CN2224872Y - Timing controller for automatic toilet - Google Patents

Abstract

The utility model discloses a timing controller for automatic flushing tanks, which comprises a water level detector of a flushing tank. The automatic timing controller for flushing tanks is characterized in that the water level detector of a flushing tank is connected with an SCM, and the SCM is connected with a control switch circuit through a driving circuit; the control switch circuit is connected with a water inlet electromagnetic valve which is arranged in an automatic flushing tank, the SCM is connected with a clock generator, and the circuits are connected with a power supply. The utility model has the advantages that the water discharge interval time of the flushing tank can be automatically adjusted and save water.

Description

The in good time controller of automatic flushing cistern

The utility model relates to the general control in the control technology, is the electronic automatic controller in a kind of automatic controller, in other words, is a kind of Computer Control Unit.

Existing lavatory flushometer, normally the water level in flushing tank rises to a certain height, and flushing tank promptly begins discharge water, goes round and begins again like this.Because the water inlet pipe of flushing tank is in conducting state always, therefore its discharge water frequency depends on the hydraulic pressure in the running water pipe and the enable possition of manually-operated gate, so just cause following shortcoming: daytime, the toilet user was inferior many, but hydraulic pressure is on the low side, the blanking time of flushing tank discharge water is long, has worsened hygienic conditions; Night, the toilet user was inferior few, but hydraulic pressure is higher, and the blanking time of flushing tank discharge water is short, and the water yield of waste is big, causes feces of toilet excessive sometimes; In the different moment of every day, toilet user's time difference, existing automatic flushing cistern does not adapt to the discharge water regulatory function of different time.

The purpose of this utility model provide a kind of water tank discharge water time interval that can liquidate automatically adjust, the comparatively simple in good time controller of automatic flushing cistern of using water wisely and structure.

Technical solution of the present utility model is: the in good time controller of a kind of automatic flushing cistern, adopted the circuit structure that is different from prior art: a flushing tank water level detector is arranged, the flushing tank water level detector is connected with a single-chip microcomputer, single-chip microcomputer connects a gauge tap circuit through drive circuit, the gauge tap circuit is connected with the entering water electromagnetic valve that is loaded on the automatic flushing cistern water inlet pipe, single-chip microcomputer is connected to clock generator, has power circuit and above-mentioned each circuit to join.

Single-chip microcomputer is connected to operation push-button described in the utility model.Certainly, can not connect under the suitable situation yet, or substitute with other suitable construction.

Single-chip microcomputer described in the utility model also is connected with time display circuit through drive circuit.Certainly, under suitable situation, also can not adopt time display circuit.

Gauge tap circuit described in the utility model adopts controllable silicon or A.C. contactor.Certainly, also can adopt other suitable gauge tap circuit structures.

Flushing tank water level detector described in the utility model adopts float-ball type or Hall unit formula, or is the contact form of conductor with water.Certainly, also can adopt the flushing tank water level detector of other suitable construction forms.

Float-ball type water level detector described in the utility model, by be loaded on ball float in the flushing tank, be loaded on the slide bar on the ball float, the movable contact on slide bar top, the institutes such as stationary contact that are loaded on the bath tank wall form, stationary contact is corresponding with movable contact, and stationary contact has line to be connected to aforementioned single-chip microcomputer.Certainly, also can adopt other suitable specific constructive form.

Single-chip microcomputer described in the utility model also is connected to reset circuit and time correction circuit.Or connect other proper function circuit.

Clock generator described in the utility model is connected to back-up source, and back-up source adopts battery or dry cell.Certainly, also can adopt other form of structure under the suitable situation.

The utility model has the advantages that: the different time in a day, automatically adjust the blanking time of the water tank discharge water that can liquidate, in using water wisely with safeguard to have very big value aspect the sanitation of environment.The automatic flushing cistern lavatory located such as office, hospital, school particularly, because toilet user's time high and low peak boundary is fairly obvious, its using value is bigger.This circuit structure is simple, reliability is high, function is strong, easy to use.

The utility model is described in further detail below in conjunction with drawings and Examples:

Fig. 1 is the theory diagram of the in good time controller of a kind of automatic flushing cistern of the present utility model.

Fig. 2 is the electrical schematic diagram of Fig. 1.

Fig. 3 is adoptable a kind of flushing tank water level detector structural representation in the utility model.

Fig. 1 has described operating principle of the present utility model.A single-chip microcomputer 8049 is arranged, single-chip microcomputer 8049 is connected to clock generator 5 and reset circuit 6, single-chip microcomputer 8049 is connected to display circuit 11 through drive circuit 10, single-chip microcomputer 8049 also connects controllable silicon 7 through drive circuit 8, controllable silicon 7 joins with the entering water electromagnetic valve 12 that is loaded on the automatic flushing cistern water inlet pipe, single-chip microcomputer 8049 also is connected to button A, and power circuit and above-mentioned each circuit of being made up of transformer 1, rectification circuit 2, filter circuit 3, mu balanced circuit 4 join.

Operating principle of the present utility model is: power supply is taken from the 220V lighting circuit, and power supply taps into water solenoid valve through controllable silicon or A.C. contactor.The power supply step-down is after connect clock generator, chip microprocessor behind the filter rectification.Chip microprocessor with store function is equipped with according to the toilet user inferior---time statistical law, the program that the in good time control electromagnetic valve of establishment is opened.The input signal of chip microprocessor is the fiducial time of electronic clock and the water level signal of water level detector, chip microprocessor is handled these signals by the program of establishment, control end to controllable silicon (or A.C. contactor) is operated, thus the opening time of automatic adjustment and control electromagnetic valve.Do not disappear fiducial time when guaranteeing that mains lighting supply has a power failure, clock generator is equipped with back-up source, as battery or dry cell.

Fig. 2 has described an embodiment of the present utility model.This example is a core with a single-chip microcomputer 8049, and 2,3 pin of single-chip microcomputer 8049 are connected to the clock generator that is made of crystal oscillator JT, capacitor C 8, C9.35,36 pin of single-chip microcomputer 8049 connect time display 11 (adopting common displaying block) through resistance R 8, R9, triode BG5, BG6, resistance R 10, R11.21,22,23 pin of single-chip microcomputer 8049 are connected to button A1, A2, A3, and button A1 is a display key, and button A2, A3 are respectively hour, minute and adjust key.16 pin of single-chip microcomputer 8049 connect the control utmost point of controllable silicon TR through resistance R 3, triode BG3, and controllable silicon TR and entering water electromagnetic valve L are connected in the 220V civil power jointly.Controllable silicon TR is connected to capacitor C 11 and R4 between the two poles of the earth, and controllable silicon TR one utmost point is connected to capacitor C 6 with the control interpolar.The transformer B that joins with the 220V civil power, the rectifier bridge that constitutes via diode D1-D4 be through filter capacitor C1, C2, again through regulator block 7805 generations+5V dc sources supply with respectively single-chip microcomputer 8049 and other each about circuit.The water level detector K switch links to each other with single-chip microcomputer 8049 with controllable silicon TR respectively through capacitor C 10, resistance R 12, triode BG7.4,7 pin of single-chip microcomputer 8049 also are connected to the reset circuit that is made of resistance R 5, R6, R7, capacitor C 7, diode D5, triode BG1, BG2 etc.Also have triode BG4, resistance R 1, R2, capacitor C 3, C4, C5, triode BG4 etc. in the foregoing circuit.

Fig. 3 has described adoptable a kind of water level detector in the utility model.A ball float 34 is housed in flushing tank 31, slide bar 37 is housed on the ball float 34, movable contact 35 is housed on the slide bar 37, the stationary contact 36 relative with movable contact 35 is housed on the wall of flushing tank 31, stationary contact 36 is connected to the lead 38 that links to each other with aforementioned chip microprocessor.Behind the flushing tank discharge water, ball float and slide bar utilize self gravitation to fall, and movable contact connects stationary contact, controllable silicon or A.C. contactor conducting, and electromagnetic valve begins to intake to flushing tank, and cistern water level rises.When water level rose to retaining line 33, ball float was by the disconnected stationary contact in slide bar top, and electromagnetic valve promptly stops into water.When to the discharge water time point, chip microprocessor judges at first whether stationary contact disconnects, if disconnect, the water inlet of chip microprocessor control electromagnetic valve, cistern water level rises, rise to when discharging water line 32, automatic flushing cistern discharge water, stationary contact are connected, and chip microprocessor is received the control of promptly withdrawing from after this connection signal electromagnetic valve.

Claims (8)

1, the in good time controller of a kind of automatic flushing cistern, it is characterized in that: a flushing tank water level detector is arranged, the flushing tank water level detector is connected with a single-chip microcomputer, single-chip microcomputer connects a gauge tap circuit through drive circuit, the gauge tap circuit is connected with the entering water electromagnetic valve that is loaded on the automatic flushing cistern water inlet pipe, single-chip microcomputer is connected to clock generator, has power circuit and above-mentioned each circuit to join.

2, the in good time controller of automatic flushing cistern according to claim 1, it is characterized in that: described single-chip microcomputer also is connected with time display circuit through drive circuit.

3, the in good time controller of automatic flushing cistern according to claim 1 and 2, it is characterized in that: described single-chip microcomputer is connected to operation push-button.

4, the in good time controller of automatic flushing cistern according to claim 1 and 2 is characterized in that: described gauge tap circuit adopts controllable silicon or A.C. contactor.

5, the in good time controller of automatic flushing cistern according to claim 1 and 2 is characterized in that: described flushing tank water level detector adopts float-ball type or Hall device formula, or is the contact form of conductor with water.

6, the in good time controller of automatic flushing cistern according to claim 5, it is characterized in that: described float-ball type water level detector, by be loaded on ball float in the flushing tank, be loaded on the slide bar on the ball float, the movable contact on slide bar top, the institutes such as stationary contact that are loaded on the bath tank wall form, stationary contact is corresponding with movable contact, and stationary contact has line to be connected to aforementioned single-chip microcomputer.

7, the in good time controller of automatic flushing cistern according to claim 1 and 2, it is characterized in that: described single-chip microcomputer also is connected to reset circuit and time correction circuit.

8, the in good time controller of automatic flushing cistern according to claim 1 and 2, it is characterized in that: described clock generator is connected to back-up source, and back-up source adopts battery or dry cell.