时与三极管V62的集电极相连接；二极管D59的阳极接于二极管D44的阴极，二极管D59的阴极与电阻R97的一端及电阻R98的一端相连接；电阻R97的另一端接地，电阻R98的另一端接于V61三极管的基极；电容C43的正极接于V61三极管的基极，负极接地；三极管V61的发射极接地，集电极接于V59三极管的基极；二极管D45与二极管D46进行串接，其中二极管D45的阳极接于二极管D59的阴极，二极管D46的阴极与电阻R96的一端及电阻R99的一端相连接；电阻R96的另一端接地，电阻R99的另一端接于V62三极管的基极；电容C44的正极接于V62三极管的基极，负极接地；V62三极管的发射极接地，集电极通过电阻R100与报警稳态电路相连接；电阻R111的一端及电阻R112的一端接于V54三极管的基极，电阻R111的另一端与功能转换开关S3的长脱位置相连接，电阻R112的另一端与功能转换开关S3的短脱位置相连接。4. The double-tub fully automatic washing machine according to claim 1, characterized in that: the electronic timing circuit in the dehydration tub control circuit is grounded by the negative electrode of capacitor C49 , and the positive electrode is connected to the base of V54 triode ; The collector is connected to the base of the V 54 triode through the resistor R 110 , the emitter of the V 67 triode is grounded, the base is connected to the normally closed contact of the relay K 13 through the resistor R 109 ; the collector of the triode V 54 is connected to positive 12V, The emitter is connected to the base of the triode V 55 ; the collector of the triode V 55 is connected to positive 12V, and the emitter is connected to the cathode of the Zener diode ZD 14 ; the anode of the Zener diode ZD 14 is connected to one end of the resistor R 104 and the resistor R 113 The other end of the resistor R 104 is connected to the ground, the other end of the resistor R 113 is connected to the base of the V 56 triode; the positive pole of the capacitor C 48 is connected to the base of the V 56 triode, and the negative pole is grounded; the emitter of the V 56 triode Grounding, the collector is connected to one end of the relay K 11 coil; the other end of the K 11 relay coil is connected to positive 12V; the cathode of the freewheeling diode D 39 is connected to 12V, and the anode is connected to the collector of the V 56 triode; the base of the triode V 57 passes through The resistor R 115 is connected to the collector of the V 56 triode, the emitter of the triode V 57 is connected to positive 12V, the collector is connected to the base of the V 56 triode through the resistor R 116; the base of the triode V 58 is connected to V through the resistor R 114 The collector of the 56 triode, the emitter of the V 58 triode are grounded, and the collector is connected to one end of the relay K 12 coil; the other end of the K 12 relay coil is connected to positive 12V; the cathode of the freewheeling diode D 40 is connected to positive 12V, and the anode is connected to The collector of V 58 triode; the anode of diode D 38 is connected to the anode of Zener diode ZD 14 , and the cathode is connected to one end of resistor R 105 and one end of resistor R 103 ; the other end of resistor R 105 is grounded, and the other end of resistor R 103 The other end is connected to the base of the V 60 triode; the anode of the capacitor C 47 is connected to the base of the V 60 triode, and the negative is grounded; the emitter of the V 60 triode is grounded, and the collector is connected to the base of the V 56 triode; the diode D 41 -44 Four diodes are connected in series, the anode of diode D 41 is connected to the cathode of diode D 38 , the cathode of diode D 44 is connected to one end of resistor R 101 and one end of resistor R 102 ; the other end of resistor R 101 is grounded , the other end of the resistor R 102 is connected to the base of the triode V 59 ; the positive pole of the capacitor C 45 is connected to the base of the triode V 59 , and the negative pole is grounded: the emitter of the triode V 59 is grounded, and the collector passes through the function switch S 4 three When it is off, it is connected to the base of the transistor V60 , and when it is off, it is connected to the collector of the transistor V62 ; the anode of the diode D59 is connected to the cathode of the diode D44 , and the cathode of the diode D59 is connected to one end of the resistor R97 and One end of the resistor R 98 is connected; the other end of the resistor R 97 is grounded, and the other end of the resistor R 98 is connected to the base of the V 61 triode; the positive pole of the capacitor C 43 is connected to the base of the V 61 triode, and the negative pole is grounded; the triode V The emitter of 61 is grounded, and the collector is connected to the base of V59 triode; diode D45 and diode D46 are connected in series, wherein the anode of diode D45 is connected to the cathode of diode D59 , and the cathode of diode D46 is connected to resistor R One end of 96 and one end of resistor R 99 are connected; the other end of resistor R 96 is grounded, and the other end of resistor R 99 is connected to the base of V 62 triode; the positive pole of capacitor C 44 is connected to the base of V 62 triode, and the negative pole Grounding; the emitter of the V 62 triode is grounded, and the collector is connected to the alarm steady-state circuit through the resistor R 100 ; one end of the resistor R 111 and one end of the resistor R 112 are connected to the base of the V 54 triode, and the other end of the resistor R 111 It is connected with the long-off position of the function changeover switch S3 , and the other end of the resistor R112 is connected with the short-off position of the function changeover switch S3 .
CN99238411.7U 1999-08-23 1999-08-23 Double-tub fully automatic washing machine Expired - Fee Related CN2414085Y (en)

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CN103911806A (en) * 2014-03-25 2014-07-09 王斌 One-button-operated full-automatic washing machine computer program controller

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103911806A (en) * 2014-03-25 2014-07-09 王斌 One-button-operated full-automatic washing machine computer program controller

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