CN205263678U - Nutrient solution temperature control system based on hot electric refrigeration technique - Google Patents
Nutrient solution temperature control system based on hot electric refrigeration technique Download PDFInfo
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- CN205263678U CN205263678U CN201520894047.7U CN201520894047U CN205263678U CN 205263678 U CN205263678 U CN 205263678U CN 201520894047 U CN201520894047 U CN 201520894047U CN 205263678 U CN205263678 U CN 205263678U
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Abstract
The utility model discloses a nutrient solution temperature control system based on hot electric refrigeration technique, it includes: the main control module, temperature detection module, water pump module and response module, temperature detection module detects indoor, cultivation groove and nutrient solution case temperature value, and the response module is used for responding to semiconductor temperature control equipment to cultivating the rivers process between the groove, and the main control module is according to temperature value and influence value, control water pump module and solenoid valve execution related command, the utility model discloses non -staining environment, convenient to use can anticorrosive effectively, can realize the mesh of cooling and heating to can design the temperature control system of different specifications according to the needs of difference, can also the energy saving, the temperature control of efficient realization nutrient solution.
Description
Technical field
The utility model relates to temperature control field, especially the nutrient solution temperature control system based on thermoelectric cooling technology.
Background technology
Plant rhizosphere temperature to its water metabolism, mineral absorption, plant hormone metabolism, grow, photosynthesis etc.There is significant impact, root system to High Temperature Stress to coerce performance the most responsive, especially absorb root. The researchs such as Adams think,In the soilless culture of tomato nutrient liquid film, when rhizosphere temperature remains within the scope of 12 ~ 24 DEG C under condition, its plant dry mass, blade faceLong-pending and fruit yield increases with the rising of solution temperature. At present domestic main employing underground water, on the rocks, electrothermal tube heating withAnd strengthen the temperature of the measure control nutrient solution such as volume of nutrition liquid bath.
Summer, although utilize underground water cooling can effectively control the temperature of nutrient solution, serious to underground water waste, andBe subject to the restriction of geogen; Adopt method on the rocks to be not easy to realize the control to solution temperature, also easily to peripheryEnvironment. Winter, although adopt electrothermal tube heating can meet the requirement of plant growth, heat after a period of time,There is Cat+ in heating rod surface, the fouling of Mgt+ ion, the variation river that certainly will cause nutrient composition. Research is a kind of energy-conservation, highThe solution temperature control system of effect has realistic meaning.
Summary of the invention
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, provide a kind of energy-conservation, efficiently based on heatThe nutrient solution temperature control system of electricity Refrigeration Technique, it is free from environmental pollution, easy to use, and anticorrosion effectively can realize coolingWith the object of heating, and can be according to the different temperature control systems that need to design different size.
The technical solution adopted in the utility model is as follows:
A nutrient solution temperature control system based on thermoelectric cooling technology, it comprises: semiconductor refrigeration temperature control equipment, described halfConductor refrigeration temperature control equipment is provided with water inlet and delivery port, described water inlet by PVC water pipe respectively with water tank and nutrient solutionCase connects, and described delivery port is connected with water tank and cultivation bed respectively by PVC water pipe; Described cultivation bed is by PVC water pipe and battalionNutrient solution case connects, and described PVC water pipe is provided with magnetic valve; In described nutrient solution case, be provided with nutrition liquid bath, described semiconductor refrigeratingTemperature control device is connected with control cabinet, and described control cabinet is connected with power supply; Described water tank is divided into inlet water tank and recovery tank, for containingPut the water of temperature constant.
Due to adopt such scheme, make the temperature in cultivation bed and nutrition liquid bath even, there will not be local heating orThe situation of catching a cold in part, and whole system is free from environmental pollution, and easy to use.
Further, described semiconductor refrigeration temperature control equipment is provided with upper cover plate, described upper cover plate be provided with water inlet andDelivery port, described upper cover plate lower end is provided with rubber blanket, described semiconductor refrigeration temperature control equipment is provided with lower cover bottom, described underCover plate is provided with copper coin, and described copper coin is provided with thermoelectric module, and described thermoelectric module has more than two, described thermoelectric coolingSheet top is provided with copper coin, and described steel plate is located at rubber blanket below; Described upper cover plate and lower cover are bolted.
Owing to adopting such scheme, ensure fully contacting of thermoelectric module and copper coin, reduce again thermoelectric moduleAnd the thermal contact resistance between copper coin.
Further, on described copper coin and copper coin, be coated with carbon fibre; Described upper cover plate and lower cover are rock wool heat-preservation feltMaterial; In described rubber, be provided with two rectangular channels that are arranged in parallel above, described rectangular channel mutual conduction.
Owing to adopting such scheme, if do not adopt any anti-corrosion measure on copper coin, nutrient solution can cause necessarily copper coinCorrosion, if Cu2+ concentration is excessive in nutrient solution, cultivation seedling there will be intoxicating phenomenon to a certain degree, described in the utility modelThat carbon fibre has is high temperature resistant, rub resistance, conduction, heat conduction and corrosion-resistant etc., but different from general carbon materials, its profileThere are significant anisotropy, softness, can be processed into various fabrics, show very high intensity along fiber axis direction. Carbon fiber ratioHeavy little, therefore there is very high specific strength; Can effectively play etch-proof object; In described rubber, be provided with more than two parallelThe rectangular channel of row, described rectangular channel mutual conduction, mainly plays guide functions.
Further, it also comprises: main control module, temperature detecting module, water pump module and induction module;
Described temperature detecting module comprises the temperature sensor of being located in indoor, cultivation bed and nutrient solution case; For detection ofIndoor temperature value T1, and be converted into digital signaling zero 01 and be passed to main control module; Detect the temperature value T2 in cultivation bed, andBe converted into digital signaling zero 02 and be passed to main control module; Detect the temperature value T3 in nutrient solution case, and be converted into data signal003 is passed to main control module;
Induction module comprises is located at semiconductor temperature-control equipment to the induction installation on the PVC water pipe between cultivation bed, for senseAnswer current process, and to main control module transmitting digital signals 101; In the time that current stop, to main control transmitting digital signals102；
Described main control module is connected with temperature detecting module, water pump module, induction module and control cabinet;
Receiving digital signals 001, when T1 >=predetermined temperature value 01(is preferably 35 degrees Celsius) time, hold to the transmission of water pump moduleRow signal 201, if when T1≤predetermined temperature value 02(tomato seedling, is preferably 16 DEG C) time, letter carried out to the transmission of water pump moduleNumbers 202; Receiving digital signals 101, the magnetic valve on the PVC water pipe to nutrient solution case to cultivation bed transmits executive signal 301, withTime to water pump module transmit executive signal 203; Receiving digital signals 102, nutrient solution case is to the electromagnetism on the PVC water pipe of cultivation bedValve transmits executive signal 302, transmits executive signal 204 to water pump module simultaneously; Receiving digital signals 002, when T2 >=pre-constant temperatureDegree value 03(is preferably 28 degrees Celsius) time, executive signal 205 transmitted to water pump module, if as T2≤predetermined temperature value 04(kindEggplant seedling, is preferably 16 DEG C) time, executive signal 206 transmitted to water pump module; Receiving digital signals 003, when T3 >=predetermined temperatureValue 05(is preferably 28 degrees Celsius) time, executive signal 207 transmitted to water pump module, if when T3≤predetermined temperature value 06(tomatoSeedling, is preferably 16 DEG C) time, executive signal 208 transmitted to water pump module;
Water pump module comprises the water pump of being located in water tank and nutrient solution case, and described water pump is connected with control cabinet, for receivingExecutive signal 201,205 or 207, the water pump in control cabinet control water tank is opened, and the opening time is scheduled time value 01, and water is taken outEnter semiconductor temperature-control equipment refrigeration (water enters cultivation bed); Receive executive signal 203, the water pump in control cabinet control nutrient solution caseOpen; Receive executive signal 204, the water pump in control cabinet control nutrient solution case cuts out; Receive executive signal 202,206 or 208,Water pump in control cabinet control water tank is opened, and the opening time is scheduled time value 02, and water suction semiconductor temperature-control equipment is heated(water enters cultivation bed); Again receive executive signal 203, the water pump in control cabinet control nutrient solution case is opened; (in nutrient solutionWater suction semiconductor temperature-control equipment;
Described magnetic valve receives executive signal 301, opens its valve, receives executive signal 302, closes its valve.
Owing to adopting such scheme, can effectively realize the object of falling mild heat, and can be according to the different designs that needsGo out the temperature control system of different size;
Further, it also comprises: flow detection module and alarm module, described flow detection module comprises is located at nutritionLiquid case is to the flow detector on the PVC water pipe of semiconductor temperature-control equipment, the water pump open period in nutrient solution case, described streamAmount detection module detects the discharge of nutrient solution case to semiconductor temperature-control equipment, in the time that discharge < predetermined amount of flow is worth 01, to master controlMolding piece transmitting digital signals 601, described main control module receiving digital signals 601, transmits executive signal to alarm module701; Described alarm module comprises alarm, for receiving executive signal 701, alarm for opening.
Owing to adopting such scheme, if flow detection module detects nutrient solution case to the PVC between semiconductor temperature-control equipmentWater pipe occurs breaking, leaks or other problems and affect back liquid effect, and the alarm module warning of will setting out, reminds staffInspection problem, and make in time finishing.
Further, a kind of Temp. control method of the nutrient solution temperature control system based on thermoelectric cooling technology, it comprises following stepRapid:
Step 1: seedling, the in-built full water of water tank are cultivated in cultivation in cultivation bed; Cultivation bed and nutrition liquid bath in-built enter scheduled volumeWater; Open a kind of nutrient solution temperature control system power supply based on thermoelectric cooling technology;
Step 2: the temperature value T1 in temperature detecting module sensing chamber, and be converted into digital signaling zero 01 and be passed to main controlModule, described main control module receiving digital signals 001, when T1 >=predetermined temperature value 01(is preferably 35 degrees Celsius) time, Xiang ShuiPump module transmits executive signal 201, and described water pump module receives executive signal 201, and in control cabinet control water tank, water pump is opened,Opening time is scheduled time value 01, and water suction semiconductor temperature-control equipment is freezed to predetermined temperature value 04; Water after refrigeration entersEnter cultivation bed; If when T1≤predetermined temperature value 02(tomato seedling, be preferably 16 DEG C) time, main control module is to water pump moduleTransmit executive signal 202; Water pump module receives executive signal 202, and the water pump in control cabinet control water tank is opened, and the opening time isScheduled time value 02, heats water suction semiconductor temperature-control equipment, and the water after heating enters cultivation bed;
Step 3: induction module induction semiconductor temperature-control equipment has current process to the PVC water pipe between cultivation bed, to masterControl module transmitting digital signals 101; Described main control module receiving digital signals 101, the PVC to nutrient solution case to cultivation bedMagnetic valve on water pipe transmits executive signal 301, transmits executive signal 203 to water pump module simultaneously; Described magnetic valve receives and holdsRow signal 301, opens its valve; Now the water in cultivation bed returns liquid to nutrient solution case; Described water pump module receives executive signal203, the water pump in control cabinet control nutrient solution case is opened, thereby the water in nutrient solution case flows back to water through semiconductor temperature-control equipmentCase (in recovery tank);
Step 4: induction module senses when semiconductor temperature-control equipment to current in the PVC water pipe between cultivation bed stop, toMain control transmitting digital signals 102; Described main control module receiving digital signals 102, to nutrient solution case (5) to cultivation bedMagnetic valve on PVC water pipe transmits executive signal 302, transmits executive signal 204 to water pump module simultaneously; Described magnetic valve receivesExecutive signal 302, closes its valve; Receive executive signal 204, the water pump in control cabinet control nutrient solution case cuts out;
Step 5: temperature detecting module detects the temperature value T2 in cultivation bed, and be converted into digital signaling zero 02 and be passed to masterControl module; Described main control module receiving digital signals 002, when T2 >=predetermined temperature value 03(is preferably 28 degrees Celsius) time,Transmit executive signal 205 to water pump module, water pump module receives executive signal 205, and the water pump in control cabinet control water tank is opened,Opening time is scheduled time value 01, and by water suction semiconductor temperature-control equipment refrigeration, the water after refrigeration enters cultivation bed; When T2≤If predetermined temperature value 04(tomato seedling, is preferably 16 DEG C) time, main control module transmits executive signal 206 to water pump module;Water pump module receives executive signal 206, and the water pump in control cabinet control water tank is opened, and the opening time is scheduled time value 02, willWater suction semiconductor temperature-control equipment heats, and the water after heating enters cultivation bed;
Step 6: repeating step 3 and step 4;
Step 7: temperature detecting module detects the temperature value T3 in nutrient solution case, and be converted into digital signaling zero 03 and be passed toMain control module; Described main control module receiving digital signals 003, when T3 >=predetermined temperature value 05(is preferably 28 degrees Celsius)Time, transmit executive signal 207 to water pump module, water pump module receives executive signal 207, and the water pump in control cabinet control water tank leavesOpen, the opening time is scheduled time value 01, and by water suction semiconductor temperature-control equipment refrigeration, the water after refrigeration enters cultivation bed; WhenIf T3≤predetermined temperature value 06(tomato seedling, is preferably 16 DEG C) time, main control module is carried out letter to the transmission of water pump moduleNumbers 208; Described water pump module receives executive signal 208, and the water pump in control cabinet control water tank is opened, and the opening time is pre-timingBetween be worth 02, water suction semiconductor temperature-control equipment is heated, the water after heating enters cultivation bed;
Step 8: repeating step 6;
Step 9: the water pump open period in nutrient solution case, flow detection module detects nutrient solution case to semiconductor temperature-controlThe discharge of equipment, in the time that discharge < predetermined amount of flow is worth 01, to main control module transmitting digital signals 601, described master control moldingPiece receiving digital signals 601, transmits executive signal 701 to alarm module; Described alarm module receives executive signal 701, opensAlarm.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
1, anticorrosion effectively, free from environmental pollution, easy to use;
2, can realize the object of falling mild heat, and can be according to the different temperature control systems that need to design different sizeSystem;
3, can save the energy, realize efficiently the temperature control of nutrient solution.
Brief description of the drawings
The utility model will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is a kind of system construction drawing of the nutrient solution temperature control system based on thermoelectric cooling technology.
Fig. 2 is the structural representation of semiconductor refrigeration temperature control equipment.
Detailed description of the invention
Disclosed all features in this description, or step in disclosed all methods or process, except mutually exclusiveFeature and/or step beyond, all can combine by any way.
Disclosed arbitrary feature in this description (comprising any accessory claim, summary), unless narration especially all canReplaced by other equivalences or the alternative features with similar object. ,, unless narration especially, each feature is a series ofAn example in equivalence or similar characteristics.
As illustrated in fig. 1 and 2, a kind of nutrient solution temperature control system based on thermoelectric cooling technology, it comprises: semiconductor refrigeratingTemperature control device 2, described semiconductor refrigeration temperature control equipment 2 is provided with water inlet 11 and delivery port 17, and described water inlet 11 passes through PVCWater pipe is connected with water tank 3 and nutrient solution case 5 respectively, and described delivery port 17 connects with water tank 3 and cultivation bed respectively by PVC water pipeConnect; Described cultivation bed is connected with nutrient solution case 5 by PVC water pipe, and described PVC water pipe is provided with magnetic valve; Described nutrient solution case 5Inside be provided with nutrition liquid bath 1, described semiconductor refrigeration temperature control equipment 2 is connected with control cabinet, and described control cabinet is connected with power supply; InstituteState water tank 3 and be divided into inlet water tank and recovery tank, for holding the water of temperature constant.
Described semiconductor refrigeration temperature control equipment 2 is provided with upper cover plate 12, and described upper cover plate 12 is provided with water inlet 11 and goes outThe mouth of a river 17, described upper cover plate 12 lower ends are provided with rubber blanket 13, and described semiconductor refrigeration temperature control equipment 2 is provided with lower cover bottom,Described lower cover is provided with copper coin 15, and described copper coin 15 is provided with thermoelectric module 16, and described thermoelectric module has more than two,Described thermoelectric module top is provided with copper coin 14, and described steel plate 14 is located at rubber blanket 13 belows; Described upper cover plate 12 and lower coverBe bolted.
On described copper coin 14 and copper coin 15, be coated with carbon fibre; Described upper cover plate 12 and lower cover are rock wool heat-preservation felt materialMaterial; In described rubber 3, be provided with two rectangular channels that are arranged in parallel above, described rectangular channel mutual conduction.
It also comprises: main control module, temperature detecting module, water pump module and induction module;
Described temperature detecting module comprises the temperature sensor of being located in indoor, cultivation bed and nutrient solution case 5; For detection ofIndoor temperature value T1, and be converted into digital signaling zero 01 and be passed to main control module; Detect the temperature value T2 in cultivation bed, andBe converted into digital signaling zero 02 and be passed to main control module; Detect the temperature value T3 in nutrient solution case 5, and be converted into data signal003 is passed to main control module;
Induction module comprises is located at semiconductor temperature-control equipment 2 to the induction installation on the PVC water pipe between cultivation bed, for senseAnswer current process, and to main control module transmitting digital signals 101; In the time that current stop, to main control transmitting digital signals102；
Described main control module is connected with temperature detecting module, water pump module, induction module and control cabinet;
Receiving digital signals 001, when T1 >=predetermined temperature value 01(is preferably 35 degrees Celsius) time, hold to the transmission of water pump moduleRow signal 201, if when T1≤predetermined temperature value 02(tomato seedling, is preferably 16 DEG C) time, letter carried out to the transmission of water pump moduleNumbers 202; Receiving digital signals 101, the magnetic valve on the PVC water pipe to nutrient solution case 5 to cultivation bed transmits executive signal 301,Transmit executive signal 203 to water pump module simultaneously; Receiving digital signals 102, nutrient solution case 5 is on the PVC water pipe of cultivation bedMagnetic valve transmits executive signal 302, transmits executive signal 204 to water pump module simultaneously; Receiving digital signals 002, as T2 >=pre-Fixed temperature value 03(is preferably 28 degrees Celsius) time, executive signal 205 transmitted to water pump module, if as T2≤predetermined temperature value 04(For tomato seedling, be preferably 16 DEG C) time, executive signal 206 transmitted to water pump module; Receiving digital signals 003, as T3 >=predeterminedTemperature value 05(is preferably 28 degrees Celsius) time, executive signal 207 transmitted to water pump module, if as T3≤predetermined temperature value 06(Tomato seedling, is preferably 16 DEG C) time, executive signal 208 transmitted to water pump module;
Water pump module comprises the water pump 4 of being located in water tank 3 and nutrient solution case 5, and described water pump 4 is connected with control cabinet, forReceive executive signal 201,205 or 207, the water pump 4 in control cabinet control water tank 3 is opened, and the opening time is scheduled time value 01,By water suction semiconductor temperature-control equipment 2 freeze (water enters cultivation bed); Receive executive signal 203, control cabinet control nutrient solution case 5Interior water pump 4 is opened; Receive executive signal 204, the water pump 4 in control cabinet control nutrient solution case 5 cuts out; Receive executive signal202,206 or 208, the water pump 4 in control cabinet control water tank 3 is opened, and the opening time is scheduled time value 02, and water suction is partly ledBody temperature control device 2 heats, and water enters cultivation bed); Again receive executive signal 203, the water pump in control cabinet control nutrient solution case 54 open; (by the water suction semiconductor temperature-control equipment 2 in nutrient solution;
Described magnetic valve receives executive signal 301, opens its valve, receives executive signal 302, closes its valve.
It also comprises: flow detection module and alarm module, described flow detection module comprises is located at nutrient solution case 5 to halfFlow detector on the PVC water pipe of conductor temperature control device 2, water pump 4 open periods in nutrient solution case 5, described flow inspectionSurvey module and detect nutrient solution case 5 discharges to semiconductor temperature-control equipment 2, in the time that discharge < predetermined amount of flow is worth 01, to main controlModule transmitting digital signals 601, described main control module receiving digital signals 601, transmits executive signal 701 to alarm module;Described alarm module comprises alarm, for receiving executive signal 701, alarm for opening.
A Temp. control method for nutrient solution temperature control system based on thermoelectric cooling technology, it comprises the following steps:
Step 1: seedling, the in-built full water of water tank are cultivated in cultivation in cultivation bed; Cultivation bed and nutrition liquid bath in-built enter scheduled volumeWater; Open a kind of nutrient solution temperature control system power supply based on thermoelectric cooling technology;
Step 2: the temperature value T1 in temperature detecting module sensing chamber, and be converted into digital signaling zero 01 and be passed to main controlModule, described main control module receiving digital signals 001, when T1 >=predetermined temperature value 01(is preferably 35 degrees Celsius) time, Xiang ShuiPump module transmits executive signal 201, and described water pump module receives executive signal 201, and the interior water pump 4 of control cabinet control water tank 3 leavesOpen, the opening time is scheduled time value 01, and water suction semiconductor temperature-control equipment 2 is freezed to predetermined temperature value 04; After refrigerationWater enters cultivation bed; If when T1≤predetermined temperature value 02(tomato seedling, be preferably 16 DEG C) time, main control module is to water pumpModule is transmitted executive signal 202; Water pump module receives executive signal 202, and the water pump 4 in control cabinet control water tank 3 is opened, and opensTime is scheduled time value 02, and water suction semiconductor temperature-control equipment 2 is heated, and the water after heating enters cultivation bed;
Step 3: induction module induction semiconductor temperature-control equipment 2 has current process to the PVC water pipe between cultivation bed, to masterControl module transmitting digital signals 101; Described main control module receiving digital signals 101, to nutrient solution case 5 to cultivation bedMagnetic valve on PVC water pipe transmits executive signal 301, transmits executive signal 203 to water pump module simultaneously; Described magnetic valve receivesExecutive signal 301, opens its valve; Now the water in cultivation bed returns liquid to nutrient solution case 5; Described water pump module receives carries out letterNumbers 203, the water pump 4 in control cabinet control nutrient solution case 5 is opened, thereby the water in nutrient solution case 5 is through semiconductor temperature-control equipment 2Recovery tank in reflow tank 3();
Step 4: induction module senses when semiconductor temperature-control equipment 2 to current in the PVC water pipe between cultivation bed stop, toMain control transmitting digital signals 102; Described main control module receiving digital signals 102, the PVC to nutrient solution case 5 to cultivation bedMagnetic valve on water pipe transmits executive signal 302, transmits executive signal 204 to water pump module simultaneously; Described magnetic valve receives and holdsRow signal 302, closes its valve; Receive executive signal 204, the water pump 4 in control cabinet control nutrient solution case 5 cuts out;
Step 5: temperature detecting module detects the temperature value T2 in cultivation bed, and be converted into digital signaling zero 02 and be passed to masterControl module; Described main control module receiving digital signals 002, when T2 >=predetermined temperature value 03(is preferably 28 degrees Celsius) time,Transmit executive signal 205 to water pump module, water pump module receives executive signal 205, and the water pump 4 in control cabinet control water tank 3 leavesOpen, the opening time is scheduled time value 01, and water suction semiconductor temperature-control equipment 2 is freezed, and the water after refrigeration enters cultivation bed; WhenIf T2≤predetermined temperature value 04(tomato seedling, is preferably 16 DEG C) time, main control module transmits executive signal to water pump module206; Water pump module receives executive signal 206, and the water pump 4 in control cabinet control water tank 3 is opened, and the opening time is scheduled time value02, water suction semiconductor temperature-control equipment 2 is heated, the water after heating enters cultivation bed;
Step 6: repeating step 3 and step 4;
Step 7: temperature detecting module detects the temperature value T3 in nutrient solution case 5, and be converted into digital signaling zero 03 and be passed toMain control module; Described main control module receiving digital signals 003, when T3 >=predetermined temperature value 05(is preferably 28 degrees Celsius)Time, transmit executive signal 207 to water pump module, water pump module receives executive signal 207, the water pump 4 in control cabinet control water tank 3Open, the opening time is scheduled time value 01, and water suction semiconductor temperature-control equipment 2 is freezed, and the water after refrigeration enters cultivation bed;If when T3≤predetermined temperature value 06(tomato seedling, be preferably 16 DEG C) time, main control module is carried out to the transmission of water pump moduleSignal 208; Described water pump module receives executive signal 208, and the water pump 4 in control cabinet control water tank 3 is opened, and the opening time is pre-The value of fixing time 02, heats water suction semiconductor temperature-control equipment 2, and the water after heating enters cultivation bed;
Step 8: repeating step 6;
Step 9: water pump 4 open periods in nutrient solution case 5, flow detection module detects nutrient solution case 5 to semiconductorThe discharge of temperature control device 2, in the time that discharge < predetermined amount of flow is worth 01, to main control module transmitting digital signals 601, described masterControl module receiving digital signals 601, transmits executive signal 701 to alarm module; Described alarm module receives executive signal701, alarm for opening.
The utility model is not limited to aforesaid detailed description of the invention. The utility model expands to any at this descriptionThe new feature of middle disclosure or any new combination, and the arbitrary new method disclosing or step or any new group of processClose.
Claims (5)
1. the nutrient solution temperature control system based on thermoelectric cooling technology, is characterized in that, it comprises: semiconductor refrigeration temperature control is establishedStandby (2), described semiconductor refrigeration temperature control equipment (2) is provided with water inlet (11) and delivery port (17), and described water inlet (11) is logicalCross PVC water pipe and be connected with water tank (3) and nutrient solution case (5) respectively, described delivery port (17) by PVC water pipe respectively with water tank(3) be connected with cultivation bed; Described cultivation bed is connected with nutrient solution case (5) by PVC water pipe, and described PVC water pipe is provided with electromagnetismValve; In described nutrient solution case (5), be provided with nutrition liquid bath (1), described semiconductor refrigeration temperature control equipment (2) is connected with control cabinet,Described control cabinet is connected with power supply; Described water tank (3) is divided into inlet water tank and recovery tank, for holding the water of temperature constant.
2. the nutrient solution temperature control system based on thermoelectric cooling technology as claimed in claim 1, is characterized in that described semiconductorRefrigeration temperature control equipment (2) is provided with upper cover plate (12), and described upper cover plate (12) is provided with water inlet (11) and delivery port (17), instituteState upper cover plate (12) lower end and be provided with rubber blanket (13), described semiconductor refrigeration temperature control equipment (2) is provided with lower cover bottom, described inLower cover is provided with copper coin (15), and described copper coin (15) is provided with thermoelectric module (16), described thermoelectric module have two withUpper, described thermoelectric module top is provided with copper coin (14), and described steel plate (14) is located at rubber blanket (13) below; Described upper cover plate(12) and lower cover be bolted.
3. the nutrient solution temperature control system based on thermoelectric cooling technology as claimed in claim 2, is characterized in that described copper coin(14) and on copper coin (15) be coated with carbon fibre; Described upper cover plate (12) and lower cover are rock wool heat-preservation felt material; Described rubber(3) in, be provided with two rectangular channels that are arranged in parallel above, described rectangular channel mutual conduction.
4. the nutrient solution temperature control system based on thermoelectric cooling technology as claimed in claim 3, is characterized in that, it also comprises:Main control module, temperature detecting module, water pump module and induction module;
Described temperature detecting module comprises the temperature sensor of being located in indoor, cultivation bed and nutrient solution case (5); For detection of chamberIn temperature value T1, and be converted into digital signaling zero 01 and be passed to main control module; Detect the temperature value T2 in cultivation bed, and turnTurn to digital signaling zero 02 and be passed to main control module; Detect the temperature value T3 in nutrient solution case (5), and be converted into data signal003 is passed to main control module;
Induction module comprises is located at semiconductor temperature-control equipment (2) to the induction installation on the PVC water pipe between cultivation bed, for inductionCurrent process, and to main control module transmitting digital signals 101; In the time that current stop, to main control transmitting digital signals 102;
Described main control module is connected with temperature detecting module, water pump module, induction module and control cabinet;
Receiving digital signals 001, in the time of T1 >=predetermined temperature value 01, transmits executive signal 201 to water pump module, as T1≤predeterminedWhen temperature value 02, transmit executive signal 202 to water pump module; Receiving digital signals 101, to nutrient solution case (5) to cultivation bedMagnetic valve on PVC water pipe transmits executive signal 301, transmits executive signal 203 to water pump module simultaneously; Receiving digital signals102, nutrient solution case (5) to the magnetic valve on the PVC water pipe of cultivation bed transmits executive signal 302, transmits to water pump module simultaneouslyExecutive signal 204; Receiving digital signals 002, in the time of T2 >=predetermined temperature value 03, transmits executive signal 205 to water pump module, whenWhen T2≤predetermined temperature value 04, transmit executive signal 206 to water pump module; Receiving digital signals 003, when T3 >=predetermined temperature value05 o'clock, transmit executive signal 207 to water pump module, in the time of T3≤predetermined temperature value 06, transmit executive signal to water pump module208；
Water pump module comprises the water pump (4) of being located in water tank (3) and nutrient solution case (5), and described water pump (4) is connected with control cabinet,Be used for receiving executive signal 201,205 or 207, the water pump (4) in control cabinet control water tank (3) is opened, and the opening time is for predeterminedTime value 01, freezes water suction semiconductor temperature-control equipment (2); Receive executive signal 203, control cabinet control nutrient solution case (5)Interior water pump (4) is opened; Receive executive signal 204, the water pump (4) in control cabinet control nutrient solution case (5) cuts out; Receive and carry outSignal 202,206 or 208, the water pump (4) in control cabinet control water tank (3) is opened, and the opening time is scheduled time value 02, by waterSuction semiconductor temperature-control equipment (2) heats; Again receive executive signal 203, the water pump in control cabinet control nutrient solution case (5)(4) open;
Described magnetic valve receives executive signal 301, opens its valve, receives executive signal 302, closes its valve.
5. the nutrient solution temperature control system based on thermoelectric cooling technology as claimed in claim 4, is characterized in that, it also comprises:Flow detection module and alarm module, described flow detection module comprises is located at nutrient solution case (5) to semiconductor temperature-control equipment (2)PVC water pipe on flow detector, water pump (4) open period in nutrient solution case (5), described flow detection module detectsNutrient solution case (5), to the discharge of semiconductor temperature-control equipment (2), in the time that discharge < predetermined amount of flow is worth 01, passes to main control modulePass data signal 601, described main control module receiving digital signals 601, transmits executive signal 701 to alarm module; Described reportAlert module comprises alarm, for receiving executive signal 701, alarm for opening.
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| CN201520894047.7U CN205263678U (en) | 2015-11-11 | 2015-11-11 | Nutrient solution temperature control system based on hot electric refrigeration technique |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334893A (en) * | 2015-11-11 | 2016-02-17 | 成都九十度工业产品设计有限公司 | Nutrient solution temperature control system based on thermoelectric refrigeration technology and method |
| CN109792944A (en) * | 2018-12-24 | 2019-05-24 | 北京农业智能装备技术研究中心 | Nutrient solution physical constant temperature energy conserving system |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334893A (en) * | 2015-11-11 | 2016-02-17 | 成都九十度工业产品设计有限公司 | Nutrient solution temperature control system based on thermoelectric refrigeration technology and method |
| CN109792944A (en) * | 2018-12-24 | 2019-05-24 | 北京农业智能装备技术研究中心 | Nutrient solution physical constant temperature energy conserving system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Feng Shaohong Inventor before: Lu Ye |
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| TR01 | Transfer of patent right |
Effective date of registration: 20170531 Address after: 528000, No. 2, third floor, 303 South Hing Road, Ronggui District, Shunde District, Guangdong, Foshan Patentee after: FOSHAN CITY SHUNDE DISTRICT BENZE ELECTRONICS TECHNOLOGY CO.,LTD. Address before: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20170531 Address after: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 610000 Sichuan city of Chengdu province Wuhou District Wuhou Park Zone Vuko East Road No. 15 Building 2 1 unit 2 floor No. 231 Patentee before: CHENGDU JIUSHIDU INDUSTRIAL PRODUCTS DESIGN Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20191111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |