CN218148650U - Green energy-saving house drainage system - Google Patents

Abstract

The application discloses green energy-saving house drainage system, it is including rainwater collection device, filter equipment and the water storage box that is used for collecting the rainwater, the water storage box intercommunication has the outlet pipe, the one end intercommunication that the water storage box was kept away from to the outlet pipe has the tee bend pipe fitting, the outlet pipe with the first water inlet intercommunication of tee bend pipe fitting, just first solenoid valve is installed to first water inlet, the second water inlet of tee bend pipe fitting is used for with the running water pipe intercommunication, just the second solenoid valve is installed to the second water inlet, the water tank pipeline intercommunication of tee bend pipe fitting delivery port and closestool, first solenoid valve with the second solenoid valve is coupled and is detected the retaining volume detection module of water storage box retaining volume. This application has in time to the water tank pipeline access water pipeline of closestool when the water in the cistern is used up, satisfies the water demand of closestool water tank to guarantee the effect of the normal use of closestool bath function.

Description

Green energy-saving house drainage system

Technical Field

The application relates to the field of green energy-saving houses, in particular to a green energy-saving house drainage system.

Background

The existing house drainage system comprises a green energy-saving drainage system and a traditional drainage system, wherein the traditional drainage system collects water entering a drainage pipeline into a sewage treatment plant for treatment; the green energy-saving drainage system can be used for recycling the collected rainwater so as to improve the utilization rate of water resources.

Among the current green energy-saving house drainage system, collect the rainwater through the pipeline, collect the rainwater filter equipment with the rainwater and carry out the preliminary treatment after, store the water resource in the cistern, utilize the water in the cistern as toilet tank's water to this improves water resource utilization ratio, realizes green energy-concerving and environment-protective purpose.

And when the water in the cistern is used up, need the manual work to carry out the switching of pipeline, make closestool water pipeline insert water supply pipeline, and then satisfy closestool water tank's water demand, in daily use, need the water yield in the untimely inspection cistern, and the water tank pipeline valve of manual switching closestool when the water yield is close to using up, make the rainwater in following the cistern for closestool water tank water supply switch the running water in the running water pipe into for the water supply in the cistern, and switch the water supply water source into the rainwater in the cistern from the running water after the cistern collects a certain amount of rainwater again, it is loaded down with trivial details, if the water yield in the cistern is close to using up the time switch untimely, will influence the normal use of closestool bath function, therefore need to improve.

SUMMERY OF THE UTILITY MODEL

In order to timely insert the tap water pipeline to the water tank pipeline of the closestool when the water in the water storage tank is used up, the water demand of the water tank of the closestool is met, and the normal use of the flushing function of the closestool is ensured, the application provides a green energy-saving house drainage system.

The application provides a green energy-saving house drainage system adopts following technical scheme:

a green energy-saving house drainage system comprises a rainwater collecting device, a filtering device and a water storage tank, wherein the rainwater collecting device is used for collecting rainwater, the rainwater collecting device is arranged on the outer wall of a house and is communicated with the filtering device, the filtering device is communicated with a water storage tank inlet pipe, one end, away from the filtering device, of the water storage tank inlet pipe is communicated with the water storage tank, the water storage tank is communicated with a water outlet pipe, one end, away from the water storage tank, of the water outlet pipe is communicated with a tee pipe fitting, and the tee pipe fitting comprises a first water inlet, a second water inlet and a tee pipe fitting outlet; the water outlet pipe is communicated with a first water inlet of the tee pipe fitting, a first electromagnetic valve is installed at the first water inlet, a second water inlet of the tee pipe fitting is communicated with a tap water pipe, a second electromagnetic valve is installed at the second water inlet, a water outlet of the tee pipe fitting is communicated with a water tank pipeline of a toilet, a water storage amount detection module for detecting the water storage amount of the water storage tank is coupled with the first electromagnetic valve and the second electromagnetic valve, and the water storage amount detection module comprises:

the pressure detection unit is arranged at the bottom of the water storage tank, detects the weight of the water storage tank and sends out a pressure detection signal;

the pressure comparison unit is coupled with the pressure detection unit and is provided with a threshold signal VREF so as to output a pressure comparison signal when the received pressure detection signal is smaller than the threshold signal VREF;

and the switch unit is coupled with the pressure comparison unit and the first electromagnetic valve and the second electromagnetic valve, and sends out a switch signal to control the first electromagnetic valve to be closed and control the second electromagnetic valve to be opened when receiving the pressure comparison signal.

Through adopting above-mentioned technical scheme, rainwater collection device carries out the rainwater collection in the rainy day, rainwater collection device and filter equipment intercommunication, with rainwater drainage among the rainwater collection device to filter equipment, the rainwater after the filtration of filter equipment is difficult for containing a large amount of impurity, so that quality of water satisfies toilet tank's water standard, the rainwater gets into the water storage box from the water storage box inlet tube after filter equipment filters and is collected by the water storage box, the rainwater that gets into in the water storage box is used for providing the water source for toilet tank, in order to realize recycling of rainwater resource, through the pressure detection unit who is used for detecting water tank weight in the installation of water storage box bottom, in order to realize the weight of water storage detection module real-time detection water storage box at this in-process, in order to judge the water storage volume in the water storage box.

The pressure detection signal sent by the pressure detection unit is gradually reduced along with the water source consumption; when water resources in the water storage tank are nearly exhausted, namely when the pressure detection signal is smaller than a threshold signal VREF, the pressure comparison unit outputs a pressure comparison signal to the switch unit, and the switch unit sends out a switch signal to control the first electromagnetic valve to be closed and control the second electromagnetic valve to be opened after receiving the pressure comparison signal, so that the water storage tank stops supplying water for the toilet water tank, and the water storage tank is switched into a tap water pipeline to supply water for the toilet water tank.

When the weight in the water storage tank is larger than the threshold signal VREF along with the entering of rainwater, the pressure comparison signal of the pressure comparison unit is lost by the switch unit, the switch unit controls the first electromagnetic valve to be opened and controls the second electromagnetic valve to be closed, the water storage tank recovers to supply water for the toilet water tank, and the tap water pipeline stops supplying water for the toilet water tank.

The pressure detection unit detects the weight in the water storage tank in real time to control the switches of the first electromagnetic valve and the second electromagnetic valve, when the water in the water storage tank is used up, a tap water pipeline is timely connected to a water tank pipeline of the closestool, so that the automatic switching of a water supply source of the closestool water tank is realized, the water demand of the closestool water tank is met, and the normal use of a flushing function of the closestool is ensured.

Preferably, the pressure detection unit includes force sensing resistor RA and first resistance R1, force sensing resistor RA's one end is coupled in mains voltage VCC, force sensing resistor RA's the other end and ground connection behind the first resistance R1 series connection, force sensing resistor RA and first resistance R1's connected node is coupled in the pressure comparison unit.

By adopting the technical scheme, the water storage tank is pressed on the force-sensitive resistor RA, when the water amount in the water storage tank is reduced, the pressure borne by the force-sensitive resistor RA is reduced to increase the resistance of the force-sensitive resistor RA, so that the divided voltage at the two ends of the force-sensitive resistor RA is increased, the divided voltage at the two ends of the first resistor R1 is reduced at the moment, the voltage output by the connection node of the force-sensitive resistor RA and the first resistor R1 is reduced at the moment, namely, the output of the pressure detection signal is reduced at the moment, when the pressure detection signal is smaller than the threshold signal VREF, the pressure comparison unit outputs the pressure comparison signal to the switch unit, and the switch unit sends out a switch signal to control the first electromagnetic valve to be closed and the second electromagnetic valve to be opened.

Preferably, the pressure comparing unit includes a comparator N1, a first signal input terminal of the comparator N1 is coupled to a connection node between the force sensing resistor RA and the first resistor R1, a second signal input terminal of the comparator N1 is connected to the threshold signal VREF, and a signal output terminal of the comparator N1 is coupled to the switching unit.

Through adopting above-mentioned technical scheme, the first signal input part of comparator N1 is coupled in the connected node of force sensing resistor RA and first resistance R1, and when the pressure detection signal that the connected node of force sensing resistor RA and first resistance R1 sent reduced, comparator N1 will compare its pressure detection signal of receiving with threshold value signal VREF, and output pressure comparison signal to the switch element when the pressure detection signal is less than threshold value signal VREF, realizes the comparison function of pressure detection signal size.

Preferably, the threshold signal VREF is composed of a second resistor R2, a third resistor R3, and a fourth resistor R4, the third resistor R3 is connected in series with the fourth resistor R4, the third resistor R3 is coupled to the power voltage VCC, the fourth resistor R4 is grounded, the second signal input end of the comparator N1 is coupled to the second resistor R2, and the second resistor R2 is coupled to a connection node between the third resistor R3 and the fourth resistor R4.

By adopting the technical scheme, the second resistor R2, the third resistor R3 and the fourth resistor R4 form a reference voltage value, and the reference voltage value is compared with the voltage output by the connection node of the force sensitive resistor RA and the first resistor R1, so that the pressure is converted into the voltage and the voltage is compared, and then the larger voltage end of the two signal input ends of the comparator N1 is output to the switch unit.

Preferably, the switch unit includes an NPN-type transistor Q1 and a relay KM1, a base of the transistor Q1 is coupled to a signal output end of the comparator N1, a collector of the transistor Q1 is coupled to the power supply voltage VCC, an emitter of the transistor Q1 is coupled to one end of a coil of the relay KM1, the other end of the relay KM1 is grounded, the relay KM1 includes a normally closed contact switch KM1-1 and a normally open contact switch KM1-2, and the normally closed contact switch KM1-1 is connected in series in a power supply loop of the first solenoid valve; the normally open contact switch KM1-2 is connected in series in a power supply loop of the second electromagnetic valve, and the water storage capacity detection module is grounded.

By adopting the technical scheme, when the base of the triode Q1 receives the pressure comparison signal, the triode Q1 is converted into the high level from the low level, the triode Q1 is conducted, the coil of the relay KM1 is electrified, the normally closed contact switch KM1-1 is disconnected, the normally open contact switch KM1-2 is closed, water in the water storage tank stops entering the water tank pipeline of the closestool, and water in the tap water pipeline enters the water tank pipeline of the closestool. When the triode Q1 is not conducted, the relay KM1 is powered off, the normally closed contact switch KM1-1 is switched to be closed from a disconnected state, the normally open contact switch KM1-2 is switched to be disconnected from a closed state, the first electromagnetic valve is started, the second electromagnetic valve is closed, water in the tap water pipe stops entering the water tank of the closestool, and water in the water tank enters the water tank pipeline of the closestool.

Preferably, the rainwater collecting device comprises a rainwater plate, the rainwater plate is fixed on the outer wall of the house, one end wall of the rainwater plate is used for being abutted to the side wall of the house, the rainwater plate is arranged along the circumferential end-to-end of the house, a rainwater groove is formed in the rainwater plate in a sunken mode, the rainwater groove is arranged along the circumferential end-to-end of the house, the rainwater plate is close to the top of the house, a drain hole is formed in the bottom of the rainwater plate, the drain hole is communicated with a drain pipe, and one end, far away from the rainwater plate, of the drain pipe is communicated with the filtering device.

Through adopting above-mentioned technical scheme, the rainwater board is fixed at the outer wall in house and the rainwater board is sunken to have the rainwater groove, and rainwater board and rainwater groove set up along the circumference end to end in house, all are collected by the rainwater groove that the rainwater board is sunken when making the rainwater that drips on the roof flow down along the roof edge, make rainwater collection device collect the rainwater that drips on the house as much as possible, improve rainwater collection efficiency.

Preferably, filter equipment is including filtering box and first filter screen, first filter screen sets up in the filter box, first filter screen edge with the inner wall of filtering the box is fixed, the filter equipment water inlet has been seted up to filter equipment level one side, the filter equipment top that the filter equipment water inlet is close to, the filter equipment delivery port has been seted up to one side of the relative filter equipment water inlet of filter equipment, the filter equipment delivery port is close to filter equipment's bottom, be provided with the setting tank in the filter box, the setting tank is in first filter screen with between the filter equipment water inlet, the opening has been seted up at the top of setting tank, the top of setting tank with leave the clearance between the roof of filtering the box, the setting tank be close to one side of first filter screen with first filter screen butt, the setting tank has been close to one side of first filter screen and has been seted up a plurality of openings, the setting tank is kept away from one side of first filter screen and filters box inner wall butt, just the level at the top of setting tank is less than the level of filter equipment water inlet bottom.

Through adopting above-mentioned technical scheme, it is internal that the rainwater flows into the rose box through the filter equipment water inlet, the level of filter equipment water inlet is higher than the top of setting tank, the rainwater flows into the setting tank from the filter equipment water inlet, the opening that the rainwater was seted up through the setting tank when the liquid level was less than the setting tank top passes through the filter screen, when the liquid level was higher than the setting tank top, the rainwater that is higher than the setting tank top was close to one side of filter equipment water inlet through first filter screen flow direction, when the rainwater in the rainwater filter box was through first filter screen, great volume debris were blockked to be unable the passing through and drop in the setting tank by the filter screen, great volume debris are collected by the setting tank.

Preferably, filter equipment still includes impurity adsorption tank, impurity adsorption tank sets up in the filter box, impurity adsorption tank is located first filter screen with between the filter equipment delivery port, impurity adsorption tank's outer wall with the inner wall butt of filter box, a plurality of filter holes that run through impurity adsorption tank have been seted up to impurity adsorption tank horizontal both sides, impurity adsorption tank intussuseption is filled with and is used for absorbent filter pulp and active carbon.

Through adopting above-mentioned technical scheme, still contain more little impurity like the dust in the rainwater behind first filter screen, the rainwater gets into impurity adsorption tank through impurity adsorption tank's filtration pore, and in impurity adsorption tank, filter pulp and active carbon adsorb the little impurity in the rainwater in order to reach the edulcoration effect, make the water resource of discharge filtration box pure as far as, make the water resource that gets into the water storage box be difficult for carrying more impurity.

Preferably, a second filter screen is fixed on the drain hole, the second filter screen is fixed at one end of the drain hole close to the roof, the edge of the second filter screen is fixed with the inner wall of the drain hole, and the second filter screen protrudes upwards.

By adopting the technical scheme, the second filter screen which is convex upwards is fixed at one end of the drain hole close to the roof, so that sundries entering the rainwater board along with rainwater are filtered by the second filter screen. The second filter screen is convexly arranged so that when sundries are attached to the side surface of the second filter screen, rainwater flowing into the rainwater plate flows into the drain pipe from the upper part of the sundries through the second filter screen to ensure the smoothness of the drain hole.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the pressure detection unit is used for detecting the weight in the water storage tank in real time to control the switch of the first electromagnetic valve and the second electromagnetic valve, and when the water in the water storage tank is used up, a tap water pipeline is timely connected to a water tank pipeline of the closestool, so that the automatic switching of a water supply source of the water tank of the closestool is realized, the water demand of the water tank of the closestool is met, and the normal use of the flushing function of the closestool is ensured;

2. the rainwater plate is fixed on the outer wall of the house and is provided with the rainwater groove in a sunken manner, and the rainwater plate and the rainwater groove are arranged end to end along the circumferential direction of the house, so that rainwater dropping on the roof is collected by the rainwater groove in the sunken manner when flowing down along the edge of the roof, and the rainwater collecting device collects rainwater dropping on the house as much as possible, thereby improving the rainwater collecting efficiency;

3. one end of the drain hole close to the roof is fixed with a second filter screen which protrudes upwards, so that sundries entering the rainwater board along with rainwater are filtered by the second filter screen. The second filter screen is convexly arranged so that when sundries are attached to the side surface of the second filter screen, rainwater flowing into the rainwater plate flows into the drain pipe from the upper part of the sundries through the second filter screen to ensure the smoothness of the drain hole.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the internal structure of the filter device in the embodiment of the present application.

Fig. 3 is a circuit diagram of a water storage amount detection module in the embodiment of the present application.

Description of reference numerals:

1. a house; 2. a rainwater collection device; 3. a filtration device; 4. a water storage tank; 5. a water outlet of the filtering device; 6. a water inlet pipe of the water storage tank; 7. a water outlet pipe; 8. a tee pipe fitting; 9. a first solenoid valve; 10. a second solenoid valve; 11. a first water inlet; 12. a second water inlet; 13. a water tank conduit; 14. a water tank; 15. a rain plate; 16. a rain gutter; 17. a drain pipe; 18. a second filter screen; 19. a branch pipe; 20. a first bracket; 21. a second bracket; 22. a filter box body; 23. a settling tank; 24. a first filter screen; 25. an impurity adsorption tank; 26. a water inlet of the filtering device; 27. a pressure detection unit; 28. a pressure comparison unit; 29. a switching unit.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses green energy-saving house drainage system. Referring to fig. 1, a green energy-saving house drainage system includes rainwater collection device 2, rainwater collection device 2 fixes the outer wall in house 1, house 1 outer wall is fixed with first support 20 and second support 21, first support 20 and second support 21 comprise the backup pad that two diagonal brace and a level set up, branch pipe 19 is placed near the top of filter equipment 3 to the top of first support 20 and filter equipment 3 has been placed, water storage box 4 has been placed at the top of second support 21, the bottom level of filter equipment 3 is higher than the top of water storage box 4, form the water head through the difference in height, convert gravitational potential energy into the kinetic energy of rivers. A water outlet pipe 7 is communicated with the bottom of the water storage tank 4, close to the water storage tank 4, on the side, far away from the filtering device 3, of the water storage tank 4, a tee pipe fitting 8 is communicated with one end, far away from the water storage tank 4, of the water outlet pipe 7, and the tee pipe fitting 8 comprises a first water inlet 11, a second water inlet 12 and an outlet of the tee pipe fitting 8; the water outlet pipe 7 is communicated with a first water inlet 11 of the three-way pipe fitting 8, a second water inlet 12 of the three-way pipe fitting 8 is used for being communicated with a tap water pipe, and a water outlet of the three-way pipe fitting 8 is communicated with a water tank pipeline 13 of the toilet.

Referring to fig. 1, rainwater collection device 2 includes rainwater board 15, rainwater board 15 is fixed at the 1 outer wall in house, a terminal wall of rainwater board 15 is used for with 1 lateral wall butt in house, rainwater board 15 sets up along the circumference end to end in house 1, rainwater board 15 is sunken to have rainwater groove 16, rainwater groove 16 sets up along the circumference end to end in house 1, rainwater board 15 is close to the top in house 1, the wash port has been seted up to rainwater board 15's bottom, the wash port is fixed with second filter screen 18, second filter screen 18 is fixed in the one end that the wash port is close to the roof, the edge of second filter screen 18 is fixed with the inner wall of wash port, second filter screen 18 upwards is the hemisphere arch, the wash port intercommunication has drain pipe 17, the vertical setting of drain pipe 17.

Referring to fig. 1, the filtering device 3 includes a filtering box 22 and a first filter screen 24, the first filter screen 24 is disposed in the filtering box 22, the edge of the first filter screen 24 is fixed to the inner wall of the filtering box 22, a water inlet 26 of the filtering device is disposed on one side of the filtering box 22 close to the water discharge pipe 17, the top of the filtering device 3 close to the water inlet 26 of the filtering device is disposed at the top of the filtering device 3, a water outlet 5 of the filtering device is disposed on one side of the filtering device 3 opposite to the water inlet 26 of the filtering device, and the water outlet 5 of the filtering device is close to the bottom of the filtering device 3. The water outlet 5 of the filtering device is communicated with a water inlet pipe 6 of a water storage tank, and one end of the water inlet pipe 6 of the water storage tank, which is far away from the filtering device 3, is communicated with the water storage tank 4.

Referring to fig. 1, the end of the drainage pipe 17 far away from the drainage hole is communicated with a horizontally arranged branch pipe 19, the branch pipe 19 is communicated with the filtering device 3 through a filtering device water inlet 26, the branch pipe 19 is fixed on one side of the filtering device 3 near the drainage pipe 17, and the branch pipe 19 is near the top of the filtering device 3. Rainwater flows into the filtering device 3 from the top, so that the rainwater flowing into the filtering device 3 has initial kinetic energy.

Referring to fig. 2, be provided with the setting tank 23 in filtering box 22, setting tank 23 sets up between first filter screen 24 and filter equipment water inlet 26, the opening has been seted up at the top of setting tank 23, leave the clearance between the top of setting tank 23 and the roof of filtering box 22, setting tank 23 is close to one side and the first filter screen 24 butt of first filter screen 24, a plurality of openings have been seted up to one side that setting tank 23 is close to first filter screen 24, setting tank 23 keeps away from one side of first filter screen 24 and filters box 22 inner wall butt, and the level at the top of setting tank 23 is less than the level of filter equipment water inlet 26 bottom.

Referring to fig. 2, filter equipment 3 still includes impurity adsorption tank 25, and impurity adsorption tank 25 sets up in filtering box 22, and impurity adsorption tank 25 is located between first filter screen 24 and the filter equipment delivery port 5, and impurity adsorption tank 25's outer wall and the inner wall butt that filters box 22, impurity adsorption tank 25 horizontal both sides are seted up a plurality of filtration pores that run through impurity adsorption tank 25, and the filtration pore sets up along filter equipment water inlet 26 and the 5 relative both sides directions of filter equipment delivery port. The impurity adsorption tank 25 is filled with filter cotton and activated carbon for adsorption.

Referring to fig. 1, a first electromagnetic valve 9 is installed at a first water inlet 11 of the tee pipe 8, a second electromagnetic valve 10 is installed at a second water inlet 12 of the tee pipe 8, and a water storage amount detection module for detecting the water storage amount of the water storage tank 4 is coupled to the first electromagnetic valve 9 and the second electromagnetic valve 10 of the two-position three-way electromagnetic valve.

Referring to fig. 3, the water storage amount detection module includes a pressure detection unit 27, a pressure comparison unit 28, and a switch unit 29.

The pressure detection unit 27 is installed at the bottom of the water storage tank 4 and detects the weight of the water storage tank 4 and sends out a pressure detection signal;

the pressure comparison unit 28 is coupled to the pressure detection unit 27 and is provided with a threshold signal VREF, so as to output a pressure comparison signal when the received pressure detection signal is smaller than the threshold signal VREF;

the switch unit 29 is coupled to the pressure comparison unit 28 and the first solenoid valve 9 and the second solenoid valve 10 which are coupled to the two-position three-way valve, and sends a switch signal to control the first solenoid valve 9 to close and control the second solenoid valve 10 to open when receiving the pressure comparison signal.

Referring to fig. 3, the pressure detecting unit 27 includes a force-sensitive resistor RA and a first resistor R1, one end of the force-sensitive resistor RA is coupled to the power voltage VCC, the other end of the force-sensitive resistor RA is connected in series with the first resistor R1 and then grounded, and a connection node between the force-sensitive resistor RA and the first resistor R1 is coupled to the pressure comparing unit 28.

Referring to fig. 3, the threshold signal VREF is composed of a second resistor R2, a third resistor R3 and a fourth resistor R4, the third resistor R3 is connected in series with the fourth resistor R4, the third resistor R3 is coupled to the power voltage VCC, the fourth resistor R4 is grounded, a second signal input terminal of the comparator N1 is coupled to the second resistor R2, and the second resistor R2 is coupled to a connection node between the third resistor R3 and the fourth resistor R4.

Referring to fig. 3, the pressure comparing unit 28 further includes a comparator N1, a first signal input terminal of the comparator N1 is coupled to a connection node between the force sensing resistor RA and the first resistor R1, a second signal input terminal of the comparator N1 is connected to a threshold signal VREF, and a signal output terminal of the comparator N1 is coupled to the switching unit 29.

Referring to fig. 3, the switching unit 29 includes an NPN-type transistor Q1 and a relay KM1, a base of the transistor Q1 is coupled to a signal output end of the comparator N1, a collector of the transistor Q1 is coupled to the power voltage VCC, an emitter of the transistor Q1 is coupled to one end of a coil of the relay KM1, the other end of the relay KM1 is grounded, the relay KM1 includes a normally closed contact switch KM1-1 and a normally open contact switch KM1-2, and the normally closed contact switch KM1-1 is connected in series in a power supply loop of the first solenoid valve 9; the normally open contact switch KM1-2 is connected in series in a power supply loop of the second electromagnetic valve 10, and the water storage amount detection module is grounded.

The implementation principle of the green energy-saving house drainage system in the embodiment of the application is as follows: in rainy days, rainwater drops on the top of the house 1, flows to the edge of the house 1 under the action of gravity, flows into the rainwater groove 16 with the sunken rain baffle at the edge of the roof, flows into the drain pipe 17 through the drain hole, and then flows into the filtering device 3 from the water inlet 26 of the filtering device close to the top of the filtering device 3 through the branch pipe 19 communicated with the drain pipe 17.

The water level in the filtering device 3 rises along with the increase of rainwater flowing into the filtering device 3, the rainwater flows out of the filtering device 3 from a filtering device water outlet 5 close to the bottom of the filtering device 3, the bottom level of the filtering device 3 is higher than the top of the water storage tank 4, the rainwater flowing out of the filtering device 3 flows into the water storage tank 4 at a relatively low position from the filtering device 3 at a relatively high position through a water inlet pipe 6 of the water storage tank under the action of gravity, and the water level in the water storage tank 4 gradually rises.

In the process, the water storage amount detection module detects the weight of the water storage tank 4 in real time, the water storage tank 4 is pressed on the force sensitive resistor RA, when the water amount in the water storage tank 4 is reduced, the pressure borne by the force sensitive resistor RA is reduced to increase the resistance of the force sensitive resistor RA, the divided voltage at the two ends of the force sensitive resistor RA is increased, the divided voltage at the two ends of the first resistor R1 is reduced at the moment, the voltage output by the connection node of the force sensitive resistor RA and the first resistor R1 is reduced at the moment, and the pressure detection signal output is reduced at the moment.

The first signal input end of the comparator N1 is coupled to a connection node between the force sensitive resistor RA and the first resistor R1, when a pressure detection signal sent out from the connection node between the force sensitive resistor RA and the first resistor R1 decreases, the comparator N1 compares the pressure detection signal received by the comparator N1 with a threshold signal VREF, and outputs a pressure comparison signal to the switch unit 29 when the pressure detection signal is smaller than the threshold signal VREF.

When the base of the triode Q1 in the switch unit 29 receives the pressure comparison signal, the triode Q1 is converted from a low level to a high level, the triode Q1 is conducted, the coil of the relay KM1 is electrified, the normally closed contact switch KM1-1 is disconnected, the normally open contact switch KM1-2 is closed, the first electromagnetic valve 9 is closed, the second electromagnetic valve 10 is started, water in the water storage tank 4 stops entering the water tank pipeline 13 of the closestool, and water in the tap water pipeline enters the water tank pipeline 13 of the closestool.

When the water quantity in the water storage tank 4 is increased, the pressure applied to the force-sensitive resistor RA is increased to reduce the resistance of the force-sensitive resistor RA, the output of a pressure detection signal is increased, the comparator N1 compares the pressure detection signal received by the comparator N1 with a threshold signal VREF, when the pressure detection signal is greater than the threshold signal VREF, the triode Q1 is not conducted, the relay KM1 is powered off, the normally closed contact switch KM1-1 is switched to be closed from an off state, the normally open contact switch KM1-2 is switched to be open from the on state, the first electromagnetic valve 9 is restarted, the second electromagnetic valve 10 is closed, water in a tap water pipe stops entering the closestool, and water in the water storage tank 4 enters the water tank pipeline 13 of the closestool.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The green energy-saving house drainage system is characterized by comprising a rainwater collecting device (2) for collecting rainwater, a filtering device (3) and a water storage tank (4), wherein the rainwater collecting device (2) is arranged on the outer wall of a house (1), the rainwater collecting device (2) is communicated with the filtering device (3), the filtering device (3) is communicated with a water storage tank inlet pipe (6), one end, far away from the filtering device (3), of the water storage tank inlet pipe (6) is communicated with the water storage tank (4), the water storage tank (4) is communicated with a water outlet pipe (7), one end, far away from the water storage tank (4), of the water outlet pipe (7) is communicated with a tee pipe fitting (8), and the tee pipe fitting (8) comprises a first water inlet (11), a second water inlet (12) and a tee pipe fitting (8) outlet; the outlet pipe (7) with first water inlet (11) intercommunication of tee bend pipe fitting (8), just first solenoid valve (9) are installed in first water inlet (11), second water inlet (12) of tee bend pipe fitting (8) are used for with the running water pipe intercommunication, just second solenoid valve (10) are installed in second water inlet (12), tee bend pipe fitting (8) delivery port and water tank pipeline (13) intercommunication of closestool, first solenoid valve (9) with the water storage detection module of detection water storage tank (4) water storage capacity is coupled to second solenoid valve (10), water storage capacity detection module includes:

a pressure detection unit (27) which is installed at the bottom of the water storage tank (4), detects the weight of the water storage tank (4) and sends out a pressure detection signal;

a pressure comparison unit (28) coupled to the pressure detection unit (27) and provided with a threshold signal VREF, for outputting a pressure comparison signal when the received pressure detection signal is less than the threshold signal VREF;

and the switching unit (29) is coupled with the pressure comparison unit (28) and the first electromagnetic valve (9) and the second electromagnetic valve (10), and sends a switching signal to control the first electromagnetic valve (9) to be closed and control the second electromagnetic valve (10) to be opened when receiving the pressure comparison signal.

2. The green energy-saving house drainage system according to claim 1, wherein the pressure detection unit (27) comprises a force-sensitive resistor RA and a first resistor R1, one end of the force-sensitive resistor RA is coupled to the power voltage VCC, the other end of the force-sensitive resistor RA is connected in series with the first resistor R1 and then grounded, and a connection node of the force-sensitive resistor RA and the first resistor R1 is coupled to the pressure comparison unit (28).

3. A green energy-saving house drainage system according to claim 2, wherein the pressure comparison unit (28) comprises a comparator N1, a first signal input terminal of the comparator N1 is coupled to a connection node of the force-sensitive resistor RA and the first resistor R1, a second signal input terminal of the comparator N1 is connected to a threshold signal VREF, and a signal output terminal of the comparator N1 is coupled to the switch unit (29).

4. The system according to claim 3, wherein the threshold signal VREF is composed of a second resistor R2, a third resistor R3 and a fourth resistor R4, the third resistor R3 is connected in series with the fourth resistor R4, the third resistor R3 is coupled to the power voltage VCC, the fourth resistor R4 is grounded, the second signal input terminal of the comparator N1 is coupled to the second resistor R2, and the second resistor R2 is coupled to a connection node between the third resistor R3 and the fourth resistor R4.

5. The green energy-saving house drainage system according to claim 4, wherein the switch unit (29) comprises an NPN transistor Q1 and a relay KM1, wherein a base of the transistor Q1 is coupled to a signal output terminal of the comparator N1, a collector of the transistor Q1 is coupled to the power supply voltage VCC, an emitter of the transistor Q1 is coupled to one end of a coil of the relay KM1, the other end of the relay KM1 is grounded, the relay KM1 comprises a normally closed contact switch KM1-1 and a normally open contact switch KM1-2, and the normally closed contact switch KM1-1 is connected in series in a power supply loop of the first solenoid valve (9); the normally open contact switch KM1-2 is connected in series in a power supply loop of the second electromagnetic valve (10), and the water storage amount detection module is grounded.

6. The green energy-saving house drainage system according to claim 1, wherein the rainwater collecting device (2) comprises a rainwater plate (15), the rainwater plate (15) is fixed on the outer wall of the house (1), one end wall of the rainwater plate (15) is used for being abutted against the side wall of the house (1), the rainwater plate (15) is arranged end to end along the circumferential direction of the house (1), a rainwater groove (16) is formed in the rainwater plate (15) in a sunken manner, the rainwater groove (16) is arranged end to end along the circumferential direction of the house (1), the rainwater plate (15) is close to the top of the house (1), a drainage hole is formed in the bottom of the rainwater plate (15), the drainage hole is communicated with a drainage pipe (17), and one end, far away from the rainwater plate (15), of the drainage pipe (17) is communicated with the filtering device (3).

7. A green energy-saving house drainage system according to claim 1, wherein the filtering device (3) comprises a filtering box (22) and a first filtering net (24), the first filtering net (24) is disposed in the filtering box (22), the edge of the first filtering net (24) is fixed to the inner wall of the filtering box (22), a filtering device water inlet (26) is disposed on one horizontal side of the filtering device (3), the top of the filtering device (3) close to the filtering device water inlet (26) is disposed, a filtering device water outlet (5) is disposed on one side of the filtering device (3) opposite to the filtering device water inlet (26), the filtering device water outlet (5) is close to the bottom of the filtering device (3), a settling tank (23) is disposed in the filtering box (22), the settling tank (23) is disposed between the first filtering net (24) and the filtering device water inlet (26), the top of the settling tank (23) is disposed with an opening, a gap is disposed between the top of the settling tank (23) and the top wall of the filtering box (22), a side of the settling tank (23) close to the first filtering screen (24) and a side of the first filtering box (24) far from the opening, and a plurality of the settling tank (23) are disposed on one side of the first filtering box (24) close to the opening (24), and a plurality of the settling tank (23), the side of the first filtering box (24) far from the first filtering box (24) and the opening, the settling tank (24), and the settling tank (24), the settling tank (23), the side of the settling tank (24) is disposed with a plurality of the settling tank (24), and a plurality of the opening 22 Inner walls of the settling tank (23) are abutted, and the level of the top of the settling tank is lower than the level of the bottom end of the water inlet (26) of the filtering device.

8. The green energy-saving house drainage system according to claim 7, wherein the filtering device (3) further comprises an impurity adsorption tank (25), the impurity adsorption tank (25) is arranged in the filtering box body (22), the impurity adsorption tank (25) is located between the first filter screen (24) and the filtering device water outlet (5), the outer wall of the impurity adsorption tank (25) is abutted to the inner wall of the filtering box body (22), a plurality of filter holes penetrating through the impurity adsorption tank (25) are formed in the two horizontal sides of the impurity adsorption tank (25), and the impurity adsorption tank (25) is filled with filter cotton and active carbon for adsorption.

9. A green energy-saving house drainage system according to claim 6, wherein a second filter (18) is fixed on the drainage hole, the second filter (18) is fixed on one end of the drainage hole close to the roof, the edge of the second filter (18) is fixed on the inner wall of the drainage hole, and the second filter (18) is convex upwards.

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