CN106015695A - Intelligent tap control system provided with signal buffer circuit - Google Patents

Abstract

The invention discloses an intelligent tap control system provided with a signal buffer circuit. The intelligent tap control system comprises an electromagnetic valve M arranged on a water supply pipeline, a control chip U1 connected with the electromagnetic valve M, a capacitor C5 synchronously connected with a THRES pin and a TRIG pin of the control chip U1 by the positive pole and connected with a GND pin by the negative pole, a capacitor C6 connected with a CONT pin of the control chip U1 by the positive pole and connected with a GND pin of the control chip U1 by the negative pole, a switch driving circuit and a signal judging circuit respectively connected with the control chip U1, a signal input circuit connected with the signal judging circuit, and the signal buffer circuit connected with the signal judging circuit. The intelligent tap control system provided with the signal buffer circuit, provided by the invention, greatly improves the household water use intelligence, reduces the household water consumption, saves the water resource, and preferably reduces the economic costs of users.

Description

It is provided with the faucet intelligence control system of signal damping circuit

Technical field

The invention belongs to household energy conservation field, specifically refer to a kind of faucet intelligence being provided with signal damping circuit Can control system.

Background technology

Water is one indispensable resource of society, in the life of people, either washes one's face and rinses one's mouth or steams Boil and all be unable to do without water.Nowadays, family is all use faucet to discharge water, and in use, often Because some reason causes user to forget to close faucet, so that faucet keeps water outlet, not only wave Take water resource, also increase the weight of the burden of user.For saving water resource, most public place is all adopted With pressing type or the faucet of vicarious, but the faucet of pressing type and vicarious is but not suitable in family In use.

So, nowadays need a intelligent faucet, to avoid user to forget the water money that Guan Shui causes The situation of the lasting waste in source, reaches to save the purpose of water resource.

Summary of the invention

It is an object of the invention to overcome the problems referred to above, it is provided that a kind of faucet being provided with signal damping circuit Intelligence control system, is greatly improved the intelligent of domestic water, reduces family's water consumption, thus saves Water resource, preferably reduces the Financial cost of user.

The purpose of the present invention is achieved through the following technical solutions:

It is provided with the faucet intelligence control system of signal damping circuit, including the electromagnetism being arranged on supply channel Valve M, the control chip U1 that electromagnetic valve M is connected, positive pole simultaneously with the THRES of control chip U1 The electric capacity C5 that pin is connected with TRIG pin, negative pole is connected with GND pin, positive pole and control core The electric capacity that the CONT pin of sheet U1 is connected, negative pole is connected with the GND pin of control chip U1 C6, the switch driving circuit being connected with control chip U1 respectively and signal judging circuit, judge with signal The signal input circuit that circuit is connected, and the signal damping circuit being connected with signal judging circuit；Its In, the model of control chip U1 is NE555.

As preferably, described signal input circuit by operational amplifier P1, operational amplifier P2, one end ground connection, Resistance R1, the P pole that the other end is connected with the positive input terminal of operational amplifier P1 is with operational amplifier P1's The diode D1 that outfan is connected, N pole is connected with the negative input end of operational amplifier P1, negative pole connects The N of the electric capacity C1 that ground, positive pole are connected with the positive input terminal of operational amplifier P2, one end and diode D1 The resistance R3 that pole is connected, the other end is connected with the positive pole of electric capacity C1, one end is with operational amplifier P1's The resistance R2 that positive input terminal is connected, the other end is connected with the positive pole of electric capacity C1, is serially connected in operation amplifier Resistance R4 between negative input end and the outfan of device P2, and minus earth, positive pole and operational amplifier The electric capacity C2 composition that the outfan of P2 is connected；Wherein, the positive input terminal of operational amplifier P1 is as this letter The signal input part Vin of number input circuit.

As preferably, described signal judging circuit is by audion VT1, audion VT2, one end and electric capacity C2 The resistance R5 that positive pole is connected, the other end is connected with the base stage of audion VT1, positive pole and audion The electric capacity C3 that the base stage of VT1 is connected, negative pole is connected with the negative pole of electric capacity C5, positive pole and audion VT1 The electric capacity C4 that colelctor electrode is connected, negative pole is connected with the negative pole of electric capacity C3, one end simultaneously with control core The VCC pin of sheet U1 is connected with RESET pin, the other end is connected with the colelctor electrode of audion VT2 The resistance R6 connect, and one end is connected with the emitter stage of audion VT2, the other end is negative with electric capacity C4's The resistance R7 composition that pole is connected；Wherein, the base stage phase of the colelctor electrode of audion VT1 and audion VT2 Connecting, the emitter stage of audion VT1 is connected with the positive pole of electric capacity C5.

As preferably, described switch driving circuit is by audion VT3, audion VT4, switch S, P pole warp After resistance R9 the base stage with audion VT3 be connected, N pole after resistance R11 with audion VT4 send out The diode D2 that emitter-base bandgap grading is connected, one end is connected with the P pole of diode D2, the other end and control chip The resistance R8 that the OUT pin of U1 is connected, the resistance R10 being arranged in parallel with diode D2, positive pole with Electric capacity C7, the P pole that the P pole of diode D2 is connected, negative pole is connected with the N pole of diode D2 with Two poles that the colelctor electrode of audion VT4 is connected, N pole is connected with the RESET pin of control chip U1 Pipe D3, and N pole is connected with the N pole of diode D3, P pole is connected with the N pole of diode D2 Diode D4 composition；Wherein, the emitter stage of audion VT3 is connected with the base stage of audion VT4, The N pole of diode D2 is connected with the negative pole of electric capacity C6, and electromagnetic valve M is arranged in parallel with diode D3, One end of switch S is connected with the P pole of diode D3, the other end is connected with the N pole of diode D2, The colelctor electrode of audion VT3 is connected with the N pole of diode D4, the N pole of diode D4 and P pole group Become the power input of this switch driving circuit.

Further, described signal damping circuit by audion VT5, audion VT6, metal-oxide-semiconductor Q1, The electric capacity that positive pole is connected with the base stage of audion VT5, negative pole is connected with the colelctor electrode of audion VT5 C9, negative pole is connected with the base stage of audion VT5, positive pole after resistance R18 with audion VT5 send out The electric capacity C8 that emitter-base bandgap grading is connected, one end is connected with the emitter stage of audion VT5, the other end is through resistance R13 The resistance R12 that positive pole with electric capacity C8 is connected afterwards, one end is connected with the colelctor electrode of audion VT6, separately The resistance R14 that one end is connected with the junction point of resistance R12 and resistance R13, positive pole is negative with electric capacity C9's The resistance R17 that pole is connected, negative pole emitter stage with audion VT6 after resistance R17 is connected, positive pole Be connected with the colelctor electrode of audion VT6, electric capacity C11 that negative pole is connected with the drain electrode of metal-oxide-semiconductor Q1, The resistance R15 that one end is connected with the positive pole of electric capacity C11, the other end is connected with the grid of metal-oxide-semiconductor Q1, And the electricity that one end is connected with the emitter stage of audion VT6, the other end is connected with the negative pole of electric capacity C11 Resistance R16 composition；Wherein, the emitter stage of audion VT5 is connected with the base stage of audion VT6, electric capacity The plus earth of C10, the minus earth of electric capacity C10, resistance R12 and the junction point of resistance R13 and MOS The source electrode of pipe Q1 is connected, and the base stage of audion VT5 is as the input of this signal damping circuit, MOS The drain electrode of pipe Q1 is as the outfan of this signal damping circuit, the base stage of audion VT5 and audion VT1 Base stage be connected, the drain electrode of metal-oxide-semiconductor Q1 is connected with the negative pole of electric capacity C3.

The present invention compared with prior art, has the following advantages and beneficial effect:

(1) according to signal, the present invention can determine whether that people is using faucet, is judging the unmanned use fire hose During head, system will automatically control electromagnetic valve and block, thus reach to control faucet and stop the purpose of water outlet, its Water-saving result can promote 50%-70% compared to existing faucet, be the most also avoided that water overflow and to residence Live the impact that environment causes, preferably protect living environment and the personal safety of user.

(2) present invention is provided with switch S, when user needs temporarily from water receiving to be continued, can press out Closing S makes electromagnetic valve remain up, thus allows faucet can continue water outlet, substantially increases the use of product Effect.

(3) present invention can preferably protect the normal use of system by arranging signal damping circuit, prevents The components and parts of signal fluctuation bigger damage system, it is possible to extend the service life of system 3-5, greatly reduce The maintenance of system and replacement cost.

Accompanying drawing explanation

Fig. 1 is the circuit structure diagram of the intelligence control system of the present invention.

Fig. 2 is the circuit structure diagram of the signal damping circuit of the present invention.

Detailed description of the invention

Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention do not limit In this.

Embodiment

As it is shown in figure 1, be provided with the faucet intelligence control system of signal damping circuit, including being arranged on water supply Electromagnetic valve M on pipeline, the control chip U1 that electromagnetic valve M is connected, positive pole is simultaneously and control chip The electric capacity C5 that the THRES pin of U1 is connected with TRIG pin, negative pole is connected with GND pin, Positive pole is connected with the CONT pin of control chip U1, the GND pin of negative pole and control chip U1 The electric capacity C6 being connected, the switch driving circuit being connected with control chip U1 respectively and signal judge electricity Road, the signal input circuit being connected with signal judging circuit, and the letter being connected with signal judging circuit Number buffer circuit；Wherein, the model of control chip U1 is NE555.

Signal input circuit is by operational amplifier P1, operational amplifier P2, electric capacity C1, electric capacity C2, two poles Pipe D1, resistance R1, resistance R2, resistance R3, and resistance R4 form.

During connection, one end ground connection of resistance R1, the other end are connected with the positive input terminal of operational amplifier P1, The P pole of diode D1 is connected with the outfan of operational amplifier P1, N pole is negative with operational amplifier P1's Input is connected, and the minus earth of electric capacity C1, positive pole are connected with the positive input terminal of operational amplifier P2, One end of resistance R3 is connected with the N pole of diode D1, the other end is connected with the positive pole of electric capacity C1, One end of resistance R2 is connected with the positive input terminal of operational amplifier P1, the positive pole phase of the other end and electric capacity C1 Connecting, resistance R4 is serially connected between negative input end and the outfan of operational amplifier P2, the negative pole of electric capacity C2 Ground connection, positive pole are connected with the outfan of operational amplifier P2.

Wherein, the positive input terminal of operational amplifier P1 is as the signal input part Vin of this signal input circuit.

Signal judging circuit by audion VT1, audion VT2, resistance R5, resistance R6, resistance R7, Electric capacity C3, and electric capacity C4 composition.

During connection, one end of resistance R5 is connected with the positive pole of electric capacity C2, the other end and audion VT1 Base stage is connected, and the positive pole of electric capacity C3 is connected with the base stage of audion VT1, negative pole is negative with electric capacity C5's Pole is connected, and the positive pole of electric capacity C4 is connected with the colelctor electrode of audion VT1, negative pole is negative with electric capacity C3's Pole is connected, and one end of resistance R6 is connected with VCC pin and the RESET pin of control chip U1 simultaneously Connect, the other end is connected with the colelctor electrode of audion VT2, and one end of resistance R7 is sent out with audion VT2's Emitter-base bandgap grading is connected, the other end is connected with the negative pole of electric capacity C4.

Wherein, the colelctor electrode of audion VT1 is connected with the base stage of audion VT2, audion VT1's Emitter stage is connected with the positive pole of electric capacity C5.

Switch driving circuit, by audion VT3, audion VT4, switchs S, diode D2, diode D3, Diode D4, electric capacity C7, resistance R8, resistance R9, resistance R10, and resistance R11 form.

During connection, the P pole of diode D2 base stage with audion VT3 after resistance R9 is connected, N pole After resistance R11, the emitter stage with audion VT4 is connected, one end of resistance R8 and the P of diode D2 Pole is connected, the other end is connected with the OUT pin of control chip U1, resistance R10 and diode D2 Being arranged in parallel, the positive pole of electric capacity C7 is connected with the P pole of diode D2, the N of negative pole and diode D2 Pole is connected, and the P pole of diode D3 is connected with the colelctor electrode of audion VT4, N pole and control chip The RESET pin of U1 is connected, and the N pole of diode D4 is connected with the N pole of diode D3, P pole It is connected with the N pole of diode D2.

Wherein, the emitter stage of audion VT3 is connected with the base stage of audion VT4, the N of diode D2 Pole is connected with the negative pole of electric capacity C6, and electromagnetic valve M is arranged in parallel with diode D3, switch S one end with The P pole of diode D3 is connected, the other end is connected with the N pole of diode D2, audion VT3's Colelctor electrode is connected with the N pole of diode D4, and the N pole of diode D4 and P pole form this switch drive The power input of circuit.

As in figure 2 it is shown, signal damping circuit is by audion VT5, audion VT6, metal-oxide-semiconductor Q1, electricity Resistance R12, resistance R12, resistance R13, resistance R14, resistance R15, resistance R16, resistance R17, electricity Resistance R18, electric capacity C8, electric capacity C9, electric capacity C10, and electric capacity C11 composition.

During connection, the positive pole of electric capacity C9 is connected with the base stage of audion VT5, negative pole and audion VT5 Colelctor electrode be connected, the negative pole of electric capacity C8 is connected with the base stage of audion VT5, positive pole is through resistance R18 Emitter stage with audion VT5 is connected afterwards, and one end of resistance R12 is connected with the emitter stage of audion VT5 Connect, other end positive pole with electric capacity C8 after resistance R13 is connected, one end of resistance R14 and audion The colelctor electrode of VT6 is connected, the other end is connected with the junction point of resistance R12 and resistance R13, resistance R17 Positive pole be connected with the negative pole of electric capacity C9, negative pole after resistance R17 with the emitter stage phase of audion VT6 Connecting, the positive pole of electric capacity C11 is connected with the colelctor electrode of audion VT6, the leakage of negative pole and metal-oxide-semiconductor Q1 Pole is connected, and one end of resistance R15 is connected with the positive pole of electric capacity C11, the other end and metal-oxide-semiconductor Q1 Grid is connected, and one end of resistance R16 is connected with the emitter stage of audion VT6, the other end and electric capacity C11 Negative pole be connected.

Wherein, the emitter stage of audion VT5 is connected with the base stage of audion VT6, the positive pole of electric capacity C10 The source of ground connection, the minus earth of electric capacity C10, the junction point of resistance R12 and resistance R13 and metal-oxide-semiconductor Q1 Pole is connected, and the base stage of audion VT5 is as the input of this signal damping circuit, the leakage of metal-oxide-semiconductor Q1 Pole is connected with the base stage of audion VT1 as the outfan of this signal damping circuit, the base stage of audion VT5 Connecing, the drain electrode of metal-oxide-semiconductor Q1 is connected with the negative pole of electric capacity C3.

During installation, electromagnetic valve is arranged on the water supply line of faucet, and inputs a signal into end Vin and people Body induction apparatus is connected, and is finally connected with power supply by power input.

Wherein, human inductor selects human body infrared induction apparatus, and this human inductor is arranged on faucet, The angle of its sensing is 120 ° of faucet front, and farthest distance of reaction is 5 meters；Power supply selects domestic to power Power supply or accumulator.

During use, when subscriber station is in the induction range of human inductor, human inductor sends triggering letter Number, this triggering signal conduction audion VT1 and audion VT2 so that the emitter stage of audion VT1 is low Level, thus the OUT pin of trigger control chip is high level turn-on transistor VT3 and audion VT4, So that electromagnetic valve must conduct, when user opens faucet then faucet by normal water outlet；And work as people When leaving human inductor, audion VT1 and audion VT2 disconnects, the OUT pipe of control chip U1 Foot is low level, and audion VT3 and audion VT4 also disconnects, and electromagnetic valve dead electricity closes, so that supply Waterpipe blocks, and faucet stops water outlet；Need faucet away from keyboard user and need it to continue water outlet Time, only switch S need to be closed.

According to signal, the present invention can determine whether that people is using faucet, when judging unmanned use faucet, System will automatically control electromagnetic valve and block, thus reach to control faucet and stop the purpose of water outlet, its effect of economizing on water Fruit can promote 50%-70% compared to existing faucet, be the most also avoided that water overflow and to living environment The impact caused, preferably protects living environment and the personal safety of user.The present invention is by arranging signal The normal use of system can preferably be protected by buffer circuit, prevents first device of signal fluctuation bigger damage system Part, it is possible to extend the service life of system 3-5, greatly reduce maintenance and the replacement cost of system.

As it has been described above, just can well realize the present invention.

Claims (6)

1. it is provided with the faucet intelligence control system of signal damping circuit, it is characterised in that: include being arranged on Electromagnetic valve M on supply channel, the control chip U1 that electromagnetic valve M is connected, with control core while of positive pole The electric capacity that THRES pin is connected with TRIG pin, negative pole is connected with GND pin of sheet U1 C5, positive pole is connected with the CONT pin of control chip U1, the GND of negative pole and control chip U1 The electric capacity C6 that pin is connected, the switch driving circuit being connected with control chip U1 respectively and signal judge Circuit, the signal input circuit being connected with signal judging circuit, and be connected with signal judging circuit Signal damping circuit；Wherein, the model of control chip U1 is NE555.

The faucet intelligence control system being provided with signal damping circuit the most according to claim 1, its It is characterised by: described signal damping circuit is by audion VT5, audion VT6, metal-oxide-semiconductor Q1, positive pole Be connected with the base stage of audion VT5, electric capacity C9 that negative pole is connected with the colelctor electrode of audion VT5, Negative pole is connected with the base stage of audion VT5, positive pole after resistance R18 with the emitter stage phase of audion VT5 Connect electric capacity C8, one end is connected with the emitter stage of audion VT5, the other end after resistance R13 with electricity Hold the resistance R12 that is connected of positive pole of C8, one end is connected with the colelctor electrode of audion VT6, the other end and The resistance R14 that the junction point of resistance R12 and resistance R13 is connected, positive pole is connected with the negative pole of electric capacity C9 Connect, resistance R17 that negative pole emitter stage with audion VT6 after resistance R17 is connected, positive pole and three poles The electric capacity C11 that the colelctor electrode of pipe VT6 is connected, negative pole is connected with the drain electrode of metal-oxide-semiconductor Q1, one end with The resistance R15 that the positive pole of electric capacity C11 is connected, the other end is connected with the grid of metal-oxide-semiconductor Q1, and The resistance R16 that one end is connected with the emitter stage of audion VT6, the other end is connected with the negative pole of electric capacity C11 Composition；Wherein, the emitter stage of audion VT5 is connected with the base stage of audion VT6, and electric capacity C10 is just Pole ground connection, the minus earth of electric capacity C10, the junction point of resistance R12 and resistance R13 and metal-oxide-semiconductor Q1 Source electrode be connected, the base stage of audion VT5 is as the input of this signal damping circuit, metal-oxide-semiconductor Q1 Drain electrode as the outfan of this signal damping circuit.

The faucet intelligence control system being provided with signal damping circuit the most according to claim 2, its Be characterised by: described signal input circuit by operational amplifier P1, operational amplifier P2, one end ground connection, another Resistance R1, the P pole that one end is connected with the positive input terminal of operational amplifier P1 is defeated with operational amplifier P1's Go out end be connected, diode D1 that N pole is connected with the negative input end of operational amplifier P1, minus earth, The electric capacity C1 that positive pole is connected with the positive input terminal of operational amplifier P2, the N pole phase of one end and diode D1 The resistance R3 that connection, the other end are connected with the positive pole of electric capacity C1, one end is the most defeated with operational amplifier P1's Enter the resistance R2 that end is connected, the other end is connected with the positive pole of electric capacity C1, be serially connected in operational amplifier P2 Negative input end and outfan between resistance R4, and minus earth, positive pole and operational amplifier P2 The electric capacity C2 composition that outfan is connected；Wherein, the positive input terminal of operational amplifier P1 is defeated as this signal Enter the signal input part Vin of circuit.

The faucet intelligence control system being provided with signal damping circuit the most according to claim 3, its It is characterised by: described signal judging circuit is by audion VT1, audion VT2, and one end is with electric capacity C2 just The resistance R5 that pole is connected, the other end is connected with the base stage of audion VT1, positive pole and audion VT1 The electric capacity C3 that base stage is connected, negative pole is connected with the negative pole of electric capacity C5, positive pole and audion VT1's The electric capacity C4 that colelctor electrode is connected, negative pole is connected with the negative pole of electric capacity C3, one end is simultaneously and control chip The VCC pin of U1 is connected with RESET pin, the other end is connected with the colelctor electrode of audion VT2 Resistance R6, and one end is connected with the emitter stage of audion VT2, the negative pole phase of the other end and electric capacity C4 The resistance R7 composition connected；Wherein, the colelctor electrode of audion VT1 is connected with the base stage of audion VT2, The emitter stage of audion VT1 is connected with the positive pole of electric capacity C5.

The faucet intelligence control system being provided with signal damping circuit the most according to claim 4, its It is characterised by: described switch driving circuit is by audion VT3, audion VT4, and switch S, P pole is through resistance After R9 the base stage with audion VT3 be connected, N pole after resistance R11 with the emitter stage of audion VT4 The diode D2 being connected, one end is connected with the P pole of diode D2, the other end and control chip U1 OUT pin the resistance R8, the resistance R10 being arranged in parallel with diode D2 that are connected, positive pole and two poles Electric capacity C7, the P pole that the P pole of pipe D2 is connected, negative pole is connected with the N pole of diode D2 and three poles The diode that the colelctor electrode of pipe VT4 is connected, N pole is connected with the RESET pin of control chip U1 D3, and N pole is connected with the N pole of diode D3, P pole is connected with the N pole of diode D2 Diode D4 forms；Wherein, the emitter stage of audion VT3 is connected with the base stage of audion VT4, and two The N pole of pole pipe D2 is connected with the negative pole of electric capacity C6, and electromagnetic valve M is arranged in parallel with diode D3, opens One end of pass S is connected with the P pole of diode D3, the other end is connected with the N pole of diode D2, and three The colelctor electrode of pole pipe VT3 is connected with the N pole of diode D4, and the N pole of diode D4 forms with P pole The power input of this switch driving circuit.

The faucet intelligence control system being provided with signal damping circuit the most according to claim 5, its It is characterised by: the base stage of described audion VT5 is connected with the base stage of audion VT1, metal-oxide-semiconductor Q1 Drain electrode be connected with the negative pole of electric capacity C3.