CN208267034U - A kind of Asiatic water closet pan automatic closet flushing device - Google Patents

Abstract

The utility model discloses a kind of Asiatic water closet pan automatic closet flushing device, including crouching formula ceramics toilet bowl ontology, the first compression plate and the second compression plate and Automatic closet flushing control circuit and the bath water pipe for flushing the toilet, solenoid valve for water is provided on water pipe of washing by water；Automatic closet flushing control circuit includes single-chip microcontroller, power circuit, crystal oscillating circuit, reset circuit, first pressure detection circuit, second pressure detection circuit, liquid crystal display circuit, solenoid valve for water control circuit and advertisement machine control circuit, and first pressure detection circuit includes first pressure sensor, the first zeroing circuit, the first signal amplification sample circuit and the first A/D conversion circuit；Second pressure detection circuit includes second pressure sensor, the second zeroing circuit, second signal amplification sample circuit and the 2nd A/D conversion circuit.The utility model perfect in shape and function, it is convenient to realize, high sensitivity, stability is good, strong antijamming capability, and water-saving performance is good, can effectively keep toilet hygiene, convenient for promoting the use of.

Description

A kind of Asiatic water closet pan automatic closet flushing device

Technical field

The utility model belongs to technical field of intelligent equipment, and in particular to a kind of Asiatic water closet pan automatic closet flushing device.

Background technique

As the improvement of people's living standards, public health is more subject to the people's attention, but some public lavatories by In personal quality problem or since the technical issues of Automatic closet flushing leads to the burbulent day of certain Asiatic water closet pan foul smell, bad environments, serious shadow The use for having rung people will have a direct impact on nonlocal tourist to the sense organ of city's city appearance.

In the prior art, the Asiatic water closet pan of public lavatory mode of flushing the toilet generally has: (1) using foot valve, hand by the artificial punching such as valve Lavatory mode；(2) the Automatic closet flushing mode based on infrared induction；(3) timing Automatic closet flushing is used, (1) plants method by individual Health and quality problem, often will appear and do not rush or rush sordid phenomenon, cause lavatory messy；(2) kind method makes With infrared detection, comparison of adjusting the distance is sensitive, often will appear malfunction and flushes the toilet or flush the toilet movement the case where cannot being excited, and And under normal circumstances, infrared detection can carry out flushing the toilet primary when someone is detected, and people flushes the toilet once again after leaving, it is such oneself If the place that dynamic method for toilet flushing is bigger in flow of the people, such as railway station, meeting greatly waste water resource, and can also sometimes Toilet user is frightened, user experience is reduced；(3) kind method is not smart enough, cannot carry out Automatic closet flushing by flow of the people, if Frequency of flushing the toilet is excessively high, also can waste water resource.Also lack that structure is simple, realizes that convenient, functional reliability is high, section in the prior art The Asiatic water closet pan automatic closet flushing device that aqueous energy is good, practical, using effect is good.

Utility model content

The technical problem to be solved by the utility model is in view of the deficiency of the prior art, provide a kind of Asiatic water closet pan Automatic closet flushing device, structure is simple, and rationally, perfect in shape and function, it is convenient to realize, high sensitivity, stability is good, anti-interference energy for design Power is strong, and water-saving performance is good, can effectively keep toilet hygiene, and using effect is good, convenient for promoting the use of.

In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of Asiatic water closet pan automatic closet flushing device, Be characterized in that: including crouching formula ceramics toilet bowl ontology, be fixedly mounted on one batter of crouching formula ceramics toilet bowl ontology step on the first of position by Pressing plate steps on the second compression plate and Automatic closet flushing control electricity of position with another batter of crouching formula ceramics toilet bowl ontology is fixedly mounted on Road and bath water pipe for flushing the toilet are provided with the solenoid valve for water for controlling water outlet of flushing the toilet on the bath water pipe；It is described Automatic closet flushing control circuit includes single-chip microcontroller and the power circuit for electricity consumption module for power supply each in Automatic closet flushing control circuit, and The crystal oscillating circuit and reset circuit to connect with single-chip microcontroller；The input of the single-chip microcontroller is terminated with first pressure detection circuit and second Pressure detection circuit, the first pressure detection circuit include sequentially connected first pressure sensor, the first zeroing circuit, One signal amplification sample circuit and the first A/D conversion circuit, the first pressure sensor are mounted on the first compression plate bottom；Institute Stating second pressure detection circuit includes sequentially connected second pressure sensor, the second zeroing circuit, second signal amplification sampling Circuit and the 2nd A/D conversion circuit, the second pressure detection circuit are mounted on the second compression plate bottom；The single-chip microcontroller it is defeated It is terminated with the liquid crystal display circuit for showing weight, solenoid valve for water control circuit and use for controlling solenoid valve for water out The advertisement machine control circuit of advertisement, the output of the solenoid valve for water and solenoid valve for water control circuit are played in control advertisement machine End connection, the advertisement machine are connect with the output end of advertisement machine control circuit.

Above-mentioned a kind of Asiatic water closet pan automatic closet flushing device, it is characterised in that: the power circuit includes 12V Switching Power Supply, opens Close voltage regulator LM2596, light emitting diode D2, polar capacitor C11, nonpolarity capacitor C12 and resistance R22, the switch electricity The 1st pin of pressure adjuster LM2596 is connect with the 12V voltage output end of 12V Switching Power Supply, the 12V of the 12V Switching Power Supply Voltage output end is the 12V voltage output end of power circuit, and the 2nd pin and the 4th of the regulator LM2596 draws Foot ground connection, the 3rd pin of the regulator LM2596 are the 5V voltage output end of power circuit, the light-emitting diodes The anode of pipe D2, one end of the positive and nonpolar capacitor C12 of polar capacitor C11 connect with the 5V voltage output end of power circuit It connects, the cathode of the light emitting diode D2 is grounded by resistance R22, the cathode of the polar capacitor C11 and nonpolar capacitor C12 The other end be grounded.

Above-mentioned a kind of Asiatic water closet pan automatic closet flushing device, it is characterised in that: the single-chip microcontroller includes AT89C51 system, institute The 31st pin and the 40th pin for stating AT89C51 system are connect with the 5V voltage output end of power circuit, the single-chip microcontroller The 20th pin of AT89C51 is grounded；The crystal oscillating circuit includes crystal oscillator Y1, nonpolarity capacitor C1 and nonpolar capacitor C2, described One end of crystal oscillator Y1 and one end of nonpolar capacitor C1 are connect with the 18th pin of AT89C51 system, the crystal oscillator Y1's One end of the other end and nonpolar capacitor C2 are connect with the 19th pin of AT89C51 system, the nonpolarity capacitor C1's The other end of the other end and nonpolar capacitor C2 are grounded；The reset circuit includes key K1, polar capacitor C9 and resistance Draw with the 9th of AT89C51 system the one end of R24, one end of the key K1, the cathode of polar capacitor C9 and resistance R24 Foot connection, the other end of the key K1 and the anode of polar capacitor C9 are connect with the 5V voltage output end of power circuit, institute State the other end ground connection of resistance R24.

Above-mentioned a kind of Asiatic water closet pan automatic closet flushing device, it is characterised in that: the first pressure sensor is model DYLY- 104 pressure sensor P1, first zeroing circuit include resistance R1, resistance R3, resistance R4, resistance R5, resistance R6, resistance One end of the positive pole and resistance R1 of R7, resistance R8 and slide rheostat RV1, the pressure sensor P1 is and power circuit The connection of 12V voltage output end, the other end of the resistance R1 connect with a fixing end of slide rheostat RV1, the pressure The power cathode of force snesor P1 and one end of resistance R8 are grounded, and the other end of the resistance R8 is with slide rheostat RV1's The connection of another fixing end, one end of the signal cathode output end of the pressure sensor P1 and one end of resistance R3 and resistance R5 It is all connected with, the other end of the resistance R3 is connect with one end of resistance R4, the other end of the resistance R5 and one end of resistance R6 Connection, the other end of the resistance R4, resistance R6 the other end connect and is the of the first zeroing circuit with one end of resistance R7 One signal output end C1, the sliding end of the slide rheostat RV1 are connect with the other end of resistance R7, the pressure sensor P1 Signal cathode output end be the first zeroing circuit second signal output end C2；First signal amplifies sample circuit Model is amplifier AR1 and amplifier AR2, resistance R11, resistance R12, resistance R13, the resistance R14, resistance of AD8072JN The first letter that the 2nd pin of R15, resistance R17 and resistance R18, the amplifier AR1 pass through resistance R13 and the first zeroing circuit Number output end C1 connection, and connect with one end of resistance R11, the other end of the 1st pin and resistance R11 of the amplifier AR1 It is connect by resistance R14 with the 2nd pin of amplifier AR2, the 3rd pin of the amplifier AR1 is adjusted by resistance R15 and first The second signal output end C2 connection of zero circuit, and connect with one end of resistance R17, the 4th pin and electricity of the amplifier AR1 The other end of resistance R17 is grounded, and the 8th pin of the amplifier AR1 and the 5V voltage output end of power circuit connect；It is described to put The 2nd pin of big device AR2 is connect by resistance R12 with the 1st pin of amplifier AR2, and amplifies sample circuit for the first signal Signal output end Vout1, the 3rd pin of the amplifier AR2 connect with one end of resistance R18, the of the amplifier AR2 The other end of 4 pins and resistance R18 are grounded, and the 8th pin of the amplifier AR2 and the 5V voltage output end of power circuit connect It connects；The first A/D conversion circuit includes the A/D conversion chip U3 of model AD7801, and the 1st of the A/D conversion chip U3 the The connection of 3rd pin of pin and AT89C51 system, the 2nd pin of the A/D conversion chip U3 and the amplification of the first signal sample The signal output end Vout1 connection of circuit, the 3rd pin and the 4th pin of the A/D conversion chip U3 are grounded, and the A/D turns The 5th pin and the 8th pin for changing chip U3 are connect with the 5V voltage output end of power circuit, the A/D conversion chip U3's The connection of 1st pin of the 6th pin and AT89C51 system, the 7th pin and AT89C51 system of the A/D conversion chip U3 The 2nd pin connection.

Above-mentioned a kind of Asiatic water closet pan automatic closet flushing device, it is characterised in that: the second pressure sensor is model DYLY- 104 pressure sensor P2, second zeroing circuit include resistance R26, resistance R27, resistance R28, resistance R29, resistance R30, resistance R31, resistance R32 and slide rheostat RV2, the positive pole of the pressure sensor P2 and one end of resistance R26 It is connect with the 12V voltage output end of power circuit, a fixation of the other end and slide rheostat RV2 of the resistance R26 End connection, the power cathode of the pressure sensor P2 and one end of resistance R32 be grounded, the other end of the resistance R32 with Another fixing end of slide rheostat RV2 connects, the signal cathode output end of the pressure sensor P1 and the one of resistance R27 End and one end of resistance R29 are all connected with, and the other end of the resistance R27 is connect with one end of resistance R28, the resistance R29's The other end is connect with one end of resistance R30, one end of the other end of the resistance R28, the other end of resistance R30 and resistance R31 Connection and be the another of sliding end and the resistance R31 of the first signal output end C3, the slide rheostat RV2 of the second zeroing circuit One end connection, the signal cathode output end of the pressure sensor P2 are the second signal output end C4 of the second zeroing circuit；Institute Stating second signal amplification sample circuit includes amplifier AR3 and amplifier AR4, the resistance R33, resistance that model is AD8072JN R34, resistance R35, resistance R36, resistance R37, resistance R38 and resistance R39, the 2nd pin of the amplifier AR3 pass through resistance R33 is connect with the first signal output end C3 of the second zeroing circuit, and is connect with one end of resistance R35, the amplifier AR3's The other end of 1st pin and resistance R35 are connect by resistance R37 with the 2nd pin of amplifier AR4, and the of the amplifier AR3 3 pins are connect by resistance R34 with the second signal output end C4 of the second zeroing circuit, and are connect with one end of resistance R36, institute The other end of the 4th pin and resistance R36 of stating amplifier AR3 is grounded, the 8th pin and power circuit of the amplifier AR3 The connection of 5V voltage output end, the 2nd pin of the amplifier AR4 connect by resistance R38 with the 1st pin of amplifier AR4, Amplify the signal output end Vout2 of sample circuit, one end of the 3rd pin and resistance R39 of the amplifier AR4 for second signal Connection, the 4th pin of the amplifier AR4 and the other end of resistance R39 are grounded, the 8th pin and electricity of the amplifier AR4 The 5V voltage output end of source circuit connects；The 2nd A/D conversion circuit includes the A/D conversion chip U5 of model AD7801, The 1st pin of the A/D conversion chip U5 and the 8th pin of AT89C51 system connect, and the 2nd of the A/D conversion chip U5 the The signal output end Vout2 of pin and second signal amplification sample circuit connect, the 3rd pin of the A/D conversion chip U5 with 4th pin is grounded, and the 5th pin and the 8th pin of the A/D conversion chip U5 connects with the 5V voltage output end of power circuit It connects, the 6th pin of the A/D conversion chip U5 and the 6th pin of AT89C51 system connect, the A/D conversion chip U5's The connection of 7th pin of the 7th pin and AT89C51 system.

Above-mentioned a kind of Asiatic water closet pan automatic closet flushing device, it is characterised in that: the liquid crystal display circuit includes liquid crystal display The 1st pin and the 16th pin of LCD1602 and slide rheostat RV3, the liquid crystal display LCD1602 are grounded, the liquid The 2nd pin of crystal display screen LCD1602 and the 15th pin are connect with the 5V voltage output end of power circuit, the liquid crystal display Screen LCD1602 the 3rd pin connect with the sliding end of slide rheostat RV3, a fixing end of the slide rheostat RV3 and The 5V voltage output end of power circuit connects, another fixing end ground connection of the slide rheostat RV3, the liquid crystal display The 4th~6 pin of LCD1602 is corresponding in turn to be connect with the 32nd~34 pin of AT89C51 system, the liquid crystal display The 7th~14 pin of LCD1602 is corresponding in turn to be connect with the 21st~28 pin of AT89C51 system.

Above-mentioned a kind of Asiatic water closet pan automatic closet flushing device, it is characterised in that: the solenoid valve for water control circuit includes relay Device KM1, triode Q1, switching diode D3 and resistance R23, the triode Q1 base stage pass through resistance R23 and single-chip microcontroller The 4th pin of AT89C51 connects, and the emitter of the triode Q1 and the 5V voltage output end of power circuit connect, and described three The collector of pole pipe Q1 and the cathode of switching diode D3 are connect with one end of relay KM1 coil, the switching diode The anode of D3 and the other end of relay KM1 coil are grounded, the common of the relay KM1 and the electricity of solenoid valve for water Source anode connects, and the normally opened contact of the relay KM1 connects with the output end VCC of the power supply of solenoid valve for water, described The normally-closed contact of relay KM1 is hanging, the power cathode ground connection of the solenoid valve for water.

Above-mentioned a kind of Asiatic water closet pan automatic closet flushing device, it is characterised in that: the advertisement machine control circuit includes relay KM2, triode Q2, switching diode D4 and resistance R25, the triode Q2 base stage pass through resistance R25 and single-chip microcontroller The 5th pin of AT89C51 connects, and the emitter of the triode Q2 and the 5V voltage output end of power circuit connect, and described three The collector of pole pipe Q2 and the cathode of switching diode D4 are connect with one end of relay KM2 coil, the switching diode The anode of D4 and the other end of relay KM2 coil are grounded, and the power supply of the common of the relay KM2 and advertisement machine is just Pole connects, and the normally opened contact of the relay KM2 connects with the output end VCC of the power supply of advertisement machine, the relay KM2 Normally-closed contact it is hanging, the power cathode of advertisement machine ground connection.

Compared with the prior art, the utility model has the following advantages:

1, the utility model has the advantages of simple structure, and rationally, perfect in shape and function, it is convenient to realize for design.

2, the utility model is adopted using the pressure sensor being installed under foot-operated place's compression plate of crouching formula ceramics toilet bowl two sides Collect toilet user's gravitational cue, and signal is adjusted each by zeroing circuit, signal amplification sample circuit and A/D conversion circuit Output can collect more accurate pressure signal to single-chip microcontroller after reason.

3, the utility model can not only carry out Automatic closet flushing by detection pressure signal, moreover it is possible to pass through liquid crystal display circuit It shows toilet user's weight and advertisement video and news is watched by the advertisement machine that advertisement machine control circuit controls, it can certain journey Mediate the boredom of user's Asiatic water closet pan process on degree, perfect in shape and function, using effect is good.

4, the Automatic closet flushing control circuit of the utility model is trampled by detecting the personnel of going to the toilet in the first compression plate and second The variation of the pressure signal generated on compression plate carries out Automatic closet flushing, and high sensitivity, stability is good, strong antijamming capability, energy Toilet hygiene is enough effectively kept, and being capable of effectively save water resource.

5, the utility model is novel can promote the use of various public lavatories, and practical, using effect is good, convenient for pushing away It is wide to use.

In conclusion the utility model has the advantages of simple structure, rationally, perfect in shape and function, it is convenient to realize, high sensitivity, surely for design Qualitative good, strong antijamming capability, water-saving performance is good, can effectively keep toilet hygiene, and using effect is good, makes convenient for promoting With.

Below by drawings and examples, the technical solution of the utility model is described in further detail.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the schematic block circuit diagram of the utility model Automatic closet flushing control circuit.

Fig. 3 is the circuit connection diagram of the utility model power circuit.

Fig. 4 is the circuit connection diagram of the utility model single-chip microcontroller.

Fig. 5 is the circuit connection diagram of the utility model crystal oscillating circuit.

Fig. 6 is the circuit connection diagram of the utility model reset circuit.

Fig. 7 is the circuit diagram of the first zeroing circuit of the utility model.

Fig. 8 is the circuit diagram that the first signal of the utility model amplifies sample circuit.

Fig. 9 is the circuit diagram of the first A/D conversion circuit of the utility model.

Figure 10 is the circuit diagram of the second zeroing circuit of the utility model.

Figure 11 is the circuit diagram that the utility model second signal amplifies sample circuit.

Figure 12 is the circuit diagram of the 2nd A/D conversion circuit of the utility model.

Figure 13 is the circuit diagram of the utility model liquid crystal display circuit.

Figure 14 is the circuit diagram of the utility model solenoid valve for water control circuit.

Figure 15 is the circuit diagram of the utility model advertisement machine control circuit.

Description of symbols:

1-single-chip microcontroller；2-power circuits；3-crystal oscillating circuits；

4-reset circuits；5-first pressure detection circuits；5-1-first pressure sensor；

The first zeroing circuit of 5-2-；The first signal of 5-3-amplifies sample circuit；

The first A/D conversion circuit of 5-4-；6-second pressure detection circuits；

6-1-second pressure sensor；The second zeroing circuit of 6-2-；

The first signal of 6-3-amplifies sample circuit；The 2nd A/D conversion circuit of 6-4-；

7-liquid crystal display circuits；8-solenoid valve for water control circuits；

9-solenoid valve for water；10-advertisement machine control circuits；11-advertisement machines；

12-crouching formula ceramics toilet bowl ontologies；13-the first compression plate；14-the second compression plate；

15-bath water pipes；16-Automatic closet flushing control circuits.

Specific embodiment

As depicted in figs. 1 and 2, the Asiatic water closet pan automatic closet flushing device of the utility model, including it is crouching formula ceramics toilet bowl ontology 12, solid Dingan County steps on the first compression plate 13 of position mounted in 12 1 batter of crouching formula ceramics toilet bowl ontology and is fixedly mounted on crouching formula ceramics toilet bowl Another batter of ontology 12 steps on the second compression plate 14 and Automatic closet flushing control circuit 16 and the bath water pipe for flushing the toilet of position 15, solenoid valve for water 9 for controlling water outlet of flushing the toilet is provided on the bath water pipe 15；The Automatic closet flushing control circuit 16 Including single-chip microcontroller 1 and be the power circuit 2 of electricity consumption module for power supply each in Automatic closet flushing control circuit 16, and with 1 phase of single-chip microcontroller The crystal oscillating circuit 3 and reset circuit 4 connect；The input of the single-chip microcontroller 1 is terminated with first pressure detection circuit 5 and second pressure inspection Slowdown monitoring circuit 6, the first pressure detection circuit 5 include sequentially connected first pressure sensor 5-1, the first zeroing circuit 5-2, First signal amplifies sample circuit 5-3 and the first A/D conversion circuit 5-4, the first pressure sensor 5-1 be mounted on first by 13 bottom of pressing plate；The second pressure detection circuit 6 includes sequentially connected second pressure sensor 6-1, the second zeroing circuit 6-2, second signal amplify sample circuit 6-3 and the 2nd A/D conversion circuit 6-4, and the second pressure detection circuit 6 is mounted on the Two compression plates, 14 bottom；The output of the single-chip microcontroller 1 is terminated with liquid crystal display circuit 7 for showing weight, for controlling water The advertisement machine control circuit 10 of advertisement, institute are played with the solenoid valve for water control circuit 8 of solenoid valve 9 and for controlling advertisement machine 11 It states solenoid valve for water 9 to connect with the output end of solenoid valve for water control circuit 8, the advertisement machine 11 and advertisement machine control circuit 10 Output end connection.

In the present embodiment, as shown in figure 3, the power circuit 2 includes 12V Switching Power Supply, regulator LM2596, light emitting diode D2, polar capacitor C11, nonpolarity capacitor C12 and resistance R22, the regulator The 1st pin of LM2596 is connect with the 12V voltage output end of 12V Switching Power Supply, the 12V voltage output of the 12V Switching Power Supply End is the 12V voltage output end of power circuit 2, and the 2nd pin of the regulator LM2596 and the 4th pin are grounded, The 3rd pin of the regulator LM2596 is the 5V voltage output end of power circuit 2, the light emitting diode D2's Anode, polar capacitor C11 one end of positive and nonpolar capacitor C12 connect with the 5V voltage output end of power circuit 2, institute The cathode for stating light emitting diode D2 is grounded by resistance R22, and the cathode of the polar capacitor C11 is another with nonpolar capacitor C12's One end is grounded.

In the present embodiment, as shown in figure 4, the single-chip microcontroller 1 includes AT89C51 system, the AT89C51 system 31st pin and the 40th pin are connect with the 5V voltage output end of power circuit 2, the 20th pin of the AT89C51 system Ground connection；As shown in figure 5, the crystal oscillating circuit 3 includes crystal oscillator Y1, nonpolarity capacitor C1 and nonpolar capacitor C2, the crystal oscillator Y1 One end and one end of nonpolar capacitor C1 connect with the 18th pin of AT89C51 system, the other end of the crystal oscillator Y1 It is connect with the 19th pin of AT89C51 system with one end of nonpolar capacitor C2, the other end of the nonpolarity capacitor C1 It is grounded with the other end of nonpolar capacitor C2；As shown in fig. 6, the reset circuit 4 includes key K1, polar capacitor C9 and electricity Hinder R24, one end of one end of the key K1, the cathode of polar capacitor C9 and resistance R24 with AT89C51 system the 9th Pin connection, the other end of the key K1 and the anode of polar capacitor C9 are connect with the 5V voltage output end of power circuit 2, The other end of the resistance R24 is grounded.

In the present embodiment, the first pressure sensor 5-1 is the pressure sensor P1, such as Fig. 7 of model DYLY-104 Shown, the first zeroing circuit 5-2 includes resistance R1, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8 With slide rheostat RV1, the positive pole of the pressure sensor P1 and one end of resistance R1 are electric with the 12V of power circuit 2 Output end connection is pressed, the other end of the resistance R1 is connect with a fixing end of slide rheostat RV1, the pressure sensor The power cathode of P1 and one end of resistance R8 are grounded, and another of the other end of the resistance R8 and slide rheostat RV1 are solid Fixed end connection, the signal cathode output end of the pressure sensor P1 and one end of one end of resistance R3 and resistance R5 are all connected with, The other end of the resistance R3 is connect with one end of resistance R4, and the other end of the resistance R5 is connect with one end of resistance R6, institute The other end of the other end, resistance R6 of stating resistance R4 is connected with one end of resistance R7 and first for the first zeroing circuit 5-2 believes Number output end C1, the sliding end of the slide rheostat RV1 are connect with the other end of resistance R7, the letter of the pressure sensor P1 Number cathode output end is the second signal output end C2 of the first zeroing circuit 5-2；As shown in figure 8, the first signal amplification is adopted Sample circuit 5-3 include model be the amplifier AR1 and amplifier AR2 of AD8072JN, resistance R11, resistance R12, resistance R13, Resistance R14, resistance R15, resistance R17 and resistance R18, the amplifier AR1 the 2nd pin returned to zero by resistance R13 with first The first signal output end C1 connection of circuit 5-2, and being connect with one end of resistance R11, the 1st pin of the amplifier AR1 and The other end of resistance R11 is connect by resistance R14 with the 2nd pin of amplifier AR2, and the 3rd pin of the amplifier AR1 passes through Resistance R15 is connect with the second signal output end C2 of the first zeroing circuit 5-2, and is connect with one end of resistance R17, the amplification The 4th pin of device AR1 and the other end of resistance R17 are grounded, the 8th pin of the amplifier AR1 and the 5V electricity of power circuit 2 Press output end connection；The 2nd pin of the amplifier AR2 is connect by resistance R12 with the 1st pin of amplifier AR2, and is the One signal amplifies the signal output end Vout1 of sample circuit 5-3, one end of the 3rd pin and resistance R18 of the amplifier AR2 Connection, the 4th pin of the amplifier AR2 and the other end of resistance R18 are grounded, the 8th pin and electricity of the amplifier AR2 The 5V voltage output end of source circuit 2 connects；As shown in figure 9, the first A/D conversion circuit 5-4 includes model AD7801 The 1st pin of A/D conversion chip U3, the A/D conversion chip U3 and the 3rd pin of AT89C51 system connect, the A/D The 2nd pin of conversion chip U3 is connect with the signal output end Vout1 of the first signal amplification sample circuit 5-3, the A/D conversion The 3rd pin of chip U3 and the 4th pin are grounded, and the 5th pin and the 8th pin of the A/D conversion chip U3 is electric with power supply The 5V voltage output end on road 2 connects, and the 6th pin of the A/D conversion chip U3 and the 1st pin of AT89C51 system connect, The 7th pin of the A/D conversion chip U3 and the 2nd pin of AT89C51 system connect.

In the present embodiment, the second pressure sensor 6-1 is the pressure sensor P2, such as Figure 10 of model DYLY-104 It is shown, the second zeroing circuit 6-2 include resistance R26, resistance R27, resistance R28, resistance R29, resistance R30, resistance R31, One end of the positive pole and resistance R26 of resistance R32 and slide rheostat RV2, the pressure sensor P2 with power circuit 2 The connection of 12V voltage output end, the other end of the resistance R26 connect with a fixing end of slide rheostat RV2, the pressure The power cathode of force snesor P2 and one end of resistance R32 are grounded, the other end and slide rheostat RV2 of the resistance R32 The connection of another fixing end, the signal cathode output end of the pressure sensor P1 and one end of resistance R27 and resistance R29's One end is all connected with, and the other end of the resistance R27 is connect with one end of resistance R28, the other end and resistance of the resistance R29 One end of R30 connects, and the other end of the resistance R28, the other end of resistance R30 connect with one end of resistance R31 and be second The first signal output end C3 of zeroing circuit 6-2, the sliding end of the slide rheostat RV2 are connect with the other end of resistance R31, The signal cathode output end of the pressure sensor P2 is the second signal output end C4 of the second zeroing circuit 6-2；Such as Figure 11 institute Show, the second signal amplification sample circuit 6-3 includes the amplifier AR3 and amplifier AR4, resistance that model is AD8072JN R33, resistance R34, resistance R35, resistance R36, resistance R37, the 2nd pin of resistance R38 and resistance R39, the amplifier AR3 are logical It crosses resistance R33 to connect with the first signal output end C3 of the second zeroing circuit 6-2, and is connect with one end of resistance R35, it is described to put The 1st pin of big device AR3 and the other end of resistance R35 are connect by resistance R37 with the 2nd pin of amplifier AR4, the amplification The 3rd pin of device AR3 is connect by resistance R34 with the second signal output end C4 of the second zeroing circuit 6-2, and with resistance R36 One end connection, the 4th pin of the amplifier AR3 and the other end of resistance R36 be grounded, and the 8th of the amplifier AR3 is drawn Foot is connect with the 5V voltage output end of power circuit 2, and the 2nd pin of the amplifier AR4 passes through resistance R38 and amplifier AR4 The 1st pin connection, for second signal amplify sample circuit 6-3 signal output end Vout2, the 3rd of the amplifier AR4 is drawn Foot is connect with one end of resistance R39, and the 4th pin of the amplifier AR4 and the other end of resistance R39 are grounded, the amplification The 8th pin of device AR4 is connect with the 5V voltage output end of power circuit 2；As shown in figure 12, the 2nd A/D conversion circuit 6-4 The of the 1st pin of A/D conversion chip U5, the A/D conversion chip U5 including model AD7801 and AT89C51 system The connection of 8 pins, the signal output end of the 2nd pin and second signal amplification the sample circuit 6-3 of the A/D conversion chip U5 Vout2 connection, the 3rd pin and the 4th pin of the A/D conversion chip U5 are grounded, and the 5th of the A/D conversion chip U5 is drawn Foot and the 8th pin are connect with the 5V voltage output end of power circuit 2, the 6th pin and single-chip microcontroller of the A/D conversion chip U5 The 6th pin of AT89C51 connects, and the 7th pin of the A/D conversion chip U5 and the 7th pin of AT89C51 system connect.

In the present embodiment, as shown in figure 13, the liquid crystal display circuit 7 includes that liquid crystal display LCD1602 and sliding become Device RV3 is hindered, the 1st pin and the 16th pin of the liquid crystal display LCD1602 is grounded, the liquid crystal display LCD1602 The 2nd pin and the 15th pin connect with the 5V voltage output end of power circuit 2, the 3rd of the liquid crystal display LCD1602 the Pin is connect with the sliding end of slide rheostat RV3, the 5V of a fixing end and power circuit 2 of the slide rheostat RV3 Voltage output end connection, another fixing end ground connection of the slide rheostat RV3, the 4th of the liquid crystal display LCD1602 the ~6 pins are corresponding in turn to be connect with the 32nd~34 pin of AT89C51 system, the liquid crystal display LCD1602 the 7th~ 14 pins are corresponding in turn to be connect with the 21st~28 pin of AT89C51 system.

When it is implemented, the liquid crystal display LCD1602 is mounted on the toilet door back side.

In the present embodiment, as shown in figure 14, the solenoid valve for water control circuit 8 include relay KM1, triode Q1, The base stage of switching diode D3 and resistance R23, the triode Q1 are connected by the 4th pin of resistance R23 and AT89C51 system It connects, the emitter of the triode Q1 is connect with the 5V voltage output end of power circuit 2, the collector of the triode Q1 and is opened The cathode for closing diode D3 is connect with one end of relay KM1 coil, the anode and relay KM1 of the switching diode D3 The other end of coil is grounded, and the common of the relay KM1 connects with the positive pole of solenoid valve for water 9, it is described after The normally opened contact of electric appliance KM1 connects with the output end VCC of the power supply of solenoid valve for water 9, the normally closed touching of the relay KM1 Point is hanging, the power cathode ground connection of the solenoid valve for water 9.

In the present embodiment, as shown in figure 15, the advertisement machine control circuit 10 includes relay KM2, triode Q2, switch The base stage of diode D4 and resistance R25, the triode Q2 are connected by the 5th pin of resistance R25 and AT89C51 system, The emitter of the triode Q2 is connect with the 5V voltage output end of power circuit 2, the collector and switch of the triode Q2 The cathode of diode D4 is connect with one end of relay KM2 coil, the anode and relay KM2 line of the switching diode D4 The other end of circle is grounded, and the common of the relay KM2 connects with the positive pole of advertisement machine 11, the relay The normally opened contact of KM2 connects with the output end VCC of the power supply of advertisement machine 11, and the normally-closed contact of the relay KM2 is hanging, The power cathode of the advertisement machine 11 is grounded.

When the utility model is used, it detects go to the toilet respectively by first pressure sensor 5-1 and second pressure sensor 6-1 Personnel's left foot and right crus of diaphragm trample the pressure signal on the first compression plate 13 and the second compression plate 14, and pressure signal successively passes through all the way Cross the first zeroing circuit 5-2, the first signal amplification sample circuit 5-3 and the first A/D conversion circuit 5-4 returned to zero, amplify and To single-chip microcontroller 1, another way pressure signal successively passes through the second zeroing circuit 6-2, second signal amplification for output after A/D conversion process Sample circuit 6-3 and the 2nd A/D conversion circuit 6-4 returned to zero, amplify and A/D conversion process after output to single-chip microcontroller 1, work as list Piece machine 1, which detects, is judged as that someone is going to the toilet after pressure increases, and shows toilet user's weight by liquid crystal display circuit 7；Meanwhile Single-chip microcontroller 1 makes the advertisement machine for being mounted on the toilet door back side 11 start to play advertisement by advertisement machine control circuit 10, in certain journey The boredom for the personnel's Asiatic water closet pan process that goes to the toilet has been mediated on degree；After the personnel of going to the toilet leave, when single-chip microcontroller 1 detects pressure from increase Become being judged as that the personnel of going to the toilet have left after reducing again, single-chip microcontroller 1 controls solenoid valve for water by solenoid valve for water control circuit 8 9 open certain time such as 5s~15s, carry out Automatic closet flushing, meanwhile, single-chip microcontroller 1 makes to install by advertisement machine control circuit 10 Advertisement machine 11 at the toilet door back side stops playing advertisement, energy saving.

The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all According to any simple modification to the above embodiments of the utility model technical spirit, change and equivalent structural changes, still Belong in the protection scope of technical solutions of the utility model.

Claims (8)

1. a kind of Asiatic water closet pan automatic closet flushing device, it is characterised in that: including crouching formula ceramics toilet bowl ontology (12), be fixedly mounted on crouching formula Ceramic (12) one batter of toilet bowl ontology steps on the first compression plate (13) of position and is fixedly mounted on crouching formula ceramics toilet bowl ontology (12) Another batter steps on the second compression plate (14) and Automatic closet flushing control circuit (16) and the bath water pipe for flushing the toilet of position (15), the solenoid valve for water (9) for controlling water outlet of flushing the toilet is provided on bath water pipe (15)；The Automatic closet flushing control Circuit (16) includes single-chip microcontroller (1) and the power circuit (2) for each electricity consumption module for power supply in Automatic closet flushing control circuit (16), with And the crystal oscillating circuit (3) and reset circuit (4) to connect with single-chip microcontroller (1)；The input of the single-chip microcontroller (1) is terminated with first pressure Detection circuit (5) and second pressure detection circuit (6), the first pressure detection circuit (5) include sequentially connected first pressure Force snesor (5-1), the first zeroing circuit (5-2), the first signal amplification sample circuit (5-3) and the first A/D conversion circuit (5- 4), the first pressure sensor (5-1) is mounted on the first compression plate (13) bottom；Second pressure detection circuit (6) packet Include sequentially connected second pressure sensor (6-1), the second zeroing circuit (6-2), second signal amplification sample circuit (6-3) and 2nd A/D conversion circuit (6-4), the second pressure detection circuit (6) are mounted on the second compression plate (14) bottom；The monolithic The output of machine (1) is terminated with the liquid crystal display circuit (7) for showing weight, the water electricity consumption for controlling solenoid valve for water (9) Magnet valve control circuit (8) and the advertisement machine control circuit (10) that advertisement is played for controlling advertisement machine (11), the water electromagnetism Valve (9) is connect with the output end of solenoid valve for water control circuit (8), the advertisement machine (11) and advertisement machine control circuit (10) Output end connection.

2. a kind of Asiatic water closet pan automatic closet flushing device described in accordance with the claim 1, it is characterised in that: the power circuit (2) includes 12V Switching Power Supply, regulator LM2596, light emitting diode D2, polar capacitor C11, nonpolarity capacitor C12 and resistance The 1st pin of R22, the regulator LM2596 are connect with the 12V voltage output end of 12V Switching Power Supply, the 12V The 12V voltage output end of Switching Power Supply is the 12V voltage output end of power circuit (2), the regulator LM2596 The 2nd pin and the 4th pin ground connection, the 3rd pin of the regulator LM2596 be the 5V voltage of power circuit (2) Output end, the anode of the light emitting diode D2, the positive and nonpolar capacitor C12 of polar capacitor C11 one end and power supply The 5V voltage output end of circuit (2) connects, and the cathode of the light emitting diode D2 is grounded by resistance R22, the polar capacitor The other end of the cathode of C11 and nonpolar capacitor C12 are grounded.

3. a kind of Asiatic water closet pan automatic closet flushing device described in accordance with the claim 1, it is characterised in that: the single-chip microcontroller (1) includes single Piece machine AT89C51, the 5V voltage output of the 31st pin of the AT89C51 system and the 40th pin with power circuit (2) End connection, the 20th pin ground connection of the AT89C51 system；The crystal oscillating circuit (3) includes crystal oscillator Y1, nonpolar capacitor C1 With nonpolar capacitor C2, one end of one end of the crystal oscillator Y1 and nonpolar capacitor C1 are drawn with the 18th of AT89C51 system the One end of foot connection, the other end of the crystal oscillator Y1 and nonpolar capacitor C2 are connect with the 19th pin of AT89C51 system, The other end of the other end of the nonpolarity capacitor C1 and nonpolar capacitor C2 are grounded；The reset circuit (4) includes key K1, polar capacitor C9 and resistance R24, one end of one end of the key K1, the cathode of polar capacitor C9 and resistance R24 with list The 9th pin of piece machine AT89C51 connects, the anode of the other end of the key K1 and polar capacitor C9 with power circuit (2) 5V voltage output end connection, the resistance R24 the other end ground connection.

4. a kind of Asiatic water closet pan automatic closet flushing device described in accordance with the claim 3, it is characterised in that: the first pressure sensor (5-1) is the pressure sensor P1 of model DYLY-104, and first zeroing circuit (5-2) includes resistance R1, resistance R3, electricity Hinder R4, resistance R5, resistance R6, resistance R7, resistance R8 and slide rheostat RV1, the positive pole of the pressure sensor P1 and One end of resistance R1 is connect with the 12V voltage output end of power circuit (2), the other end and slide rheostat of the resistance R1 A fixing end of RV1 connects, and the power cathode of the pressure sensor P1 and one end of resistance R8 are grounded, the resistance R8 The other end connect with another fixing end of slide rheostat RV1, the signal cathode output end of the pressure sensor P1 with One end of resistance R3 and one end of resistance R5 are all connected with, and the other end of the resistance R3 is connect with one end of resistance R4, the electricity The other end of resistance R5 is connect with one end of resistance R6, and the one of the other end of the resistance R4, the other end of resistance R6 and resistance R7 End connection and the first signal output end C1 for the first zeroing circuit (5-2), the sliding end and resistance of the slide rheostat RV1 The other end of R7 connects, and the signal cathode output end of the pressure sensor P1 is the second signal of the first zeroing circuit (5-2) Output end C2；First signal amplification sample circuit (5-3) includes the amplifier AR1 and amplifier that model is AD8072JN AR2, resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, resistance R17 and resistance R18, the amplifier AR1's 2nd pin is connect by resistance R13 with the first signal output end C1 of the first zeroing circuit (5-2), and one end with resistance R11 Connection, the 1st pin of the amplifier AR1 and the other end of resistance R11 are connected by the 2nd pin of resistance R14 and amplifier AR2 It connects, the 3rd pin of the amplifier AR1 is connected by resistance R15 and the second signal output end C2 of the first zeroing circuit (5-2) It connects, and is connect with one end of resistance R17, the 4th pin of the amplifier AR1 and the other end of resistance R17 are grounded, described to put The 8th pin of big device AR1 is connect with the 5V voltage output end of power circuit (2)；The 2nd pin of the amplifier AR2 passes through electricity Resistance R12 is connect with the 1st pin of amplifier AR2, and amplifies the signal output end Vout1 of sample circuit (5-3) for the first signal, The 3rd pin of the amplifier AR2 is connect with one end of resistance R18, and the 4th pin of the amplifier AR2 and resistance R18's is another One end is grounded, and the 8th pin of the amplifier AR2 is connect with the 5V voltage output end of power circuit (2)；First A/D Conversion circuit (5-4) includes the A/D conversion chip U3 of model AD7801, the 1st pin and monolithic of the A/D conversion chip U3 The 3rd pin of machine AT89C51 connects, the 2nd pin of the A/D conversion chip U3 and the first signal amplification sample circuit (5-3) Signal output end Vout1 connection, the 3rd pin and the 4th pin of the A/D conversion chip U3 be grounded, and the A/D converts core The 5th pin of piece U3 and the 8th pin are connect with the 5V voltage output end of power circuit (2), and the of the A/D conversion chip U3 The connection of 1st pin of 6 pins and AT89C51 system, the 7th pin of the A/D conversion chip U3 and AT89C51 system The connection of 2nd pin.

5. a kind of Asiatic water closet pan automatic closet flushing device described in accordance with the claim 3, it is characterised in that: the second pressure sensor (6-1) be model DYLY-104 pressure sensor P2, second zeroing circuit (6-2) include resistance R26, resistance R27, Resistance R28, resistance R29, resistance R30, resistance R31, resistance R32 and slide rheostat RV2, the power supply of the pressure sensor P2 One end of anode and resistance R26 are connect with the 12V voltage output end of power circuit (2), the other end and cunning of the resistance R26 The fixing end connection of dynamic rheostat RV2, the power cathode of the pressure sensor P2 and one end of resistance R32 are grounded, The other end of the resistance R32 is connect with another fixing end of slide rheostat RV2, and the signal of the pressure sensor P1 is just Pole output end is all connected with one end of resistance R27 and one end of resistance R29, the other end of the resistance R27 and the one of resistance R28 End connection, the other end of the resistance R29 connect with one end of resistance R30, the other end of the resistance R28, resistance R30 it is another One end connects with one end of resistance R31 and is the first signal output end C3 of the second zeroing circuit (6-2), the slide rheostat The sliding end of RV2 is connect with the other end of resistance R31, and the signal cathode output end of the pressure sensor P2 is the second zeroing electricity The second signal output end C4 on road (6-2)；It is AD8072JN's that second signal amplification sample circuit (6-3), which includes model, Amplifier AR3 and amplifier AR4, resistance R33, resistance R34, resistance R35, resistance R36, resistance R37, resistance R38 and resistance The 2nd pin of R39, the amplifier AR3 are connected by resistance R33 and the first signal output end C3 of the second zeroing circuit (6-2) Connect, and connect with one end of resistance R35, the other end of the 1st pin of the amplifier AR3 and resistance R35 by resistance R37 with The 2nd pin of amplifier AR4 connects, and the 3rd pin of the amplifier AR3 passes through resistance R34 and the second zeroing circuit (6-2) Second signal output end C4 connection, and being connect with one end of resistance R36, the 4th pin of the amplifier AR3 and resistance R36's The other end is grounded, and the 8th pin of the amplifier AR3 is connect with the 5V voltage output end of power circuit (2), the amplifier The 2nd pin of AR4 is connect by resistance R38 with the 1st pin of amplifier AR4, amplifies sample circuit (6-3) for second signal Signal output end Vout2, the 3rd pin of the amplifier AR4 are connect with one end of resistance R39, and the 4th of the amplifier AR4 the The other end of pin and resistance R39 are grounded, the 8th pin of the amplifier AR4 and the 5V voltage output end of power circuit (2) Connection；The 2nd A/D conversion circuit (6-4) includes the A/D conversion chip U5 of model AD7801, the A/D conversion chip The 1st pin of U5 and the 8th pin of AT89C51 system connect, the 2nd pin and second signal of the A/D conversion chip U5 Amplify the signal output end Vout2 connection of sample circuit (6-3), the 3rd pin and the 4th pin of the A/D conversion chip U5 is equal Ground connection, the 5th pin and the 8th pin of the A/D conversion chip U5 are connect with the 5V voltage output end of power circuit (2), institute 6th pin of the 6th pin and AT89C51 system of stating A/D conversion chip U5 connects, and the 7th of the A/D conversion chip U5 is drawn The connection of 7th pin of foot and AT89C51 system.

6. a kind of Asiatic water closet pan automatic closet flushing device described in accordance with the claim 3, it is characterised in that: the liquid crystal display circuit (7) The 1st pin and the 16th pin including liquid crystal display LCD1602 and slide rheostat RV3, the liquid crystal display LCD1602 It is grounded, 5V voltage output end of the 2nd pin and the 15th pin of the liquid crystal display LCD1602 with power circuit (2) Connection, the 3rd pin of the liquid crystal display LCD1602 are connect with the sliding end of slide rheostat RV3, the slide rheostat A fixing end of RV3 is connect with the 5V voltage output end of power circuit (2), and another of the slide rheostat RV3 is fixed End ground connection, the 4th~6 pin of the liquid crystal display LCD1602 are corresponding in turn to the 32nd~34 pin with AT89C51 system Connection, the 7th~14 pin of the liquid crystal display LCD1602 are corresponding in turn to the 21st~28 pin with AT89C51 system Connection.

7. a kind of Asiatic water closet pan automatic closet flushing device described in accordance with the claim 3, it is characterised in that: the solenoid valve for water control electricity Road (8) includes that relay KM1, triode Q1, switching diode D3 and resistance R23, the base stage of the triode Q1 pass through resistance The connection of 4th pin of R23 and AT89C51 system, the emitter of the triode Q1 and the 5V voltage output of power circuit (2) End connection, the collector of the triode Q1 and the cathode of switching diode D3 are connect with one end of relay KM1 coil, institute The other end of the anode and relay KM1 coil of stating switching diode D3 is grounded, the common and water of the relay KM1 Connected with the positive pole of solenoid valve (9), the power supply of the normally opened contact and solenoid valve for water (9) of the relay KM1 Output end VCC connects, and the normally-closed contact of the relay KM1 is hanging, the power cathode ground connection of the solenoid valve for water (9).

8. a kind of Asiatic water closet pan automatic closet flushing device described in accordance with the claim 3, it is characterised in that: the advertisement machine control circuit It (10) include that relay KM2, triode Q2, switching diode D4 and resistance R25, the base stage of the triode Q2 pass through resistance The connection of 5th pin of R25 and AT89C51 system, the emitter of the triode Q2 and the 5V voltage output of power circuit (2) End connection, the collector of the triode Q2 and the cathode of switching diode D4 are connect with one end of relay KM2 coil, institute The other end of the anode and relay KM2 coil of stating switching diode D4 is grounded, the common of the relay KM2 and wide The positive pole of announcement machine (11) connects, the output end of the power supply of the normally opened contact and advertisement machine (11) of the relay KM2 VCC connects, and the normally-closed contact of the relay KM2 is hanging, the power cathode ground connection of the advertisement machine (11).