CN217811412U - Intelligent control public toilet water-saving device - Google Patents

Abstract

The utility model discloses an intelligent control's public latrine water saving fixtures, including foil gage sensor, work circuit case and drainage device, set up the pressure plate along public latrine basin length direction, the pressure plate is located basin bottom plate top and parallel with the basin bottom plate, and pressure plate both sides limit and basin lateral wall sealing connection are equipped with the foil gage sensor between pressure plate and the basin bottom plate, and the signal output part and the work circuit case of foil gage sensor are connected, and the work circuit case is connected with drainage device. The strain gauge sensor senses weight data of excrement on the pressure plate and converts the weight data into an electric signal to be transmitted to the working circuit box, the working circuit box receives the electric signal transmitted by the strain gauge sensor and outputs a corresponding control signal to the electromagnetic water valve of the drainage device, the on-off state of the electromagnetic water valve is controlled, and quantitative drainage can be achieved under different on-off states of the electromagnetic water valve.

Description

Intelligent control public toilet water-saving device

Technical Field

The utility model relates to an intelligent control's public latrine water saving fixtures.

Background

Water is a source of life and shortage of water resources has become a serious global problem. Public toilets are indispensable facilities in modern public buildings, and researches show that the water consumption of the public toilets accounts for more than 80% of the water consumption of the whole building. With the continuous deepening of the policies of energy conservation, emission reduction and sustainable development in China, the problem of serious water consumption of the traditional public toilet needs to be solved urgently, and the key social attention is also drawn.

At present, toilets in various factories, schools, hospitals, dormitories and public places adopt the traditional timing flushing design. Investigation shows that in the conventional through-slot type public toilet, water resources are wasted by 65% of water discharged from a water outlet pipe at regular time, a pressurizer needs to run continuously almost all day for discharging water in a water tank, and energy consumption accounts for about 80% of that of the whole water discharging system. The traditional public toilet has the problems of large energy consumption, low efficiency, incapability of regularly and quantitatively and effectively removing wastes and the like in a drainage system.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a simple structure, with low costs, energy-concerving and environment-protective intelligent control's public latrine water saving fixtures.

The utility model provides a technical scheme of above-mentioned technical problem is: an intelligently controlled public toilet water saving device comprises a power supply, a strain gauge sensor, a working circuit box and a drainage device, wherein the power supply supplies power to the whole device; the strain gauge sensor is used for sensing weight data of excrement on the pressure plate and converting the weight data into an electric signal to be transmitted to the working circuit box, and the working circuit box receives the electric signal transmitted by the strain gauge sensor and outputs a corresponding control signal to the drainage device to control the drainage device to drain water to the water tank.

The water-saving device of the intelligent control public toilet comprises a water tank, an electromagnetic water valve and a drain pipe, wherein a water outlet of the water tank is connected with the upper end of the drain pipe, the lower end of the drain pipe is positioned in a water tank of the public toilet, the drain pipe is provided with the electromagnetic water valve, and the control end of the electromagnetic water valve is connected with the working circuit box.

Above-mentioned intelligent control's public latrine water saving fixtures, the electromagnetism water valve includes disk seat, case, moves the iron core, decides the iron core, solenoid and spring, be equipped with the rivers passageway with the drain pipe intercommunication on the disk seat, be equipped with the case in the disk seat, move the iron core, decide the iron core and fix in the disk seat, move and pass through spring coupling between iron core and the deciding the iron core, be equipped with the case that is used for the shutoff or opens the rivers passageway on moving the iron core, it is equipped with solenoid to decide the iron core outside, and solenoid is connected with the working circuit case electricity.

Above-mentioned intelligent control's public latrine water saving fixtures, the foil gage sensor includes reset spring, pressure foil gage, shell and ejector pin, is connected through reset spring between pressure plate and the basin lower plate, the shell is located between pressure plate and the basin lower plate, and the shell passes through supporting spring and basin lower plate fixed connection, pressure foil gage and shell fixed connection, ejector pin upper end and pressure plate lower surface fixed connection, the ejector pin lower extreme passes the shell top and contacts with the pressure foil gage.

According to the intelligent control public toilet water-saving device, the working circuit box comprises the measuring and amplifying circuit, the rectifier, the relay and the timing switch, the signal input end of the measuring and amplifying circuit is connected with the resistance wire, the signal output end of the measuring and amplifying circuit is connected with the control end of the relay to control the on-off of the relay, and the power supply is connected with the electromagnetic coil after passing through the rectifier, the relay and the timing switch in sequence.

The intelligently controlled public toilet water-saving device is characterized in that the power supply comprises a household power supply or a storage battery.

The beneficial effects of the utility model reside in that:

1. the utility model discloses be equipped with the foil gage sensor, work circuit case and drainage device, set up a pressure plate along public latrine basin length direction, foil gage sensor experiences the weight data of excrement and changes signal of telecommunication to work circuit case on the pressure plate, work circuit case receives the signal of telecommunication of foil gage sensor transmission and exports corresponding control signal to drainage device's electromagnetism water valve, the on-off state of control electromagnetism water valve, ration drainage under the different on-off states of electromagnetism water valve, compare with traditional drainage device, in same time quantum interval, about 65% displacement can be saved.

2. The utility model discloses a power includes home power supply (commercial power) or battery, can take over the home power supply through the battery and supply power when having a power failure, realizes having a power failure or under the power supply fault condition in public latrine, still can normal operating.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the electromagnetic water valve in fig. 1.

Fig. 3 is a schematic diagram of a state in which the valve element of the electromagnetic water valve opens the water flow passage.

Fig. 4 is a schematic diagram of a state in which the valve element of the electromagnetic water valve of the present invention closes the water flow passage.

FIG. 5 is a schematic view of the strain gage sensor of FIG. 1.

Fig. 6 is a schematic structural diagram of the working circuit box in fig. 1.

Wherein 1, iron core fixing; 2. a spring; 3. a movable iron core; 4. a valve seat; 5. a valve core; 6. an electromagnetic coil; 7. a return spring; 8. a pressure plate; 9. a top rod; 10. a housing; 11. a pressure strain gauge; 12. a support spring; 13. a lead wire; 14. a water tank; 15. a strain gauge sensor; 16. a working circuit box; 17. a wire; 19. A water tank; 20. an electromagnetic water valve; 21. and a water discharge pipe.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in figure 1, an intelligent control public toilet water saving device comprises a power supply, a strain gauge sensor 15, a working circuit box 16 and a drainage device, wherein the power supply supplies power to the whole device, a pressure plate 8 is arranged along the length direction of a public toilet water tank 14, the pressure plate 8 is positioned above a lower bottom plate of the water tank 14 and is parallel to the lower bottom plate of the water tank 14, two side edges of the pressure plate 8 are hermetically connected with the side walls of the water tank 14, the strain gauge sensor 15 is arranged between the pressure plate 8 and the lower bottom plate of the water tank 14, the signal output end of the strain gauge sensor 15 is connected with the working circuit box 16 through a lead 17, and the working circuit box 16 is connected with the drainage device; the strain gauge sensor 15 is used for sensing weight data of excrement on the pressure plate 8, converting the weight data into electric signals and transmitting the electric signals to the working circuit box 16, and the working circuit box 16 receives the electric signals transmitted by the strain gauge sensor 15 and outputs corresponding control signals to the drainage device to control the drainage device to drain water into the water tank 14.

The drainage device comprises a water tank 19, an electromagnetic water valve 20 and a drainage pipe 21, wherein a water outlet of the water tank 19 is connected with the upper end of the drainage pipe 21, the lower end of the drainage pipe 21 is positioned in the public toilet water tank 14, the drainage pipe 21 is provided with the electromagnetic water valve 20, and the control end of the electromagnetic water valve 20 is connected with the working circuit box 16.

As shown in fig. 2 and 3, the electromagnetic water valve 20 includes a valve seat 4, a valve element 5, a movable iron core 3, a fixed iron core 1, an electromagnetic coil 6 and a spring 2, a water flow passage communicated with the water discharge pipe 21 is provided on the valve seat 4, the valve element 5, the movable iron core 3 and the fixed iron core 1 are provided in the valve seat 4, the fixed iron core 1 is fixed in the valve seat 4, the movable iron core 3 and the fixed iron core 1 are connected by the spring 2, the movable iron core 3 is provided with the valve element 5 for plugging or opening the water flow passage, the electromagnetic coil 6 is provided on the outer side of the fixed iron core 1, and the electromagnetic coil 6 is electrically connected with the operating circuit box 16. The current is introduced into the electromagnetic coil 6 to generate a magnetic field, and the fixed iron core 1 in the magnetic field generates magnetic force to attract the movable iron core 3 to compress back and extrude the spring 2 to control the discharge of water in the water tank 19; as shown in fig. 3, when the electromagnetic water valve 20 is powered on, the linkage valve core 5 is separated from the valve seat 4, the water flow channel is opened to drain water, the water flow washes away excrement on the pressure plate 8, and the spring 2 restores the original position; when the electromagnetic water valve 20 is powered off, the valve core 5 and the valve seat 4 are closed, as shown in fig. 4, the linkage valve core 5 and the valve seat 4 are fastened, the water flow passage is closed, and water drainage is stopped.

As shown in fig. 5, the strain gauge sensor 15 includes a return spring 7, a pressure strain gauge 11, a housing 10 and a lift rod 9, the pressure plate 8 is connected with the bottom plate of the water tank 17 through the return spring 7, the housing 10 is located between the pressure plate 8 and the bottom plate of the water tank 14, the housing 10 is fixedly connected with the bottom plate of the water tank 14 through a support spring 12, the pressure strain gauge 11 is arranged in the housing 10, the upper end of the lift rod 9 is fixedly connected with the lower surface of the pressure plate 8, and the lower end of the lift rod 9 penetrates through the top of the housing 10 to contact with the pressure strain gauge 11. When the pressure plate 8 is pressed down by waste, the supporting spring 12 and the pressure strain gauge 11 are pressed downwards in a linkage manner, and the pressure strain gauge 11 is subjected to different pressures so as to output different electric signals.

As shown in fig. 6, the working circuit box 16 includes a measuring and amplifying circuit, a rectifier, a relay and a timing switch, a signal output end of the measuring and amplifying circuit is connected to a control end of the relay to control on/off of the relay, and the power supply is connected to the electromagnetic coil 6 after passing through the rectifier, the relay and the timing switch in sequence. The power supply comprises a household power supply or a storage battery. The measuring and amplifying circuit amplifies the current to close the relay, the household power supply is rectified by the rectifier and then is communicated with the circuit to generate the current, the timing switch works, and the current is conducted to the electromagnetic coil 6 of the electromagnetic water valve 20. When the power supply is cut off, the storage battery takes over the work of the household power supply, the timing switch works, and the current is conducted to the electromagnetic coil 6 of the electromagnetic water valve 20.

The utility model discloses a working process does: when excrement contacts the pressure plate 8, the pressure plate 8 moves downwards under the action of pressure to squeeze the pressure strain gauge 11, so that the circuit current in the working circuit box 16 changes, the current is transmitted to the relay to close the relay, the household power supply is rectified by the rectifier and then is communicated with the circuit to generate current, the timing switch works, the current is transmitted to the electromagnetic coil 6 of the electromagnetic water valve 20, the current is introduced into the electromagnetic coil 6 to generate magnetic force to attract the movable iron core to compress the spring 2 backwards and squeeze the spring 2, the linkage valve core 5 is separated from the valve seat 4, the water flow channel is opened for drainage, the excrement on the pressure plate 8 is flushed by water flow, after the excrement is flushed, the pressure plate 8 cannot sense the weight, the support spring resets, the relay is disconnected, the electromagnetic water valve 20 is powered off, the linkage valve core 5 is fastened with the valve seat 4, the water flow channel is closed, and drainage is stopped; and then waits for the next action.

Claims (6)

1. The utility model provides an intelligent control's public latrine water saving fixtures which characterized in that: the water tank water drainage device comprises a power supply, a strain gauge sensor, a working circuit box and a water drainage device, wherein the power supply supplies power to the whole device, a pressure plate is arranged along the length direction of a water tank of a public toilet, the pressure plate is positioned above a lower bottom plate of the water tank and is parallel to the lower bottom plate of the water tank, two side edges of the pressure plate are connected with the side walls of the water tank in a sealing manner, the strain gauge sensor is arranged between the pressure plate and the lower bottom plate of the water tank, the signal output end of the strain gauge sensor is connected with the working circuit box, and the working circuit box is connected with the water drainage device; the strain gauge sensor is used for sensing weight data of excrement on the pressure plate, converting the weight data into an electric signal and transmitting the electric signal to the working circuit box, and the working circuit box receives the electric signal transmitted by the strain gauge sensor, outputs a corresponding control signal to the drainage device and controls the drainage device to drain water to the water tank.

2. The intelligent control public toilet water-saving device according to claim 1, characterized in that: the water discharging device comprises a water tank, an electromagnetic water valve and a water discharging pipe, wherein a water outlet of the water tank is connected with the upper end of the water discharging pipe, the lower end of the water discharging pipe is positioned in a water tank of a public toilet, the water discharging pipe is provided with the electromagnetic water valve, and the control end of the electromagnetic water valve is connected with the working circuit box.

3. The intelligent control public toilet water-saving device according to claim 2, characterized in that: the electromagnetic water valve comprises a valve seat, a valve core, a movable iron core, a fixed iron core, an electromagnetic coil and a spring, wherein a water flow channel communicated with a water drain pipe is arranged on the valve seat, the valve core, the movable iron core and the fixed iron core are arranged in the valve seat, the fixed iron core is fixed in the valve seat, the movable iron core and the fixed iron core are connected through the spring, the movable iron core is provided with the valve core used for plugging or opening the water flow channel, the electromagnetic coil is arranged on the outer side of the fixed iron core, and the electromagnetic coil is electrically connected with a working circuit box.

4. The intelligent control public toilet water-saving device according to claim 2, characterized in that: the strain gauge sensor comprises a reset spring, a pressure strain gauge, a shell and an ejector rod, wherein the pressure plate is connected with the lower bottom plate of the water tank through the reset spring, the shell is located between the pressure plate and the lower bottom plate of the water tank, the shell is fixedly connected with the lower bottom plate of the water tank through a supporting spring, the pressure strain gauge is fixedly connected with the shell, the upper end of the ejector rod is fixedly connected with the lower surface of the pressure plate, and the lower end of the ejector rod penetrates through the top of the shell to be in contact with the pressure strain gauge.

5. The intelligent control public toilet water-saving device according to claim 4, characterized in that: the working circuit box comprises a measuring and amplifying circuit, a rectifier, a relay and a timing switch, wherein the signal input end of the measuring and amplifying circuit is connected with the resistance wire, the signal output end of the measuring and amplifying circuit is connected with the control end of the relay to control the on-off of the relay, and the power supply is connected with the electromagnetic coil after sequentially passing through the rectifier, the relay and the timing switch.

6. The intelligent control public toilet water-saving device according to claim 5, characterized in that: the power supply comprises a household power supply or a storage battery.

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