CN2117411U - Automatic flushing toilet - Google Patents

Abstract

The utility model provides a urinal automatic flushing device which has the advantages of advanced technique and practical effect. By making use of the infrared light principle, the self-locking control of the mechanical action can be realized by an integrated circuit system. When a human body enters into the urinal range for a period of time and leaves, electromagnets are attracted with each other by a circuit, and a mechanical device is driven; so the valve ball of the flushing pipe of the toilet is pushed, the water can dash out, and the electricity loss and the release of the electromagnets can be realized by the circuit after the definite time is formed; thereby, the mechanism device can drive the valve ball to reset to the original position. Beforehand, the delay time and the flushing flow quantity of the mechanical action are totally can be given in circuit; thereby, the utility model is particularly suitable for the toilets of a hotel, a household, etc.

Description

Automatic flushing toilet

The utility model relates to a kind of urinal bath device, particularly utilizes the infrared reflection principle to carry out the flowing water novel urinal bath device of control automatically.

Carry out the existing what is heard of automatic control of instrument, device now by the infrared rays principle, pedal or photo-electric control running tap are also seen.But use the infrared light principle to urinal bath carrying out automatic control, and action is regularly accurately, this advanced person's autocontrol mode, also not seen at home has report.

The utility model will successfully use the infrared light principle exactly, by circuit urinal is washed by water and carries out the control of a series of mechanical self-latchings actions, thereby reach the purpose of urinal bath automatic control.

Task of the present utility model is achieved in that on the vertical water pipe at urinal rear portion a pair of infrared tube is arranged, and when human body entered the urinal district, infrared emission was in control signal, circuit memory human body reflected signal.After human body left, infrared receiving tube lost reflected signal, time circuit generation time-lag action, and circuit turn-on then, electromagnet energising work, pull bar moves, and the push rod that is connected with pull bar in the bath device backs down ball sealer, water outflow flushing toilet bowl.After the certain time, circuit is had an effect once more, and electromagnet returns the original place because of the obstructed dead electricity in loop discharges under spring action, and push rod moves down, and ball sealer falls, stifled tight flowing water under hydraulic action.When human body entered the urinal district once more, the circuit mechanical device just repeated above-mentioned action again, thereby had realized by the infrared rays principle urinal flowing water being carried out the purpose of automatic control well.

Be described further again below in conjunction with accompanying drawing.

Fig. 1 is the utility model mechanical self-locking device schematic diagram.

Fig. 2 is the utility model electrical principle overall block-diagram.

Fig. 3 is the utility model power supply voltage stabilizing rectifying circuit figure.

Fig. 4 is the utility model modulation of infrared rays radiating portion wiring diagram.

Fig. 5 is that the utility model receives amplification frequency-selecting detecting circuit figure.

Fig. 6 is the utility model shaping amplification output circuit figure.

Fig. 7 is the utility model time circuit figure.

Fig. 8 is that the utility model drives forceful electric power output circuit figure.

As can be seen from Figure 1, the utility model mechanical self-locking device mainly contains following parts composition: Circuits System 1, infrared transmitting tube 2, infrared receiving tube 3, electromagnet 4, pin 5, water pipe lower contact 6, sealing ring 7, water are taken over body 8, sealing shroud 9, pull bar 10, rod head 11, cover plate 12, push rod 13, bearing 14, sealing mat 15, pad 16, water pipe top connection 17, ball sealer 18 and housing 19.Ball sealer 18 is positioned at water and takes over body 8 middle and upper parts, pull bar 10 fuses by pin 5 with electromagnet 4, be positioned at this bath device center, flexibly connect with a push rod 13 between pull bar 10 and the ball sealer 18, ball sealer 18 is done up and down with the move left and right of pull bar 10, open or close fluviation thereby play.

Fig. 1 now is in closed condition, and when human body entered the urinal district, infrared transmitting tube 2 obtained signal, Circuits System 1 memory human body reflected signal.After human body leaves, infrared receiving tube 3 loses reflected signal, time circuit generation time-lag action, circuit turn-on behind the continuity certain hour, electromagnet 4 energising adhesives drive pull bar 10 together to left movement thereupon, and pull bar 10 pulling push rods 13 are done amplitude of oscillation motion then, special shape by push rod 13 heads backs down ball sealer 18, and water is just taken over body 8 through water and flowed down flushing toilet bowl like this.Behind the flowing water flushing certain hour, circuit is had an effect once more, electromagnet 4 is obstructed because of the loop, dead electricity and discharging under spring action, drives pull bar 10, push rod 13 involution original positions then, ball sealer 18 falls thereupon, push down sealing mat 15, under hydraulic action, block flowing water, promptly all be returned to the existing inactive state of Fig. 1.Ball sealer 18 is generally glass marble, and water is taken over body 8 and fused with housing 19, and electric components such as Circuits System 1, infrared tube 2,3, electromagnet 4 are all in housing 19.Water is taken over upward, and lower contact 12,6 closely is connected by sealing ring 7 with original urinal jet water spout two respectively.When human body entered the urinal district once more, the entire circuit mechanical device just repeated above-mentioned action again, thereby reached the purpose of urinal flowing water automatic control fully.Human body leaves the delay time and the flowing water washing time in urinal district and all can set in circuit in advance.

Below we more in conjunction with the accompanying drawings 3--8 the circuit control principle of mechanical self-locking device is described in detail.

Fig. 2, i.e. electrical control process block diagram with obtaining division in the accompanying drawing narration afterwards, omits at this.

Fig. 3, civil power 220V alternating current divide two-way to supply complete machine work: the one tunnel through 12V AC transformer transformation, full-bridge IC ₁Rectification is again through 7809 three terminal regulator (IC ₂) voltage stabilizing output+9V

DC voltage is for control circuit board work, C ₅, C ₆, C ₇Be filter capacitor; Another road is subjected to bidirectional triode thyristor control IC ₅The break-make control of (12A, 800V is controlled by circuit board), and through full-bridge (D ₈～D ₁₁Form) rectification, output dc voltage is for driving load (electromagnet) work.C ₂₁And D ₁₂Be the protection original paper.

Fig. 4 during inactive state, has only radiating circuit in work.Radiating circuit is by two phase inverters and R ₁, R ₂, W ₁, C ₅, T ₁, D ₁, D ₂, R ₃, R ₄Deng composition, two phase inverters and R ₁, R ₂, W ₁, C ₅Form the frequency oscillator of 35KHz～45KHz, this signal is through R ₃, T ₁Amplify and drive infrared transmitting tube D ₂Launch the pulsed beams infrared light about 40KHz.The radiating circuit long-term work provides light source for reflection receives.D ₁Play stabilization, W ₁Be regulating frequency resistance, R ₄Be current-limiting resistance, protection D ₂Unlikelyly crossed heavy current and burnt out.

Fig. 5, when the people entered the launch site, infrared beam promptly was reflected back into receiving tube D ₃, through C ₉Coupling is to T ₂Amplify, again through C ₁₁Be coupled to by T ₃, C ₁₂, composition such as L selective frequency amplifier circuit carry out frequency-selecting and amplify, and by C ₁₃Coupling output is arrived by triode T ₄, diode D ₄, R ₁₁, R ₁₂, R ₁₃, C ₁₅Carry out detection output Deng the detecting circuit of forming.Fig. 6, the output signal after this detection is again through three phase inverters and IC ₃, D ₆, C ₁₈Carry out the shaping amplification Deng the shaping amplification circuit of forming, make it to satisfy certain requirement, C ₁₆, Integration makes signal can successfully deliver to shaping amplification circuit, the D among other and Fig. 5 ₃And T ₂, T ₃, T ₄Relevant peripheral cell is auxiliary element, for the picking up of signal, amplification, frequency-selecting, detection etc. provide suitable operating point.Under the situation that human body exists, receiving tube D ₃, amplifier tube T ₂, T ₃, T ₄Keep above-mentioned duty constant Deng the receiving circuit of forming always.

Fig. 7, when human body remains on the echo area, by receive amplifying circuit output (specifically, by D ₆Output) signal delivers to C ₁₈And R ₁₆, C ₁₇, IC ₄, D ₇, C ₂₀Deng the time circuit of forming.At human body duration of existence, D ₇No-output, C ₁₈With IC ₄Together, memory human body reflected signal.

After the people left, receiving tube D was carried in the front ₃Lose folded light beam, T ₂, T ₃, T ₄Promptly stop to amplify the frequency-selecting state in circuit, at this moment T ₄No detection output signal output, D ₆Also lose output.At this moment, C ₁₈And IC ₄Start working (time-delay), (time-delay is by C after 15 seconds ₁₈Decision can be set time-delay length as required), D ₇Begin output, at time circuit R ₁₆, C ₁₇, IC ₄Effect under, D ₇Output kept for 5 seconds, and (time, length was by R ₁₆, C ₁₇Decision can be selected as required), C ₂₀Be filter spike electric capacity, D ₇Output is R in Fig. 8 ₁₉, T ₆Drive bidirectional triode thyristor IC ₅Trigger electrode, make IC ₅At D ₇Have and keep conducting (being 5 seconds of conducting) between period of output.At IC ₅Conduction period, load electromagnet loop promptly forms the closed-loop path, and electromagnet gets electric and (adhesive) 5 seconds of working, during the D no-output, and IC ₅End electromagnet quit work because of the loop is obstructed (release).Thereby electromagnet is failure to actuate when having realized that the people enters the echo area, and the people leaves back time-delay 15 seconds, action once, its time kept 5 seconds, all the other situations all are failure to actuate.

When human body entered the echo area again, circuit began above-mentioned duty again.Electromagnet drives blocking mechanism, action once be flowing water once.Other situation is flowing water not all.

In sum, we learn, by the infrared light principle, when human body enters after urinal district a period of time leaves, circuit is just controlled the flowing water flushing toilet bowl voluntarily.Perdurabgility and bath flow that human body leaves behind the urinal all can be set in advance.So both award the time that human body arrangement clothing holds, can set flow according to former urinal water pipe size again, be unlikely to cause water waste.Thereby this bath device is specially adapted to washrooms such as hotel, family, not only convenient but also material benefit.

Claims (8)

1, a kind of infrared automatic control urinal bath device, mainly form by mechanical self-locking device and control circuit two parts, when human body enters the urinal district, infrared emission is in control signal, circuit memory human body reflected signal, after human body leaves, infrared receiving tube loses reflected signal, time circuit generation time-lag action, circuit turn-on then, electromagnet energising work, pull bar moves, and the push rod that is connected with pull bar in the bath device backs down ball sealer, drives the mechanical disjunctor action in the bath device then, make it automatic streamline or close, it is characterized in that:

A, in mechanical self-locking device water is taken over body 8, a ball sealer 18 is arranged,

B, control circuit are amplified frequency-selecting detecting circuit, shaping amplification output circuit, time delays amplifying circuit and driven the forceful electric power output circuit by modulation transmitter, reception to be formed.

2, bath device according to claim 1 is characterized in that: push rod 13 and pull bar 10 become to flexibly connect between the three in ball sealer 18 bottoms.

3, bath device according to claim 1 is characterized in that: pull bar 10 fixes with electromagnet 4 and is connected.

4, bath device according to claim 1 is characterized in that: the radiating circuit in the control circuit is by two phase inverter F ₁, F ₂And R ₁, R ₂, W ₁, C ₅, T ₁, D ₁, D ₂, R ₃And R ₄Form.

5, bath device according to claim 1 is characterized in that: the reception in the control circuit, amplification, frequency-selecting, detecting circuit are by receiving tube D ₃Receive infrared beam, through C ₉Be coupled to T ₂Amplify, again through C ₁₁Be coupled to by T ₃, C ₁₂, the selective frequency amplifier circuit formed of L carries out frequency-selecting and amplifies, and by C ₁₃Coupling output is arrived by triode T ₄, diode D ₄, R ₁₁, R ₁₂, R ₁₃, C ₁₅The detecting circuit of forming carries out detection output and forms.

6, bath device according to claim 1 is characterized in that: the shaping amplification output circuit in the control circuit is by three phase inverter F ₃, F ₄, F ₅And IC ₃, D ₆, C ₁₈Form.

7, bath device according to claim 1, it is characterized in that: the time circuit in the control circuit is by C ₁₈, R ₁₆, C ₁₇, IC ₄, D ₇And C ₂₀Form.

8, bath device according to claim 1 is characterized in that: the driving forceful electric power output circuit in the control circuit is by R ₁₉, T ₆And IC ₅Form.

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