A kind of parallel purifier of many filter elements
Technical field
The invention belongs to purifier field, particularly relate to a kind of parallel purifier of many filter elements.
Background technology
At present, when ceramic element filter element of water purifier is carried out, it is that water purifier is dismantled, washes away the dirt got off by scraping blade or brush cleaning on ceramic element with clear water so that it is recover permeability.When tap water pressure is less or water quality is poor, need often to dismantle water purifier cleaning ceramic filter element.So troublesome poeration and easily filter element is caused loss, utility model patent CN204798967U
Improving drawbacks described above: utilize miniature gears reducing motor to be used as power source, the power transmission shaft of outer magnetic ring end or mechanical transmission-type mechanism that its output shaft scrubs assembly magnetic drives formula mechanism with ceramic filter element water purifier without disassembly and washing is connected;On the sewage draining exit of water purifier cylinder cylinder, it is connected to electromagnetic valve;Miniature gears reducing motor and blowoff electromagnetic valve are by program timer control.But still there is problems with, 1. need motor as power source;2. the dirt for cleaning also needs to realize by setting up blowoff valve;3. persistently ceramic element can be scrubbed by motor-driven assembly of scrubbing, easily ceramic element be caused loss, shorten the life-span of ceramic element.
Summary of the invention
The technical problem to be solved is: the deficiency existed for prior art, it is provided that a kind of filter element without dismantling and cleaning and automatic cleaning filter core also get rid of the parallel ceramic water purification apparatus of many filter elements of dirt under cleaning.
For realizing the purpose of the present invention, it is achieved by the following technical solutions: a kind of parallel purifier of many filter elements, include base, the cylinder being connected is fixed with base, the multiple element kits being arranged between cylinder and base, it is arranged on the brush assembly in the outside of described element kit, and is arranged on element kit the drive mechanism for driving brush assembly and element kit.
Described base side wall top forms drinking water interface;Described base side wall bottom forms undrinkable water interface;Described base upper end center position forms taper lower concave part;Discharge outlet is offered in the middle of described taper lower concave part;Described discharge outlet and described undrinkable water orifice;Described base uniformly forms multiple filter element interface along described taper lower concave part edge circumference;Described chassis interior forms the drinking water passage for connecting the plurality of filter element interface;Described drinking water passage and described drinking water orifice.
Described cylinder is upper end closed, the cylindrical shape of lower ending opening;Described cylinder upper end center position forms water supply connector;The position of the corresponding described upper water supply connector of described cylinder inner top forms lower water supply connector;Described upper water supply connector connects with described lower water supply connector.
Described element kit includes ceramic element and is respectively fixedly connected with the bottom end cover at ceramic element two ends and upper end cover;Integrally formed with the filter element joint that connect internal with ceramic element in the middle of described bottom end cover;Described filter element joint is rotationally connected with described filter element interface;Integrally formed with positioning head in the middle of described upper end cover;Described upper end cover bottom circumferentially forms card toothholder;Described card toothholder upper surface the most uniformly forms multiple driven latch.
Described brush assembly includes plural connecting plate, and lower clamping ring integrated with described connecting plate and upper clamping ring;Described connecting plate outer surface is fixedly connected with for brushing the bristle of dirt on ceramic element outer wall;It is provided with connection plectane in the middle of described upper clamping ring;Described connection plectane outer wall the most uniformly forms multiple connecting rod;Described connecting rod outer end is fixedly connected on described upper clamping ring inwall;Described connection plectane upper end forms rotation slot;It is 10 ~ 20 ° that described upper rotation slot inner bottom surface and horizontal plane form angle a;Described connection plectane lower end is fixedly connected with float;Described lower clamping ring bottom the most uniformly forms the arc port of more than three;Described lower clamping ring lower end is fixedly connected with positioning pluging rod between adjacent two arc ports;Described base upper end forms the locating slot coordinated with described positioning pluging rod;Described drive mechanism includes the partial gear engaged with described driven latch, upper locating rack, is arranged on the water wheels in described upper locating rack, and is arranged on the wind spring between described water wheels and described upper locating rack.
Described water wheels are upper end open, the circular groove shape of lower end closed;Described water wheels upper end is fixedly connected with water wheels upper cover plate;Described water wheels upper cover plate center offers the water supply connector hole coordinated with described lower water supply connector;Described water wheels upper cover plate forms, along water supply connector hole circumference, the support bar being vertically arranged;Described support bar lower end is fixing with described water wheels bottom surface to be connected;Described water wheels lateral wall forms fountain head;The water jet along water wheels periphery tangential direction water spray is formed on fountain head;Described water wheels bottom surface intermediary form has polygon drive link.
Described upper locating rack includes the location-plate of circle, and is molded over the pipe portion of described location-plate periphery;Described pipe portion inwall the most uniformly forms multiple choked flow tooth;Described location-plate center offers central hole;Described location-plate the most uniformly offers the filter element location hole corresponding with described positioning head;It is positioned at described central hole periphery on described location-plate and offers drainage hole.
Described partial gear center forms the set that is in transmission connection;The described set center that is in transmission connection offers the hole that is in transmission connection coordinated with described polygon drive link;The described set upper side that is in transmission connection is fixedly connected with upper chuck;Described upper chuck lower end offsets with described location-plate upper end;Described upper chuck is the shape of upper-thin-lower-thick;The described set top that is in transmission connection circumferentially offers the U-shaped mouth that two or more is equidistantly distributed;The described position being rotationally connected the corresponding described drainage hole in set periphery offers through hole;The position of the upper rotation slot that described partial gear lower end correspondence connects plectane forms transmission tube;Described driving end lower surface coordinates with described upper rotation slot inner bottom surface;Described partial gear lower surface edge formation has actively latch;The described set that is in transmission connection sequentially passes through the through hole of described partial gear, described wind spring and the central hole of described upper locating rack from bottom to top;Described wind spring one end is fixedly connected on the lower surface of described location-plate;The described wind spring other end is fixedly connected on the upper surface of described water wheels.
Preferably: on the upside of described wind spring outer end, form clamp;Lower clamp is formed on the downside of described wind spring the inner;The lower clamp locating hole that the lower clamp with described wind spring coordinates is offered on described location-plate;The upper clamp locating hole that the upper clamp with described wind spring coordinates is offered on described water wheels.
Preferably: a flank of tooth of described driven latch is axially in parallel with the set that is in transmission connection, and this flank of tooth is towards counterclockwise, driven latch another flank of tooth and be in transmission connection set axially between there is the angle of 15 ~ 25 °;One flank of tooth of described active latch is axially in parallel with through hole, and this flank of tooth is towards clockwise, actively another flank of tooth of latch and through hole axially between there is the angle of 15 ~ 25 °.
Preferably: a flank of tooth of described choked flow tooth is radial parallel with pipe portion, and this flank of tooth is towards counterclockwise, another flank of tooth of choked flow tooth and be in transmission connection set radially between there is the angle of 70-80 °.
Preferably: the filter element joint of described bottom end cover includes the Water outlet a being connected to bottom end cover and is connected to the Water outlet b of described Water outlet a lower end;Described Water outlet b external diameter is less than described Water outlet a;It has been respectively fixedly connected with sealing ring outside described Water outlet a and described Water outlet b;Described filter element interface inwall is in stepped with what the Water outlet a of described filter element joint, Water outlet b coordinated.
Preferably: the central angle that described active latch place circular arc is corresponding is less than (360 ÷ ceramic element number) °.
Preferably: described upper water inlet interface is connected with running water pipe, described undrinkable water interface is connected with undrinkable water tap by pipeline a, and described drinking water interface is connected with drinking water spigot by pipeline b;Being also associated with pipeline c between described pipeline a and running water pipe, on described pipeline c, connection has control valve.
Preferably: described control valve is manual modulation valve.
Preferably: described control valve is electric control valve;On described pipeline b, connection has flow transducer, described flow transducer to be connected with the signal input part of controller, and described electric control valve is connected with the outfan of controller;In setting the unit interval, when the flow that flow transducer records is more than setting value, controller controls electric control valve and reduces aperture;In setting the unit interval, when the flow that flow transducer records is less than during in setting value, and controller controls electric control valve and increases aperture.
Preferably: connecting on described running water pipe and have the TRT being driven generating by tap water, described TRT is electrically connected with the controller, and additionally controller is also electrically connected with the accumulator in order to the produced electric energy of storage and power generation apparatus.
Compared with prior art, the invention has the beneficial effects as follows:
The upper water inlet interface of the present invention connects running water pipe, and described undrinkable water interface connects undrinkable water depotition cock, and described drinking water interface connects drinking water depotition cock;During work, tap water enters water wheels by upper water supply connector, the water jet ejection offered from water wheels sidewall, owing to the flank of tooth of choked flow tooth is towards counterclockwise, utilizes the counteracting force of water, promote rotating counterclockwise of water wheels while hindering water clockwise flow;Water is flowed between cylinder and ceramic element by water jet, filters;The water after the filtration filter element joint from ceramic element lower end flows into drinking water passage, finally flows out from drinking water joint.
nullDescribed water wheels drive the set that is in transmission connection to rotate by polygon drive link,The set that is in transmission connection moves partial gear by upper cogged drive belt and rotates,The active latch of partial gear and driven latch engaged transmission,Driven latch drives corresponding ceramic element to rotate clockwise with the set that is in transmission connection,The plane contacted with the upper rotation slot of brush assembly due to the set that is in transmission connection is 15 ~ 25 ° with the angle a of horizontal plane,So when the minimum point of the transmission tube bottom surface of partial gear contacts with the peak of the inner bottom surface of upper rotation slot,Brush assembly is depressed into minimum point at vertical direction,Owing to upper rotation slot lower end is fixedly connected with float,Under the effect of buoyancy of water,Brush assembly gos up to peak at vertical direction,Thus brush assembly can do reciprocal elevating movement at vertical direction while partial gear rotates,Ceramic element can be cleaned in all directions,Dirt accumulates at taper lower concave part,When opening undrinkable water depotition cock,Mud is gone out outside water purifier by water;While water purifier potable water, i.e. realize scrubbing of ceramic element assembly, it is achieved rely on the purpose of the power automatic cleaning ceramic filter element of hydraulic pressure generation;When drinking water depotition cock or undrinkable water depotition cock are in opening, water wheels rotate counterclockwise, and the resistance of wind spring is gradually increased, when the resistance of wind spring is equal to when acting on the water inlet impulse force on water wheels sidewall, water wheels are not rotated further by, and brush assembly stops lifting, and cleaning ceramic filter element also stops operating;When drinking water depotition cock and undrinkable water tap are in closed mode, water jet no longer water outlet, under wind spring restoring force effect, water wheels rotate clockwise, drive is in transmission connection to overlap and rotates, due to partial gear lower edge molding is unidirectional latch, and when the set that is in transmission connection rotates clockwise, partial gear will not rotate;Until wind spring resiles, open drinking water depotition cock or undrinkable water depotition cock, brush assembly cleaning ceramic filter element again;Owing on partial gear, only a fraction forms actively latch, when the active latch of partial gear is with driven latch engagement rotation, driven latch drives and corresponding brush assembly only can be driven to rotate clockwise cleaning ceramic element, thus realizes the purpose of not excessively cleaning ceramic filter element.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is brush assembly and the associated components assembling schematic diagram of the present invention.
Fig. 3 is the decomposition texture schematic diagram of the present invention.
Fig. 4 is the structural representation of base of the present invention.
Fig. 5, Fig. 6 are the structural representations of ceramic component of the present invention.
Fig. 7 is the partial enlarged drawing of the A of Fig. 6.
Fig. 8 is the structural representation of brush assembly of the present invention.
Fig. 9 is the sectional view of brush assembly of the present invention.
Figure 10 is the structural representation of locating rack in the present invention.
Figure 11, Figure 12 are incomplete mechanism gear mechanism schematic diagrams of the present invention.
Figure 13, Figure 14 are the structural representations of water wheels of the present invention.
Figure 15 is the structural representation of cylinder of the present invention.
Figure 16 is the structural representation of embodiment 2.
Figure 17 is the structural representation of embodiment 3.
Figure 18 is that the circuit of embodiment 3 connects block diagram.
1, base;10, taper lower concave part;11, drinking water interface;12, undrinkable water interface;13, filter element interface;131, drinking water passage;15, discharge outlet;16, locating slot;2, cylinder;21, upper water supply connector;22, lower water supply connector;3, element kit;31, ceramic element;32, bottom end cover;322, filter element joint;3221, Water outlet a;3222, Water outlet b;33, upper end cover;332, positioning head;333, card toothholder;334, driven latch;4, brush assembly;41, upper clamping ring;410, upper rotation slot;411, connecting rod;
42, connecting plate;421, bristle;43, lower clamping ring;431, arc port;432, positioning pluging rod;
44, plectane is connected;45, float;5, upper locating rack;51, pipe portion;511, choked flow tooth;52, location-plate;522, hole, filter element location;523, drainage hole;524, central hole;6, water wheels;61, water wheels upper cover plate;62, fountain head;621, water jet;63, water supply connector hole;64, support bar;65, polygon drive link;7, wind spring;8, partial gear;81, actively latch;82, through hole;84, be in transmission connection set;841, be in transmission connection hole;842, upper chuck;843, U-shaped mouth;85, transmission tube.
Detailed description of the invention
Below according to accompanying drawing, the detailed description of the invention of the present invention is made a detailed explanation.
According to shown in Fig. 1 to Figure 15, the one parallel purifier of many filter elements described in the present embodiment, include base 1, the cylinder 2 being connected is fixed with base, the multiple element kits 3 being arranged between cylinder and base, it is arranged on the brush assembly 4 in the outside of described element kit, and is arranged on element kit the drive mechanism for driving brush assembly and element kit.
Described base side wall top forms drinking water interface 11;Described base side wall bottom forms undrinkable water interface 12;Described base upper end center position forms taper lower concave part 10;Discharge outlet 15 is offered in the middle of described taper lower concave part;Described discharge outlet and described undrinkable water orifice;Described base uniformly forms multiple filter element interface 13 along described taper lower concave part edge circumference;Described chassis interior forms the drinking water passage 131 for connecting the plurality of filter element interface;Described drinking water passage and described drinking water orifice.
Described cylinder is upper end closed, the cylindrical shape of lower ending opening;Described cylinder upper end center position forms water supply connector 21;The position of the corresponding described upper water supply connector of described cylinder inner top forms lower water supply connector 22;Described upper water supply connector connects with described lower water supply connector.
Described element kit includes ceramic element 31 and is respectively fixedly connected with the bottom end cover 32 at ceramic element two ends and upper end cover 33;Integrally formed with the filter element joint 322 that connect internal with ceramic element in the middle of described bottom end cover;Described filter element joint is rotationally connected with described filter element interface;Integrally formed with positioning head 332 in the middle of described upper end cover;Described upper end cover bottom circumferentially forms card toothholder 333;Described card toothholder upper surface the most uniformly forms multiple driven latch 334.
Described brush assembly includes plural connecting plate 42, and lower clamping ring 43 integrated with described connecting plate and upper clamping ring 41;Described connecting plate outer surface is fixedly connected with the bristle 421 for brushing dirt on ceramic element outer wall;Connection plectane 44 it is provided with in the middle of described upper clamping ring;Described connection plectane outer wall the most uniformly forms multiple connecting rod 411;Described connecting rod outer end is fixedly connected on described upper clamping ring inwall;Described connection plectane upper end forms rotation slot 410;It is 10 ~ 20 ° that described upper rotation slot inner bottom surface and horizontal plane form angle a;Described connection plectane lower end is fixedly connected with float 45;Described lower clamping ring bottom the most uniformly forms the arc port 431 of more than three;Described lower clamping ring lower end is fixedly connected with positioning pluging rod 432 between adjacent two arc ports;Described float can increase the water buoyancy to brush assembly, when brush assembly moves to minimum point, rises to original position under buoyancy of water.
Described base upper end forms the locating slot 16 coordinated with described positioning pluging rod;Described drive mechanism includes the partial gear 8 engaged with described driven latch, upper locating rack 5, is arranged on the water wheels 6 in described upper locating rack, and is arranged on the wind spring 7 between described water wheels and described upper locating rack.
Described water wheels are upper end open, the circular groove shape of lower end closed;Described water wheels upper end is fixedly connected with water wheels upper cover plate 61;Described water wheels upper cover plate center offers the water supply connector hole 63 coordinated with described lower water supply connector;Described water wheels upper cover plate forms the support bar 64 being vertically arranged along water supply connector hole circumference;Described support bar lower end is fixing with described water wheels bottom surface to be connected;Described water wheels lateral wall forms fountain head 62;The water jet 621 along water wheels periphery tangential direction water spray is formed on fountain head;Described water wheels bottom surface intermediary form has polygon drive link 65.
Described upper locating rack includes the location-plate 52 of circle, and is molded over the pipe portion 51 of described location-plate periphery;Described pipe portion inwall the most uniformly forms multiple choked flow tooth 511;Described location-plate center offers central hole 524;Described location-plate the most uniformly offers the filter element location hole 522 corresponding with described positioning head;It is positioned at described central hole periphery on described location-plate and offers drainage hole 523.
Described partial gear center forms the set 84 that is in transmission connection;The described set center that is in transmission connection offers the hole 841 that is in transmission connection coordinated with described polygon drive link;The described set upper side that is in transmission connection is fixedly connected with upper chuck 842;Described upper chuck lower end offsets with described location-plate upper end;Described upper chuck is the shape of upper-thin-lower-thick;The described set top that is in transmission connection circumferentially offers the U-shaped mouth 843 that two or more is equidistantly distributed;The described position being rotationally connected the corresponding described drainage hole in set periphery offers through hole 82;The position of the upper rotation slot that described partial gear lower end correspondence connects plectane forms transmission tube 85;Described driving end lower surface coordinates with described upper rotation slot inner bottom surface;Described partial gear lower surface edge formation has actively latch 81.
The described set that is in transmission connection sequentially passes through the through hole of described partial gear, described wind spring and the central hole of described upper locating rack from bottom to top.
Described wind spring one end is fixedly connected on the lower surface of described location-plate;The described wind spring other end is fixedly connected on the upper surface of described water wheels;Clamp is formed on the upside of described wind spring outer end;Lower clamp is formed on the downside of described wind spring the inner;The lower clamp locating hole that the lower clamp with described wind spring coordinates is offered on described location-plate;The upper clamp locating hole that the upper clamp with described wind spring coordinates is offered on described water wheels.
One flank of tooth of described driven latch is axially in parallel with the set that is in transmission connection, and this flank of tooth has the angle of 15 ~ 25 ° towards counter clockwise direction, another flank of tooth of driven latch and the set that is in transmission connection between axial;One flank of tooth of described active latch is axially in parallel with through hole, and this flank of tooth is towards clockwise, actively another flank of tooth of latch and through hole axially between there is the angle of 15 ~ 25 °.
One flank of tooth of described choked flow tooth is radial parallel with pipe portion, and this flank of tooth is towards counterclockwise, another flank of tooth of choked flow tooth and be in transmission connection set radially between there is the angle of 70-80 °.
The filter element joint of described bottom end cover includes the Water outlet a3221 being connected to bottom end cover and is connected to the Water outlet b3222 of described Water outlet a lower end;Described Water outlet b external diameter is less than described Water outlet a;It has been respectively fixedly connected with sealing ring outside described Water outlet a and described Water outlet b;Described filter element interface inwall is in stepped with what the Water outlet a of described filter element joint, Water outlet b coordinated.Reduce the frictional force between sealing ring and filter element joint when sealing ring is installed.
The central angle that described active latch place circular arc is corresponding is less than (360 ÷ ceramic element number) °;Driven latch drives and only corresponding brush assembly can be driven to rotate clockwise cleaning ceramic element, it is achieved the purpose of inexcessive cleaning ceramic filter element.
The upper water inlet interface of the present invention connects running water pipe, and described undrinkable water interface connects undrinkable water depotition cock, and described drinking water interface connects drinking water depotition cock;During work, tap water enters water wheels by upper water supply connector, the water jet ejection offered from water wheels sidewall, owing to the flank of tooth of choked flow tooth is towards counterclockwise, utilizes the counteracting force of water, promote rotating counterclockwise of water wheels while hindering water clockwise flow;Water is flowed between cylinder and ceramic element by water jet, filters;The water after the filtration filter element joint from ceramic element lower end flows into drinking water passage, finally flows out from drinking water joint;nullDescribed water wheels drive the set that is in transmission connection to rotate by polygon drive link,The set that is in transmission connection moves partial gear by upper cogged drive belt and rotates,The active latch of partial gear and driven latch engaged transmission,Driven latch drives corresponding ceramic element to rotate clockwise with the set that is in transmission connection,The plane contacted with the upper rotation slot of brush assembly due to the set that is in transmission connection is 15 ~ 25 ° with the angle a of horizontal plane,So when the minimum point of the transmission tube bottom surface of partial gear contacts with the peak of the inner bottom surface of upper rotation slot,Brush assembly is depressed into minimum point at vertical direction,Owing to upper rotation slot lower end is fixedly connected with float,Under the effect of buoyancy of water,Brush assembly gos up to peak at vertical direction,Thus brush assembly can do reciprocal elevating movement at vertical direction while partial gear rotates,Ceramic element can be cleaned in all directions,Dirt accumulates at taper lower concave part,When opening undrinkable water depotition cock,Mud is gone out outside water purifier by water;While water purifier potable water, i.e. realize scrubbing of ceramic element assembly, it is achieved rely on the purpose of the power automatic cleaning ceramic filter element of hydraulic pressure generation;When drinking water depotition cock or undrinkable water depotition cock are in opening, water wheels rotate counterclockwise, and the resistance of wind spring is gradually increased, when the resistance of wind spring is equal to when acting on the water inlet impulse force on water wheels sidewall, water wheels are not rotated further by, and brush assembly stops lifting, and cleaning ceramic filter element also stops operating;When drinking water depotition cock and undrinkable water tap are in closed mode, water jet no longer water outlet, under wind spring restoring force effect, water wheels rotate clockwise, drive is in transmission connection to overlap and rotates, due to partial gear lower edge molding is unidirectional latch, and when the set that is in transmission connection rotates clockwise, partial gear will not rotate;Until wind spring resiles, open drinking water depotition cock or undrinkable water depotition cock, brush assembly cleaning ceramic filter element again;Owing on partial gear, only a fraction forms actively latch, when the active latch of partial gear is with driven latch engagement rotation, driven latch drives and corresponding brush assembly only can be driven to rotate clockwise cleaning ceramic element, thus realizes the purpose of not excessively cleaning ceramic filter element.
Embodiment 2
Shown in Figure 16, the present embodiment makes improvement further on the basis of embodiment 1, described upper water inlet interface is connected with running water pipe, and described undrinkable water interface is connected with undrinkable water tap by pipeline a, and described drinking water interface is connected with drinking water spigot by pipeline b;Being also associated with pipeline c between described pipeline a and running water pipe, on described pipeline c, connection has control valve.Described control valve is manual modulation valve.
Undrinkable water tap is made to have two supply channels in parallel by pipeline c, when drinking water spigot water intaking is less, accordingly, the dirt of ceramic element outer wall accumulation is less, it is not necessary to is carried out ceramic element continually, now tunes up effective aperture of manual modulation valve, more water is passed through from pipeline c, so the fewest through the water yield within ceramic water purification apparatus, water wheels rotation amplitude reduces, and finally decreases and scrubs ceramic element.When drinking water spigot water intaking is more, accordingly, the dirt of ceramic element outer wall accumulation is more, now can tune up the aperture of manual modulation valve, make more water flow through from ceramic water purification apparatus, and water wheels rotation amplitude is relatively big, final increase ceramic element is scrubbed,
Embodiment 3
Shown in Figure 17 and Figure 18, the present embodiment makes improvement further on the basis of embodiment 1, described water inlet interface is connected with running water pipe, and described drainage interface is connected with undrinkable water tap by pipeline a, and described water outlet mouthpiece is connected with drinking water spigot by pipeline b;Being also associated with pipeline c between described pipeline a and running water pipe, on described pipeline c, connection has control valve.Described control valve is electric control valve;On described pipeline b, connection has flow transducer, described flow transducer to be connected with the signal input part of controller, and described electric control valve is connected with the outfan of controller;In setting the unit interval, when the flow that flow transducer records is more than setting value, controller controls electric control valve and reduces aperture;In setting the unit interval, when the flow that flow transducer records is less than during in setting value, and controller controls electric control valve and increases aperture.Connecting on described running water pipe and have the TRT being driven generating by tap water, described TRT is electrically connected with the controller, and additionally controller is also electrically connected with the accumulator in order to the produced electric energy of storage and power generation apparatus.Described TRT can use the TRT provided of the Chinese patent that document number is CN201334984.
The present embodiment detects the usage amount of drinking water automatically by flow transducer, then controls electric control valve by controller and regulates accordingly to corresponding aperture so that the intensity that ceramic element is scrubbed adapts with its controlling the water circulation amount, it is ensured that the service life of ceramic element.It addition, the TRT that controller, electric control valve are driven by tap water is powered, it is not necessary to be individually for its power supply, energy-conserving and environment-protective.