CN210313739U - Direct drinking water device for residential building - Google Patents

Abstract

The utility model provides a water installation is directly drunk to resident's residential building, including directly drinking water supply equipment body, the waste water tank, switching power supply, the solenoid valve, time controller, there is a immersible pump its characterized in that waste water tank inside, the waste water tank is installed under ground, booster pump intake end and municipal tap water delivery pipe fixed connection, booster pump and five solenoid valves, directly drink water supply equipment body through the pipeline, the pipe joint is connected, switching power supply, time controller install in the component box to connect through the wire with the solenoid valve. The utility model discloses a pipe is managed with water supply line, straight water dispenser body pipeline and the pipe connection of registering one's residence in single pipe, and single pipe structure is compact, simple to operate, the installation space who occupies is little, the outdoor building wall of installation back is more pleasing to the eye, and can wash the filter core in the automatic recoil of certain time, has saved the human cost and can effectively guarantee water supply safety, can also make waste water obtain make full use of. Based on the foregoing, the utility model discloses good application prospect has.

Description

Direct drinking water device for residential building

Technical Field

The utility model relates to a water treatment facilities field, especially a device of drinking water directly in resident's house building.

Background

The direct drinking water is also called healthy running water, and refers to water which is free from pollution and degradation and can be directly drunk under the three conditions that the pH value is alkalescent according with the physiological needs of human bodies. Along with the improvement of living standard of people and the development of water supply equipment technology, the residential district uniformly uses direct drinking water equipment to supply water and is more and more widely applied, the uniform direct drinking water supply not only saves the water consumption cost caused by the self-supply of a water purifier or the purchase of barreled water by each household, but also can provide the direct drinking water reaching the standard for the household in real time, provides convenience for the water consumption of the user, and simultaneously brings economic benefit for the water supply department.

The direct drinking water supply equipment mainly comprises a booster pump, a carbon fiber filter element mechanism, an RO reverse osmosis membrane filter element mechanism, an active carbon filter element mechanism, a matched pressure switch, a control circuit, a rack and the like; in the use, the booster pump is gone into carbon fiber filter core, RO reverse osmosis membrane filter core, active carbon filter core with the running water pressure boost pump in, and the direct drinking water up to standard gets into the user's pipeline after the processing of outflow, and the user just can drink direct drinking water at any time after opening the pipeline water valve of family. Under the action of a pressure switch communicated with the user pipeline, the control circuit turns off the power supply of the booster pump after the water pressure is enough, and turns on the power supply of the booster pump after the water pressure is not enough, so that the control circuit can keep the water pressure and the water quantity in the user pipeline in real time, and the water demand of people is fully met.

The existing direct drinking water supply equipment and the municipal tap water pipe network supply water to enter the home of a user through one pipeline respectively, the two pipelines are laid respectively, inconvenience is brought to actual operation, the structure is not compact, a corresponding large number of installation spaces can be occupied, and the outdoor wall is not attractive after being installed. In order to supply water for sanitation, the conventional direct drinking water supply equipment generally needs to flush a plurality of stages of filter elements in the direct drinking water supply equipment by water backflushing at intervals, so that the good working performance of the filter elements is kept; because manual management is needed, the water supply cost is increased for a water supplier, and when management and maintenance personnel are not responsible or forget to maintain, the drinking water sanitation of residents cannot be guaranteed; meanwhile, the water after the back washing of the filter element of the existing direct drinking water supply equipment and the waste concentrated water discharged from the RO reverse osmosis membrane filter element are directly discharged into a sewer, so that the water source waste can be caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects that the prior direct drinking water supply equipment applied to residential districts is limited by the structure and two pipelines are respectively needed when a common tap water pipe enters a house, thereby causing inconvenient outdoor pipeline installation, incompact structure, large occupied installation space and unattractive building wall after installation, and the drawback that the filter core is backflushed and washed by manual management and the waste water can not be effectively utilized, the utility model provides a single pipe middle pipe which is used for connecting the municipal common tap water pipeline, the direct drinking machine body pipeline and the household pipeline, the single pipe has compact structure, convenient installation, small occupied installation space and more beautiful outdoor building wall surface after installation, and the filter element can be automatically back-flushed within a certain time, so that the labor cost is saved, the water supply safety can be effectively ensured, and the waste water can be fully utilized.

The utility model provides a technical scheme that its technical problem adopted is:

a direct drinking water device for residential buildings comprises a direct drinking water supply device body, a waste water tank, a switching power supply, an electromagnetic valve and a time controller, and is characterized in that a submersible pump is arranged in the waste water tank, the waste water tank is provided with a cover, the upper end of the middle part of the cover of the waste water tank is provided with an observation port, the waste water tank is arranged below the ground, a water outlet pipe of the submersible pump of the waste water tank is positioned above the ground, the water inlet end of a booster pump of the direct drinking water supply device body is fixedly connected with a municipal tap water supply pipe, the water outlet end of the booster pump is fixedly connected with one end of a first electromagnetic valve and one end of a first lateral connecting pipe, the other end of the first lateral connecting pipe is fixedly connected with one end of a second electromagnetic valve, the other end of the second electromagnetic valve is fixedly connected with one end of a second lateral connecting, a purified water pipe is arranged in the other end of the third electromagnetic valve, a plurality of indoor water inlet pipes are arranged below the purified water pipe in parallel, the other end of the first electromagnetic valve is fixedly connected with one end of a third side connecting pipe and a carbon fiber filter element mechanism water inlet pipe of the direct drinking water supply equipment body, the other end of the third side connecting pipe is fixedly connected with one end of a fourth electromagnetic valve, the other end of the fourth electromagnetic valve is fixedly connected with one end of a fourth side connecting pipe and one end of a fifth electromagnetic valve, the other end of the fifth electromagnetic valve is connected with one end of a fifth side connecting pipe, the other end of the fifth side connecting pipe is fixedly connected with a waste concentrated water pipe of an RO membrane filter element mechanism of the direct drinking water supply equipment body, the other end of the fourth side connecting pipe is positioned at the upper part in a waste water tank, the three-in-pipe three-way joint and a bent-in-pipe, the length of the inner pipe is greater than that of the outer pipe, a plurality of fixing seats are fixedly arranged in the outer pipe at intervals, the middle part of each fixing seat is provided with an inner ring with internal threads, the outer sides of the inner rings of the fixing seats and the inner side of the outer ring are connected together through a plurality of connecting strips, an open structure is arranged between the outer sides of the inner rings of the fixing seats and the inner side of the outer ring, the inner pipe is arranged on the inner side of the outer pipe, external threads are arranged on the outer sides of the front end and the rear end of the inner pipe, one of a water inlet pipe and a water outlet pipe below the tap water pipe and the water outlet pipe are respectively connected through an in-pipe straight joint, a pipe-in-pipe three-way joint and a pipe-in-pipe bent joint, the tap water pipe, the water outlet pipe and the water outlet pipe are respectively connected through, the element box is arranged in an electric control box of the direct drinking water supply equipment body, a power supply input end of a switch power supply and two poles of a 220V alternating current power supply are respectively connected through leads, a power supply output end of the switch power supply and two power supply input ends of two sets of time controllers are respectively connected through leads, a power supply output end of a first set of time controller and two power supply input ends of a first electromagnetic valve, a third electromagnetic valve and a fifth electromagnetic valve are respectively connected through leads, and a power supply output end of a second set of time controller and two power supply input ends of a second electromagnetic valve and a fourth electromagnetic valve are respectively connected through leads.

The pipe-in-pipe, the pipe-in-pipe straight joint, the pipe-in-pipe tee joint and the pipe-in-pipe elbow joint are made of stainless steel and copper materials.

The pipe-in-pipe straight joint comprises an inner connecting pipe and an outer connecting pipe, the length of the inner connecting pipe is consistent with that of the outer connecting pipe, a plurality of supporting bars are arranged at the upper end and the lower end of the outer side of the in-ring connecting pipe, the outer ends of the supporting bars are respectively arranged at the upper end and the lower end of the inner part of the inner connecting pipe, an open structure is arranged between the outer side of the inner connecting pipe and the inner side of the outer connecting pipe, and internal threads are arranged at the upper end and the lower end of the inner part.

Pipe-in-pipe elbow joint includes two interconnection takeovers and the outer joint pipe of a 90 degrees bending, the outside interval certain distance of every interconnection takeover respectively has a plurality of support bars, both ends around the left inside of outer joint pipe are installed respectively to the outside end of a plurality of support bars of one of them interconnection takeover, both ends about the outside end of a plurality of support bars of another interconnection takeover is installed respectively at outer joint pipe's the lower right inside, be open structure between the interconnection takeover outside and the outer joint pipe inboard, outer joint pipe's interior left part and interior right part down, the inside of interconnection takeover all has the internal thread, sealing installation is in the same place between two interconnection takeovers.

The pipe-in-pipe three-way joint comprises a straight pipe body and three connecting pipes, wherein a plurality of supporting bars are respectively arranged at the outer side of a first connecting pipe at intervals, the outer side ends of the plurality of supporting bars of the first connecting pipe are respectively arranged in the left end of the middle part of the straight pipe body, an open structure is arranged between the outer side of the first connecting pipe and the inner side of the middle part of the straight pipe body, the lower end of a second connecting pipe is arranged in a hole at the upper right end of the straight pipe body, the lower part of the second connecting pipe is communicated with the inside of the straight pipe body, the upper end of a third connecting pipe is arranged in a hole at the lower right end of the straight pipe body, the upper part of the third connecting pipe is arranged with the right part of the first connecting pipe together, the inside of the first connecting pipe is communicated with the inside of the third connecting pipe and isolated from the inside of the straight pipe body, the third connecting pipe has an external thread.

The external threads of the inner pipe in the pipe and the external threads of the outer pipe can be screwed into the internal threads of the inner connecting pipe and the internal threads of the outer connecting pipe of the straight joint in the pipe and the pipe, the internal threads of the inner connecting pipe and the external threads of the inner connecting pipe of the bent joint in the pipe and the pipe, and the internal threads of the left end of the first connecting pipe of the tee joint in the pipe and the straight pipe.

The valve core of the electromagnetic valve is normally closed.

The time controller is a microcomputer time control switch.

The switching power supply is a switching power supply module converting Alternating Current (AC) 220V into Direct Current (DC).

The utility model has the advantages that: the utility model discloses during the use, other use and the principle of straight water supply equipment body are unanimous completely with current straight water supply equipment. Under the action of the time controller, the first, the third and the fifth electromagnetic valves are powered on to work in a period of time, the inner valve cores of the first, the third and the fifth electromagnetic valves are opened, the direct drinking water supply equipment body is used for treating tap water, the treated direct drinking water enters the indoor water purification pipe through the inner pipe of the pipe (a water purification pipe valve can be installed at the place where the purified water pipe enters the house), and the tap water enters the indoor tap water pipe through the outer pipe of the pipe; ensures that the user can use tap water and direct drinking water simultaneously. The utility model discloses a pipe is managed with the ordinary water supply pipe of municipal administration, straight drink water supply equipment body pipeline and the pipe connection of registering one's residence in the single pipe, and the installation space that single pipe structure is compact, simple to operate, possess is little, the outdoor building wall of installation back is more pleasing to the eye. Under the action of a time controller, after each period of time, the first electromagnetic valve, the third electromagnetic valve and the fifth electromagnetic valve lose power and do not work, the inner valve core of the first electromagnetic valve is closed, the second electromagnetic valve and the fourth electromagnetic valve are powered to work, and the inner valve core of the second electromagnetic valve and the fourth electromagnetic valve is opened, so that tap water pumped by the booster pump flows into the active carbon filter element mechanism, the RO reverse osmosis membrane filter element mechanism and the carbon fiber filter element mechanism of the direct drinking water supply equipment body in the reverse direction, and blockages on the outer sides of the active carbon filter element mechanism, the RO reverse osmosis membrane filter element mechanism and the carbon fiber filter element mechanism can be washed down in the reverse direction, so that the active carbon filter element mechanism, the RO reverse osmosis membrane filter element mechanism and the carbon fiber filter element mechanism of the direct drinking water supply equipment body can be effectively cleaned, and; waste water after washing and the useless dense water after the filtration that RO reverse osmosis membrane filter core mechanism discharged at ordinary times get into the waste water tank, after opening the immersible pump switch in the waste water tank, can be used as the district interior planting and irrigate etc. and enable waste water and obtain make full use of. Based on the above, so the utility model discloses good application prospect has.

Drawings

The invention will be further explained with reference to the drawings and examples.

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

Fig. 2 is a schematic view of the pipe-in-pipe structure of the present invention.

Fig. 3 is a structural schematic diagram of the straight joint in the pipe in the utility model.

Fig. 4 is a schematic view of a pipe-in-pipe three-way joint structure of the present invention.

Fig. 5 is a structural schematic view of the pipe-in-pipe elbow joint of the present invention.

Fig. 6 is a circuit diagram of the present invention.

Detailed Description

As shown in fig. 1, 2, 3, 4 and 5, a direct drinking water device for residential buildings comprises a direct drinking water supply device body 1, a waste water tank 2, a switching power supply 3, electromagnetic valves 41, 42, 43, 44 and 45 and a time controller 5; the direct drinking water supply equipment body is provided with a carbon fiber filter element mechanism 101, an RO reverse osmosis membrane filter element mechanism 102, an activated carbon filter element mechanism 103, a booster pump 104, a pressure switch, a control circuit, a rack 105 and the like, a submersible pump is arranged in a waste water tank 2, the waste water tank is provided with a cover 201, a toughened glass observation port 202 (beneficial for observing the water level in the waste water tank 201) is arranged at the upper end of the middle part of the waste water tank cover, the waste water tank 2 is arranged below the ground short of the direct drinking water supply equipment body 1, a submersible pump water outlet pipe 203 of the waste water tank 2 is arranged above the ground, the water inlet end of the booster pump 104 of the direct drinking water supply equipment body is connected with a municipal tap water supply pipe through a pipeline and a pipeline joint, the water outlet end of the booster pump 104 is connected with one end of a first electromagnetic valve 41, one end of a, The other end of the second electromagnetic valve 42 is connected with one end of the second side connecting pipe 62 through a pipeline and a pipeline joint, the other end of the second side connecting pipe 62 is connected with one end of the third electromagnetic valve 43 and the water outlet pipe of the direct drinking water supply equipment body activated carbon filter element mechanism 103 through a pipeline and a pipeline joint, a purified water pipe 63 is arranged in the other end of the third electromagnetic valve 43, a plurality of inlet pipes 631 are arranged below the purified water pipe 63 in parallel, the other end of the first electromagnetic valve 41 is connected with one end of the third side connecting pipe 64, the inlet pipe of the direct drinking water supply equipment body carbon fiber filter element mechanism 101 is connected through a pipeline and a pipeline joint, the other end of the third side connecting pipe 64 is connected with one end of the fourth electromagnetic valve 44 through a pipeline and a pipeline joint, the other end of the fourth electromagnetic valve 44 is connected with one end of the fourth side connecting pipe 65, and one end, the other end of a fifth electromagnetic valve 45 is connected with one end of a fifth side connecting pipe 66, the other end of the fifth side connecting pipe 66 is connected with a waste concentrated water pipe of an RO reverse osmosis membrane filter core mechanism 102 of a direct drinking water supply equipment body through a pipeline and a pipeline joint, the tail end of the other end of a fourth side connecting pipe 65 is positioned at the upper part in a waste water tank 2, the RO reverse osmosis membrane filter core mechanism also comprises a pipe-in-pipe 7, a pipe-in-pipe straight joint 9, a pipe-in-pipe three-way joint 10 and a pipe-in-pipe elbow joint 11, the pipe-in-pipe comprises an inner pipe 71 and an outer pipe 72, the length of the inner pipe 71 is greater than that of the outer pipe 72, a plurality of fixing seats 72-1 are fixedly arranged in the inner part of the outer pipe at certain intervals, an inner ring with internal threads is arranged in the middle of the fixing seats 72-1, the outer side of the inner pipe 71 is provided with a plurality of external threads at certain intervals, the external diameter of the external threads of the inner pipe 71 is larger than that of the outer side of the inner pipe 71, the internal threads of the inner rings of a plurality of fixing seats 72-1 on the inner side of the outer pipe 72 are screwed in through the plurality of external threads on the outer side of the inner pipe 71, the inner pipe 71 is arranged on the inner side of the outer pipe 72 (the inner pipe 71 can be welded on the inner side of the outer pipe 72 to prevent the inner pipe 71 from rotating during installation), the external threads are arranged on the outer sides of the front end and the rear end of the outer pipe 72 and the inner pipe 71, the tap water pipe and the next household water inlet pipe 631 and the middle pipe 7 of the purified water pipe are respectively connected through the straight pipe-in-pipe joint 9, the three pipe-in-pipe joint 10 and the pipe-in-pipe elbow joint 11, the tap water pipe, the circuit board is installed in the component box 8, and the component box 8 is installed in the electric control box 8 of the direct drinking water supply equipment body.

As shown in fig. 1, 2, 3, 4 and 5, the tube-in-tube 7, the tube-in-tube straight joint 8, the tube-in-tube three-way joint 10 and the tube-in-tube bent joint 11 are made of stainless steel or copper materials. The pipe-in-pipe straight joint 9 comprises an inner connecting pipe 91 and an outer connecting pipe 92, the length of the inner connecting pipe 91 is consistent with that of the outer connecting pipe 92, a plurality of supporting strips 93 are welded at the upper end and the lower end of the outer side of the inner connecting pipe 91, the outer ends of the supporting strips 93 are respectively welded at the upper end and the lower end of the inner connecting pipe 91, an open structure is arranged between the outer side of the inner connecting pipe 91 and the inner side of the outer connecting pipe 92, and the upper end and the lower end of the inner part of the outer connecting pipe 92 and the upper end and the. The pipe-in-pipe elbow joint 11 includes two inner connection pipes 111 and an outer connection pipe 112 bent at 90 degrees, a plurality of support bars 113 are welded to the outer side of each inner connection pipe 111 at certain intervals, the outer ends of a plurality of supporting bars 113 of one inner connecting pipe 111 are respectively welded at the front end and the rear end of the left inner part of the outer connecting pipe 112, the outer ends of a plurality of supporting bars 113 of the other inner connecting pipe 111 are respectively welded at the upper end and the lower end of the right lower inner part of the outer connecting pipe 112, an open structure is arranged between the outer side of the inner connecting pipe 111 and the inner side of the outer connecting pipe 112, the inner left part, the inner lower right part and the inner inside of the inner connecting pipe of the outer connecting pipe are respectively provided with, the left outer end of one inner connecting pipe 111 and the left outer end of the outer connecting pipe 112 are in a vertical plane, the right lower outer end of the other inner connecting pipe 111 and the right lower outer end of the outer connecting pipe 112 are in a horizontal plane, and the two inner connecting pipes 111 are hermetically welded together. The pipe-in-pipe three-way joint 10 comprises a straight pipe body 10-1 and three connecting pipes 10-2, a plurality of supporting strips 10-3 are respectively welded on the outer side of the first connecting pipe 10-2 at a certain distance, the outer side ends of the supporting strips 10-3 of the first connecting pipe are respectively welded in the left end of the middle part of the straight pipe body 10-1, an open structure is formed between the outer side of the first connecting pipe 10-2 and the inner side of the middle part of the straight pipe body 10-1, the lower end of the second connecting pipe 10-2 is welded in a hole at the upper right end of the straight pipe body 10-1, the lower part of the second connecting pipe 10-2 is communicated with the inside of the straight pipe body 10-1, the upper end of the third connecting pipe 10-2 is welded in a hole at the lower right end of the straight pipe body 10-1, the upper part of the third connecting pipe 10-2 is welded with, the inside of the first connecting pipe 10-2 is communicated with the inside of the third connecting pipe 10-2 and isolated from the inside of the straight pipe body 10-1, the left outer side end of the first connecting pipe 10-2 and the straight pipe body 10-1 are positioned on a vertical plane, the left end of the inside of the straight pipe body 10-1 and the left end of the inside of the first connecting pipe 10-2 are provided with internal threads, and the second connecting pipe 10-2 and the third connecting pipe 10-2 are provided with external threads. The external thread of the inner pipe 71 in the pipe-in-pipe and the external thread of the outer pipe 72 can be screwed into the internal thread of the inner connecting pipe 91 and the internal thread of the outer connecting pipe 92 of the straight joint in the pipe-in-pipe respectively, the internal thread of the inner connecting pipe 111 and the internal thread of the outer connecting pipe 112 of the bent joint in the pipe-in-pipe, and the internal thread of the left end of the first connecting pipe 10-2 and the straight pipe 10-1 of the three.

As shown in fig. 6, solenoid valves DC1, DC2, DC3, DC4, DC5 are 12V spool normally closed solenoid valves of brand deluxe, each power being 3W. The time controller U1 and U2 are microcomputer time control switch products of brand CHNT/Zhengtai, model KG316T, having two 12V power input ends 1 and 2 feet, two power output ends 3 and 4 feet, and a liquid crystal display screen, a plurality of operation keys, the plurality of operation keys are respectively cancel/restore, time correction, week correction, automatic/manual, timing, clock keys, when in use, the plurality of keys are respectively operated through the numbers displayed by the liquid crystal display screen, the power of a period of time output by the two power output ends 3 and 4 feet can be set, when in adjustment, a user can open the box cover for adjustment, the microcomputer time control switch product is internally provided with a lithium storage battery, as long as secondary adjustment is not carried out, the external 12V power supply is powered off, and the internally set time program can not be changed. The switching power supply U3 is a finished product of a switching power supply module for changing alternating current 220V into 12V in bright latitude. The power input ends 1 and 2 of a switching power supply U3 and two poles of a 220V alternating current power supply are respectively connected through leads, the power output ends 3 and 4 of a switching power supply U3 and the power input ends 1 and 2 of two sets of time controllers U1 and U2 are respectively connected through leads, the power output ends 3 and 4 of the first set of time controller U1 and the power input ends of a first electromagnetic valve DC1, a third electromagnetic valve DC3 and a fifth electromagnetic valve DC5 are respectively connected through leads, and the power output end of the second set of time controller U2 and the power input ends of a second electromagnetic valve DC2 and a fourth electromagnetic valve DC4 are respectively connected through leads.

Fig. 1, 2, 3, 4, 5 show, in the utility model discloses in, one of them income household inlet tube 631 under water pipeline, the clean water pipe 63 and pipe in the pipe 7 are connected through intraductal straight joint 9 in the pipe, pipe in pipe three way connection 10, pipe in pipe elbow joint 11 respectively, and the water pipe in the user's family, the clean water pipe of entrying household and pipe in the pipe 7 are connected through intraductal straight joint 9 in the pipe, pipe in pipe three way connection 10, pipe in pipe elbow joint 11 respectively. When one of the water outlet end of the tap water pipeline (a plurality of water outlet ends are connected in parallel) and the outer side of one of the water inlet pipes 631 of the next water purification pipe are respectively provided with an external thread when the water inlet pipe 631 of the next water purification pipe and the next water outlet end of the tap water pipeline are respectively connected with one of the water outlet end of the tap water pipeline, the external thread of one of the water inlet pipes 631 of the next water purification pipe and the external threads of the second connecting pipe and the third connecting pipe 10-2 of the three-way joint 10 of the pipe-in-pipe through a common steel pipe direct joint or a steel pipe bent joint, so that one of the water outlet end of the tap water pipeline, one of the water inlet pipes 631 of the one user and the second connecting pipe and the third connecting pipe 10-2 of the three-way joint 10 of the pipe-in-pipe are respectively connected together, and a plurality of water outlet ends of the tap water pipeline, a plurality of water inlet pipes 631 of the next water pipeline And (4) starting the process. When the pipe-in-pipe 7 is connected with the pipe-in-pipe three-way joint 10, the external threads on the outer sides of one ends of the inner pipe 71 and the outer pipe 72 of the pipe-in-pipe 7 are respectively screwed into the left end inside the first connecting pipe 10-2 and the internal threads of the straight pipe body 10-1 of the pipe-in-pipe three-way joint 10, so that the pipe-in-pipe 7 is connected with the pipe-in-pipe three-way joint 10. When the pipe-in-pipe 7 and the pipe-in-pipe 7 need to be connected, the outer side external thread at one end of the outer pipe 72 and the outer side external thread at one end of the inner pipe 71 of one pipe-in-pipe 7 can be respectively screwed into the inner threads at one end of the outer connecting pipe 92 and the inner connecting pipe 91 of the straight joint 9 in the pipe-in-pipe, and the outer side external thread at one end of the outer pipe 72 and the outer side external thread at one end of the inner pipe 71 of the other pipe-in-pipe 7 can be respectively screwed into the inner threads at the other end of the outer connecting pipe 92 and the; when the pipe-in-pipe 7 and the pipe-in-pipe 7 need to be connected, the external thread on the outer side of one end of the inner pipe 71 and the external thread on the outer side of one end of the outer pipe 72 of one pipe-in-pipe 7 can be screwed into the internal thread on one end of the inner connecting pipe 111 and the outer connecting pipe 112 of the pipe-in-pipe elbow joint respectively, and the external thread on the outer side of one end of the inner pipe 71 and the external thread on one end of the outer pipe 72 of the other pipe-in-pipe 7 can be screwed into the internal thread on the other end of the inner connecting pipe 111 and the. When each connected pipe-in-pipe 7 needs to enter a household, the pipe-in-pipe 7 can be connected with the household through the pipe-in-pipe three-way joint 10, and then the other two ends of the pipe-in-pipe three-way joint 10 are directly connected with a tap water pipe and a purified water pipe of a household; when the concrete pipe-in-pipe 7 is connected with the pipe-in-pipe three-way joint 10, the external threads on the outer sides of the inner pipe 71 and the outer pipe 72 of the pipe-in-pipe 7 are screwed into the left end inside the first connecting pipe 10-2 and the internal threads of the straight pipe body 10-1 of the pipe-in-pipe three-way joint 10 respectively, so as to realize the connection of the pipe-in-pipe 7 and the pipe-in-pipe three-way joint 10, then the external threads on the water inlet end of the household tap water pipeline and the water inlet end of the household purified water pipe are processed by a common steel pipe straight joint or steel pipe bent joint and pipeline, so that the water inlet end of the household tap water pipeline, the external threads on the water inlet end of the household purified water pipe, the second connecting pipe of the pipe-in-pipe three-way joint 10 and the external threads of the third connecting pipe 10-2 are connected together, so as to realize the connection of the water inlet end of the household tap water, And the water-saving pipeline, the household water-purifying pipeline is directly arranged near the household wall, such as the wall around the vegetable washing basin in the kitchen, the water outlet end of the household tap water pipeline in the household of the user is connected with the household tap water pipeline through the pipeline joint, and the water outlet end of the household water-purifying pipeline can be directly provided with a valve). Through the above, the pipe-in-pipe 7 can be conveniently connected before entering the home, the pipe-in-pipe 7 can simultaneously convey tap water and treated purified water to enter the home of a user, and the single pipeline is compact in structure, convenient to install, small in occupied installation space and attractive in appearance of an outdoor building wall surface after installation.

As shown in fig. 1, 2, 3, 4, 5, and 6, after a 220V ac power supply enters a switching power supply U3, a power output terminal 3 and a pin 4 of a switching power supply U3 output a stable 12V power supply to enter two power input terminals of two sets of time controllers U1 and U2, so that the two sets of time controllers U1 and U2 are in a power-on operating state. In use, under the internal circuit of the first time controller U1 and the time set by the technician, after the first time controller U1 is powered on, the power of 240 hours can be output by the 3 and 4 pins of the first time controller U1 to enter the two ends of the power input of the first electromagnetic valve DC1, the third electromagnetic valve DC3 and the fifth electromagnetic valve DC5, so that the first electromagnetic valve DC1, the third electromagnetic valve DC3 and the fifth electromagnetic valve DC5 can be powered on to open the internal valve core thereof, the second electromagnetic valve DC2 and the fourth electromagnetic valve DC4 can not be powered on to close the internal valve core thereof, thus, under the combined action of the pressure switch and the control circuit, the booster pump 104 pumps the tap water input from the water inlet end of the booster pump 104 (the water inlet end of the booster pump 104 is connected with the tap water pipe) and inputs the tap water into the carbon fiber filter core mechanism 101 of the direct drinking water supply equipment body through the first electromagnetic valve DC1, under the self function of the carbon fiber filter core mechanism 101 of the direct drinking, the treated tap water enters an RO reverse osmosis membrane filter element mechanism 102 of a direct drinking water supply equipment body, the pure water treated by the RO reverse osmosis membrane filter element mechanism 102 enters an activated carbon filter element mechanism 103, the treated pure water enters a purified water pipe of a user's home through a household water inlet pipe 631, an inner pipe 71 of a pipe-in-pipe 7, an inner connecting pipe 91 of a straight joint in the pipe-in-pipe, a first connecting pipe 10-2 of a pipe-in-pipe three-way joint 10, a third connecting pipe 10-2 and two inner connecting pipes 111 of a pipe-in-pipe elbow joint, the user can normally use direct drinking purified water by opening a purified water pipe valve, the waste water discharged by a waste concentrated water pipe 102-1 of the RO reverse osmosis membrane filter element mechanism 102 normally enters a waste water tank 2 through an electromagnetic valve DC5 (the first-stage carbon fiber filter element mechanism 101 removes impurities such as effective silt, iron and suspended solids, and reverse osmosis, the second stage RO reverse osmosis membrane filter element mechanism 102 can remove color and peculiar smell and can remove chemical substances in water, such as chloride, pesticide, carcinogenic substances and the like, and the third stage active carbon filter element mechanism 103 can further remove peculiar smell in water); ordinary tap water enters the tap water pipeline of a user home from the inside of the tap water pipeline, the inside of the outer pipe 72 of the pipe-in-pipe 7, the inside of the outer connecting pipe 92 of the straight joint in the pipe-in-pipe, the inside of the second connecting pipe 10-2 of the pipe-in-pipe three-way joint 10, the inside of the straight pipe body 10-1 and the inside of the outer connecting pipe 112 of the pipe-in-pipe elbow joint, and the user can normally use tap water by opening a tap water pipe valve. Under the combined action of the pressure switch and the control circuit, the booster pump 104 works or stops working according to the water pressure of the pipe-in-pipe inner pipe 71, the water pressure is high, the control circuit controls the booster water pump 104 to stop working according to a pressure signal input by the pressure switch, the water pressure is low, and the control circuit controls the booster water pump 104 to start working according to a pressure signal input by the pressure switch, so that the pressure input into the water purifying pipe of the household is ensured to meet the requirement (the pressure switch is arranged on one side of the water purifying pipe 63). After the second time controller U2 is powered on for 240 hours, pins 3 and 4 of the second time controller U2 can output 5 minutes of power to enter two ends of power input ends of a second electromagnetic valve DC2 and a fourth electromagnetic valve DC4, so that the second electromagnetic valve DC2 and the fourth electromagnetic valve DC4 can be powered on and open internal valve plugs thereof, at the moment, the first time controller U1 can stop outputting 6 minutes of power to enter two ends of power input ends of a first electromagnetic valve DC1, a third electromagnetic valve DC3 and a fifth electromagnetic valve DC5, within 6 minutes, the first electromagnetic valve DC1, the third electromagnetic valve DC3 and the fifth electromagnetic valve DC5 can not be powered on and close internal valve plugs thereof, thus, under the combined action of a pressure switch and a control circuit, the booster pump the tap water input at the water inlet end of the booster pump 104 and reversely input the tap water into the activated carbon filter element 103 of the direct drinking water supply equipment body through the second electromagnetic valve DC2, the reverse inflow water flushes the blockage sundries outside the filter element of the activated carbon filter element mechanism 103 and reversely enters the RO reverse osmosis membrane filter element mechanism 102 of the direct drinking water supply equipment body, the reverse inflow water flushes the blockage sundries outside the filter element of the RO reverse osmosis membrane filter element mechanism 102 and reversely enters the carbon fiber filter element mechanism 101 of the direct drinking water supply equipment body, and then the sewage is discharged into the waste water tank 2 through a fourth electromagnetic valve DC4 and a fourth side connecting pipe; after 5 minutes, pins 3 and 4 of the second time controller U2 stop outputting power to enter two power input ends of a second electromagnetic valve DC2 and a fourth electromagnetic valve DC4, so that the internal valve cores of the second electromagnetic valve DC2 and the fourth electromagnetic valve DC4 lose power and are closed, at an interval of one minute, the first time controller U1 outputs 240 hours of power to enter two power input ends of a first electromagnetic valve DC1, a third electromagnetic valve DC3 and a fifth electromagnetic valve DC5, so that the first electromagnetic valve DC1, the third electromagnetic valve DC3 and the fifth electromagnetic valve DC5 are powered again to work, the internal valve cores are opened for 240 hours, and the device enters a state of supplying direct drinking water for a user; the above work is continuously cycled. By the above, the filter element in the direct drinking water supply equipment body can be automatically backflushed and cleaned every 10 days for 5 minutes, so that the labor cost is saved, and the water supply safety can be effectively ensured; the waste water after washing and the concentrated waste water after filtration discharged by the RO reverse osmosis membrane filter element mechanism 102 at ordinary times enter the waste water tank 2, and after a submersible pump power switch in the waste water tank 2 is turned on, the waste water can be used for being planted in a community, irrigated and the like, so that the waste water can be fully utilized. In the utility model, because the direct drinking water supply equipment body 1 has moderate water treatment capacity, one set of the utility model can be installed in every adjacent buildings; the booster pump 102 can meet the actual requirement with about 2KW of power. If a larger direct drinking water supply equipment body 1 is adopted, a common tap water pipe and a household inlet pipe can be respectively paved under the ground of a unit building of each building, and household installation is realized through a pipe-in-pipe 7 and the like. The direct drinking water supply equipment body 1 is Yujia in brand and YJ-RO-2KW in model.

The basic principles and essential features of the invention and the advantages of the invention have been shown and described above, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but rather can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. A direct drinking water device for residential buildings comprises a direct drinking water supply device body, a waste water tank, a switching power supply, an electromagnetic valve and a time controller, and is characterized in that a submersible pump is arranged in the waste water tank, the waste water tank is provided with a cover, the upper end of the middle part of the cover of the waste water tank is provided with an observation port, the waste water tank is arranged below the ground, a water outlet pipe of the submersible pump of the waste water tank is positioned above the ground, the water inlet end of a booster pump of the direct drinking water supply device body is fixedly connected with a municipal tap water supply pipe, the water outlet end of the booster pump is fixedly connected with one end of a first electromagnetic valve and one end of a first lateral connecting pipe, the other end of the first lateral connecting pipe is fixedly connected with one end of a second electromagnetic valve, the other end of the second electromagnetic valve is fixedly connected with one end of a second lateral connecting, a purified water pipe is arranged in the other end of the third electromagnetic valve, a plurality of indoor water inlet pipes are arranged below the purified water pipe in parallel, the other end of the first electromagnetic valve is fixedly connected with one end of a third side connecting pipe and a carbon fiber filter element mechanism water inlet pipe of the direct drinking water supply equipment body, the other end of the third side connecting pipe is fixedly connected with one end of a fourth electromagnetic valve, the other end of the fourth electromagnetic valve is fixedly connected with one end of a fourth side connecting pipe and one end of a fifth electromagnetic valve, the other end of the fifth electromagnetic valve is connected with one end of a fifth side connecting pipe, the other end of the fifth side connecting pipe is fixedly connected with a waste concentrated water pipe of an RO membrane filter element mechanism of the direct drinking water supply equipment body, the other end of the fourth side connecting pipe is positioned at the upper part in a waste water tank, the three-in-pipe three-way joint and a bent-in-pipe, the length of the inner pipe is greater than that of the outer pipe, a plurality of fixing seats are fixedly arranged in the outer pipe at intervals, the middle part of each fixing seat is provided with an inner ring with internal threads, the outer sides of the inner rings of the fixing seats and the inner side of the outer ring are connected together through a plurality of connecting strips, an open structure is arranged between the outer sides of the inner rings of the fixing seats and the inner side of the outer ring, the inner pipe is arranged on the inner side of the outer pipe, external threads are arranged on the outer sides of the front end and the rear end of the inner pipe, one of a water inlet pipe and a water outlet pipe below the tap water pipe and the water outlet pipe are respectively connected through an in-pipe straight joint, a pipe-in-pipe three-way joint and a pipe-in-pipe bent joint, the tap water pipe, the water outlet pipe and the water outlet pipe are respectively connected through, the element box is arranged in an electric control box of the direct drinking water supply equipment body, a power supply input end of a switch power supply and two poles of a 220V alternating current power supply are respectively connected through leads, a power supply output end of the switch power supply and two power supply input ends of two sets of time controllers are respectively connected through leads, a power supply output end of a first set of time controller and two power supply input ends of a first electromagnetic valve, a third electromagnetic valve and a fifth electromagnetic valve are respectively connected through leads, and a power supply output end of a second set of time controller and two power supply input ends of a second electromagnetic valve and a fourth electromagnetic valve are respectively connected through leads.

2. A direct drinking water apparatus for residential buildings according to claim 1, wherein the pipe-in-pipe, the straight joint inside the pipe-in-pipe, the three-way joint inside the pipe-in-pipe, and the elbow joint inside the pipe-in-pipe are made of stainless steel and copper material.

3. A direct drinking water device for residential buildings according to claim 1, wherein the direct joint in the pipe-in-pipe comprises an inner connecting pipe and an outer connecting pipe, the length of the inner connecting pipe is the same as that of the outer connecting pipe, a plurality of support bars are arranged at the upper and lower ends of the outer side of the inner connecting pipe, the outer ends of the support bars are respectively arranged at the upper and lower ends of the inner connecting pipe, an open structure is arranged between the outer side of the inner connecting pipe and the inner side of the outer connecting pipe, and the upper and lower ends of the inner part of the outer connecting pipe and the upper and lower ends of the inner part of the.

4. A direct drinking water apparatus for residential buildings as claimed in claim 1, wherein the elbow joint comprises two inner connecting pipes and an outer connecting pipe bent at 90 degrees, each inner connecting pipe has a plurality of support bars at a certain distance from the outside, the outer ends of the support bars of one inner connecting pipe are respectively installed at the front and rear ends of the left inside of the outer connecting pipe, the outer ends of the support bars of the other inner connecting pipe are respectively installed at the upper and lower ends of the right lower inside of the outer connecting pipe, an open structure is provided between the outside of the inner connecting pipe and the inside of the outer connecting pipe, the inner left part, the inner lower right part, and the inside of the inner connecting pipe of the outer connecting pipe are provided with internal threads, and the two inner connecting pipes are hermetically installed together.

5. A direct drinking water apparatus for residential buildings as claimed in claim 1, wherein the three-way union comprises a straight tube and three connecting tubes, the first connecting tube has a plurality of support bars at a certain distance from the outside, the first connecting tube has a plurality of support bars at the outside, the support bars are mounted at the left end of the straight tube, the first connecting tube has an open structure between the outside and the inside of the straight tube, the second connecting tube has a lower end mounted in the upper right end opening of the straight tube, the second connecting tube has a lower end connected to the inside of the straight tube, the third connecting tube has an upper end mounted in the lower right end opening of the straight tube, the third connecting tube has an upper portion mounted to the right portion of the first connecting tube, the first connecting tube communicates with the third connecting tube and is isolated from the inside of the straight tube, the left end of the straight tube and the first connecting tube have internal threads, the second connecting pipe and the third connecting pipe are provided with external threads.

6. A direct drinking water apparatus for residential buildings according to claim 5, wherein the external threads of the inner pipe and the external threads of the outer pipe can be screwed into the internal threads of the inner connecting pipe and the external threads of the inner connecting pipe of the straight joint of the pipe-in-pipe, the internal threads of the inner connecting pipe and the external threads of the outer connecting pipe of the elbow joint of the pipe-in-pipe, and the internal threads of the first connecting pipe and the straight pipe of the tee joint of the pipe-in-pipe.

7. A direct drinking water apparatus for residential buildings according to claim 1, wherein the valve core of the electromagnetic valve is normally closed.

8. A direct drinking water apparatus for residential buildings as claimed in claim 1, wherein the time controller is a microcomputer time controlled switch.

9. A direct drinking water apparatus for residential buildings according to claim 1, wherein the switching power supply is a 220V ac to dc switching power supply module.

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