CN102771365A - Soilless culture device with water level controller - Google Patents
Soilless culture device with water level controller Download PDFInfo
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- CN102771365A CN102771365A CN2011101177908A CN201110117790A CN102771365A CN 102771365 A CN102771365 A CN 102771365A CN 2011101177908 A CN2011101177908 A CN 2011101177908A CN 201110117790 A CN201110117790 A CN 201110117790A CN 102771365 A CN102771365 A CN 102771365A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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Abstract
The invention discloses a soilless culture device with a water level controller. The soilless culture device comprises a container, a liquid storage pool, a floating plate and an illuminator, wherein the container is used for containing nutrition solution and is communicated with the liquid storage pool, the floating plate is provided with through holes and is placed into the container containing the nutrition solution, the illuminator is arranged above the container, the soilless culture device also comprises the water level controller used for controlling a water pump for pumping nutrition solution from the liquid storage pool into the container, and the water level controller comprises a power supply circuit and a control circuit connected with the power supply circuit. The device realizes the automatic water pumping when the water level is lower than a certain height of the container, the automatic water pumping stops when the water level is higher than a certain height of the container, and the automatic control of the water level is realized.
Description
Technical field
The device that uses when the present invention relates to a kind of cultivated plant relates in particular to a kind of cultivation apparatus without soil with water level controller.
Background technology
Soilless culture is meant without natural soils, with culture fluid or nutrient solution and substrate culture crop.Soilless culture is under manpower control; Fully satisfying the requirement of crop to nutrition, moisture, gas condition, is the intensive modern agriculture mode of production of a kind of technology, and it is fertile to have a water saving, energy-conservation, saving of labor, province; Alleviated in the production process pollution to soil; Prevent continuous cropping obstacle, the product cleaning is pollution-free, the advantage of high-yield and high-efficiency.
At present, cultivation technique without soil is also more and more ripe, but still is faced with many problems; Problem of water level control like nutrient solution or culture fluid; Because nutrient solution or cultivation liquid measure are the basic guarantees of crop normal growth under the crop matrix,, then can monitor control and make troubles plant growth if can not monitor the nutrient solution consumption situation of each raise crop in real time; Cause raise crop nutrition unbalanced, even part is dead.The matrix of using when cultivating in addition adopts stocks such as the peat composed of rotten mosses, perlite more, or simply mixes with the materials such as rice husk of vermiculite, breeze, fermentation carbonization, though the water absorbing force of these matrix is stronger, can not reuse, and availability is low.
Summary of the invention
The purpose of this invention is to provide a kind of cultivation apparatus without soil with water level controller.
For achieving the above object, the present invention adopts following technical scheme:
A kind of cultivation apparatus without soil with water level controller; Comprise the container, liquid storage tank, kickboard and the lighting device that fill nutrient solution; Said container is communicated with liquid storage tank, and said kickboard is provided with through hole and is placed in the container that fills nutrient solution, and said lighting device is arranged on the top of said container; The control of pump that also comprises said cultivation apparatus without soil extracts the water level controller in nutrient solution to the said container from liquid storage tank; Said water level controller comprises power circuit, the control circuit that links to each other with said power circuit, wherein:
Said power circuit comprises transformer that is connected in power supply and the rectification circuit that is connected in said transformer secondary winding;
Said control circuit comprises the relay of the power supply of control of pump, controls the NE555 chip of said relay, and that link to each other, that be positioned at said container high water level with said NE555 chip is surveyed line, mid water levels is surveyed line, low water level detection line;
The output of said rectification circuit is surveyed line and is linked to each other with said high water level detection line, mid water levels detection line, low water level through first variable resistance, the second adjustable resistance, the 3rd variable resistance respectively; Said output also links to each other with the 8th pin with the 4th pin of said NE555 chip; The 1st pin ground connection of said NE555 chip; The 3rd pin of said NE555 chip connects light emitting diode and ground connection, and said relay is connected a winding side of said transformer.
Further, said water level controller also comprises holding circuit, and said holding circuit comprises electrothermal relay that is connected in series and the A.C. contactor that is connected a winding side of said transformer, by the power supply of said A.C. contactor control of pump.
Further, the output of said rectification circuit is also through first capacity earth.
Further, the 5th pin of said NE555 chip is through second capacity earth.
Further, the 6th pin of said NE555 chip is through first resistance eutral grounding; The 2nd pin of said NE555 chip is through second resistance eutral grounding.
Further, also be in series with diode and the 3rd resistance between the 3rd pin of said NE555 chip and the light emitting diode.
Further, said relay is also connected with contactor.
Further, said high water level detection line, mid water levels are surveyed line, low water level detection line is the rubber aluminum steel.
Cultivation apparatus without soil with water level controller provided by the invention, because the matrix rod in the floating plate is enclosed with hydrophilic layer, the capillary effect through hydrophilic layer is drawn onto nutrient solution on the matrix rod, makes seed germinating growth in the nutrient solution that soaks into; Owing to be provided with water level controller, this water level controller can be controlled the SEA LEVEL VARIATION of nutrient solution exactly again, guarantees the nutritional need of crop, also can not cause simultaneously because the waste of the excessive supply of nutrient solution.For the good growth of crop provides reliable guarantee.The circuit that apparatus of the present invention also have water level controller is simple, and the structure of its device itself is also very simple, has therefore greatly reduced production cost of products, and is with a wide range of applications.
Below in conjunction with accompanying drawing the present invention is elaborated.
Description of drawings
Fig. 1 is the structural representation of a preferred embodiment of cultivation apparatus without soil of the present invention;
Fig. 2 is the circuit diagram of cultivation apparatus without soil middle water level controller of the present invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Cultivation apparatus without soil with water level controller as shown in Figure 1, that the present invention proposes comprises the container 5, liquid storage tank 10, kickboard 1 and the lighting device 2 that fill nutrient solution 4; Said container 5 is communicated with liquid storage tank 10; Said kickboard 1 is provided with the through hole (not shown) and is placed in the container 5 that fills nutrient solution, and said lighting device 2 is arranged on the top of said container 5, and said container 5 is installed in the greenhouse; The control of pump 9 that is arranged on the container 5 that also comprises this cultivation apparatus without soil extracts the water level controller 8 in nutrient solution 4 to the container 5 from liquid storage tank 10; This water level controller 8 comprises power circuit, the control circuit that links to each other with power circuit, wherein:
Power circuit comprises transformer that is connected in power supply and the rectification circuit that is connected in the transformer secondary winding; Control circuit comprises the relay J 1 of the power supply of control of pump, and the NE555 chip of control relay, the high water level that links to each other with the NE555 chip, be positioned at container 5 are surveyed line A, mid water levels is surveyed line B, low water level detection line C; The output of rectification circuit is surveyed line C and is linked to each other with high water level detection line A, mid water levels detection line B, low water level through the first variable resistance RW1, the second adjustable resistance RW2, the 3rd variable resistance RW3 respectively; Output also links to each other with the 8th pin with the 4th pin of NE555 chip; The 1st pin ground connection of NE555 chip; The 3rd pin of NE555 chip connects light emitting diode and ground connection, and relay J 1 is connected a winding side of transformer.
Cultivation apparatus without soil with water level controller provided by the invention, when water level is lower than low water level detection line, NE555 chip output high level; The relay adhesive starts irrigation rig, when water level is between high water level detection line and the mid water levels detection line; The NE555 chip keeps original state, and relay is in attracting state, and irrigation rig keeps duty; When water level is higher than high water level detection line, NE555 chip output low level, relay breaks off; Irrigation rig quits work; Make like this water levels in the container 5 remain at low water level survey line height or more than, be not higher than the height that high water level is surveyed line simultaneously, thereby realize the automatic control of water level.
As shown in Figure 2, in order to protect water pump 9, water level controller also comprises holding circuit, and holding circuit comprises electrothermal relay that is connected in series and the A.C. contactor that is connected a winding side of transformer, by the power supply of A.C. contactor control of pump.After relay J 1 adhesive, electrothermal relay J energising, electric current makes coil heating, sheet metal generation deformation adhesive.A.C. contactor C is energising thereupon also, produces electromagnetic force, and electromagnetic force overcomes the reaction force of spring armature is inhaled to fixed core; The drive main contacts is closed, and this moment, circuit was connected, and drives water pump and rotates; In case power is greater than rated power, the relay J coil heating is when making sheet metal be deflected into certain degree; Sheet metal automatically springs open, and circuit breaks off.Contactor C electromagnetic force disappears thereupon, gets an electric shock and breaks off.Play the effect of protection water pump.
For the sake of security, the output of rectification circuit is also through the first electric capacity U1 ground connection, and the 5th pin of NE555 chip is through the second electric capacity U2 ground connection, and the 6th pin of said NE555 chip is through first resistance R, 1 ground connection; The 2nd pin of said NE555 chip is through second resistance R, 2 ground connection.
Preferably also be in series with diode D5 and the 3rd resistance R 3 between the 3rd pin of NE555 chip and the light emitting diode D6.
Relay J 1 is preferably also connected with contactor C.
High water level detection line A, mid water levels are surveyed line B, low water level is surveyed line C and is preferably the rubber aluminum steel.
As shown in Figure 2; Rectification circuit is parallelly connected with electric capacity U1; The output of rectification circuit surveys an end of line through adjustable resistance RW1 with high water level and the 6th pin of NE555 chip links to each other; Also survey an end of line and the 2nd pin of NE555 chip links to each other, and link to each other with the end that low water level is surveyed line through variable resistance RW3 through adjustable resistance RW2 and mid water levels, and the 4th the linking to each other with the 8th pin of direct and NE555 chip; The 1st pin of NE555 chip, the 5th pin is through electric capacity U2, and the output signal of the 3rd pin is in order to the duty of control relay J1; High water level is surveyed line, and the other end that mid water levels is surveyed line and low water level detection line is in respectively on a certain height of container 5.
The 6th pin of NE555 chip links to each other with the output of rectification circuit through resistance R 1; The 2nd pin of NE555 chip links to each other with the output of rectification circuit through resistance R 2.
The 3rd pin of NE555 chip links to each other with the input of rectification circuit through diode D6, and links to each other with the input of rectification circuit through diode D5 and with light emitting diode D6, the resistance R 3 of this diode D5 serial connection.
Rectification circuit is that the NE555 chip was started working after circuit provided stable DC voltage.As rapier A, the B of the water-level detecting line of container 5, when C is lower than waterline, be high potential.Regulate RW1-RW3, the current potential maximum that A point and B are ordered approaches 2/3Vet and 1/3Vcc.During waterline in B, C are higher than container 5; Promptly be lower than the reverse threshold voltage V-of NE555 chip, NE555 chip the 2nd pin be " " current potential, make NE555 chip generation set; The high level of the 3rd pin output makes light emitting diode work and makes relay J 1 adhesive; Contactor C adhesive, thus irrigation rig draws water because of getting electric the running; When water level rises to rapier B point, and when not arriving the A point, their partial pressure value is between 1/3Vet and 2/3Vcc, and state is constant.When water level continued to rise to the A point, A point current potential had surpassed forward threshold voltage V+ near supply voltage, corresponding NE555 chip reset, and the low level of output discharges J1, and contactor C discharges, irrigation rig outage stall, thus water level is realized control automatically.
Wherein, relay J 1 can cooperate the duty of controlling irrigation rig with contactor C.
Relay J 1 also cooperates the duty of controlling irrigation rig with electrothermal relay J.After relay J 1 adhesive, electrothermal relay J energising, and by the electric current generation heat that flows into thermal element; Make the bimetal leaf generation deformation of the different coefficients of expansion, when deformation reaches certain distance, just promote the connecting rod action; Control circuit is broken off; Thereby make contactor C dead electricity, main circuit breaks off, and realizes the overload protection of circuit.
After relay J 1 adhesive, electrothermal relay J energising, electric current makes the coil heating of electrothermal relay, sheet metal generation deformation adhesive.The A.C. contactor C that is connected with electrothermal relay is energising thereupon also, produces electromagnetic force, and electromagnetic force overcomes the reaction force of spring armature is inhaled to fixed core; The drive main contacts is closed, and this moment, circuit was connected, and drove irrigation rig work; In case power is greater than rated power, electrothermal relay J coil heating makes the bimetal leaf generation deformation of the inner different coefficients of expansion of electrothermal relay; When deformation reaches certain distance, just promote the connecting rod action, control circuit is broken off; Contactor C electromagnetic force disappears thereupon, gets an electric shock and breaks off.Play the protection irrigation rig.
Survey line for high water level, mid water levels is surveyed line, and low water level is surveyed line and can be made with the rubber aluminum steel, also can utilize other material that is fit to processing.
The above is merely preferred embodiment of the present invention, is not to be used for limiting practical range of the present invention; If do not break away from the spirit and scope of the present invention, the present invention is made amendment or is equal to replacement, all should be encompassed in the middle of the protection domain of claim of the present invention.
Claims (8)
1. cultivation apparatus without soil with water level controller; Comprise the container, liquid storage tank, kickboard and the lighting device that fill nutrient solution, said container is communicated with liquid storage tank, and said kickboard is provided with through hole and is placed in the container that fills nutrient solution; Said lighting device is arranged on the top of said container; It is characterized in that said cultivation apparatus without soil comprises that also control of pump extracts the water level controller in nutrient solution to the said container from liquid storage tank, said water level controller comprises power circuit; The control circuit that links to each other with said power circuit, wherein:
Said power circuit comprises transformer that is connected in power supply and the rectification circuit that is connected in said transformer secondary winding;
Said control circuit comprises the relay of the power supply of control of pump, controls the NE555 chip of said relay, and that link to each other, that be positioned at said container high water level with said NE555 chip is surveyed line, mid water levels is surveyed line, low water level detection line;
The output of said rectification circuit is surveyed line and is linked to each other with said high water level detection line, mid water levels detection line, low water level through first variable resistance, the second adjustable resistance, the 3rd variable resistance respectively; Said output also links to each other with the 8th pin with the 4th pin of said NE555 chip; The 1st pin ground connection of said NE555 chip; The 3rd pin of said NE555 chip connects light emitting diode and ground connection, and said relay is connected a winding side of said transformer.
2. cultivation apparatus without soil according to claim 1; It is characterized in that; Said water level controller also comprises holding circuit; Said holding circuit comprises electrothermal relay that is connected in series and the A.C. contactor that is connected a winding side of said transformer, by the power supply of said A.C. contactor control of pump.
3. cultivation apparatus without soil according to claim 1 is characterized in that, the output of said rectification circuit is also through first capacity earth.
4. cultivation apparatus without soil according to claim 1 is characterized in that, the 5th pin of said NE555 chip is through second capacity earth.
5. cultivation apparatus without soil according to claim 1 is characterized in that, the 6th pin of said NE555 chip is through first resistance eutral grounding; The 2nd pin of said NE555 chip is through second resistance eutral grounding.
6. cultivation apparatus without soil according to claim 1 is characterized in that, also is in series with diode and the 3rd resistance between the 3rd pin of said NE555 chip and the light emitting diode.
7. cultivation apparatus without soil according to claim 1 is characterized in that said relay is also connected with contactor.
8. according to the cultivation apparatus without soil described in above-mentioned any one claim, it is characterized in that said high water level detection line, mid water levels are surveyed line, low water level detection line is the rubber aluminum steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101177908A CN102771365A (en) | 2011-05-11 | 2011-05-11 | Soilless culture device with water level controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101177908A CN102771365A (en) | 2011-05-11 | 2011-05-11 | Soilless culture device with water level controller |
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| CN102771365A true CN102771365A (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101177908A Pending CN102771365A (en) | 2011-05-11 | 2011-05-11 | Soilless culture device with water level controller |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103535262A (en) * | 2013-06-24 | 2014-01-29 | 何勤学 | Soilless cultivation device and method for water spinach |
| CN108668688A (en) * | 2018-04-25 | 2018-10-19 | 凤冈县宏发米业有限公司 | A kind of breeding apparatus of rice |
-
2011
- 2011-05-11 CN CN2011101177908A patent/CN102771365A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103535262A (en) * | 2013-06-24 | 2014-01-29 | 何勤学 | Soilless cultivation device and method for water spinach |
| CN103535262B (en) * | 2013-06-24 | 2015-11-18 | 何勤学 | The devices and methods therefor of a kind of hydroponics water spinach |
| CN108668688A (en) * | 2018-04-25 | 2018-10-19 | 凤冈县宏发米业有限公司 | A kind of breeding apparatus of rice |
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Application publication date: 20121114 |