CN101919330B - Automatic control system of intelligent low-temperature grain storage and control method thereof - Google Patents
Automatic control system of intelligent low-temperature grain storage and control method thereof Download PDFInfo
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- CN101919330B CN101919330B CN2009100119363A CN200910011936A CN101919330B CN 101919330 B CN101919330 B CN 101919330B CN 2009100119363 A CN2009100119363 A CN 2009100119363A CN 200910011936 A CN200910011936 A CN 200910011936A CN 101919330 B CN101919330 B CN 101919330B
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Abstract
The invention relates to an automatic control system of intelligent low-temperature grain storage and a control method thereof. The automatic control system is provided with a plurality of three-dimensional vent pipes which are vertically arranged in storage space in a grain store; a three-dimensional branch vent is divided into multiple groups of first branches and second branches for which air blast and indraft are exchanged, wherein the first branch is connected with the air outlet of a circulating fan respectively through a first divided manifold and a first header pipe, and the second branch is connected with the air inlet of the circulating fan respectively by a second divided manifold and a second header pipe; a first branch pipe and a second branch pipe which carry out wind direction commutation control to the first branch and the second branch by an air valve are arranged between a blast main and an air suction header pipe; and the first branch, the second branch, the first divided manifold, the second divided manifold, the first header pipe and the second header pipe are all provided with a motor-driven air valve connected with the control device. The system and the method of the invention assure grain storage quality, save fund and energy, obtain the purpose of environmentally-friendly storage, can assure the safety and health of prevention personnel, reduce larbor intensity and have simple operation.
Description
Technical field
The present invention relates to a kind of low-temperature grain-storage technology, specifically a kind of intelligent low-temperature grain storage automatic control system and control method thereof.
Background technology
Economic development along with society; Improving constantly of scientific and technological level and living standards of the people; People increase the increasing demand of the pollution-free food of high-quality, high nutrition, and the green of grain, environmental protection storage have been classified as the important topic of storage work, are the developing direction of world food storage.
Low-temperature grain-storage is the reliable assurance of modern foodstuff preservation industry " low consumption, low cost, low pollution, high-quality, high nutrition, high benefit ".After China joined WTO; Make the foodstuff preservation industry in the overall situation that incorporates globalization to a greater extent; Improve stored grain quality, reduce the grain storage cost, guarantee stored grain safety and fresh-keeping degree; Help improving the competitive ability of China's grain industry, help national people and can be able to eat green, FF in international grain market.
In order to guarantee the no worm of grain heap, if the normal temperature grain storage, need carry out medical treatment every year to the grain that stores, and disregards the consumption of fund, and the processing of medicine residue causes very big harm to social environment.Owing to the chemicals kind that is used for grain is prevented and treated is deficient, insect develops immunity to drugs to existing medicament gradually, and stifling repeatedly and drug abuse is also brought harm to society gradually.During grain routine storage, infested going mouldy happens occasionally, the grain storage prolongation in time and the rising of temperature under the normal temperature, and the aging speed of grain is accelerated, and its nutritional quality loss is serious.
Since the reform and opening-up, the grain industry often runs into following problem in purchase and deposit process: in the grain purchases process, can not guarantee the control of safe moisture content index fully, if press the safe moisture purchase, be difficult to find enough grain sources.For accomplishing the purchase task, need relax the grain purchases moisture content index.The grain than high-moisture of new purchase need be handled through airing or oven dry, reach safe moisture after, the safe storage of just can putting in storage.The expense that airing or drying course produce, loss and the influence of grain fresh keeping degree compared with the method than high-moisture that the drying generator function of this system of use goes to handle in the grain all have gap largely.And low-temperature grain-storage can suitably relax the moisture content index of grain, to guarantee the freshness of grain; At the grain of 15 ℃ of following ambient storage, avoided the growth reproduction of grain storage pest, omitted chemicals control to grain.The grain storage system that at present, can satisfy aforementioned requirement does not appear in the newspapers as yet.
Summary of the invention
To above-mentioned many weak points that grain warehousing system in the prior art exists, the technical problem that the present invention will solve provides the intelligent low-temperature grain storage automatic control system and the control method thereof of a kind of realization the " green storage ".
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is:
Intelligent low-temperature grain storage robot control system(RCS) of the present invention has a plurality of stereoscopic ventilation pipes; Vertically be located at the silo internal storage space; The stereoscopic ventilation arm is divided into the air blast of many groups and first arm and second arm that uses exchanged in air draught, and wherein first arm links to each other with the air outlet of circulating fan through first manifold, first house steward respectively; Second arm links to each other with the air inlet of circulating fan through second manifold, second house steward respectively; Be provided with between blast main and the air draught house steward through air-valve first arm and second arm are carried out first and second cross over pipe that the wind direction switching-over is controlled, be equipped with the Electric air valve that links to each other with control device on above-mentioned first arm, second arm, first manifold, second manifold, first house steward and second house steward.
Said many group first arms and second arm with the single-row alternate layout of the unit of classifying as, form the stereoscopic ventilation pipe network that is made up of single-row independent many groups ventilation duct of controlling in storage space; Said first house steward goes up parallel connection and is provided with refrigerating evaporator and humidifier; Be provided with airtight thermal-insulating sealing layer above the inner grain reservation of said silo, it is for being equipped with insulation material in the centre of the airtight plastic film of insulation, and the plastic, thermal-insulation diaphragm seal closely sticks on the interior walls of silo; The thermal-insulating sealing layer is provided with the sample hole and local grain feelings are handled the subsequent use jack of airduct.
The control method of a kind of intelligent low-temperature grain storage robot control system(RCS) of the present invention may further comprise the steps:
Beginning judges whether the main controlling element in the control device passes through self diagnosis;
As pass through, then judge whether to carry out overtemperature alarm and detect;
As do not carry out overtemperature alarm and detect, then judge whether to carry out Automatic Cycle and detect;
As do not carry out Automatic Cycle and detect, judge whether that then the N row circulating ventilation of carrying out many group first arms and second arm detects, wherein N is a natural number;
As do not carry out the circulating ventilation of N row and detect, judge whether that then the commutation cycle ventilation of carrying out many group first arms and second arm detects;
As do not carry out the commutation cycle ventilation and detect, then carry out temperature detection;
The output testing result finishes one time the loop control process.
Detect if carry out the commutation cycle ventilation, then call the commutation cycle subprogram and carry out the commutation cycle ventilation according to the following steps:
Set commutating period, and judge and whether to arrive the time;
As be less than, open the 2nd main valve, open the 6th main valve;
Close the 3rd main valve, close the 4th main valve;
Start the compressor of circulating fan and evaporator;
The end that once circulates of this direction;
If arrive commutating period, then open the 3rd main valve, open the 4th main valve;
Close the 2nd main valve, close the 6th main valve;
Start the compressor of circulating fan and evaporator;
Main program is returned in the end that once circulates of this direction.
As carry out N row cycle detection, then call N row cycle detection subprogram and carry out N row cycle detection according to the following steps:
If there is not the overtemperature alarm signal, there is not the Automatic Cycle signal yet, then open the 1st main valve, close the 5th main valve;
Open the 2nd main valve, close the 3rd main valve;
Open the 6th main valve, close the 4th main valve;
Open N row air draught valve and N row air blast valve;
Start the compressor of circulating fan and evaporator;
Finish, return main program.
As carry out Automatic Cycle and detect, then call Automatic Cycle detection subprogram and carry out the Automatic Cycle detection according to the following steps:
Judged whether the overtemperature alarm signal;
If there is not the overtemperature alarm signal, then open the 1st main valve, close the 5th main valve;
Open the 2nd main valve, close the 3rd main valve;
Open the 6th main valve, close the 4th main valve;
Open N row air draught valve and N row air blast valve;
Start the compressor of circulating fan and evaporator;
Whether detect grain moisture content normal;
Be lower than safe moisture content like grain moisture content, then open the 5th main valve, start humidifier grain is added wet process;
Finish this time Automatic Cycle and detect, return main program.
As carry out overtemperature alarm and detect, then call overtemperature alarm detection subprogram and carry out the overtemperature alarm detection according to the following steps:
Open the 1st main valve, close the 5th main valve;
Open the 2nd main valve, close the 3rd main valve;
Open the 6th main valve, close the 4th main valve;
Open row air draught valve and row air blast valve;
Start the compressor of circulating fan and evaporator;
Whether the temperature that detects storage space has the overtemperature alarm signal, if having, then goes to and opens row air blast valve and air draught valve;
If there is not the overtemperature alarm signal, then finish this overtemperature alarm and detect, return main program.
The present invention has following beneficial effect and advantage:
1. guarantee the grain storage quality, save money and energy.The present invention arranges through silo inner ventilation pipeline, and the inner three-dimensional switching-over of silo is ventilated, and utilizes natural conditions to enforcement science controls such as the temperature of grain heap, humidity, can save airing expense, retention fee, reduces grain keeping loss; When storage expired outbound, the grain fresh keeping degree was high, and quality loss is little.
2. realized " green storage ".Because the present invention implements low-temperature grain-storage, greatly suppressed grain storage pest and microbial growth is bred, cold air circulates under film; Grain is hedged off from the outer world; Avoided the cross-infection of grain storage pest, grain does not contact with fumigation medicament, has reached the purpose of green storage.
3. the safety that guarantees the control personnel is with healthy.The present invention is because of having realized " green storage ", airtight warehouse needed material goods and materials expense such as breathing mask and articles for use expense when having avoided stifling.The more important thing is and avoid contacting of control personnel and poisonous fumigation medicament, the safety that has guaranteed the control personnel is with healthy.
4. minimizing labour intensity is simple to operate.Use silo of the present invention to need not grain is implemented a large amount of work such as cool solarization, dispenser, greatly reduced labour intensity and expense, the control device part is after simple training, and general personnel can operate.
Description of drawings
The general structure sketch map of air pipeline when Fig. 1 ventilates for forward of the present invention;
The general structure sketch map of air pipeline when Fig. 2 ventilates for the present invention commutates;
Fig. 3 arranges sketch map for chamber storehouse neutral body branch vent of the present invention;
Fig. 4 is a control device structured flowchart of the present invention;
Fig. 5 is the inventive method control flow chart;
Fig. 6 is switching-over control circulation process figure in the inventive method;
Fig. 7 is a row cycle detection flow chart in the inventive method;
Fig. 8 is an Automatic Cycle flow chart in the inventive method;
Fig. 9 is overtemperature alarm testing process figure in the inventive method.
Embodiment
Present embodiment is example with the chamber storehouse.Shown in Fig. 1～3; The present invention has a plurality of stereoscopic ventilation arms; Vertically be located at silo 1 internal storage space; The stereoscopic ventilation arm is divided into the air blast of many groups and exchanges first arm 19 and second arms 20 that use with air draught, and wherein first arm 19 passes through first manifold 13 respectively, first house steward 15 links to each other with the air outlet of circulating fan 2; Second ventilation duct 20 links to each other with the air inlet of circulating fan 2 through second manifold 14, second house steward 16 respectively; Be provided with first and second cross over pipe 17,18 that first arm 19 and second arm 20 is carried out wind direction switching-over control through air-valve between first house steward 15 and second house steward 16; Be equipped with each main valve that links to each other with control device on above-mentioned first arm 19, second arm 20, first manifold 13, second manifold 14, first house steward 15 and second house steward 16; Wherein the 2nd, the 3rd, the 4th and the 6th main valve 9,10,11,12 and first communicating pipe 17 and second cross over pipe 18 are worked in coordination, and under the effect of control device, realize the switching-over ventilation function.
Many group first arms 19 and second arm 20 are the single-row alternate layout of unit with the group in storage space, form the stereoscopic ventilation pipe network that is made up of the many groups of independent ventilation duct groups of controlling; Wherein N row air draught valve 4 is single group (row) control air-valves of many group manifolds with N row air blast valve 3, and establish about 30 in every storehouse, and the single group of control (row) is ventilated.Parallel connection is provided with evaporator 6 and humidifier 5 on first house steward 15.
Be provided with airtight thermal-insulating sealing layer above the silo 1 inner grain reservation, it is for being equipped with insulation material in the centre of the airtight plastic film of insulation, and the plastic, thermal-insulation diaphragm seal closely sticks on the interior walls of silo 1; The thermal-insulating sealing layer is provided with the sample hole and local grain feelings are handled the subsequent use jack of airduct; Insulation material is rice husk and PEF special-purpose thermal insulation materials such as (polyethylene from high pressure processes).Above-mentioned insulation construction forms circulating ventilation system under the film.
In the present embodiment, it is the stainless steel tube of 38mm that first arm 19 and second arm 20 adopt diameter, 1.5 meter one joint, and the Inside and outside screw snapping head that adopts stainless steel tube self to suppress between two pipes, circulating fan 2 adopts the D692645-4.3A models, and power is 4KW; First manifold 13, second manifold 14, first house steward 15 and second house steward 16 adopt the high-quality plastics pipe with sufficient intensity tool good seal.First arm 19 and second arm 20 are provided with perforate, and the perforate of granule grain ventilation ducts such as paddy rice and wheat is 1.9mmX10mm; The perforate of bulky grain such as corn and soybean grain ventilation duct is 2.2mmX10mm; The levels percent opening of stereoscopic ventilation pipe is decided according to the needs of different grain varieties, air blast, air draught, and the levels ventilation duct adopts 6 row perforates, 8 row perforates and 9 row perforates respectively.Percent opening (area ratio) is selected by layer between 15%-25%.
Said many group first arms 19 and second arm 20 are through the control of first and second cross over pipe 17,18 and each main valve, and all kinds of storehouses type can realize all around, the ventilation of switching-over up and down as required.(ventilation of switching-over up and down of chamber storehouse and vertical silo is that realize in the bulging air draught loop that utilizes original ground cage and the following 3 meters aspiration channels of grain face to combine.)
As shown in Figure 4, control device of the present invention adopts host computer and slave computer to cooperate control, and host computer carries out wireless telecommunications as management level through data radio station and slave computer, can realize functions such as the demonstration of real time data and parameter setting, report printings; Slave computer with PLC as control core; Its input connects all kinds of spot sensors; The transmitter that comprises temperature sensor, humidity sensor and pressure sensor; Output is connected to the compressor in circulating fan 2 and frequency converter, each main valve and the evaporator 6, and there is the intelligent low-temperature grain storage automatic control program PLC inside.
Industrial Control Computer software is according to the analysis of the feedback signal of scene temperature, blast, realized that calculator automatically detects, analyzes and handle the situation of grain reservation in the whole grain depot.
As shown in Figure 5, autocontrol method of the present invention is realized through following steps:
Beginning judges whether the main controlling element in the control device passes through self diagnosis;
As pass through, then judge whether to carry out overtemperature alarm and detect;
As do not carry out overtemperature alarm and detect, then judge whether to carry out Automatic Cycle and detect;
As do not carry out Automatic Cycle and detect, judge whether that then the N row circulating ventilation of carrying out many group first arms 19 and second arm 20 detects, wherein N is a natural number;
As do not carry out the circulating ventilation of N row and detect, judge whether that then the commutation cycle ventilation of carrying out many group first arms 19 and second arm 20 detects;
As do not carry out the commutation cycle ventilation and detect, then carry out temperature detection;
The output testing result finishes one time the loop control process.
As shown in Figure 6, the commutation cycle process of first arm 19 and second arm 20 is following:
Detect if carry out the commutation cycle ventilation, then call the commutation cycle subprogram and carry out the commutation cycle ventilation according to the following steps:
Set commutating period, and judge and whether to arrive the time;
As be less than, open the 2nd main valve 9, open the 6th main valve 12;
Close the 3rd main valve 10, close the 4th main valve 11;
Start the compressor of circulating fan 2 and evaporator 6;
The end that once circulates of this direction;
If arrive commutating period, then open the 3rd main valve 10, open the 4th main valve 11;
Close the 2nd main valve 9, close the 6th main valve 12;
Start the compressor of circulating fan 2 and evaporator 6;
Main program is returned in the end that once circulates of this direction.
Can set on host computer procedure commutating period according to the height of scene temperature value, and operated by rotary motion is about half an hour to one hour, to reach the purpose of raising the efficiency.
As shown in Figure 7, N row loop detection process is following:
If there is not the overtemperature alarm signal, there is not the Automatic Cycle signal yet, then open the 1st main valve 8, close the 5th main valve 7;
Open the 2nd main valve 9, close the 3rd main valve 10;
Open the 6th main valve 12, close the 4th main valve 11;
Open N row air draught valve 4 and N row air blast valve 3;
Start the compressor of circulating fan 2 and evaporator 6;
Finish, return main program.
As shown in Figure 8, the Automatic Cycle testing process is following:
As carry out Automatic Cycle and detect, then call Automatic Cycle detection subprogram and carry out the Automatic Cycle detection according to the following steps:
Judged whether the overtemperature alarm signal;
If there is not the overtemperature alarm signal, then open the 1st main valve 8, close the 5th main valve 7;
Open the 2nd main valve 9, close the 3rd main valve 10;
Open the 6th main valve 12, close the 4th main valve 11;
Open N row air draught valve 4 and N row air blast valve 3;
Start the compressor of circulating fan 2 and evaporator 6;
Whether detect grain moisture content normal;
Be lower than safe moisture content like grain moisture content, then open the 5th main valve 7, start 5 pairs of grains of humidifier and add wet process;
Finish this time Automatic Cycle and detect, return main program.
As shown in Figure 9, the overtemperature alarm testing process is following:
As carry out overtemperature alarm and detect, then call overtemperature alarm detection subprogram and carry out the overtemperature alarm detection according to the following steps:
Open the 1st main valve 8, close the 5th main valve 7;
Open the 2nd main valve 9, close the 3rd main valve 10;
Open the 6th main valve 12, close the 4th main valve 11;
Open row air draught valve 4 and row air blast valve 3;
Start the compressor of circulating fan 2 and evaporator 6;
Whether the temperature that detects storage space has the overtemperature alarm signal, if having, then goes to and opens row air blast valve 3 and air draught valve 4;
If there is not the overtemperature alarm signal, then finish this overtemperature alarm and detect, return main program.
In the present embodiment; Order according to being provided with is in advance opened main valve; Open 1-5 row first arm, 19 air blast valves 3 and 1-5 row second arm 20 air draught valves 4, run to setting-up time after, open the air blast valve and the air draught valve of equal number again; Close the air blast valve and the air draught valve of operation last time in succession, circulation is so again and again carried out.If system at first handles the temperature of alarm region when meeting heat alarm.Host computer sends instruction according to the heat alarm of system, opens the air blast valve in the alarm region, air draught valve.The general alarm temperature is located at 14 ℃, and ventilation time is provided with on the PLC program.Blast control is the feedback signal according to pressure sensor, and the frequency conversion of control frequency converter realizes with control circulating fan revolution.
In the present embodiment; The low-temperature grain-storage automatic control system is utilized power (system's aggregate power of 8KW; Comprise circulating fan adapted motor, refrigerating evaporator compressor adapted motor, detect the control system); Utilize winter in China the Northeast under the condition of sufficient condition air blast cooling of natural low temperature, the silo of 5000-6000 ton is guaranteed safety below 15 ℃, fresh-keeping aestivating; Grain moisture when putting in storage spring is inclined to one side, and roughly about 16.5%, than the drying generator of high-moisture grain, start at the beginning of 7 months was shut down at the beginning of 10 months, and grain security is aestivated, and fresh-keeping degree is good, and no grain storage pest harm takes place.An amount of modified being achieved in the foodstuff preservation process.
System and method of the present invention is specially adapted to the silo of longer term storage.Utilize the condition of physioclimate in winter, grain air blast in the storehouse is cooled to subzero about 10 ℃, carry out the sealing heat insulation work before commentaries on classics is warm, this is the sufficient and necessary condition that the miniature energy-saving refrigeration plant guarantees grain in summer low temperature.
Refrigerating evaporator 6 is except that reducing the grain temperature, and grain moisture content that also can moisture content is higher slowly disengages, and reaches safe moisture content gradually.Realize the purpose of drying generator, through sample examination, when grain moisture content is lower than safe moisture, can start humidifier 5, make the grain that is lower than safe moisture content, humidification is fresh-keeping gradually.
The present invention is the basis with circulating ventilation under the film; When summer and autumn, temperature was higher; Utilizing the ventilation equipment in the equipment is circulating fan 2; Towards first ventilation ducts 19 (or second ventilation duct 20) that many row's 1.9mm * 10mm rectangle ventilation holes are arranged, with the hot-air sucking-off in the grain heap, the refrigerating evaporator 6 in the process system is with its cooling through many rows (row); Utilize other (row) second arm 20 (or first arm 19) of arranging a group more again, by circulating fan 2 cold air is blasted and piled by the grain of film and gland material heat insulating and sealing.The simultaneous temperature checkout gear is beamed back temperature data; Send into calculator through the RS232 serial ports; Intellectual analysis software and Ventilation Control hardware (comprising the Electric air valve on calculator, on-the-spot PLC (Programmable Logic Controller) and each the single-row ventilation duct) carry out automatic analysis and Control to the circulating ventilation process of cold and hot air exchange, finally make the interior grain stack temperature of silo remain at (cryopreservation temperature control requirement) below 15 ℃ or (quasi-low-temperature storage temperature control requirement) below 20 ℃; Suppress grain storage pest growth reproduction and microbial activities; Realize the grain fresh keeping storage of silo is crossed the summer with safety with smaller power, in this equipment of use, through the inner cold and hot air circulation (utilizing the difference of cold and hot air absolute humidity) of grain heap; Grain moisture content is slowly disengaged at refrigerating evaporator 6 places, thereby reach the purpose of drying generator.
In the present embodiment, single-row ventilation duct obtains independent control, and forms the stereoscopic ventilation pipe network by the ventilation duct group of many groups of independent controls.Because the realization of single-row control, make 1260m
2Big silo be divided into more than 30 small size and go batch processing, switching-over is ventilated in addition, has avoided the generation of the hot skin phenomenon of the cold heart of large storehouse, particularly switching-over is ventilated and is made " cold core " in the silo obtain using energy source, and calculator is modified realizes more easily.
The present invention can save a large amount of warehousing costs.Take turns and be changed to example to store 5000 tons of paddy rice warehouses, 2 years storage lifves:
1. savable airing expense:
Airing to safe moisture content needs twice manual work to remove at least and smashes.Because labor cost is high, add the electricity charge, tarpaulin, mechanical depreciation, various goods, materials and equipments consumption, material articles for use, keeping laboratory fee etc., according to 30 yuan of measuring and calculating need per ton, count 150,000 yuan.
2. the loss of the non-moisture content decrement of savable airing:
In the airing process, owing to turning over, smashes in airing place grain, mechanical backing, part grain grain is powdered, loses edibility; Add other reasons such as wind and weather, whole Gui Cang, loss can reach 2/1000ths.By 2000 yuan of calculating per ton, 20,000 yuan of meter losses.
3. the quality loss after the savable airing:
The paddy rice of airing, because the sunlight insolation produces a large amount of quick-fried waist grains, in process, difficulty of processing is big, and head rice rate is low, and it is many to crack rice.Milled rice rate will reduce by 2% (accessory substance is cracked rice, rice chaff with corresponding increase by 2%), will reduce 70 tons of rice output, increase by 70 tons of by-products, will lose 140,000 yuan after offseting.
4. can reduce the expense of control:
Because the cryogenic property of grain storage of the present invention has greatly suppressed grain storage pest and microbial growth is bred, cold air circulates under film, and grain is hedged off from the outer world, and has avoided the cross-infection of grain storage pest, thereby has saved expenses for prevention and control; The wear and tear expense of grain storage pest moth grain food, airtight warehouse needed material goods and materials expense when stifling; Breathing mask, articles for use expense and health subsidies are used.The more important thing is and avoid contacting of control personnel and poisonous fumigation medicament, the safety that has guaranteed the control personnel is with healthy.Grain does not contact with fumigation medicament, has reached the purpose of green storage.The annual like this expenses for prevention and control that can save 20,000 yuan at least.
5. increasable income when rotating:
This system utilizes scientific and technical means, and low temperature precipitation reaches green purpose of storing without chemical agent, and the grain color and luster is fresh during outbound, and article are of fine quality, loss is little, and fresh-keeping degree is high, is pollution-free food, without airing (oven dry), does not have quick-fried waist grain, and head rice rate is high.The broken rice of processing is few, and regularity is good, bright in color, and features good taste, yield rate is high.Therefore, during outbound, compare with the paddy rice after shining, every jin, a traditional unit of weight exceeds 2 fens at least, and only this item can be increased income 200,000 yuan.
By the social benefit analysis, more than five diminishbb every year on average expenses and increasable income to add up to be 27.5 ten thousand yuan.Use depreciation cost, maintenance cost, power consumption expense and the contingency sum of this system, annual 4.25 ten thousand yuan of meter.Can save more than 20 ten thousand yuan every year.Store after 2 years, when carrying out outbound and rotating, can produce more than 40 ten thousand yuan benefit altogether.
After 2 years, even safe moisture content also can produce the moisture content decrement, especially boreal climate is dry regional by the routine storage for grain, and loss will be bigger.According to the practice by turns of the countries concerned's grain depot, loss can reach 0.5-1.0%.Use this system can pass through the computer realization intelligent control to grain moisture content; Make temperature, the humidity of grain heap constant, or utilize humidification function to carry out humidification, adjustment grain moisture content being lower than safe water content grain; Thereby avoid unnecessary moisture content decrement, and help the fresh-keeping of grain.
Use this system behind installation testing, easy and simple to handle, automaticity is high, and after simple training, general personnel can operate.
Tall and big silo and vertical silo are near the vent riser of the fixing Φ 50mm in bulkhead 500mm place; Φ 6 steel wire cables are housed in the pipe, and the 18B20 digital temperature sensor is equipped with for 1 meter in every interval, under the drive of weight; Get final product thermometric; The effective length that adjustable again rectification campaign pipe ventilates, to reach ventilation segment processing tall and big silo and vertical silo, guarantee it about temperature all below 15 ℃.
Claims (9)
1. intelligent low-temperature grain storage robot control system(RCS); It is characterized in that: have a plurality of stereoscopic ventilation arms; Vertically be located at silo (1) internal storage space; The stereoscopic ventilation arm is divided into the air blast of many groups and first arm (19) and second arm (20) that uses exchanged in air draught, and wherein first arm (19) links to each other with the air outlet of circulating fan (2) through first manifold (13), first house steward (15) respectively; Second arm (20) links to each other with the air inlet of circulating fan (2) through second manifold (14), second house steward (16) respectively; Be provided with between first house steward (15) and second house steward (16) through air-valve first arm (19) and second arm (20) are carried out first and second cross over pipe (17,18) that the wind direction switching-over is controlled, be equipped with each main valve that links to each other with control device on above-mentioned first arm (19), second arm (20), first manifold (13), second manifold (14), first house steward (15) and second house steward (16);
Said control device is by comprising master system and lower computer system, and host computer carries out wireless telecommunications through data radio station and slave computer; Lower computer system is the control core with PLC, and the PLC input connects the transmitter of scene temperature, humidity, pressure sensor and pressure sensor, and output is connected to the compressor in frequency converter, each main valve and the evaporator of circulating fan and circulating fan; There is the intelligent low-temperature grain storage automatic control program PLC inside.
2. by the described intelligent low-temperature grain storage robot control system(RCS) of claim 1; It is characterized in that: said many group first arms (19) and second arm (20) with the single-row alternate layout of the unit of classifying as, form the stereoscopic ventilation pipe network that is made up of single-row independent many groups ventilation duct of controlling in storage space.
3. by the described intelligent low-temperature grain storage robot control system(RCS) of claim 1, it is characterized in that: said first house steward (15) goes up parallel connection and is provided with refrigerating evaporator (6) and humidifier (5).
4. by the described intelligent low-temperature grain storage robot control system(RCS) of claim 1; It is characterized in that: be provided with airtight thermal-insulating sealing layer above the inner grain reservation of said silo (1); It is for being equipped with insulation material in the centre of the airtight plastic film of insulation, and the plastic, thermal-insulation diaphragm seal closely sticks on the interior walls of silo (1); The thermal-insulating sealing layer is provided with the sample hole and local grain feelings are handled the subsequent use jack of airduct.
5. the control method of an intelligent low-temperature grain storage robot control system(RCS) is characterized in that may further comprise the steps:
Beginning judges whether the main controlling element in the control device passes through self diagnosis;
As pass through, then judge whether to carry out overtemperature alarm and detect;
As do not carry out overtemperature alarm and detect, then judge whether to carry out Automatic Cycle and detect;
As do not carry out Automatic Cycle and detect, judge whether that then the N row circulating ventilation of carrying out many group first arms (19) and second arm (20) detects, wherein N is a natural number;
As do not carry out the circulating ventilation of N row and detect, judge whether that then the commutation cycle ventilation of carrying out many group first arms (19) and second (20) detects;
As do not carry out the commutation cycle ventilation and detect, then carry out temperature detection;
The output testing result finishes one time the loop control process.
6. by the control method of the described intelligent low-temperature grain storage robot control system(RCS) of claim 5, it is characterized in that: detect if carry out the commutation cycle ventilation, then call the commutation cycle subprogram and carry out the commutation cycle ventilation according to the following steps:
Set commutating period, and judge and whether to arrive the time;
As be less than, open the 2nd main valve (9), open the 6th main valve (12);
Close the 3rd main valve (10), close the 4th main valve (11);
Start the compressor of circulating fan (2) and evaporator (6);
The end that once circulates of this direction;
If arrive commutating period, then open the 3rd main valve (10), open the 4th main valve (11);
Close the 2nd main valve (9), close the 6th main valve (12);
Start the compressor of circulating fan (2) and evaporator (6);
Main program is returned in the end that once circulates of this direction.
7. by the control method of the described intelligent low-temperature grain storage robot control system(RCS) of claim 5, it is characterized in that: as carry out N row cycle detection, then call N row cycle detection subprogram and carry out N row cycle detection according to the following steps:
If there is not the overtemperature alarm signal, there is not the Automatic Cycle signal yet, then open the 1st main valve (8), close the 5th main valve (7);
Open the 2nd main valve (9), close the 3rd main valve (10);
Open the 6th main valve (12), close the 4th main valve (11);
Open N row air draught valves (4) and N row air blast valve (3);
Start the compressor of circulating fan (2) and evaporator (6);
Finish, return main program.
8. by the control method of the described intelligent low-temperature grain storage robot control system(RCS) of claim 5, it is characterized in that: as carry out Automatic Cycle and detect, then call Automatic Cycle detection subprogram and carry out the Automatic Cycle detection according to the following steps:
Judged whether the overtemperature alarm signal;
If there is not the overtemperature alarm signal, then rise and open the 1st main valve (8), close the 5th main valve (7);
Open the 2nd main valve (9), close the 3rd main valve (10);
Open the 6th main valve (12), close the 4th main valve (11);
Open N row air draught valves (4) and N row air blast valve (3);
Start the compressor of circulating fan (2) and evaporator (6);
Whether detect grain moisture content normal;
Like the low ten safe moisture content of grain moisture content, then open the 5th main valve (7), start humidifier (5) grain is added wet process;
Finish this time Automatic Cycle and detect, return main program.
9. by the control method of the described intelligent low-temperature grain storage robot control system(RCS) of claim 5, it is characterized in that: as carry out overtemperature alarm and detect, then call overtemperature alarm detection subprogram and carry out the overtemperature alarm detection according to the following steps:
Open the 1st main valve (8), close the 5th main valve (7);
Open the 2nd main valve (9), close the 3rd main valve (10);
Open the 6th main valve (12), close the 1st main valve (11);
Open row air draught valves (4) and row air blast valve (3);
Start the compressor of circulating fan (2) and evaporator (6);
Whether the temperature that detects storage space has the overtemperature alarm signal, if having, then goes to and opens row air blast valves (3) and air draught valve (4);
If there is not the overtemperature alarm signal, then finish this overtemperature alarm and detect, return main program.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1011163B (en) * | 1989-08-09 | 1991-01-09 | 中华人民共和国商业部粮食储运局 | Automatic ventilation-controlling system for stored grain |
| CN1808318A (en) * | 2005-11-28 | 2006-07-26 | 辽宁省粮食科学研究所 | Intelligent management control system and method for mechanical ventilation in grain storage |
| CN101156628A (en) * | 2007-11-21 | 2008-04-09 | 南京航空航天大学 | Low temperature storing grain method and system |
-
2009
- 2009-06-10 CN CN2009100119363A patent/CN101919330B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1011163B (en) * | 1989-08-09 | 1991-01-09 | 中华人民共和国商业部粮食储运局 | Automatic ventilation-controlling system for stored grain |
| CN1808318A (en) * | 2005-11-28 | 2006-07-26 | 辽宁省粮食科学研究所 | Intelligent management control system and method for mechanical ventilation in grain storage |
| CN101156628A (en) * | 2007-11-21 | 2008-04-09 | 南京航空航天大学 | Low temperature storing grain method and system |
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