CN2467615Y

CN2467615Y - Digital induction water flusher

Info

Publication number: CN2467615Y
Application number: CN 00204038
Authority: CN
Inventors: 汪锦春
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-03-28
Filing date: 2000-03-28
Publication date: 2001-12-26
Anticipated expiration: 2010-03-28

Abstract

The utility model relates to a digital induction water flusher, which is composed of an infrared emission part, an infrared receiving part, and a servo drive part. The utility model has two kinds of a vertical type and a sitting type which are respectively suitable for automatically flushing for a urinal and a flush toilet. A circuit is composed of a digital switch circuit. The digital induction water flusher has the advantages of reliable performance, simple manufacturing technique, and low cost, and widely applies to the toilets of the hotel, the restaurant, the public place, and the family, avoids the manual touch, and stops the cross infection. In addition, the circuit of the utility model is slightly changed, a plurality of other products can be derived, such as, an automatic hand washing machine, an automatic drying machine, an automatic soap liquid machine, an automatic door, an automatic curtain, an automatic sunning machine, etc.

Description

Digital Induction flushing device

The utility model relates to washroom auto-flushing utensil.

At present, existing auto-flushing utensil costs an arm and a leg on the known market, and adopts traditional analog circuit element, and manufacturability is poor, and the performance requirement height is regulated difficulty, and stability is poor in the use, far away the needs that can not completely develop.

The utility model is the above shortcoming at existing washroom auto-flushing utensil, proposes to adopt digital control circuit that above problem is finally solved, and reaches the convenient purpose of using.Digital Induction flushing device has vertical and two kinds of formulas of seat.

The purpose of this utility model is achieved in that digital Induction flushing device is made up of infrared emission, reception and servo driving three big parts.The infrared emission parts have main oscillator (being called for short main shaking), pulse width converter (abbreviation pulse converter), power amplifier and the infrared transmitting tube of making to form.By the main pulse that makes oscillator send, after pulse width converter was transformed to asymmetrical burst pulse, the ingoing power amplifier amplified, and outwards launches infrared pulse signal by infrared transmitting tube again.Vertical digital Induction flushing device receiving-member has infrared receiving tube, and power amplifier, comparator, monostable flipflop, OR circuit, relay, electromagnetic valve, induced signal indicator lamp are formed.The digital Induction flushing device receiving-member of seat formula has infrared receiving tube, and power amplifier, comparator, monostable flipflop, OR circuit, motor, induced signal indicator lamp are formed.Vertical digital Induction flushing device receives the infrared pulse signal that is sent by infrared transmitting tube, compare through power amplifier amplification and comparator, after being the identification relatively of transmitted pulse signal and received pulse signal, the control monostable flipflop is broadening regularly, utilize the rising edge of a pulse and the trailing edge of this monostable flipflop output Q output to trigger two monostable flipflops respectively, through OR circuit output, after the power amplifier amplification, drive electromagnetic valve components by relay again; The digital Induction flushing device of seat formula receives the infrared pulse signal that is sent by infrared transmitting tube, compare through power amplifier amplification and comparator, after being the identification relatively of transmitted pulse signal and received pulse signal, the control monostable flipflop is broadening regularly, utilize the rising edge of a pulse of its monostable flipflop output Q output, triggering one, to set width be 10 seconds monostable flipflop, with the pulse width of its output and the width of trigger impulse, enter another comparator more relatively, when relatively confirming to trigger pulsewidth greater than the timing pulsewidth, the output positive pulse, utilize the trailing edge of this pulse, three monostable flipflops of the chain triggering of difference, and after power amplifier is put, control motor, flush urinal or flush toilet on request respectively.

The utility model has vertical and two kinds of formulas of seat.The vertical suitable man usefulness of urinating, the bath device is by solenoid control.The seat formula is fit to the men and women and sits the flush toilet of usefulness, and has increased another comparator again in control circuit, and purpose is to avoid the misoperation that causes when human body is near water closet once in a while, and its bath device has motor-driven to control.Two kinds of digital Induction flushing devices all have the induced signal indicator lamp when using.

The utility model advantage:

1. the utility model adopts the digital CMOS element, and it is low in energy consumption, operating voltage range is wide, and antijamming capability is strong, and logic swing is big, the input impedance height, and temperature stability is good and cost is low;

2. control circuit is a digital switch circuit, good manufacturability, reliability height;

3. the identification of transmitted pulse signal and received pulse signal relatively adopts 2 inputs not only simple with the door "AND" "OR" "NOT" circuit, and accurately and reliably;

4. distance of reaction is big, and easy to adjust;

5. the selection of circuit performance and element price can have the best ratio of performance to price;

6. establish fast checking functions in having, make installation and debugging convenient, save time, improve effect;

7. but DC-AC two-use, and contain built-in charger.

The utility model is further described below by following each figure:

Fig. 1 is vertical digital Induction flushing device system block diagram;

Fig. 2 is vertical digital Induction flushing device schematic diagram;

Fig. 3 is the digital Induction flushing device system block diagram of a formula;

Fig. 4 is the digital Induction flushing device part of a formula schematic diagram;

Fig. 5 is the motor-driven schematic diagram of a digital Induction flushing device of formula;

Fig. 6 is a built-in voltage-stabilized power supply and towards electrical schematic.

Fig. 1 is the system block diagram of vertical digital Induction flushing device.Native system has infrared emission, reception and servo driving three big parts.G is the main oscillator (being called for short main shaking) that makes in the infrared emission parts, U is pulse width converter (an abbreviation pulse converter), it is with the square wave of the main G output symmetry of shaking, become asymmetrical burst pulse, purpose is to improve transmitting power and reduce power consumption, pulse width converter U output has two-way, and one the tunnel after power amplifier AT1 amplifies, and drives emission part infrared transmitting tube GTF and outwards launches infrared pulse; Another road output of U is directly delivered to the pulse ratio of comparator C OMP0 of receiving-member than input by lead.After infrared receiving tube ACC receives signal in the receiving-member, after power amplifier AT2 amplifies, another pulse ratio of comparator C OMP0 of delivering to receiving-member is than input, comparator C OMP0 will be received by being reflected to receiving element infrared receiving tube ACC by human body of infrared transmitting tube GTF emission, and will directly be connected master oscillator frequenc from pulse converter U by lead with another through the signal after power amplifier AT2 amplifies shaping and transmit and compare.When the people urinates, these two input signals are the opposite same signals of phase place, this moment, comparator C OMP0 output was invariable high level, to the monostable flipflop DT0 triggerless effect of level thereafter, the output Q of monostable flipflop DT0 keeps high level, and when unmanned urine, the input of comparator C OM0 only has the master oscillator frequenc signal from pulse converter U, nothing transmits through the human body reflection, if have also is the interfering signal of other light sources, this moment, comparator C OMP0 output was the burst signal that changes by master oscillator frequenc, this train of pulse continuous trigger monostable flipflop DT0, and the pulse width of the Q output of setting monostable flipflop DT0 are greater than the master oscillator frequenc cycle, because of continuous trigger, monostable flipflop DT0 output Q keeps low level.The level of monostable flipflop DT0 output Q has low uprising when the people urinates like this, and when messenger left, the level of monostable flipflop DT0 output Q had high step-down.Utilize this rising edge that just changes and trailing edge, trigger monostable flipflop DT1 and DT2 respectively.The square wave of the output Q output of monostable flipflop DT1 and DT2 is exported to power amplifier AT3 through OR circuit V, and control relay KA or employing controllable silicon replace, and drive electromagnetic valve YM.Its course of work is as described below; Need at one's leisure as the people, the signal that infrared emission GTF sends, after the human body reflection, receive by infrared receiving tube ACC, after the amplification of power amplifier AT2 and the output signal of emission element pulse converter U, input comparator COMP0 carries out signal and relatively discerns simultaneously, after affirmation is correct, comparator C OMP0 output is invariable high level, stops the continuous trigger to monostable flipflop DT0.Monostable flipflop DT0 output Q becomes high level by low level.Utilize the method, the signal that recognition and verification comes spontaneous emission and reflects through human body.Square wave output after the Q output of monostable flipflop DT0 stops to trigger simultaneously, its rising edge triggers monostable flipflop DT1, the output square wave of monostable flipflop DT1, after OR circuit V and power amplifier AT3 amplification, drive relay K A, and control electromagnetic valve YM, control flushing valve.Bath time length can change monostable flipflop DT1 output pulse width, regulates time length.Utilize the high level of monostable flipflop DT0 output Q this moment, and by induced signal indicator lamp HL, indication has the people convenient.When messenger is convenient when finishing to leave, receiving element infrared receiving tube ACC does not receive human body reflection input signal, if the just interfering signal of other light sources is arranged also, it is master oscillator frequenc from impulse transfer U that another input is only arranged.Comparator C OMP0 output is output as the burst signal that changes by master oscillator frequenc, and this train of pulse continuous trigger monostable flipflop DT0 makes its output Q become low level by high level.And set the pulse width of the Q output of monostable flipflop DT0, greater than the master oscillator frequenc cycle, because of the continuous trigger event keeps high level.Utilize the trailing edge of the output Q of monostable flipflop DT0 this moment to trigger monostable flipflop DT2, export to power amplifier AT3 through OR circuit V, control relay KA or employing controllable silicon replace, drive electromagnetic valve YM, the device of washing by water the simultaneously flushing that discharges water once more, guarantee its sanitation and hygiene, twice water flushing time length all can be regulated by changing monostable flipflop DT1 and the used resistance size that discharges and recharges of DT2.

Fig. 2 is a schematic diagram of realizing the vertical numeric type Induction flushing device of Fig. 1, and the G that shakes of the master among Fig. 1 is by the resistance R among Fig. 21, and capacitor C 1 and this schmitt trigger IC1A promptly 40106 form.Pulse converter U among Fig. 1 promptly 40106 is made up of the resistance R among Fig. 22, capacitor C 2 and this schmitt trigger IC1B.Fig. 1 intermediate power amplifier AT1 is made up of the resistance R among Fig. 23, R4 and triode T1.Infrared transmitting tube GTF among Fig. 1 is made up of the middle infrared transmitting tube DL1 of Fig. 2.Infrared receiving tube ACC among Fig. 1 is to be that infrared receiving diode or infrared reception triode constitute by resistance R among Fig. 25 and infrared receiving tube DL2.Power amplifier AT2 among Fig. 1 is by capacitance C3, C4 among Fig. 2, and resistance R 6, R7, R8 and gate circuit IC2A, IC2B, IC2C promptly 4069 constitute, and capacitor C 4, this schmitt trigger IC1D, IC1E have every the direct sum shaping operation.Comparator C OMP0 among Fig. 1 promptly 4011 is made of 2 input NAND gate IC3A among Fig. 2.Monostable flipflop DT0 promptly 4538 is made of the resistance R among Fig. 2 10, capacitor C 5 and monostable flipflop IC4A among Fig. 1.Monostable flipflop DT1 promptly 4538 is made of the resistance R among Fig. 2 11, capacitor C 6 and monostable flipflop IC5A among Fig. 1.Monostable flipflop DT2 promptly 4538 is made of the resistance R among Fig. 2 12, capacitor C7 and monostable flipflop IC5B among Fig. 1.Induced signal indication HL among Fig. 1 is made up of triode T3, LED 1 and current limliting electricity group R9 among Fig. 2.OR circuit V among Fig. 1 be by among Fig. 2 or door IC6A promptly 4071 constitute.Power amplifier AT3 among Fig. 1 is made up of triode T2 among Fig. 2 and resistance R 13.Driving relay K A among Fig. 1 is made up of relay coil J1 among Fig. 2 and discharge diode D1.Control electromagnetic valve YM among Fig. 1 is made of the electromagnetic valve DF among Fig. 2.

Fig. 3 is a system block diagram of formula numeric type Induction flushing device.Identical function and components identical among Fig. 3 and Fig. 1, all represent as GTF, G, U, AT1, ACC, AT2, COMP0, DT0 and HL etc. with prosign, here no longer repeat the used element of its function and circuit, only be described below with regard to its difference, function and element were different after this was put behind the monostable flipflop DT0 output point and among Fig. 1 among Fig. 3, but HL is still identical in its induced signal indication, just the tie point difference.Vertical numeric type Induction flushing device system block diagram is applicable to man's usefulness of urinating, and a seat formula numeric type Induction flushing device system block diagram 3 is fit to men and women and sits the flush toilet of usefulness.Be the misoperation of avoiding human body once in a while to cause near flush toilet, after monostable flipflop DT0, added pulse width comparing element comparator C OMP1 again, promptly behind the output Q of monostable flipflop DT0, add one-level monostable flipflop DT3 again, its square wave output pulse width was selected in about 10 seconds, and the output Q of monostable flipflop DT0 and the output Q of monostable flipflop DT3 are compared in comparator C OMP1, judge it is once in a while at this, still stay convenient the use.Through comparator C OMP1 output high level when relatively the pulsewidth of confirmation form steady state trigger DT0 output Q output was greater than 10 seconds, the one road is used for supplying with induced signal indication HL and shows, monostable flipflop DT4 is triggered with its trailing edge in another road, triode control motor SM is just changeing and is opening the water valve flushing in power amplifier AT4, trailing edge when the trigger impulse of its monostable flipflop DT4 finishes triggers monostable flipflop DT5, trailing edge when monostable flipflop DT5 finishes triggers monostable flipflop DT6, it exports triode power amplification in power amplifier AT5, control motor SM counter-rotating is closed water valve and is stopped flushing.The control of its motor as shown in Figure 5.

Fig. 4 is a formula bath device part schematic diagram.Monostable flipflop DT3 among Fig. 3 promptly 4538 is made of the resistance R among Fig. 4 15, capacitor C 7 and ICAB.Monostable flipflop DT4 among Fig. 3 is 4538 by the resistance R among Fig. 4 16, capacitor C 10 and IC5A to constitute.Monostable flipflop DT5 among Fig. 3 is 4538 by the resistance R among Fig. 4 17, capacitor C 11 and IC5B to constitute.Monostable flipflop DT6 among Fig. 3 promptly 4538 is made of the resistance R among Fig. 4 18, capacitor C 12 and IC6A.Secondary comparator C OMP1 among Fig. 3 promptly 4011 is made of the IC3B among Fig. 4, IC3C, IC3D.Motor SM among Fig. 3 is made of the motor M among Fig. 5.

Fig. 5 puts pipe T4, T5, T6, T7, T8, T9 and capacitor C 15 by resistance R 21, R22, R23, R24 and three utmost points and motor M is formed control direct current generator SM forward or reverse circuit.Z is the Q end output from monostable flipflop DT4 among the figure.F is from the output of the end of the Q among the monostable flipflop DT6.

Fig. 6 is a low-voltage dc power supply, and it is by fuse FU1, low-tension transformer B1, and rectifier IC20, capacitor C 20, C21, C23, C24, voltage stabilizing part IC21, diode D20 and battery E1 constitute.Battery E1 keeps power supply when AC power has a power failure, when AC-powered, can charge to battery E1.

The utility model circuit is changed slightly also can derive from and is other products, as saves DT2 and V among Fig. 1, then can derive to be automatic handwasher automatic hand-dryer and automatic soap-solution device.As the circuit among Fig. 3 is changed slightly, can derive from and be automatic door, curtain and automatic cool solarization machine etc.

The master of native system make oscillator, pulse ratio, used circuit and the element of monostable flipflop or the like be all a lot, circuit described in the utility model and element only are a kind of giving an example, for example the master makes still available two phase inverters of oscillator as 4069, or clock circuit is as 555, or two monostable flipflops are formed.The circuit and the element that constitute monostable flipflop for another example are also a lot, do not exemplify one by one here.

Applicating example of the present utility model, vertical digital Induction flushing device has marked out the integration member model in Fig. 2, wherein resistance R 1, R2, R5, R6, R7 and R8, be all 1M Ω, R3, R4, R8 and R9 are all 1K Ω, R10, R11 and R12 are all 4M Ω, capacitor C 1, C2, C3, C4, C5, C6 and C7 are all 0.1 μ F, triode T1, T2 and T3 are all 9013, DL1 and DL2 are respectively infrared emission and receiving tube, DF control voltage is the AC220V electromagnetic valve, number electronic circuit component parameters and model are selected for use and are had a wide reach, and only are one here and give an example.

Claims

1. digital Induction flushing device is made up of infrared emission, reception and servo driving three big parts, and its characteristic infrared emission element has main oscillator (G) (being called for short main shaking), pulse width converter (U) (abbreviation pulse converter), power amplifier (AT1) and the infrared transmitting tube (GTF) of making to constitute; Receiving-member has infrared receiving tube (ACC) to receive by the next infrared pulse signal of infrared transmitting tube (GTF) emission, after power amplifier (AT2) amplification, after in comparator (COMP0), discerning relatively the transmitted pulse deration of signal and received pulse width, control monostable flipflop (DT0) is broadening regularly, in vertical digital Induction flushing device, utilize the rising edge of a pulse and the trailing edge of this monostable flipflop (DT0) output Q output to trigger two monostable flipflops respectively, export through OR circuit (V), driving power amplifier (AT3) amplifies, control relay (KA), drive electromagnetic valve (YM), twice water flushing time length, all can be by changing monostable flipflop (DT1, DT2) the used resistance size that discharges and recharges is regulated, on request flushing; A setting of the rising edge of a pulse triggering width that utilizes this monostable flipflop (DT0) output (Q) output in vertical digital Induction flushing device is 10 seconds a monostable flipflop (DT3), with the pulsewidth degree of its monostable flipflop (DT3) output and the width of monostable flipflop (DT0) trigger impulse, in comparator (COMP1), discern comparison again, when relatively confirming to trigger pulsewidth greater than 10 seconds timing pulsewidths, comparator (COMP1) output positive pulse, utilize the trailing edge of this pulse, three monostable flipflop (DT4 of the chain triggering of difference, DT5, DT6), and respectively through power amplifier (AT4, AT5) amplify, control drive motors (SM), bath time length, can be by changing monostable flipflop (DT4, DT5D, DT6) the used resistance size that discharges and recharges is regulated, on request flushing.

2 digital Induction flushing devices by claim 1 defined, its feature has vertical and two kinds of formulas of seat, vertical bath device is controlled by electromagnetic valve (YM), increased a pulse ratio (COMP1) again in the control circuit of seat formula bath device, its bath device has motor (SM) to drive control, two kinds of induced signal indicator lamps (HL) that digital Induction flushing device all has indication to use.

3. press the digital Induction flushing device of claim 1 or 2 defineds, the main order of the emission element device (G) that shakes is by resistance (R1) in the vertical digital Induction flushing device of its feature, electric capacity (C1) and this schmitt trigger (40106) are formed square-wave generator, pulse converter (U) is by resistance (R2), electric capacity (C2) and this schmitt trigger (40106) are formed monostable flipflop, it is transformed into asymmetrical pulse to the symmetrical square wave of main order vibration, form infrared transmitting tube (DL1) emission of the amplification rear drive of power amplification through resistance (R5 and R4) and triode (T1) with infrared-emitting diode or infrared emission three pipes, receiving-member is formed receiving tube (ACC) by the infrared receiving tube (DL2) and the resistance (R5) of infrared receiving diode or infrared reception triode, through electric capacity (C3 and C4), resistance (R6, R7 and R8) and after three grades of phase inverters (4069) form the amplification of power amplifiers (AT2), comparator (COMP0) to 2 input nand gates (4011), another imports to the change of launching part towards conversion (U), the output of comparator (COMP0), triggering is by resistance R 10, the monostable of capacitor C 5 and monostable flipflop (4538) is solely sent out device (DT0), the output (Q) of monostable flipflop (DT0), trigger respectively by resistance (R11), electric capacity (C6) and monostable flipflop (4538) are formed monostable flipflop DT2, by resistance (R12), the monostable flipflop (DT3) that electric capacity (C7) and monostable flipflop (4538) are formed, and supply with by resistance (R9), the signal indication (HL) that triode (T3) and light emitting diode (LED1) are formed, after the output (Q) of monostable flipflop (DT1) and monostable flipflop (DT2) was exported to resistance (R13) and triode (T2) composition power amplification (AT3) amplification via 2 inputs or door (4071) circuit (V), the control relay of forming by diode (D) and relay (J1) (KA) drove the control electromagnetic valve (YM) that electromagnetic valve (DF) is formed.

4. press the digital Induction flushing device of claim 1 or 2 defineds, its feature seat formula and vertical difference are behind vertical digital Induction flushing device monostable flipflop (DT0), add the comparator (COMP1) of 2 input nand gates (4011), also just the output of the monostable trigger (DT0) behind pulse comparator (COMP0) signal (Q) end adds one again by resistance (R15), ((9) and monostable flipflop (4538) are formed regularly the monostable flipflop (DT3) that width is rising edge triggering in 10 seconds to electric capacity, output signal after comparator (COMP1) compares, chain triggering successively is by resistance (R16), electric capacity (C10) and monostable flipflop (4538), resistance (R12), electric capacity (C11) and monostable flipflop (4538) and resistance (18), three monostable flipflop (DT4 that electric capacity (C12) and monostable trigger (4538) are formed, DT5 and DT6) through resistance (R21, R22, R23 and R24), triode (T4, T5, T6, T7, T8 and T9,) amplification of the amplifier (AT4 and AT5) formed, controlling motor (SM) respectively just changes, and stops and reverses.Correspondence is controlled opening, stopping and closing of bath device valve.