WO2008003231A1

WO2008003231A1 - Automatic water saving system for domestic building

Info

Publication number: WO2008003231A1
Application number: PCT/CN2007/001989
Authority: WO
Inventors: Ligong Li
Original assignee: Ligong Li
Priority date: 2006-06-29
Filing date: 2007-06-25
Publication date: 2008-01-10
Also published as: AU2007271653A1

Abstract

An automatic water saving system for domestic building is disclosed. The system includes a main device provided in the bottom of a washing machine and integrated with the latter, a sterile water tank and a two-way automatic toilet water tank. The main device comprises a waste water filter provided with a apparatus for automatically cleaning the filter screen, a drain valve, a check valve and a pump. The drain pipe of the washing machine is connected with the inlet of the filter. One end of the drain valve is connected with the sewage outlet of the filter, and the other end is connected with the floor outlet. One end of the check valve is connected with the water outlet of the filter, and the other end is connected with the inlet of the pump. The outlet of the pump is connected with the sterile water tank via a water inflow pipe, while the water outflow pipe of the sterile water tank is connected with the inlet valve of the toilet water tank. The program controlled circuit controls the filter, the drain valve and the pump. The system can reuse the domestic waste water locally, automatically, aseptically and economically in one family.

Description

Residential home automatic water saving system

Technical field

The invention belongs to the field of wastewater recycling and reuse, and particularly relates to a residential household automatic water saving system.

Background technique

At present, most of the residential household wastewater treatment uses manual washing of washing water and bath water. When the wastewater is used, the water is flushed by the artificial water, which is time-consuming and labor-intensive. Although there are many patents in the field of wastewater recycling and reuse, the design of the automatic water-saving system for residential homes needs to meet the four technical indicators of in situ, automatic, aseptic and economic, so it is currently a patented product or a market. There are products that do not meet the four technical indicators.

For example: Chinese patent publication number is "CN2530986Y", the new name is "washing machine automatic water saving device" practical new book

The patent discloses a water-saving device provided on the washing machine bracket. The principle is to use the washing machine circuit and the automatic water-saving device circuit to connect, control the photoelectric recognizer to identify the waste water, and carry out the first and second rinse water of the washing machine. Recycling automatic water saving device for flushing toilet. The water-saving device of this structure has certain progress, but there are certain defects - 1) The device only recovers the rinsing water in the washing machine, and does not consider better utilization of other domestic wastewater, such as washing vegetables, taking a bath. 2) The maintenance-free filter in the device has incomplete backwashing, requires periodic removal of the filter element, and manual cleaning of the filter defect; 3) The water tank of the device is not designed with a sterilizing device, and there is no intake and exhaust ventilator. Fully enclosed sterilization technology, there are safety hazards; 4) The device is connected to the inlet valve of the ordinary toilet water tank, and there is no automatic design of the tap water. When the water is reused, the water in the toilet tank is inconvenient for the user. Therefore, it is necessary to develop a residential household automatic water saving system that simultaneously achieves four technical indicators of local, automatic, sterile and economical, which is also the object of the present invention.

Summary of the invention

The object of the present invention is to provide a residential home automatic water saving system that simultaneously achieves four technical indicators of local, automatic, sterile and economical, which can uniformly recycle all household wastewater. It has the advantages of backwashing, automatic cleaning of the filter and prolonging the life cycle of the filter. The water tank has a sterilization function, eliminating the safety hazard of reuse of water, and also having a water-free toilet. The advantages of automatic water supply for water tank tap water.

In order to achieve the above object, the technical solution of the present invention is: a residential home automatic water saving system, comprising a water-saving host, a sterile water tank and a two-way automatic water supply tank, which are arranged at the bottom of the washing machine and integrated with the washing machine, and water saving The main engine mainly includes a waste water filter, a drain valve, a check valve and a water pump provided with an automatic brush cleaning device on the inner wall of the filter. The washing machine drain pipe is connected to the water filter inlet of the waste water filter, and one end of the drain valve is connected to the sewage filter sewage port, and the other end is connected. Floor drain, One end of the check valve is connected to the water outlet of the waste water filter, and the other end is connected to the water inlet of the water pump. The water outlet of the pump is connected to the sterile water tank through the upper water pipe. The water pipe of the sterile water tank is connected to the inlet valve of the double automatic water supply tank, the washing machine program control circuit Control the water filter, drain valve and pump action of the water-saving main unit.

In order to make the waste water filter have the advantages of thorough backwashing, automatic cleaning of the filter net and prolonging the life cycle of the filter element, the waste water filter in the water-saving main unit includes a filter element and a casing, and the flow filter has a flow current including a through hole. The inner wall of the filter cartridge is provided with an automatic brushing device for the inner wall of the filter net, which comprises an electric motor, a clutch, a brush bar, a bristles and a yoke. The two ends of the filter core are provided with a yoke having a central hole, and the brush rod is provided. At the center of the filter element and passing through the central hole of the yoke, a brush and an electric motor are sequentially disposed at one end of the brush rod near the water inlet, and the clutch and the electric motor are respectively disposed inside and outside the housing, on the outer wall of the brush rod Providing a bristles in contact with the inner wall of the filter; a sealing ring is disposed at a portion of the outer wall of the end surface of the filter element that is in contact with the equalizing tube; and a casing of the waste water filter adjacent to the sewage port is provided with a threaded connection thereof The end surface of the filter element is provided with a handle on the inner side of the end cover, and an rubber is disposed between the handle and the end cover, and the rubber is fixedly connected to the inner surface of the end cover.

In order to make the water tank have a fully enclosed sterilization function, the upper end of the side wall of the sterile water tank is provided with a water tank upper nozzle, an intake and exhaust respirator port, and a full water contact point, and the sterilization water tank side wall further has a sterilization box and a cleaning port. The bottom of the water tank is provided with a water receiving area, and the lowest part of the water collecting area is provided with a water tank drain, a floating water tank is arranged inside the sterile water tank, and a water level gauge connected with the floating ball is arranged outside the sterile water tank.

In order to uniformly recycle all the wastewater in the residential household, the water-saving main unit at the bottom of the washing machine is provided with two waste water filters, the washing machine drain pipe, the washing dish drain pipe and other drain pipes are connected to the two waste water filters. Inlet, one end of the drain valve is connected to the two waste water filter sewage ports through the three-way, and the other end of the drain valve is connected to the ground drain. One end of the check valve is connected to the two waste water filter outlets through the three-way, and the other end of the check valve Connect the water pump inlet.

The invention has the beneficial effects that: the invention simultaneously achieves the design purpose of the in-situ, 'automatic, aseptic and economical four technical indicators, and can uniformly recycle all the household wastewater, and has the backwash thoroughly and automatic cleaning. The filter net has the advantages of extending the life cycle of the filter element. The water tank has a fully enclosed sterilization function, eliminating the safety hazard existing in the reuse of the water, and also has the advantages of automatically supplying water to the toilet water tank when the water is no longer used.

DRAWINGS

1 is a schematic view showing the overall structure of a residential home automatic water saving system of the present invention;

Figure 2 is a cross-sectional view of the residential home automatic water saving system A-A of the present invention;

Figure 3 is a partial enlarged view of the residential home automatic water saving system I of the present invention;

4 is a schematic view showing the overall structure of a waste water filter in the water saving host of the present invention;

Fig. 5 is a schematic view showing the installation structure of the equalizing cylinder and the guiding cylinder in the waste water filter in the water saving main body of the present invention. In the figure, 1 reuse water inlet valve, 2 is automatic inlet valve, 3 double automatic water supply toilet tank, 4 reuse faucet, 5 sterile water tank down pipe, 6 catchment area, 7 sterilization box, 8 cleaning Mouth, 9 full water contacts, 10 sterile water tanks, 11 inlet exhaust breathing ports, 12 sterile water tank upper pipes, 13 floats, 14 water level gauges, 15 washing machines, 16 full water contact circuits, 17 washing machine drains, 18 other Drainage pipe, 19 waste water filter, 20 drain wide, 21 check valve, 22 water pump, 23 wash bowl drain, 24 wash bowl, 25 washing oily organic sink, 26 washing oily organic washing Basin drain pipe, 27 floor drain, 28 sterile water tank upper nozzle, 29 sterile water tank drain, 101 shell, 102 port, 103 water inlet, 104 flow tube, 105 filter, 107 sewage port, 110 water outlet, 111 seal, 112 clutch, 113 shaft seal, 114 motor, 115 pedestal, 116 brush bar, 117 bristles, 118 through hole, 119 through hole, 120 seal, 121 end cover, 122 eraser, 123 handle, 124 guide tube , 125 fan-shaped through holes, 126 exhaust ports, 127 check valves 128 are baffles.

detailed description

The invention will be further described with reference to the accompanying drawings and specific embodiments, but not to be construed as limiting.

The "two-way automatic water supply toilet water tank" described in the present invention is a prior art, and the announcement number applied by the applicant is

"CN2900645Y" utility model patent, which is provided with two inlet valves for reusing the water inlet valve and the tap water inlet valve, and then using the permanent inlet valve to connect the automatic limit device under the tap of the tap water inlet valve through the pressure hose . The purpose is to reuse the water to flush the toilet, and then use the tap water to automatically flush the toilet when the water is not water.

In order to make the invention achieve the design goals of four technical indicators of in situ, automatic, aseptic and economic, and to recycle and reuse all household wastewater, the residential home automatic water saving system shown in Fig. 1 includes The water-saving main unit, the sterile water tank 10, and the two-way automatic water supply tank water tank 3 which are disposed at the bottom of the washing machine 15 and integrated with the washing machine 15 are integrated. The water-saving main body mainly includes a waste water filter 19, a drain valve 20, a check valve 21, and a water pump 22. In order to thoroughly backwash the waste water filter 19, the waste water filter 19 is internally provided with an automatic brushing device for the inner wall of the filter. In order to make full use of the wastewater of the residential household, two waste water filters 19 are provided on the side of the bottom of the washing machine 15, and the washing machine drain pipe 17, the washing dish drain pipe 23 and other drain pipes 18 are connected to the two waste water filters 19 The nozzle 103 (shown in FIG. 4), the drain valve 20-end is connected to the two sewage filters 19 through the three-way port 19 (as shown in FIG. 4), the other end of the drain valve 20 is connected to the floor drain 27, and the check valve The 21st end is connected to the two water outlets 110 of the two waste water filters 19 through the tee (as shown in FIG. 4), and the other end of the check valve 21 is connected to the water inlet of the water pump 22. The water outlet of the water pump 22 is connected to the water pipe 12 on the sterile water tank, and the water pipe 5 of the sterile water tank is connected to the water inlet valve of the double automatic water supply tank. The sterile water tank down pipe 5 is connected to the reuse water inlet valve 1 of the two-way automatic water supply tank water tank 3. A reuse faucet 4 is disposed between the sterile water tank lower water pipe 5 and the toilet water tank inlet valve. The washing machine 15 program control circuit controls the waste water filter 19, the drain valve 20, and the water pump 22 of the water saving main unit to operate. In order to achieve the purpose of sterilizing, using and cleaning the aseptic water tank of the present invention, the upper end of the side wall of the sterile water tank 10 is provided with a sterile water tank water inlet 28, an intake and exhaust breathing port 11, and a full water joint 9, The sterilization box 7, the cleaning port 8, the full water contact 9 is connected to the water pump 22 through the full water contact circuit 16, and the relay is de-energized. The pair of normally closed contacts of the relay are connected to the drain valve 20, and the side wall of the sterile water tank 10 is further provided. There is a sterilization box 7, a cleaning port 8, a water receiving area 6 is arranged at the bottom of the sterile water tank 10, a water tank water outlet 29 is provided at the lowest point of the water receiving area 6, and a floating ball 13 is provided inside the sterile water tank 10, a sterile water tank The water level gauge 14 connected to the float ball 13 is provided outside.

In order to achieve the purpose of designing the waste water filter in the water-saving main body of the present invention to thoroughly wash back the filter, automatically clean the filter net, and extend the life cycle of the filter element, as shown in FIG. 4, the waste water washing in the water-saving main body of the present invention is shown in FIG. The filter 19, the water inlet 103 of the waste water washing filter is connected to the draining port for washing vegetables, bathing and washing, the water outlet 110 of the waste water washing filter is connected to the water pump 22 through the check valve 21, and the sewage port 107 of the waste water washing filter is drained. The valve 20 is connected to a household drain pipe. The waste water washing filter 19 includes a casing 101 and a filter element 105. The outer wall of the casing 101 is provided with an outwardly protruding water inlet 103, a water outlet 110, a sewage port 107 and an exhaust port 126. The water outlet 110 is connected to a check valve 21, and the sewage port 107 is connected to the drain valve 20. In order to make the water pump 22 pump smoothly, the exhaust port 126 is provided with a one-way valve 127 for one-way exhaust and reverse closing functions. In order to achieve the uniform flow of the wastewater and facilitate the installation of the filter element 105, a uniform flow tube 104 is added to the outside of the filter element 105. As shown in FIG. 5, the flow tube 104 is a sleeve having a slope as a whole, and the flow tube 104 is placed close to the motor 114. The gradient of the flow tube 104 is a slope that is small and large. A through hole 119 is formed in the wall of the flow equalizer 104. In order to ensure uniform flow of the waste water entering the filter element 105, and avoid excessive concentration of impurities on the inner wall of the filter element caused by partial return of the water flow, the flow tube 104 is provided with a flow equalization plate 128 near the wall of the water outlet 110, and the corresponding through hole 119 is disposed at It is distributed on the wall of the flow equalization cylinder 104 outside the region of the flow equalization plate 128 and along the axis of the flow equalization cylinder 104. The filter element 105 has a hollow cylindrical shape as a whole, and has a filter mesh on the outer wall and a port 102 on both end faces. The filter mesh is a metal filter mesh. The water inlet 103 and the sewage port 107 of the casing 101 are respectively communicated with the opening 102 of the end surface of the filter element 105. The water outlet 110 of the casing 101 communicates with the filter screen of the filter element 105 and the through hole 119 of the flow tube 104. In order to achieve the purpose of cleaning the filter screen, an automatic brushing device for the inner wall of the filter is provided at the center of the filter element 105. In order to make the overall filtering effect of the present invention good, a sealing ring 111 is provided at a portion where the outer wall of the end surface of the filter element 105 is in contact with the equalizing tube 104.

The filter inner wall automatic brushing device includes an electric motor 114, a clutch 112, a brush bar 116, bristles 117, and a yoke 115. A shank 115 is sleeved in the port 102 of the two ends of the filter element 105. The center of the shank 115 is provided with a central hole for accommodating the brush bar 116, and a fan-shaped through hole is arranged around the center hole for convenient water circulation. 125, the optimal number of the fan-shaped through holes 125 is three. The brush rod 116 is disposed at the center of the filter element 105 and passes through a central hole of the creel 115. A sliding gap is disposed between the brush rod 116 and the yoke 115. The brush rod 116 is disposed adjacent to the water inlet 103-end with a clutch 112 and an electric motor 114 connected in sequence, and a clutch 112 and an electric motor 114 are respectively disposed on the housing 1 Internal and external. The outer wall of the brush bar 116 is provided with bristles 117 which are in contact with the inner wall of the filter. In order to prevent leakage of the waste water to the outside of the casing 101, a shaft seal 113 is provided on the shaft connecting the electric motor 114 and the clutch 112.

For the purpose of facilitating the replacement of the filter element, the end of the casing 101 adjacent to the sewage port 107 is provided with an end cover 121 which is screwed thereto; the end surface of the filter element 105 is provided with a handle 123, a handle 123 and a filter element 105 on the inner side of the end cover 121. Connected as one. In order to ensure that the brush bar 116 cooperates with the clutch 112, a rubber 122 is disposed between the handle 123 and the end cover 121, and the rubber 122 is fixedly coupled to the inner surface of the end cover 121. The eraser 122 is a soft eraser.

In order to make the layout and number of the bristles 117 most reasonable, the bristles 117 are symmetrically disposed on both sides of the brush bar 116, and adjacent bristles 117 are spaced apart. In order to facilitate the installation of the flow tube 104 and the filter element 105, the flow tube 104 and the guide tube 124 are arranged as shown in FIG. 5, and the guide tube 124 is disposed near the end of the sewage port 107, and the outer wall of the guide tube 124 is provided correspondingly. The through hole 118 of the sewage port 107 has a sloped inner wall of the guide cylinder 124, and the inclined surface is connected to the equalization cylinder 104 provided with the slope. In order to provide good sealing between the end cap 121 and the housing 101, the end cap 121 is provided with a sealing pad 120 at a portion in contact with the end of the housing 101.

After the filter element is replaced, after the filter element is used for a long time, the filter is cracked and the bristles 117 are worn. When it needs to be replaced, the end cover 121 of the casing 101 is manually rotated, the filter element is taken out by the handle 123, the new filter element is inserted, and the #t fastening end is manually rotated. Cover 121, complete the replacement of the waste water filter element.

Therefore, the waste water washing filter in the water-saving host of the invention has reasonable design, good sealing effect and convenient use, not only has a filtering function, but also has a backwashing and discharging function of the automatic cleaning filter, thereby prolonging the service life of the filter. In addition, the work process of replacing the filter is simplified, and the advantage of replacing the filter element is also facilitated. Therefore, the waste water washing filter of the present invention can be widely applied to households, laundry, restaurants and other water saving devices.

Working principle of residential home automatic water saving system:

1) Emissions from organic washing water:

Sewage discharge from domestic wastewater. Sewage refers to water that is artificially or automatically identified, unfiltered, including washing water containing detergent, rinsing water generated during laundry, and the like. The household wastewater enters the water inlet 103 of the waste water washing filter through the drainage pipe, flows through the port 102 of the filter element 105, is filtered through the filter net, is manually or automatically recognized, and is judged to be water, and the washing work control circuit in the washing machine program control circuit is started. At the water outlet 110, the water pump 22 is closed, the check valve 21 is closed, the drain valve 20 is opened, the motor 114 is activated, the clutch 112 is driven to operate the brush rod 116, and the brush rod 116 is rotated to simultaneously rotate the brush 117 to clean the filter inner wall of the filter element 105. The upper debris is discharged into the floor drain 27 by the sewage port 107 as the sewage is discharged.

The washing water of the washing machine for washing the oily organic matter is washed, and the washing water containing the organic matter in the washing pot of the oily organic matter is directly discharged into the floor drain 27 through the drain pipe 26 of the washing tub for washing the oily organic matter. 2) Waste water recovery:

The water available in the household refers to water that can be reused after being filtered, including water produced by washing vegetables, first and second rinse water generated during washing, and the like. The household wastewater enters the water inlet 3 of the waste water washing filter through the pipeline, flows through the port 2 of the filter core 5, enters into the filter core 5, and is judged to be water usable by human or automatic identification, and the rinsing work control in the program control circuit of the washing machine at this time When the circuit is started, the water pump 22 is opened, the check valve 21 is opened, the drain valve 20 is closed, the motor 114 is not activated, and the brush rod 116 that the clutch 112 is attached is not working, and the water can be filtered by the filter and passed through the equalizing tube 104. The hole 19 flows uniformly to the water outlet 110, and the large foreign matter remains on the inner wall of the filter, and is washed when the sewage is discharged. The available water in the household is filtered through the waste water filter 19, and then enters the water pump 22 through the check valve 21; the water pump 22 passes the filtered reuse water through the sterile water tank upper water pipe 12 to the sterile water tank 10 to store water. When the water level in the sterile water tank 10 reaches the set height, the full water contact 9 acts, the water pump 22 working relay is de-energized, the pair of normally closed contacts of the relay is connected to the drain valve 20, the washing machine 15 only drains, does not store water, and the washing machine rinses the wastewater. carry out.

The water of the washing basin 24 enters the washing dish drain pipe 23, is filtered by the waste water filter 19, and then enters the check valve 21, 'the water contact point is operated, the contact point is connected to the circuit, and the water level reaches the set height, and the contact point activates the water pump 22, The filtered vegetable washing water enters the water pump 22, and the water pump 22 stores the filtered reuse water through the sterile water tank upper water pipe 12 to store the sterile water tank 10. The water level in the check valve 21 drops to the original position, the lower contact opens the circuit, and the water pump 22 stops working.

3) Utilization of recycled water: The recovered water passes through the sterile water tank drain pipe 5 after sterilization of the sterilization box 7 on the sterile water tank 10, and flows into the double-channel automatic water supply toilet tank 3 for flushing the toilet. Alternatively, it may be used for other purposes by the reuse faucet 4 disposed between the sterile water tank lower water pipe 5 and the two-way automatic water supply toilet water tank 3.

Therefore, the present invention realizes the on-site, automatic, aseptic and economical utilization of household wastewater, and is the preferred solution for the domestic house water-saving system.

The embodiments described above are only one of the more preferred embodiments of the present invention, and the usual variations, combinations, and substitutions made by those skilled in the art within the scope of the technical solutions of the present invention are included in the scope of protection of the present invention. Inside.

Claims

Claim

A residential home automatic water saving system, characterized in that: it comprises a water-saving host, a sterile water tank and a two-way automatic water supply tank water tank which are arranged at the bottom of the washing machine and integrated with the washing machine, and the water-saving main body mainly comprises a filter. Waste water filter, drain valve, check valve and water pump of automatic cleaning device on the inner wall of the net, the drain pipe of the washing machine is connected to the waste water filter

5 Inlet, one end of the drain valve is connected to the sewage filter sewage outlet, and the other end is connected to the floor drain. One end of the check valve is connected to the water filter outlet and the other end is connected to the water inlet of the pump. The water outlet of the pump is connected to the sterile water tank through the upper water pipe. The water pipe of the sterile water tank is connected to the inlet valve of the double-channel automatic water supply tank, and the washing machine program control circuit controls the waste water filter, the drain valve and the water pump of the water-saving host.

2. The residential home automatic water saving system according to claim 1, wherein: the waste water filter comprises a 0 filter element and a casing, and a filter tube having a through hole is externally added to the filter element. The filter inner wall automatic brushing device is disposed at the center of the filter core, and comprises an electric motor, a clutch, a brush bar, a bristles and a yoke. The two ends of the filter element are provided with a yoke having a central hole, and the brush bar is disposed at the center The center of the filter element passes through the center hole of the yoke, and the brush rod is provided with a clutch and an electric motor connected in sequence at one end of the water inlet. The clutch and the electric motor are respectively disposed inside and outside the housing, and the outer wall of the brush rod is provided with a bristles contacting the inner wall of the filter; a sealing ring is arranged at a position of the outer wall of the end face of the filter element which is in contact with the equalizing tube; the end of the casing of the waste water filter adjacent to the sewage port is provided with a threaded end thereof The cover has a handle on the inner side of the end cover, and a rubber is arranged between the handle and the end cover, and the rubber is fixedly connected to the inner surface of the end cover.

The residential home automatic water saving system according to claim 1 or 2, wherein: the aseptic water tank side. The upper end of the wall is provided with a water tank upper water inlet, an intake and exhaust respirator opening, and a full water joint, There is also a sterilization box and a .0 cleaning port on the side wall of the sterile water tank. The bottom of the water tank is provided with a water receiving area. The lowest part of the water receiving area is provided with a water tank drain. The sterile water tank is provided with a floating ball, a sterile water tank. A water level gauge connected to the float is provided outside.

The residential home automatic water saving system according to any one of claims 1 to 3, characterized in that: the water saving main unit of the bottom portion of the washing machine is provided with two waste water filters, a washing machine drain pipe and a washing dish drain The pipe and other drain pipes are diverted into the inlets of the two waste water filters. One end of the drain valve is connected to the two sewage filter sewage ports through the three-way, the other side of the drain port is connected to the floor drain, and one end of the check valve is connected through the three-way connection. Enter the two water filter outlets and the other end of the check valve to connect the water pump inlet.