CN208200599U - A kind of water source supply device of rainwater supplying type soilless cultivation - Google Patents

Abstract

The utility model discloses a kind of water source supply devices of rainwater supplying type soilless cultivation, it overcomes and takes up a large area, builds and operating cost is high, problem of effluent quality difference comprising preliminary sedimentation tank, model selection arbiter, absorption filtering pool, clear water reserviors, nutrient solution preparing pool, originally pond and luggage carrier.Preliminary sedimentation tank is mounted on luggage carrier upper layer, absorption filtering pool is mounted on luggage carrier middle layer, clear water reserviors are located on the right side of absorption filtering pool, preliminary sedimentation tank is connect by switch valve S1, model selection arbiter with switch valve S2 and absorption filtering pool pipe, model selection arbiter is connected by switch valve S3 with the room clear water reserviors A pipe, and absorption filtering pool upper and lower end is connected by switch valve S6, switch valve S4 with the room clear water reserviors A pipe；Originally pond is located on the right side of clear water reserviors on luggage carrier, and nutrient solution preparing pool is mounted on the luggage carrier bottom below clear water reserviors, originally pond, nutrient solution preparing pool by switch valve S7, switch valve S8 with the room clear water reserviors B, originally sump tube connects.

Description

A kind of water source supply device of rainwater supplying type soilless cultivation

Technical field

The utility model relates to rainwater treatments to utilize a kind of device with plant soil-less culturing field, more precisely, this Utility model is related to a kind of water source supply device of rainwater supplying type soilless cultivation.

Background technique

An important factor for China is one of water shortage country the most serious in the world, and water resources crisis has become developmental limitation, Rainwater has attracted much attention as a kind of free water source.Existing rainwater-collecting and processing unit are chiefly used in collecting certain area coverage Then interior rainfall is used mixedly or municipal water after the processing operations such as coagulation, precipitating, filtering, disinfection as life.Existing dress Set and method generally there are following problems: take up a large area, construction cost is high；Operating cost is high, in the less area of rainfall, base This is in idle state, and economy is low；Due to being chiefly used in collecting whole rainfall course rainwater, water quality, water fluctuation are big, and processing is tired Difficulty, processing cost are high；Complex disposal process influences the quality of rainwater, effluent quality is poor due to adding various chemical agents.

Soilless cultivation refers to without soil, replaces soil with matrix, or the method for directlying adopt liquid nutrient solution culture plant, Existing culture apparatus is varied.Nutrient solution is the key that soilless cultivation, and water source is particularly important for nutrient solution, soilless cultivation Height is required to source quality, water demand is big.It is at high cost at present generally using deionized water or tap water as supplying water source, no Conducive to the popularization and development of soilless cultivation.

Summary of the invention

Technical problem to be solved in the utility model be overcome land occupation of the existing technology big, construction and run at The problem that this height, processing cost are high, economy is low, effluent quality is poor and soilless culture nutrient fluid water source is at high cost, provides A kind of water source supply device of rainwater supplying type soilless cultivation.

In order to solve the above technical problems, the utility model adopts the following technical scheme that realization: a kind of rainwater The water source supply device of supplying type soilless cultivation includes preliminary sedimentation tank, model selection arbiter, absorption filtering pool, clear water reserviors, nutrition Liquid preparing pool, originally pond and luggage carrier；

The preliminary sedimentation tank is mounted on the upper layer of luggage carrier, and absorption filtering pool is mounted on the middle layer of luggage carrier, is located at preliminary sedimentation The lower right in pond, clear water reserviors are mounted on the right side of absorption filtering pool, and preliminary sedimentation tank is by switch valve S1, model selection arbiter and opens It closes valve S2 and is connected with absorption filtering pool using pipeline, the right end of model selection arbiter passes through the room A of switch valve S3 and clear water reserviors Between pipeline connection, the upper end of absorption filtering pool is connected by the room the A pipeline of switch valve S6 and clear water reserviors, under absorption filtering pool End is connected by the room the A pipeline of switch valve S4 and clear water reserviors；Originally pond is mounted on the right side of clear water reserviors, nutrient solution preparing pool peace Mounted in the bottom of luggage carrier, and it is located at the lower section of clear water reserviors with originally pond, the room B of clear water reserviors passes through switch valve S7 and nutrient solution Preparing pool piping connection, nutrient solution preparing pool are connect by switch valve S8 with originally pond pipeline.

Preliminary sedimentation tank described in technical solution includes that preliminary sedimentation tank main body, No. 1 sieve, No. 1 sensor group and filter net type are intake Nozzle；The preliminary sedimentation tank main body is cylindrical shell formula structural member, and the barrel lower end of preliminary sedimentation tank main body is provided with water outlet；Institute No. 1 sensor group stated includes pH sensor and EC sensor, and pH sensor selects the compound pH vitreous electricity of model E-201-C Pole, EC sensor select the platinum black electrode of model DSJ-1C；No. 1 sieve selects 1.00mm sieve pore or 18 purposes stainless Steel wire weld sieve；The strainer of the filter net type water inlet pipe mouth selects the stainless steel wire of 0.090mm sieve pore or 170 mesh to weld sieve Net；No. 1 sieve be mounted on preliminary sedimentation tank body interior away from 1/4 position of top at, filter net type water inlet pipe mouth is mounted on preliminary sedimentation tank master The inboard of the water outlet of body, No. 1 sensor group are mounted on the bottom end in preliminary sedimentation tank main body, and No. 1 sensor group uses conducting wire and mould Formula selection arbiter is connected.

Absorption filtering pool described in technical solution includes adsorption filtration tank main body, multilayer filtrate and No. 2 sieves；Described The case type structural member that tank main body is the vertical rectangular bodily form is absorbed and filter, the top for absorbing and filter tank main body is provided with Inlet and outlet water Mouthful, it absorbs and filter the upper end of the pool wall of tank main body and bottom end and is respectively arranged with 1 intake-outlet；The multilayer filtrate selection Grain active carbon, quartz sand, haydite, are arranged successively, the filter material layer that relative density is small, partial size is big is arranged in by partial size and density Face, filter material layer relatively denser, that partial size is small are arranged below；The screen size of No. 2 sieves is less than lower layer's filtrate Minimum grain size；No. 2 sieves are mounted on the middle and lower part of adsorption filtration tank main body, thereon by the small particle diameter of filter medium that arrives of particle diameter of filter medium greatly under Filter material layer is arranged to Shangdi.

Clear water reserviors described in technical solution include clear water tank main body, switch valve S5, No. 2 sensor groups and water-level gauge W1； The water-level gauge W1 is identical as the water-level gauge W2 model in originally pond；No. 1 in No. 2 sensor groups and preliminary sedimentation tank Selected sensor model number is identical in sensor group；The clear water tank main body is the hollow structure of two layer of space formula cuboid Part, clear water tank main body are divided into the room A on upper layer and the room B of lower layer using intermediate bulkhead, and the room A is to differentiate room, and the room B is reservoir chamber, clearly Be respectively set on the roof of sink body, side wall and bottom plate 1,2 with 1 through-hole, clear water tank main body is placed on luggage carrier On middle layer；On the indoor partition of A that No. 2 sensor groups are mounted on clear water tank main body, water-level gauge W1 is mounted on the B of clear water tank main body Interior, switch valve S5 are mounted on intermediate bulkhead, and conducting wire and battalion is respectively adopted in No. 2 sensor groups, water-level gauge W1 and switch valve S5 Control centre's connection in nutrient solution preparing pool.

Originally pond includes originally sink body, water-level gauge W2 described in technical solution；The originally sink body For the hollow structural component of cuboid, 1 through-hole is originally provided on the side wall of sink body, originally pond is placed on luggage carrier Middle layer；The water-level gauge W2 and W1 selects DJL-Y25 type contact-free level inductor, and water-level gauge W2 is mounted on tap water In tank main body, the output end of water-level gauge W2 is connect using conducting wire with the control centre in nutrient solution preparing pool.

Nutrient solution preparing pool described in technical solution includes nutrient solution allotment tank main body, No. 3 sensor groups, in control The heart, acid solution tank, alkali liquid tank and concentrated nutrition flow container；The nutrient solution allotment tank main body is that the inside of cuboid is placed nothing Soil cultivation needs the hollow structural component of concentration nutrient solution；No. 3 sensor groups include pH sensor and EC sensor, and pH is passed Sensor selects the compound pH glass electrode of E-201-C type, and selected EC is passed in EC sensor and No. 1 sensor group and No. 2 sensor groups Sensor is identical, selects DSJ-1C type platinum black electrode；No. 3 sensor groups are placed on nutrient solution allotment bottom of pond portion；The acid solution tank, Alkali liquid tank and concentrated nutrition flow container are all cylindrical hollow structural component, built-in for adjusting nutrition in nutrient solution preparing pool respectively HCL, NaOH and concentrated nutrition liquor of liquid pH and EC, tank skin bottom is provided with water outlet；The control centre includes aobvious Show part and control section, control centre is placed on luggage carrier lower layer, and display portion is connected by conducting wire with No. 3 sensor groups Connect, control section is connected by conducting wire with switch valve S2 to switch valve S7, control section by conducting wire and be connected to acid solution tank, Alkali liquid tank is connected with the solenoid valve on concentrated nutrition flow container；The switch valve S1 to switch valve S8 selects DN40 type electric ball Valve.

Compared with prior art the beneficial effects of the utility model are:

1. a kind of water source supply device of rainwater supplying type soilless cultivation described in the utility model is mainly used at collection Rainfall course middle and later periods rainwater is managed, non-Acid Rain Zone middle and later periods rainwater, content of beary metal is few, COD (COD, for characterizing The content of organics of water quality) it is lower, dissolved oxygen is close to saturation, and total hardness is small, and almost without organic pollutant, water quality is preferable, place Reason process is relatively easy, and processing cost is low；

2. using a kind of rainwater treatment of the water source supply device of rainwater supplying type soilless cultivation described in the utility model Chemical agent is not added in the process, only passes through the physical action of free settling and adsorption filtration, reduces processing cost, to plant without soil Training provides good water sources；

3. the model selection that a kind of water source supply device of rainwater supplying type soilless cultivation described in the utility model is added Arbiter can select corresponding tupe by the rainwater EC and turbidity value that sensor group detects, with strong applicability, can Adapt to the rainwater treatment of different regions；

4. clear water reserviors are divided into A, B by a kind of water source supply device of rainwater supplying type soilless cultivation described in the utility model Two Room, the room A is for differentiating whether rainwater treatment is up to standard；The room B saves land occupation, improves space benefit for storing treated rainwater With rate, cost is reduced.

5. a kind of water source supply device of rainwater supplying type soilless cultivation described in the utility model is using two kinds of water sources as nothing The supply water source of native culture apparatus, stability are strong；Multiple switch valve controls respective channel, and corresponding control is closed when breakdown maintenance and is opened Valve is closed, it is convenient for management；Various sensors and water-level gauge real-time monitoring water quality condition, improve the reliability of whole device.

Detailed description of the invention

The utility model will be further described below with reference to the accompanying drawings:

Fig. 1 is that a kind of structural principle of the water source supply device of rainwater supplying type soilless cultivation described in the utility model shows It is intended to；

Fig. 2 is mould employed in a kind of water source supply device of rainwater supplying type soilless cultivation described in the utility model The differentiation flow diagram of formula selection arbiter；

Fig. 3 is suction employed in a kind of water source supply device of rainwater supplying type soilless cultivation described in the utility model The operational process block diagram of attached filtering ponds；

Fig. 4 is battalion employed in a kind of water source supply device of rainwater supplying type soilless cultivation described in the utility model The operational process block diagram of nutrient solution preparing pool；

Fig. 5 is put employed in a kind of water source supply device of rainwater supplying type soilless cultivation described in the utility model Set the goods rack structure schematic diagram of package unit；

In figure: 1. preliminary sedimentation tanks, 2. model selection arbiters, 3. absorption filtering pools, 4. clear water reserviors, 5. nutrient solution preparing pools, 6. originally pond, No. 7.2 sensor groups, No. 8.1 sieves, No. 9.1 sensor groups, 10. filter net type water inlet pipe mouths, the filter of 11. multilayers Material, No. 12.2 sieves, 13. control centres, No. 14.3 sensor groups, 15. acid solution tanks, 16. alkali liquid tanks, 17. concentrated nutrition flow containers, S1-S8 is switch valve, and W1, W2 are water-level gauge.

Specific embodiment

The utility model is explained in detail with reference to the accompanying drawing:

Refering to fig. 1, a kind of water source supply device of rainwater supplying type soilless cultivation includes preliminary sedimentation tank 1, model selection differentiation Device 2, absorption filtering pool 3, clear water reserviors 4, nutrient solution preparing pool 5, originally pond 6.Wherein, preliminary sedimentation tank 1, clear water reserviors 4, nutrient solution tune With pond 5, originally the pond body material selection in pond 6 is light, corrosion-resistant, easy processing, cheap PP material, absorption filtering pool 3 Pond body material selection have the preferable transparency, chemical stability, mechanical property, corrosion-resistant, moisture-proof, good insulation preformance, specific gravity it is small, The organic glass of easy processing.It is connected between each pond body by rubber tubing, the opening and closing of corresponding pipeline is controlled by each switch valve.Each pond One layer of photomask of patch in vitro, top are close to using adhesive tape with each pond body, and lower part need not be then adjacent to, openable lower part shading when needing Film observes water treatment situation.

To reduce land occupation, space utilization rate is improved, package unit is made of upper, middle, and lower part as shown in Fig. 1, puts It sets on the luggage carrier for possessing three sheaf spaces.Wherein preliminary sedimentation tank 1 exists on upper layer, absorption filtering pool 3, clear water reserviors 4 and originally pond 6 Middle layer, nutrient solution preparing pool 5 is then in lower layer.

The preliminary sedimentation tank 1 includes preliminary sedimentation tank main body, 8, No. 1 sensor groups 9 of No. 1 sieve and filter net type water inlet pipe mouth 10,

Selection takes up little area in the preliminary sedimentation tank main body pattern, spoil disposal is convenient, the processing lesser vertical sedimentation basin of water, Barrel lower end for cylindrical shell formula structural member, preliminary sedimentation tank main body is provided with water outlet；Preliminary sedimentation tank 1 is placed on luggage carrier Layer.The great suspended matter in water of segregation ratio is mainly acted on by natural subsidence in preliminary sedimentation tank 1, reduces concentration of suspension；Preliminary sedimentation tank Water outlet flow to absorption filtering pool 3 or clear water reserviors 4.

No. 1 sieve 8 and filter net type water inlet pipe mouth 10 be used to retain the big particle object that is fallen into rainwater accidentally with Floating material, material selection working performance is good, anti-corrosion, the preferable stainless steel wire welded mesh of anti-corrosion performance；Big particle object ruler Very little generally 0.1 or 1mm or more, therefore No. 1 sieve 8 selects the stainless steel mesh of 1.00mm sieve pore, 18 mesh；Filter net type water inlet pipe mouth 10 filter screen selects the stainless steel wire welded mesh of 0.090mm sieve pore, 170 mesh；No. 1 sieve 8 is mounted on close in preliminary sedimentation tank 1 At 1/4 position of pond body top, No. 1 sieve 8 is fixed with preliminary sedimentation tank 1 by pin connection；Filter net type water inlet pipe mouth 10 is mounted on Lead at the entrance of next stage pond body, is to be threadedly coupled with pipeline connection type.No. 1 sieve 8 and filter net type water inlet pipe mouth 10 be stainless steel standard component, meets GB6003.1-1997 standard, the two be it is detachable, when work, is mounted on preliminary sedimentation tank 1 In, it is disassembled when needing to clean.

No. 1 sensor group 9 is made of EC sensor with turbidity transducer, the water for rainwater after detection processing Matter.EC sensor selects DSJ-1C type platinum black electrode, and it is existing that polarization when measuring in higher conductance solution can be effectively prevented in it As being widely used in measuring liquid electric conductivity, being suitable for pure water, high electro conductivity medium solution (such as acid, alkali, industrial wastewater, sea Water etc.) and the conductivity such as conventional water body precise measurement.Its working principle is the conductance electricity when conductivity changes in water The resistance value of pole will change, and electrode output voltage is then caused to change, and can be obtained according to output voltage signal Know EC situation in water.

The turbidity transducer selects Arduino water turbidity sensor, it is used for the dirty degree such as river, sewage Measurement, be also used for clarifying basin detection and water quality research etc..Its working principle is using optical principle, by measuring solution In light transmittance and scattered power, export corresponding with turbidity voltage value, according to voltage signal, reach the mesh for detecting water turbidity 's.EC sensor is connected by conducting wire with model selection arbiter 2 with turbidity transducer, and No. 1 sensor group 9 is placed on preliminary sedimentation tank 1 leads near the nozzle of next stage pond body, the EC and turbidity value for rainwater after detection processing.

The model selection arbiter 2 is a discriminating gear, can be examined according to No. 1 sensor group 9 to connect therewith The EC and turbidity value of survey will test value and shown by display screen, and the flow direction that selection preliminary sedimentation tank 1 is discharged accordingly, water quality reaching standard Clear water reserviors 4 are then directly discharged into, absorption filtering pool 3 is otherwise discharged into and is handled.

The absorption filtering pool 3 includes adsorption filtration tank main body, multilayer filtrate 11 and No. 2 sieve 12；

The adsorption filtration tank main body is the case type structural member of the vertical rectangular bodily form, absorbs and filter the top of tank main body It is provided with intake-outlet, the upper end of the pool wall of tank main body and bottom end is absorbed and filter and is respectively arranged with 1 intake-outlet；Adsorption filtration Pond 3 is placed on luggage carrier middle layer, and water outlet is discharged into clear water reserviors 4.

The physical action of main absorption and the filtering using multilayer filtrate 11 of the absorption filtering pool 3 to rainwater at Reason can remove deliquescent organic substance in water removal, furthermore can also remove microorganism, virus and micro heavy, remove rainwater Coloration, turbidity etc.；Multilayer filtrate 11 selects the filtrates such as granular activated carbon, quartz sand, haydite, the queueing discipline of filter material layer are as follows: It is arranged successively by partial size and density, relative density is smaller, the biggish filter material layer of partial size is upper, and relative density is larger, partial size is smaller Filter material layer under.When operation, rainwater first passes through coarse grain diameter filter material layer, can increase filter by fine grain filter material layer again later Bed of material retaining power extends filter cycle.

No. 2 sieves 12 are stainless steel wire welded mesh, are standard component, meet GB6003.1-1997 standard.Sieve pore Size makes the filtrate of minimum grain size can not be by depending on lowest level particle diameter of filter medium, and sieve plays supporting role to filtrate, The loss of filtrate can also be reduced.No. 2 sieves 12 are designed as detachable, are mounted on adsorption filtration tank main body by pin connection Filter material layer is placed by the placement rule of multilayer filtrate 11 thereon in 3 middle and lower part of absorption filtering pool.

The clear water reserviors 4 include clear water tank main body, No. 2 sensor groups 7, water-level gauge W1 and switch valve S5,

The clear water tank main body is the hollow structural component of two layer of space formula cuboid, is placed on luggage carrier middle layer.Clearly Space is divided into the room A and the room B two parts in the pond in pond 4, and the room A is to differentiate room, and the room B is reservoir chamber, and two Room spaces have by center The partition in hole separates, and controls circulation of the rainwater from the room A to the room B by switch valve S5.The water outlet of clear water reserviors 4 is discharged into nutrient solution preparing pool In 5.

It is passed configured with 7, No. 2 sensor groups 7 of No. 2 sensor groups by EC sensor and turbidity in the room A of the clear water reserviors 4 Sensor composition, sensor model number is identical as sensor selected by No. 1 sensor group 9, and No. 2 sensor groups 7 are placed on partition, is used for Detect the EC and turbidity value of rainwater in the room A.Whether the EC and turbidity value that the room A is measured according to No. 2 sensor groups 7 differentiate Rainwater Quality It is up to standard, it is up to standard, valve S5 is turned on the switch, rainwater is discharged into the room B, is otherwise discharged into absorption filtering pool 3 and is reprocessed.The temporary place in the room B Rainwater after reason is connected with nutrient solution preparing pool 5 by pipeline, is it for water-supply source, the water-level gauge W1 of the room B configuration is for examining Water level is surveyed, and realizes low water level warning function.

The nutrient solution preparing pool 5 includes that nutrient solution deploys tank main body, No. 3 sensor groups 14, control centre 13, acid solution Tank 15, alkali liquid tank 16 and concentrated nutrition flow container 17 and solenoid valve.

The nutrient solution allotment tank main body is the hollow structure body part of cuboid, is placed on luggage carrier lower layer.Nutrition The nutrient solution for the required concentration for needing to prepare according to soilless cultivation is placed in liquid allotment tank main body, water outlet can be delivered to nothing by pump Native culture apparatus provides nutrition and moisture for plant.The water source of nutrient solution preparing pool 5 is supplied by clear water reserviors 4 and originally pond 6, The rainwater stored in clear water reserviors 4 is preferentially used when operation, residue water needed for nutrient solution preparing pool 5 is supplied by originally pond when insufficient It answers.

No. 3 sensor groups 14 include pH sensor and EC sensor, are changed for real-time monitoring nutrient solution prescription； PH sensor selects the compound pH glass electrode of E-201-C type, its measurement accuracy and stability with higher are widely used In the every field that need to detect pH.Its working principle is to pass through making of measuring electrode using the pH of potentiometry measurement solution Can switch to electric energy, output voltage values, this value and the H in surveyed solution⁺Concentration is related, can then obtain solution ph.EC is passed Sensor is identical as selected EC sensor in No. 1 sensor group 9 and No. 2 sensor groups 7, selects DSJ-1C type platinum black electrode；No. 3 biographies Sensor group 14 is placed on 5 bottom of nutrient solution preparing pool.

The control centre 13 is small cuboid shape structural body, including display portion and control section, is placed on load Rack lower layer.Control centre 13 is connected by conducting wire with No. 3 sensor groups 14, and display portion can show No. 3 by display screen The nutrient solution pH and EC value that sensor group 14 measures export control signal for control section and provide foundation.

The control section of the control centre 13 passes through conducting wire and switch valve S2-switch valve S7 and control acid solution tank 15, alkali liquid tank 16 is connected with the solenoid valve that liquid in concentrated nutrition flow container 17 flows out.Control section passes through PLC (programmable logic Controller) in store control instruction output control signal can control switch valve S2-switch valve S7 opening and closing and acid solution tank 15, the outflow of the pot liquids such as alkali liquid tank 16 and concentrated nutrition flow container 17.Control section passes through the detection of No. 3 sensor groups 14 Value, can control the opening and closing of coupled solenoid valve and switch valve, and acid solution, lye, concentration are injected into nutrient solution preparing pool 5 Nutrient solution and water etc. are realized to the auto-control of nutrient solution pH and EC in pond, pH and the EC value of nutrient solution are made to be maintained at control model In enclosing.

Acid solution tank 15, alkali liquid tank 16 and the concentrated nutrition flow container 17 is all cylindrical hollow structure body, in difference Fill HCL, NaOH and concentrated nutrition liquor for adjusting nutrient solution pH and EC in nutrient solution preparing pool 5, the setting of tank skin bottom Have water outlet, the rubber tubing for connecting with solenoid valve one end is connected, the outflow of pot liquid by connected solenoid valve control, When pH in nutrient solution preparing pool 5 or EC changes, control centre 13 injects corresponding liquid into pond by the opening and closing of control solenoid valve Body automatically adjusts change of component in pond.

The solenoid valve selects JYZ-3E type 2/2-way normally closed type battery valve, operating temperature be adapted to low temperature, Room temperature, high temperature, disengaging and exhaust suitable for water, steam and air etc..Thread forms are connected with pipeline within solenoid valve both ends, It is connect by conducting wire with control centre 13, the control signal of the output of control centre 13 can be received, it is real by the opening and closing of solenoid valve The outflow of liquid controls in existing acid solution tank 15, alkali liquid tank 16 and concentrated nutrition flow container 17.

The originally pond 6 includes originally sink body, water-level gauge W2, and originally sink body is the hollow of cuboid Structural member is placed on luggage carrier middle layer.Originally water-level gauge W2 built in pond 6, the built-in tap water in pond, with 5 phase of nutrient solution preparing pool Logical, water supply when for rainwater deficiency, water-level gauge W2 is monitored for pool inner water position, early warning when low water level, prompting work people Member's supplement tap water.The originally water outlet of pond 6 flows to nutrient solution preparing pool 5.

Switch valve S1-switch valve the S8 selects DN40 type electrical ball valve, and valve body is cast using brass material, Pressure resistance is wear-resistant, and use is safe；Valve actuator, which is switched, with valve body is separated, it can be achieved that quick assembly and disassembly, driving method are Electric drive, it is convenient and efficient.Switch valve valve ball material is stainless steel, suitable for cold water, the water inlet of hot water, draining.Switch valve with The connection type of pipeline is to be threadedly coupled, and driver is connected by conducting wire with control centre 13, is controlled accordingly by control centre 13 The opening and closing in channel.Wherein S1 is to manually control, and S2-S8 is Electronic control, and solenoid valve is realized corresponding according to the control signal received The opening and closing in channel.

Switch valve S1-S8 original state is all in off state, and switch valve S1 is located at after preliminary sedimentation tank 1, rain in pond It is manually opened after water preliminary sedimentation 2~3 days；Switch valve S2 is between model selection arbiter 2 and absorption filtering pool 3, No. 1 sensor It opens when the EC of rainwater is not up to standard with turbidity value after 9 surveyed preliminary sedimentations of group, otherwise closes；Switch valve S3 is located at model selection arbiter Between 2 and clear water reserviors 4, opens when the EC of rainwater is up to standard with turbidity value after No. 1 the surveyed preliminary sedimentation of sensor group 9, otherwise close；Switch Valve S4 is between absorption filtering pool 3 and clear water reserviors 4, and after rainwater treatment, S4 is opened, and otherwise closes；Switch valve S5 is located at clear water Between the room A and the room B in pond 4, opens when the EC of rainwater is up to standard with turbidity value after the 7 survey processing of No. 2 sensor groups, otherwise close； The EC of rainwater and turbidity value be not between absorption filtering pool 3 and clear water reserviors 4, after the 7 surveys processing of No. 2 sensor groups by switch valve S6 It opens when up to standard, otherwise closes；Switch valve S7 is between clear water reserviors 4 and nutrient solution preparing pool 5, battalion in nutrient solution preparing pool 5 Unlatching when needing water that nutrient solution EC value is excessively high, is otherwise closed；Switch valve S8 is located at nutrition originally between pond 6 and nutrient solution preparing pool 5 Unlatching when needing water shortage in water and clear water reserviors 4 that nutrient solution EC value is excessively high in liquid preparing pool 5, is otherwise closed.

The water-level gauge W1 and W2, selects DJL-Y25 type contact-free level inductor, and inductor probe is installed on The upper and lower of tested container outer wall, corresponding to the high position and low level of liquid level, simple to install is, it can be achieved that in high-pressure closed vessel The detection of the liquid level of various noxious materials, strong acid, highly basic and various liquid is not influenced by scale or other sundries etc..Liquid level For inductor to the material of liquid medium and container without particular/special requirement, the way of output is voltage, is suitble to the various circuits of connection and product, Application field is extensive.Its working principle is that: inductor is detected whether using the inductance capacitance of water with the presence of liquid, in no liquid When body is close to inductor, due to the presence of distribution capacity on inductor, there is certain direct capacitance over the ground, when liquid level slowly rises When height is close to inductor, the parasitic capacitance of liquid be will be coupled into this direct capacitance, and the final capacitance of inductor is made to become larger, The capacitance signal of the variation is input to control circuit again and carries out signal conversion, and the capacitance of variation is converted into certain electric signal Variable quantity output.Water-level gauge is connected by conducting wire with control centre 13, the water level value of place pond body is fed back to it, and in low water Warning function is realized when position.Water-level gauge W1 is located in the room B of clear water reserviors 4, and W2 is located in originally pond 6, and water-level gauge is in always Working condition, the water level value of pond body where being fed back to control centre 13, and realize low level early warning.

A kind of working principle of the water source supply device of rainwater supplying type soilless cultivation:

When the water source supply device operation of the rainwater supplying type soilless cultivation, collected rainfall course middle and later periods rain Water initially enters preliminary sedimentation tank 1, and No. 1 sieve 8 can retain the impurity that size is greater than sieve pore in preliminary sedimentation tank 1, rainwater preliminary sedimentation 2~3 days, leads to Cross the great suspended matter in water of free settling segregation ratio, lead to next stage filter net type water inlet pipe mouth 10 can also play retention it is miscellaneous The effect of matter carries out real-time monitoring to Rainwater Quality by No. 1 sensor group 9 that EC and turbidity transducer form in pond, and passes through Model selection arbiter 2 is shown；

After preliminary sedimentation, valve S1 is turned on the switch manually, and model selection arbiter 2 differentiates pre- according to the EC and turbidity value measured The next step whereabouts that heavy pond 1 is discharged.According to related data, soilless culture nutrient fluid is to source quality requirement are as follows: and EC:0.2~ 0.4ms/cm or less；Ss suspended solid≤10mg/L.For a certain specific water source, concentration of suspension SS and turbidity have directly Relationship, therefore can according to turbidity value reflect concentration of suspension SS；If index exceeds the permissible value upper limit, valve S2 is turned on the switch, Valve S3 is turned off the switch, rainwater is discharged into absorption filtering pool 3 and is handled, and otherwise turns on the switch valve S3, turns off the switch valve S2, directly arranges Enter the room A of clear water reserviors 4, differentiates process refering to attached drawing 2 in detail；Flow into absorption filtering pool 3 water by multilayer filtrate absorption with After filtration, EC can be substantially reduced with turbidity value, then turn on the switch valve S4, the A of treated rainwater is discharged into clear water reserviors 4 Room；Whether No. 2 sensor groups 7 of the room A reduce according to the EC and turbidity value judge index that measure in clear water reserviors 4, if judging again Whether rainwater treatment is up to standard, if then turning on the switch valve S5, is discharged into the room B, if it does not meet the standards, then turns off the switch valve S5, turns on the switch Valve S6 is discharged into absorption filtering pool 3, continues to absorb and filter, and is further continued for being discharged into the room A of clear water reserviors 4 after processing, continues to differentiate； If EC and turbidity value that No. 2 sensor groups 7 measure are not reduced, need to carry out more the multilayer filtrate 11 in absorption filtering pool 3 It changes or cleans, differentiate process refering to attached drawing 3 in detail.The room B is furnished with water-level gauge W1 in clear water reserviors 4, can carry out real-time monitoring to water level； The nutrient solution for the required concentration for needing to prepare according to cultivation is stored in nutrient solution preparing pool 5, it is built-in by pH, EC sensor group At No. 3 sensor groups 14, changed according to the nutrient solution index that measures, controlled by control centre 13 and be connected with it by conducting wire The pot liquids outflows such as switch valve S7, the switch valve S8 and control acid solution tank 15, alkali liquid tank 16 and concentrated nutrition flow container 17 that connect Solenoid valve, pH and EC by adjusting nutrient solution in nutrient solution preparing pool 5 carry out auto-control to its component.According to related data, Requirement of the soilless cultivation to nutrient solution pH and EC is general are as follows: pH:5.5~6.5；EC:2.0~3.0ms/cm.Nutrient solution preparing pool 5 Interior EC value is excessively high to be needed first to turn on the switch valve S7 when water, is supplied by rainwater in clear water reserviors 4, is fed when insufficient by originally pond 6, The detailed operational process of nutrient solution preparing pool 5 is refering to attached drawing 4；The water outlet of nutrient solution preparing pool 5 is promoted to cultivation apparatus without soil through pump, Nutrition and water needed for plant is provided；Originally pond 6 is provided with tap water, needs to turn on the switch valve S8 when water, and water outlet is by self weight It flows into nutrient solution preparing pool 5, supply when for rainwater deficiency, the water-level gauge W2 of configuration supervises pool inner water position in real time It surveys, and realizes low water level early warning.

Claims (6)

1. a kind of water source supply device of rainwater supplying type soilless cultivation, which is characterized in that a kind of rainwater supplying type without Soil cultivation water source supply device include preliminary sedimentation tank (1), model selection arbiter (2), absorption filtering pool (3), clear water reserviors (4), Nutrient solution preparing pool (5), originally pond (6) and luggage carrier；

The preliminary sedimentation tank (1) is mounted on the upper layer of luggage carrier, and absorption filtering pool (3) is mounted on the middle layer of luggage carrier, is located at pre- The lower right of heavy pond (1), clear water reserviors (4) are mounted on the right side of absorption filtering pool (3), and preliminary sedimentation tank (1) passes through switch valve S1, mode Selection arbiter (2) is connect with switch valve S2 and absorption filtering pool (3) using pipeline, and the right end of model selection arbiter (2) is logical It crosses pipeline between switch valve S3 and the room A of clear water reserviors (4) to connect, the upper end of absorption filtering pool (3) passes through switch valve S6 and clear water The room the A pipeline in pond (4) connects, and the lower end of absorption filtering pool (3) is connect by switch valve S4 with the room the A pipeline of clear water reserviors (4)；From Come the right side that pond (6) is mounted on clear water reserviors (4), nutrient solution preparing pool (5) is mounted on the bottom of luggage carrier, and is located at clear water reserviors (4) with the lower section of originally pond (6), the room B of clear water reserviors (4) passes through switch valve S7 and nutrient solution preparing pool (5) piping connection, battalion Nutrient solution preparing pool (5) is connect by switch valve S8 with originally pond (6) pipeline.

2. a kind of water source supply device of rainwater supplying type soilless cultivation described in accordance with the claim 1, which is characterized in that described Preliminary sedimentation tank (1) include preliminary sedimentation tank main body, No. 1 sieve (8), No. 1 sensor group (9) and filter net type water inlet pipe mouth (10)；

The preliminary sedimentation tank main body is cylindrical shell formula structural member, and the barrel lower end of preliminary sedimentation tank main body is provided with water outlet；

No. 1 sensor group (9) includes pH sensor and EC sensor, and pH sensor selects answering for model E-201-C PH glass electrode is closed, EC sensor selects the platinum black electrode of model DSJ-1C；

No. 1 sieve (8) selects the stainless steel wire welded mesh of 1.00mm sieve pore or 18 mesh；

The strainer of the filter net type water inlet pipe mouth (10) selects the stainless steel wire welded mesh of 0.090mm sieve pore or 170 mesh；

No. 1 sieve (8) be mounted on preliminary sedimentation tank body interior away from 1/4 position of top at, filter net type water inlet pipe mouth (10) is mounted on The inboard of the water outlet of preliminary sedimentation tank main body, No. 1 sensor group (9) are mounted on the bottom end in preliminary sedimentation tank main body, No. 1 sensor group (9) it is connected using conducting wire with model selection arbiter (2).

3. a kind of water source supply device of rainwater supplying type soilless cultivation described in accordance with the claim 1, which is characterized in that described Absorption filtering pool (3) include adsorption filtration tank main body, multilayer filtrate (11) and No. 2 sieves (12)；

The adsorption filtration tank main body is the case type structural member of the vertical rectangular bodily form, absorbs and filter the top setting of tank main body There is intake-outlet, absorbs and filter the upper end of the pool wall of tank main body and bottom end and be respectively arranged with 1 intake-outlet；

The multilayer filtrate (11) selects granular activated carbon, quartz sand, haydite, is arranged successively by partial size and density, relatively close It is disposed above to spend filter material layer small, that partial size is big, filter material layer relatively denser, that partial size is small is arranged below；

The screen size of No. 2 sieves (12) is less than the minimum grain size of lower layer's filtrate；

No. 2 sieves (12) are mounted on the middle and lower part of adsorption filtration tank main body, thereon by the small particle diameter of filter medium that arrives of particle diameter of filter medium greatly under Filter material layer is arranged to Shangdi.

4. a kind of water source supply device of rainwater supplying type soilless cultivation described in accordance with the claim 1, which is characterized in that described Clear water reserviors (4) include clear water tank main body, switch valve S5, No. 2 sensor groups (7) and water-level gauge W1；

The water-level gauge W1 is identical as the water-level gauge W2 model in originally pond (6)；

No. 2 sensor groups (7) are identical with selected sensor model number in No. 1 sensor group (9) in preliminary sedimentation tank (1)；

The clear water tank main body is the hollow structural component of two layer of space formula cuboid, and clear water tank main body is using intermediate bulkhead point For the room A on upper layer and the room B of lower layer, the room A is to differentiate room, and the room B is reservoir chamber, on the roof of clear water tank main body, side wall and bottom plate 1,2 and 1 through-hole is respectively set, clear water tank main body is placed on the middle layer of luggage carrier；No. 2 sensor groups (7) are mounted on On the indoor partition of the A of clear water tank main body, water-level gauge W1 is mounted in the room B of clear water tank main body, and switch valve S5 is mounted on centre On partition, the control in conducting wire and nutrient solution preparing pool (5) is respectively adopted in No. 2 sensor groups (7), water-level gauge W1 and switch valve S5 Center (13) connection.

5. a kind of water source supply device of rainwater supplying type soilless cultivation described in accordance with the claim 1, which is characterized in that described Originally pond (6) include originally sink body, water-level gauge W2；

The originally sink body is the hollow structural component of cuboid, and 1 is originally provided on the side wall of sink body and is led to Hole, originally pond (6) are placed on luggage carrier middle layer；

The water-level gauge W2 and W1 selects DJL-Y25 type contact-free level inductor, and water-level gauge W2 is mounted on originally pond In main body, the output end of water-level gauge W2 is connect using conducting wire with the control centre (13) in nutrient solution preparing pool (5).

6. a kind of water source supply device of rainwater supplying type soilless cultivation described in accordance with the claim 1, which is characterized in that described Nutrient solution preparing pool (5) include nutrient solution allotment tank main body, No. 3 sensor groups (14), control centre (13), acid solution tank (15), alkali liquid tank (16) and concentrated nutrition flow container (17)；

The nutrient solution allotment tank main body is placed soilless cultivation for the inside of cuboid and needs the hollow of concentration nutrient solution Structural member is provided with and acid solution tank (15), alkali liquid tank (16) and concentrated nutrition flow container (17) at the top of nutrient solution allotment tank main body 3 through-holes of connection；

No. 3 sensor groups (14) include pH sensor and EC sensor, and pH sensor selects the compound pH glass of E-201-C type Glass electrode, EC sensor is identical as selected EC sensor in No. 1 sensor group (9) and No. 2 sensor groups (7), selects DSJ-1C Type platinum black electrode；No. 3 sensor groups (14) are placed on nutrient solution preparing pool (5) bottom；

The acid solution tank (15), alkali liquid tank (16) and concentrated nutrition flow container (17) are all cylindrical hollow structural component, respectively Built-in HCL, NaOH and concentrated nutrition liquor for being used to adjust the interior nutrient solution pH and EC of nutrient solution preparing pool (5), tank skin bottom It is provided with water outlet；

The control centre (13) includes display portion and control section, and control centre (13) is placed on luggage carrier lower layer, is shown Show that part is connected by conducting wire with No. 3 sensor groups (14), control section passes through conducting wire and switch valve S2 to switch valve S7 phase Connection, control section is by conducting wire and is connected to acid solution tank (15), alkali liquid tank (16) and the electromagnetism on concentrated nutrition flow container (17) Valve is connected；

The switch valve S1 to switch valve S8 selects DN40 type electrical ball valve.