CN2467617Y - Active infrared water-saving device - Google Patents

Abstract

The utility model relates to an active infrared water-saving device, which is composed of a shell body, a control circuit and a micro-power consumption electromagnetic valve, wherein, the control circuit is composed of a single chip computer, an infrared emitting circuit, an infrared receiving circuit, a low voltage detecting and display circuit, a micro-power consumption electromagnetic valve control circuit and a power circuit. The core of the utility model is the single chip computer which stores programs. The single chip computer executes an inner program, and controls the closing and the opening of the micro-power consumption electromagnetic valve according to a detection result, which controls the water discharge and the water discharge time. Thereby, the automatic control of the flushing in the urinal is realized, and the purposes of sanitation and convenience are achieved.

Description

The active infra-red water economizer

The utility model relates to a kind of controller, refers to a kind of monolithic processor controlled active infra-red water economizer especially.

At present, the urinal of uses such as office, restaurant and family is always urinal, and the user washes away by manual control urinal.The shortcoming that this control urinal washes away mode is: 1, in public places, some artificial satellite's business is known not strong or is feared communicate illness, and the untimely urinal that washes away influences sanitation of environment.2, this mode fast spreading disease that manually washes away urinal is especially in public places such as hospital, stations.3, the device of this control urinal bath is a frame for movement, and is perishable, easily aging, fragile.In addition, also have at some high-grade office buildings and to use auto-induction type urinal bath device, but their easy maloperation causes the phenomenon of wasting water.

In view of the foregoing, the purpose of this utility model provides a kind of by monolithic processor controlled full rotation type, water-saving and electricity-saving type, health, active infra-red water economizer easily.

Another purpose of the present utility model provides a kind of service time of long, the energy-saving active infra-red water economizer of little power consumption formula.

Another purpose of the present utility model provides a kind of reliable, the active infra-red water economizer that can regulate discharge time.

For achieving the above object, the utility model adopts following design scheme: a kind of active infra-red water economizer, and it is made up of housing, control circuit and little power consumption electromagnetic valve; Described control circuit is made up of single-chip microcomputer, infrared light emission and receiving circuit, low-voltage detection and display circuit, little power consumption solenoid valve control circuit and power circuit; Transmitting tube in emission of the I/O mouth P0.0 of described single-chip microcomputer and infrared light and the receiving circuit links to each other, and infrared light is launched and the receiving circuit signal output part links to each other with the I/O mouth P0.1 of single-chip microcomputer; Low-voltage detects output signal and links to each other with the P0.2 of single-chip microcomputer, and single-chip microcomputer P0.3～P0.5 links to each other with display circuit; Single-chip microcomputer P1.0, P1.1 link to each other with the control end of little power consumption solenoid valve control circuit; The output of described little power consumption solenoid valve control circuit links to each other with little power consumption electromagnetic valve coil two ends.

Described infrared light emission and receiving circuit adopt active infrared sensing technology detection signal.Described little power consumption electromagnetic valve is the pulse power consumption electromagnetic valve that declines.

Because the single-chip microcomputer that has control program in the utility model adopts is controlled the operation of whole device, automatically whether the someone uses urinal in detection, according to testing result, and the unlatching of control electromagnetic valve or shutoff, whether control discharges water, thereby realizes automatic control, health, purpose easily.Single-chip microcomputer also calculates the bath time automatically, and the time stops to discharge water using water wisely to closing electromagnetic valve automatically.In addition, the utility model adopts micropower circuit, and the pulse power consumption electromagnetic valve that declines, and Overall Power Consumption is reduced.If use 6V～12V powered battery, but continuous operation is more than 1 year.The utility model single-chip microcomputer operation internal processes judges whether that the someone uses urinal really, judge errorless after, the closed electromagnetic valve discharges water, in order to avoid maloperation is wasted water.

Further specify below in conjunction with the drawings and specific embodiments.

Fig. 1 is the utility model circuit theory diagrams.

Fig. 2 is the utility model Single-chip Controlling programme diagram.

The utility model is a kind of monolithic processor controlled active infra-red water economizer, and it is made up of housing, control circuit and little power consumption electromagnetic valve.Control circuit is core of the present utility model, and it mainly is made of the PCI type single-chip microcomputer of interior computer program stored, adopts active infrared line sensing technology, under the control of SCM program, and the opening and closing of control electromagnetic valve, thus control washing away of urinal.

The active infra-red water economizer adopts the active infrared control mode, is characterized in: launch infrared signal earlier by controller, this signal penetrates to the dead ahead by the lens of controller.When this infrared signal runs into human body or other object, will send reflex, controller receives amplification to the infrared signal of human body reflected back, realizes the testing process of human body.

As shown in Figure 1, the utility model control circuit is made up of single-chip microcomputer U1, infrared light emission and receiving circuit 1, low-voltage detection and display circuit 2, little power consumption solenoid valve control circuit 3, regulating circuit 4 and power circuit 5.Transmitting tube in emission of the I/O mouth P0.0 of single-chip microcomputer U1 and infrared light and the receiving circuit 1 links to each other, and infrared light is launched and receiving circuit 1 signal output part links to each other with the I/O mouth P0.1 of single-chip microcomputer U1; Low-voltage detects output signal and links to each other with the P0.2 of U1, and P0.3～P0.5 of U1 links to each other with display circuit 2; The P1.0 of U1, P1.1 link to each other with the control end of little power consumption solenoid valve control circuit 3; The P1.2 of U1 links to each other with regulating circuit 4 with P1.3.

Infrared light emission and receiving circuit 1 are by triode N5, transmitting tube IR, IR1, receiving tube PH, triode N1～N3, and comparator U3:B forms.The P0.0 of single-chip microcomputer U1 (IR) links to each other with infrared light transmitting tube IR by N5; Receiving tube PH links to each other with the positive input of comparator U3:B by triode N1, N2, three grades of amplifications of N3, and the output of U3:B links to each other with the P0.1 (TTT) of single-chip microcomputer U1.The function of this part circuit is: detect whether the someone uses urinal, single-chip microcomputer is carried out internal processes, makes IR constantly launch infrared light, and when the people used urinal, infrared light was blocked by human body, and receiving tube PH receives continuous infrared light; Otherwise when nobody used urinal, receiving tube PH can receive infrared light.

Low pressure detect and display circuit 2 by LED, LED1, LED2, comparator U3:A, form.LED is that relay indicating light links to each other with the P0.3 (LP) of U1, is used to show the utility model duty; LED1 is that voltage indicator lamp links to each other with the P0.4 (SEN) of U1, when power supply is reduced to a certain degree (when battery capacity is lower than system works voltage), and the LED warning of glimmering, battery is changed in prompting; LED2 is that the indicator lamp that discharges water links to each other with the P0.5 (FLSH) of U1.The positive input of voltage comparator U3:A links to each other with the operating voltage VCC of control circuit, and negative terminal links to each other with battery, and the output of comparator U3:A links to each other with the P0.2 of U1 (Btin).

Little power consumption solenoid valve control circuit 3 is made up of four NPN type triode N4, N6～N8 and two positive-negative-positive triode P1, P2, N4, N7 and P1, two push-pull type amplifying circuits of the formation of N6, N8 and P2 symmetry, its output and pulse power consumption electromagnetic valve coil that declines links to each other; The P1.0 of U1 (01) links to each other with N4, the N8 base stage of little power consumption solenoid valve control circuit, and the P1.1 of U1 (02) links to each other the unlatching of control electromagnetic valve or shutoff with the base stage of N6, N7.

Regulating circuit 4 is in series by resistance R 21 and variable resistor POT, and the two ends of circuit link to each other with P1.3 (TO) with the P1.2 of U1 (TIN), and the user can regulate POT as required and change discharge time.

Power circuit 5 by 6V～12V battery BAT ,+3V voltage stabilizing chip U2, electric capacity E1～E4 form, for this control circuit provides+the 3V operating voltage.

In addition, the utility model can also adopt manual mode to wash away urinal.Manually flush button S links to each other with the P1.4 (R) of U1.

With reference to figure 1 and Fig. 2, operating principle of the present utility model is again: after connecting power supply, single-chip microcomputer U1 begins to carry out internal processes.At first, detect whether the someone presses manual flush button, if having the people by, U1 makes solenoid closure, discharges water, the LED2 flicker, U1 calculates discharge time, the time is to stopping to discharge water the U1 rerun routine; If the no one presses the S button, the P0.0 of U1 exports high level, and IR constantly sends infrared light, simultaneously, U1 constantly detects by infrared receiver tube PH whether the someone uses urinal, the LED flicker, U1 detects five times, if beginning any in five times once removes when not receiving signal because of objects in front or human body, U1 does not produce any action, has only when five signals are all received effectively, U1 control electromagnetic valve closure, discharge water, LED does not glimmer, the LED2 flicker; U1 calculates discharge time, and the time discharges water to stopping.

When the U1 detection, when needing the closed electromagnetic valve, P1.1 (02) output low level of the P1.0 of U1 (01) output high level, U1, N6, N7, P2 in little power consumption solenoid valve control circuit end, N4, N8, P1 conducting, electromagnetic valve CL closure, be that electromagnetic valve is opened and begun to discharge water, the LED1 flicker; U1 begins to calculate discharge time, when discharge time reaches the scheduled time, P1.1 (02) the output high level of the P1.0 of U1 (01) output low level, U1, N6, N7 in little power consumption solenoid valve control circuit, P2 conducting, N4, N8, P1 end, electromagnetic valve CL disconnects, and stops to discharge water, and LED1 does not glimmer.

When solenoid closure begins to discharge water, U1 and U3:A testing voltage, when operating voltage is lower than rated voltage, the LED2 flicker, battery is changed in prompting.

Claims (5)

1, a kind of active infra-red water economizer is characterized in that: it is made up of housing, control circuit and little power consumption electromagnetic valve;

Described control circuit is made up of single-chip microcomputer, infrared light emission and receiving circuit, low-voltage detection and display circuit, little power consumption solenoid valve control circuit and power circuit; Transmitting tube in emission of the I/O mouth P0.0 of described single-chip microcomputer and infrared light and the receiving circuit links to each other, and infrared light is launched and the receiving circuit signal output part links to each other with the I/O mouth P0.1 of single-chip microcomputer; Low-voltage detects output signal and links to each other with the P0.2 of single-chip microcomputer, and single-chip microcomputer P0.3～P0.5 links to each other with display circuit; Single-chip microcomputer P1.0, P1.1 link to each other with the control end of little power consumption solenoid valve control circuit;

The output of described little power consumption solenoid valve control circuit links to each other with little power consumption electromagnetic valve coil two ends.

2, according to a kind of active infra-red water economizer shown in the claim 1, it is characterized in that: described control circuit also comprises regulating circuit, and regulating circuit is made of variable resistor, and the P1.2 of single-chip microcomputer links to each other with the regulating circuit two ends with P1.3.

3, according to a kind of active infra-red water economizer shown in the claim 1, it is characterized in that: described infrared light emission and receiving circuit adopt active infrared sensing technology detection signal.

4, according to a kind of active infra-red water economizer shown in the claim 1, it is characterized in that: described single-chip microcomputer is the PIC type single-chip microcomputer of interior computer program stored.

5, according to a kind of active infra-red water economizer shown in the claim 1, it is characterized in that: described little power consumption electromagnetic valve is the pulse power consumption electromagnetic valve that declines.

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