Pressure Sensitive Public Restroom Fully Automatic Flush Toilet
A public toilet, fully automatic technology, applied in water supply installations, flushing equipment with water tanks, buildings, etc., can solve problems such as environmental pollution, waste of water resources, misjudgment, etc., to reduce the chance of disease transmission, save water, avoid effect of contact
Inactive Publication Date: 2015-08-05
XUZHOU COLLEGE OF INDAL TECH
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Problems solved by technology
However, through personal experience and social investigation, it is found that these methods have certain shortcomings. For example, the mechanical type is not hygienic because it needs to press the switch by hand, and it will also cause environmental pollution due to forgetting to flush. Although the infrared sensor automatic flusher is relatively Hygienic and convenient, but many infrared sensor automatic flushers start flushing when the user first uses it, resulting in waste of water resources. In addition, infrared sensor may cause misjudgment and cause some unnecessary troubles for users
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[0012] Such as figure 1 As shown, a pressure-sensing fully automatic flushing toilet in a public restroom is mainly composed of a rectifier circuit, a pressure detection circuit, a delay circuit and a solenoid valve drive circuit.
[0013] The rectifier circuit consists of a power switch SA, filter capacitors Cl, C2, rectifier bridge stack UR, and a voltage regulator 7809; the output end of the rectifier bridge stack UR is connected to pin 1 of the voltage stabilizer 7809, and pin 1 of the voltage stabilizer 7809 passes through the capacitor Cl Ground, pin 3 is grounded through capacitor C2. Turn on the power switch SA, the AC voltage is rectified by the bridge stack UR, and stabilized by the voltage regulator 7809 to obtain a 9V DC voltage for subsequent circuits. The pressure detection circuit is composed of a comparison amplifier circuit u A741, resistors R1, R2, R3, potentiometer RP1, pressure sensor RF; comparison amplifier circuit u Pin 3 of A741 is connected to press...
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The invention discloses a public washroom pressure-sensitive automatic flush toilet, and relates to the technical field of flush toilets. The public washroom pressure-sensitive automatic flushing toilet comprises a rectifying circuit, a pressure detecting circuit, a delay circuit and an electromagnetic valve drive circuit. A pressure sensor is mounted on a seat of the toilet, flushing is not executed when a person is seated on the seat, and flushing is executed when the person leaves, so that water is saved on the basis of completely flushing the sanitary. The public washroom pressure-sensitive automatic flushing toilet has the advantages that a principle is simple, cost efficiency is high, a manner of flushing after the person leaves is adopted, and the purpose of water saving is achieved.
Description
technical field [0001] The invention relates to the technical field of flush toilets, in particular to a pressure-sensing fully automatic flush toilet for public toilets. Background technique [0002] The toilet flushers used in public toilets are mainly divided into two types. One is the traditional mechanical structure, which mainly includes the switch type and the pedal type. The first is an infrared sensor automatic flusher, which does not need to be manually pressed when flushing. However, through personal experience and social investigation, it is found that these methods have certain shortcomings. For example, the mechanical type is not hygienic because it needs to press the switch by hand, and it will also cause environmental pollution due to forgetting to flush. Although the infrared sensor automatic flusher is relatively Hygienic and convenient, but many infrared sensor automatic flushers start flushing when the user first uses it, resulting in waste of water reso...
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IPC IPC(8): E03D5/10
Inventor 周天沛朱涛
Owner XUZHOU COLLEGE OF INDAL TECH