CN2576822Y

CN2576822Y - Automatic-flushing water-saving closet capable of distinguishing stool and urine

Info

Publication number: CN2576822Y
Application number: CN 02256516
Authority: CN
Inventors: 谭启仁
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-09-20
Filing date: 2002-09-20
Publication date: 2003-10-01
Anticipated expiration: 2012-09-20

Abstract

The utility model relates to an automatic-flushing water-saving closet capable of distinguishing stool and urine, which belongs to a water controlling device using infrared induction and microelectronic technique, and is suitable for automatically controlling the using amount of water and electricity in a washroom. The utility model is mainly characterized in that a water inlet and a water outlet of a water tank of the closet are respectively provided with a water feeding electromagnetic valve and a flushing electromagnetic valve which are controlled by an electronic control box, and the interior of the water tank is provided with a water level testing switch. A circuit of the electronic control box is composed of a signal receiving and amplifying circuit which can sense signals of a human body, an SCM main control circuit and a switch execution circuit which are connected stage by stage. The utility model can realize distinguishing water supply according to need of stool and urine, and automatic flushing after urination and defecation without manual intervention. The utility model solves the problem that the traditional closet wastes the water resource and can not ensure instant flushing after urination and defecation. The utility model has the advantages of high intelligent degree and obvious water saving effect, and besides, the utility model is also favorable to sanitation keep.

Description

Can distinguish the excrements saving toilet of flushing automatically

Technical field

The utility model belongs to the water controller of use that adopts infrared thermal releasing electric induction, infrared reception emission and microelectric technique, is suitable for the automatic control to the water power consumption, is particularly suited for the automatic control that toilet seat water and ventilator, illuminating lamp are switched on.

Background technology

Traditional water closet is water on the trunkful at ordinary times, its moisture storage capacity is generally the 9-13 liter, and be to be regardless of the excrements bath mostly, cause the waste of water resource, moreover need the button flushing after an action of the bowels, bring operational inconvenience, particularly public place such as hotel, public lavatory, be difficult to accomplish must dash after an action of the bowels, there is hidden danger in sanitary condition.The applicant is respectively " ZL00246223.0, ZL01278600.4 " in the patent No., title is respectively in the patent of " can distinguish the saving toilet control device that excrements is supplied water ", " the novel water-saving toilet control device that can distinguish excrements water supply ", disclose and a kind ofly delivered to the single-chip microcomputer governor circuit by rpyroelectric infrared sensing or infrared emission, receive mode induction human body signal, control is connected on electromagnetic valve or the pulsating water valve events between running water outlet pipe and the toilet seat water tank inlet again, and realization just needs the technology that fills the tank with water by size.Above-mentioned technology also fails to solve the problem of closet auto-flushing.

Summary of the invention

The utility model is exactly to solve the problem that above-mentioned prior art exists, and provides a kind of and can distinguish the excrements saving toilet of flushing automatically, and this water closet can automatic distinguishing excrements supply water, and can realize again washing water-saving sanitary after an action of the bowels automatically.

The technical solution of the utility model is as follows:

Keep former water closet, the basic structure of water tank etc., and keep in the patented technology of ZL01278600.4, circuit in the Electronic Control Box constitutes: the signal that setting can be experienced human body signal receives and amplifying circuit, the single-chip microcomputer governor circuit, the switch executive circuit connects step by step, also be provided with power circuit, the switch executive circuit connects water control valve respectively, ventilator, the basic comprising of illuminating lamp etc., architectural feature of the present utility model is: go up water control valve 2 and be contained in water tank inlet, flush valve 4 is housed between water outlet of water tank place and the water closet, water level Test Switchboard 3 is housed, flush valve in water tank, the water level Test Switchboard meets the switch executive circuit V in the Electronic Control Box respectively, single-chip microcomputer governor circuit 1V.

The described signal of experiencing human body signal receives and amplifying circuit can be the dynamic sensor circuit I of infrared thermal release electric, also can be infrared emission and reception state induction circuit I I, can also be the combination of above-mentioned two kinds of modes; Described power supply can be a direct current, also can be to exchange again through rectification.Described upward water control valve, flush valve can be impulse electromagnetic valve or washing machine electromagnetic valve, also can be the straight-through or curved three-way electromagnetic valves of non-pulse.The formation of described switch executive circuit adapts with the control valve type that is driven, the i.e. switch executive circuit driving pulse electromagnetic valve that is made of the positive negative pulse stuffing output circuit, the circuit that drives the non-pulse electromagnetic valve are the relay circuit or the SCR control circuit of serial connection switching tube.Also be connected in the described single-chip microcomputer governor circuit and can regulate water supply time and click the touch-switch (QK1, QK2) that supplies water; Described illuminating lamp is the automatic control night light.Described water level Test Switchboard has 2-3 metal detection point at least, promptly comprises 3 detection conductors that can detect 6 premium on currency position shelves, 3 premium on currency position shelves heights of water level and common port at least, only comprises that perhaps can detect 32 of upgrading height of water level and common port detects conductors.

Major advantage of the present utility model is: (1) has kept distinguishing the advantage of excrements automatic loading water, and water-saving result is obvious, and 1/2-2/3 can economize on water; (2) import and export cartridge control valve at water tank, and be controlled by single-chip microcomputer, realize auto-flushing after an action of the bowels, install the water level Test Switchboard again additional, feasible upward water, bath reach unmanned and intervene favourable maintenance health; (3) can control the switching of throwing light in ventilation fan and night automatically.The intelligent degree height of this device helps water saving and environmental protection in a word.

Description of drawings

Fig. 1 is that the utility model totally constitutes schematic diagram

Fig. 2 is the circuit structure block diagram of Electronic Control Box

Fig. 3-the 1st, the circuit theory diagrams of the dynamic sensor circuit I of infrared thermal release electric, infrared emission and reception state induction circuit I I, power circuit VI

Fig. 3-the 2nd, the circuit theory diagrams of single-chip microcomputer governor circuit IV, switch executive circuit V, the touch-switch III (QK1, QK2), water level Test Switchboard 3 (3K1,3K2,3G) and the illuminating lamp automatic control in night that constitute by the positive negative pulse stuffing output circuit

Fig. 4 is the switch executive circuit schematic diagram that is made of the relay circuit that is connected in series switching tube

Fig. 5 only has the dynamic sensor circuit of infrared thermal release electric to constitute the schematic diagram of signal reception and amplifying circuit, and dotted line institute frame partly is the ventilation fan control circuit among the figure

Fig. 6 only has infrared emission and receives the schematic diagram that the state induction circuit constitutes signal reception and amplifying circuit

Among the figure: 1-water tank, 2-entering water electromagnetic valve, 3-water level Test Switchboard, 3K1,3K2,3G-metallic conductor, the 4-electromagnetic valve of washing by water, the 5-Electronic Control Box, the 6-ventilation fan, 7-illuminating lamp, 8-illuminating lamp, the 9-running water pipe, I, II-signal receive and amplifying circuit III-touch-switch, IV-single-chip microcomputer governor circuit, V-switch executive circuit, the VI-power circuit

The specific embodiment

Embodiment 1

Referring to Fig. 1, described its structure of water level Test Switchboard is: vertical direction places the insulating rod periphery in the water tank, be wound with metallic conductor 3K1,3K2,3G according on the not the same water yield each height of water level in water tank, metallic conductor inserts the I/O port of single-chip microcomputer IC1 respectively with lead; But the structure of water level Test Switchboard also only have respectively with lead insert single-chip microcomputer IC1 the I/O port be fixed on the metallic conductor on the different heights of water level in the water tank.

In the present embodiment, metallic conductor adopts quoit or sheet metal.

Referring to Fig. 3-2, described night, the formation of illuminating lamp control circuit was: the photosensitive control circuit that is provided with photosensitive tube LED-2, serial connection triode T7, photosensitive tube LED-2 is high resistance daytime, triode T7 ends, and night, photosensitive tube was low resistance, triode T7 is open-minded, the above-mentioned light resistor signal input single-chip microcomputer IC1 that judges daytime, night, also be provided with the lamp circuit that is made of controllable silicon SCR serial connection illuminating lamp LAMP that is controlled by switch transistor T 8, the base stage of switch transistor T 8 connects the I/O output port of single-chip microcomputer IC1.Photosensitive control circuit judges for it that with the signal input single-chip microcomputer IC1 that daytime low level, night, level changed the switching tube of control point circuit for lamp makes illuminating lamp LAMP work in the conducting at night.

Referring to Fig. 3-2, the structure of described positive negative pulse stuffing output circuit is: be provided with a pair of positive-negative-positive triode T1, T2 and two couples of NPN type triode T3, T4, T5, T6, the base stage of each triode connects the corresponding I/O output of single-chip microcomputer IC1 respectively, triode T1, T3, the colelctor electrode of T5 joins, triode T2, T4, the colelctor electrode of T6 joins, the coil L1 of last water solenoid valve is connected across triode T1 and T3, between the colelctor electrode of T2 and T4, bath electromagnetic valve coil L2 is connected across triode T1 and T5, between the colelctor electrode of T2 and T6, triode T1, the emitter stage of T2 connects positive source, triode T3, T4, T5, the emitter stage of T6 connects power cathode.Impulse electromagnetic valve L1, L2 are in closed condition at first, automatically open when receiving direct impulse, automatically close when receiving reverse impulse, forward and reverse pulse signal is exported by the single-chip processor i/o end, when switch transistor T 1, T4 conducting, entering water electromagnetic valve L1 obtains direct impulse and opens, water on the water tank then, when water level reached the 3K2 (3 liters) of water level Test Switchboard or 3K1 (6 liters) position, 3K2 connection or 3K1,3K2 connected, and this information is sent into single-chip microcomputer IC1, single-chip microcomputer sends control information, switch transistor T 2, T3 conducting, entering water electromagnetic valve L1 obtains reverse impulse, then closes; In like manner, when finishing with the lavatory, single-chip microcomputer sends control information, switch transistor T 1, T6 conducting, bath electromagnetic valve L2 obtains direct impulse and opens automatically, when bath finishes, the water level Test Switchboard is imported single-chip microcomputer with information, then switch transistor T 2, T5 conducting, and bath electromagnetic valve L2 obtains reverse impulse and then closes.

Referring to Fig. 3-1, in the dynamic sensor circuit I of infrared thermal release electric, the S end output of human body infrared induction signal by probe B H, through Fresnel lens, and triode VT1, operational amplifier IC2 secondary amplify, after the filtering, send voltage comparator ic 3 inputs 3, with the reference voltage of input 2 ends relatively, if when human body sensing is arranged, 2 terminal voltages are less than 3 terminal voltages, the output 6 output high level of comparator IC3, then switching tube VT2 conducting and to single-chip microcomputer output useful signal; Hold 6 output low levels during no human body sense, switching tube VT2 ends.In infrared emission and reception state induction circuit I I, frequency f o=1/1.1RC D4, D5, D6 and infraluminescence pipe VD1, triode T1, resistance R * channel radiation infrared light pulse in hex inverter that Phase Lock Loop IC 4 modulation produce.The human body sensing reflected signal receives through infrared photosensitive tube VD2, make infrared light pulse change infrared electric pulse into, D1, D2, three grades of amplifications of D3 in hex inverter again, if this signal frequency is identical with phaselocked loop intrinsic frequency fo, then 8 ends of Phase Lock Loop IC 4 are to single-chip microcomputer IC1 output low level useful signal.

Embodiment 2

Referring to Fig. 5, its signal receives with amplifying circuit and only adopts the dynamic sensor circuit of infrared thermal release electric, and all the other structures are identical with embodiment 1, and induction range is 8-10m.

Embodiment 3

Referring to Fig. 6, signal receives with amplifying circuit and only adopts infrared emission and receive the state induction circuit, and all the other structures are identical with embodiment 1, and induction range is 0.5-1m.

Embodiment 4

Referring to Fig. 4, the switch executive circuit is made of the branch road of three switching tube serial connection relays, the base stage of each switch transistor T 13, T14, T15 connects the I/O output port of single-chip microcomputer IC1 respectively through resistance R 3, R2, R1, RB3, RB2, RB1, the colelctor electrode of each switching tube is succeeded the coil of electrical equipment J3, J4, J5 respectively, and contact J3.1, the J4.1 of each relay, J5.1 are connected in series water solenoid valve LA, bath electromagnetic valve LR and ventilation fan L respectively.All the other structures are identical with embodiment 1.

Single-chip microcomputer IC1 can adopt the 8-bit microcontroller of any model, present embodiment adopts PIC16C54 (CF745) chip, and operational amplifier IC2 model is CA3140, and voltage comparator ic 3 adopts the CA3140 type, hex inverter D1-D6 selects 74HC04 (CD4069) type for use, and Phase Lock Loop IC 4 is the LM567 type.

Claims

1, a kind of saving toilet that can distinguish the automatic flushing of excrements, comprise water closet and water tank thereof, Electronic Control Box, the control valve of water tank automatic loading water, circuit in the Electronic Control Box constitutes: the signal that setting can be experienced human body signal receives and amplifying circuit, the single-chip microcomputer governor circuit, the switch executive circuit connects step by step, also be provided with power circuit, the switch executive circuit connects water control valve respectively, ventilator, illuminating lamp, it is characterized in that: go up water control valve (2) and be contained in water tank inlet, flush valve (4) is housed between water outlet of water tank place and the water closet, water level Test Switchboard (3) is housed, flush valve in water tank, the water level Test Switchboard connects the switch executive circuit in the Electronic Control Box respectively, the single-chip microcomputer governor circuit.

2, the saving toilet that can distinguish the automatic flushing of excrements according to claim 1, it is characterized in that: the described signal of experiencing human body signal receives and amplifying circuit can be the dynamic sensor circuit of infrared thermal release electric, also can be infrared emission and reception state induction circuit, can also be the combination of above-mentioned two kinds of modes; Described power supply can be a direct current, also can be to exchange again through rectification.

3, the saving toilet that can distinguish the automatic flushing of excrements according to claim 1 is characterized in that: described upward water control valve, flush valve can be impulse electromagnetic valve or washing machine electromagnetic valve, also can be the straight-through or curved three-way electromagnetic valves of non-pulse.

4, the saving toilet that can distinguish the automatic flushing of excrements according to claim 1, it is characterized in that: the formation of described switch executive circuit adapts with the control valve type that is driven, the i.e. switch executive circuit driving pulse electromagnetic valve that is made of the positive negative pulse stuffing output circuit, the circuit that drives the non-pulse electromagnetic valve are the relay circuit or the SCR control circuit of serial connection switching tube.

5, according to claim 1 or the 4 described saving toilets that can distinguish the automatic flushing of excrements, it is characterized in that: the structure of described positive negative pulse stuffing output circuit is: be provided with a pair of positive-negative-positive triode (T1, T2) and two couples of NPN type triode (T3, T4, T5, T6), the base stage of each triode connects the corresponding I/O output of single-chip microcomputer (IC1) respectively, triode (T1, T3, T5) colelctor electrode joins, triode (T2, T4, T6) colelctor electrode joins, the coil of last water solenoid valve (L1) is connected across triode (T1 and T3, T2 and T4) colelctor electrode between, bath electromagnetic valve coil (L2) is connected across triode (T1 and T5, T2 and T6) colelctor electrode between, triode (T1, T2) emitter stage connects positive source, triode (T3, T4, T5, T6) emitter stage connects power cathode, open when electromagnetic valve receives direct impulse, close when receiving reverse impulse.

6, the saving toilet that can distinguish the automatic flushing of excrements according to claim 1, it is characterized in that: described its structure of water level Test Switchboard is: vertical direction places the insulating rod periphery in the water tank, be wound with metallic conductor (3K1,3K2,3G) according on the not the same water yield each height of water level in water tank, metallic conductor inserts the I/O port of single-chip microcomputer (IC1) respectively with lead; But the structure of water level Test Switchboard also only has the metallic conductor on the different heights of water level in the water tank that is fixed on that inserts single-chip microcomputer (IC1) I/O port respectively with lead.

7, according to claim 1 or the 6 described saving toilets that can distinguish the automatic flushing of excrements, it is characterized in that: described water level Test Switchboard has 2-3 metal detection point at least, promptly comprise 3 detection conductors that can detect 6 premium on currency position shelves, 3 premium on currency position shelves heights of water level and common port at least, only comprise that perhaps can detect 32 of upgrading height of water level and common port detects conductors.

8, the saving toilet that can distinguish the automatic flushing of excrements according to claim 1 is characterized in that: also be connected in the described single-chip microcomputer governor circuit and can regulate water supply time and click the touch-switch (QK1, QK2) that supplies water; Described illuminating lamp is the automatic control night light, the formation of its control circuit is: be provided with photosensitive tube (LED-2), the photosensitive control circuit of serial connection triode (T7), photosensitive tube (LED-2) is high resistance daytime, triode (T7) ends, and night, photosensitive tube was low resistance, (T7) is open-minded for triode, above-mentionedly judge daytime, the light resistor signal input single-chip microcomputer (IC1) at night, also be provided with the lamp circuit by controllable silicon (SCR) serial connection illuminating lamp (LAMP) formation that is controlled by switching tube (T8), the base stage of switching tube (T8) connects an I/O output port of single-chip microcomputer (IC1).