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 PDF

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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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main valve
manifold
detection
branch
storage
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CN2009100119363A
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CN101919330A (en
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殷莉
王允良
王延龙
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王允良
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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

智能低温储粮自动控制系统及其控制方法 LOW TEMPERATURE STORAGE intelligent automatic control system and control method

技术领域 FIELD

[0001] 本发明涉及一种低温储粮技术,具体地说是一种智能低温储粮自动控制系统及其控制方法。 [0001] The present invention relates to a cryogenic grain storage technology, in particular to a smart LOW TEMPERATURE STORAGE automatic control system and a control method.

背景技术 Background technique

[0002] 随着社会的经济发展,科学技术水平和人民生活水平的不断提高,人们对高品质、 高营养的绿色食品的需求日益增加,粮食的绿色、环保储藏已被列为仓储工作的重要课题, 是世界粮食储藏的发展方向。 [0002] With the continuous improvement of social economic development, science and technology and people's living standards, the demand for high-quality, highly nutritious green food growing, green food, green storage warehouse work has been identified as an important topic is the development direction of the world's grain storage.

[0003] 低温储粮是现代粮食储藏行业“低消耗、低成本、低污染,高质量、高营养、高效益” 的可靠保证。 [0003] LOW TEMPERATURE STORAGE modern food storage industry, "low consumption, low cost, low pollution, high-quality, high-nutrition, high efficiency," a reliable guarantee. 在我国加入WTO以后,使粮食储藏行业在更大程度上融入全球化的大环境中, 提高储粮品质,降低储粮成本,保证储粮安全和保鲜程度,有利于提高我国粮食行业在国际粮食市场的竞争能力,有利于全国人民能吃上绿色、新鲜食品。 After China's accession to WTO, the food storage industry into the environment of globalization to a greater extent, improve the quality of grain storage, grain storage to reduce costs, ensure safe grain storage and preservation degree, will help improve China's grain industry in the international food competitiveness of the market, in favor of the National people eat green, fresh food.

[0004] 为了保证粮堆无虫,如果常温储粮,每年需要对储存的粮食进行药物防治,不计资金的消耗,药物残渣的处理,给社会环境造成很大的危害。 [0004] In order to ensure no insects heap of grain, grain storage at room temperature if required annually for the storage of food for drug prevention, excluding consumption funds, handling the drug residue, caused great harm to the social environment. 由于用于对粮食进行防治的化学药品品种匮乏,害虫对现有的药剂逐渐产生抗药性,反复熏蒸和滥用药物也逐渐给社会带来危害。 Since the chemicals used to prevent and treat a variety of food scarcity, gradually pests develop resistance to existing agents, repeated fumigation of drug abuse and gradually bring harm to society. 粮食常规储藏时,生虫霉变时有发生,常温下储粮随时间的延长和气温的升高,粮食的陈化速度加快,其营养品质损失严重。 When conventional food storage, have occurred mildew infestation, grain storage increased with the extension of time and temperature, speed up the aging rate of food at room temperature, its nutritional quality losses.

[0005] 改革开放以来,粮食行业在收购及储备过程中经常遇到如下问题:粮食收购过程中,不可能完全保证安全水份指标的控制,若按安全水分收购,很难找到足够的粮源。 [0005] Since the reform and opening up, the food industry is a problem often encountered in the acquisition and storage process: grain purchasing process, can not completely guarantee the safety of water control targets, if safe water by acquisition, it is difficult to find enough grain resources . 为完成收购任务,需要放宽粮食收购水分指标。 For the completion of the acquisition task, we need to relax grain purchases moisture index. 新收购的较高水分的粮食需要经晾晒或烘干处理,达到安全水分后,才可入仓安全储存。 Higher moisture food needs of the newly acquired by drying or drying, after reaching safe water, safe storage warehousing available. 晾晒或烘干过程产生的费用、损耗和对粮食保鲜程度的影响与使用该系统的就仓干燥功能去处理粮食中的较高水分的方法相比较,都有较大程度差距。 Charges generated during drying or drying, the degree of loss and a method of food preservation with impact on the cartridge using a drying function of the system to handle high moisture grain compared have a greater degree of disparity. 而且低温储粮可以适当放宽粮食的水分指标,以保证粮食的新鲜程度;在15°C以下环境储存的粮食,避免了储粮害虫的生长繁育,省略了对粮食的化学药品防治。 Stored grain can be relaxed and low grain moisture index, in order to ensure the freshness of the food; at below 15 ° C ambient storage of the food, to avoid the growth of grain pests breeding are omitted chemical prevention of food. 目前,可满足前述要求的储粮系统尚未见报道。 Currently, the grain storage system to meet the foregoing requirements have not been reported.

发明内容 SUMMARY

[0006] 针对现有技术中粮食仓储系统存在的上述诸多不足之处,本发明要解决的技术问题是提供一种可实现“绿色仓储”的智能低温储粮自动控制系统及其控制方法。 [0006] For many of the above deficiencies in the prior art food storage systems, the present invention is to solve the technical problem is to provide a "green storage" smart low-temperature grain storage automatic control system and control method.

[0007] 为解决上述技术问题,本发明采用的技术方案是: [0007] To solve the above technical problem, the technical solution adopted by the invention are:

[0008] 本发明智能低温储粮自控系统具有多个立体通风管,竖直设于粮仓内部储藏空间,立体通风支管分为多组鼓风和吸风互换使用的第一支管和第二支管,其中第一支管分别通过第一歧管、第一总管与循环风机的出风口相连;第二支管分别通过第二歧管、第二总管与循环风机的进风口相连;鼓风总管与吸风总管之间设有通过风阀对第一支管和第二支管进行风向换向控制的第一、二联通管,上述第一支管、第二支管、第一歧管、第二歧管、第一总管以及第二总管上均设有与控制装置相连的电动风阀。 [0008] LOW TEMPERATURE STORAGE intelligent automatic control system of the present invention having a plurality of three-dimensional vent tube, the vertical storage space is provided inside the barn, perspective vent manifolds blowing into groups and a first suction branch pipe used interchangeably and second branch wherein the first branch pipe through the first manifold, the first manifold and the outlet is connected to the circulation fan; second branch respectively via a second manifold, a second manifold and the inlet connected to the circulation fan; blast and suction manifold damper is provided between the manifold through the first branch pipe and the second pipe branch to control a first direction change, two crossover line, said first branch pipe, a second branch, a first manifold, a second manifold, a first the manifold and a second manifold connected to each damper is provided with an electric control device.

4[0009] 所述多组第一支管和第二支管在储藏空间内以列为单位单列相间布置,形成由单列独立控制的多组通风管构成的立体通风管网;所述第一总管上并联设有制冷蒸发器及加湿器;所述粮仓内部储藏粮食的上面设有密闭的保温密封层,其为在保温密闭塑料薄膜的中间装有保温材料,塑料保温密封膜紧密粘贴在粮仓的内墙壁上;保温密封层上设有扦样孔以及局部粮情处理风管备用插孔。 4 [0009] The plurality of sets of first and second branch pipe manifold as a unit in a separate phase within the storage space is arranged, forming a perspective ductwork made of a plurality of sets of independently controlled single vent tube; the first manifold evaporator and is provided in parallel to the humidifier; hermetic insulation seal layer is provided inside grain storage silos of the above, which is provided with insulation material in the intermediate heat sealed plastic film, a plastic film is tightly attached to the heat sealing of the barn walls; sealing layer provided on the insulation aperture for sampling and processing local grain situation duct spare jack.

[0010] 本发明一种智能低温储粮自控系统的控制方法包括以下步骤: [0010] LOW TEMPERATURE STORAGE method for controlling an intelligent automatic control system of the present invention comprises the steps of:

[0011] 开始,判断控制装置中的主控制元件是否通过自诊断; [0011] started, the main control unit determines whether the element is controlled by the self-diagnosis;

[0012] 如通过,则判断是否进行超温报警检测; [0012] The through, it is determined whether the over-temperature alarm detection;

[0013] 如不进行超温报警检测,则判断是否进行自动循环检测; [0013] The over-temperature alarm detection is not performed, it is determined whether the automatic detection cycle;

[0014] 如不进行自动循环检测,则判断是否进行多组第一支管和第二支管的N列循环通风检测,其中N为自然数; [0014] The automatic cycle is not detected, it is determined whether a plurality of sets of the first branch pipe and the second branch pipe to circulate ventilation detecting N, where N is a natural number;

[0015] 如不进行N列循环通风检测,则判断是否进行多组第一支管和第二支管的换向循环通风检测; [0015] The N columns without ventilation cycle detection, it is determined whether a plurality of sets of the first and second manifold branch exchange pipe loop to detect ventilation;

[0016] 如不进行换向循环通风检测,则进行温度检测; [0016] The detection of the cycle without changing the ventilation, the temperature detection;

[0017] 输出检测结果,结束一次循环控制过程。 [0017] outputs a detection result, the end of a cycle control process.

[0018] 如果进行换向循环通风检测,则调用换向循环子程序按以下步骤执行换向循环通风: [0018] If a change is detected to the circulation ventilation change subroutine is called commutation loop ventilation cycle to the following steps:

[0019] 设定换向时间,并判断该时间是否到; [0019] commutation time is set, and determines whether the time to;

[0020] 如没到,开启第2主阀门,开启第6主阀门; [0020] If not to open the second main valve opening the main valve 6;

[0021] 关闭第3主阀门,关闭第4主阀门; [0021] close the first main valve 3, fourth main valve closed;

[0022] 启动循环风机及蒸发器的压缩机; [0022] start the circulation fan and an evaporator of a compressor;

[0023] 该方向一次循环结束; [0023] The direction of the end of one cycle;

[0024] 如果换向时间到,则开启第3主阀门,开启第4主阀门; [0024] If the commutation time, the opening of the main valve 3, fourth main valve open;

[0025] 关闭第2主阀门,关闭第6主阀门; [0025] close the second main valve, close the first main valve 6;

[0026] 启动循环风机及蒸发器的压缩机; [0026] start the circulation fan and an evaporator of a compressor;

[0027] 该方向一次循环结束,返回主程序。 [0027] The direction of the end of the first cycle, return to the main routine.

[0028] 如进行N列循环检测,则调用N列循环检测子程序按以下步骤执行N列循环检测: [0028] The loop detection by N columns, the N column cycle detection subroutine call execution cycle detection and N columns as follows:

[0029] 如果没有超温报警信号,也没有自动循环信号,则开启第1主阀门,关闭第5主阀门; [0029] If there is no over-temperature alarm, there is no automatic cycle signal, a first main valve is turned on, close the first main valve 5;

[0030] 开启第2主阀门,关闭第3主阀门; [0030] The second main valve opening, the third main valve closed;

[0031] 开启第6主阀门,关闭第4主阀门; [0031] The main valve 6 open, close the first main valve 4;

[0032] 开启N列吸风阀和N列鼓风阀; [0032] Open columns N and N columns blast absorbing damper valve;

[0033] 启动循环风机及蒸发器的压缩机; [0033] start the circulation fan and an evaporator of a compressor;

[0034] 结束,返回主程序。 [0034] the end, return to the main program.

[0035] 如进行自动循环检测,则调用自动循环检测子程序按以下步骤执行自动循环检测: [0035] The automatic loop detection, automatic cycle detection subroutine is called to perform automatic detection cycle following steps:

[0036] 判断是否有超温报警信号; [0036] It is determined whether a temperature alarm signal;

[0037] 如果没有超温报警信号,则开启第1主阀门,关闭第5主阀门; [0037] If there is no over-temperature alarm signal, a first main valve is turned on, close the first main valve 5;

[0038] 开启第2主阀门,关闭第3主阀门;[0039] 开启第6主阀门,关闭第4主阀门; [0038] The second main valve opening, the third main valve closed; [0039] opening of the main valve 6, the fourth main valve closed;

[0040] 开启N列吸风阀和N列鼓风阀; [0040] Open columns N and N columns blast absorbing damper valve;

[0041] 启动循环风机及蒸发器的压缩机; [0041] start the circulation fan and an evaporator of a compressor;

[0042] 检测粮食水份是否正常; [0042] Grain moisture detector is normal;

[0043] 如粮食水份低于安全水份,则开启第5主阀门,启动加湿器对粮食进行加湿处理; [0043] The moisture food security below water, the opening of the main valve 5, start the humidifier to humidify food;

[0044] 结束该次自动循环检测,返回主程序。 [0044] detecting the end of the automatic cycle times, return to the main routine.

[0045] 如进行超温报警检测,则调用超温报警检测子程序按以下步骤执行超温报警检测: [0045] As for over-temperature alarm detection, temperature alarm detection is called over-temperature alarm detection routine performs the following steps:

[0046] 开启第1主阀门,关闭第5主阀门; [0046] The first main valve is turned on, close the first main valve 5;

[0047] 开启第2主阀门,关闭第3主阀门; [0047] The second main valve opening, the third main valve closed;

[0048] 开启第6主阀门,关闭第4主阀门; [0048] The main valve 6 open, close the first main valve 4;

[0049] 开启列吸风阀和列鼓风阀; [0049] The column suction valve, and the open columns blast valve;

[0050] 启动循环风机及蒸发器的压缩机; [0050] start the circulation fan and an evaporator of a compressor;

[0051] 检测储藏空间的温度是否有超温报警信号,如果有,则转至开启列鼓风阀和吸风阀; [0051] The temperature detecting whether there is storage space temperature alarm signal, if any, to the open valve and the suction blower damper column;

[0052] 如果没有超温报警信号,则结束此次超温报警检测,返回主程序。 [0052] If there is no over-temperature alarm, then the end of the over-temperature alarm detection, return to the main routine.

[0053] 本发明具有以下有益效果及优点: [0053] The present invention has the following advantages and beneficial effects:

[0054] 1.保证储粮质量,节约资金和能源。 [0054] 1. To ensure the quality of stored grain, save money and energy. 本发明通过粮仓内部通风管路的排布,在控制装置的操控下使粮仓内部立体换向通风,利用自然条件对粮堆的温度、湿度等实施科学控制,可节省晾晒费、保管费,减少粮食保管损耗;在储藏到期出库时,粮食保鲜程度高,品质损失小。 The present invention, through the internal vent line arrangement barn, granary perspective internal control means under control of commutation ventilation by natural conditions of the grain bulk temperature and humidity control SCIENCES embodiment, drying can save costs, storage, reducing food storage losses; when the library storage expires, a high degree of fresh food, little quality loss.

[0055] 2.实现了“绿色仓储”。 [0055] 2. to achieve a "green storage." 由于本发明实施低温储粮,极大地抑制了储粮害虫和微生物的生长繁育,冷空气在膜下循环,粮食与外界隔绝,避免了储粮害虫的交叉感染,粮食不与熏蒸药剂接触,达到了绿色仓储的目的。 Since the embodiment of the present invention is LOW TEMPERATURE STORAGE greatly inhibit the growth of microorganisms and pests of stored grain breeding, cool air circulation in the film, food and isolated, to avoid cross-contamination of grain pests, fumigation of grain is not in contact with the agent, to the purpose of the green storage.

[0056] 3.保证防治人员的安全与健康。 [0056] 3. ensure the safety and health prevention personnel. 本发明因实现了“绿色仓储”,避免了熏蒸时密闭仓房所需要的材料物资费用如防毒面具及用品费用。 The present invention because to achieve a "green storage" to avoid the cost of materials and supplies warehouse sealed fumigation needed supplies such as gas masks and expenses. 更重要的是避免防治人员与有毒的熏蒸药剂的接触,保证了防治人员的安全与健康。 More importantly, avoid contact with fumigation with toxic agents control personnel to ensure the safety and health prevention personnel.

[0057] 4.减少劳动强度,操作简单。 [0057] 4. to reduce the labor intensity, simple operation. 使用本发明的粮仓无需对粮食实施凉晒、施药等大量的工作,极大地减少了劳动强度及费用,控制装置部分经简单的培训后,一般人员即可操作。 Granary present invention is used for food without Liangshai embodiment, administration lot of work, which greatly reduces the cost and labor intensity, the control device section after simple training personnel to operate generally.

附图说明 BRIEF DESCRIPTION

[0058] 图1为本发明正向通风时通风管路的总体结构示意图; The overall schematic view of the vent line structure [0058] FIG 1 positive ventilation of the present invention;

[0059] 图2为本发明换向通风时通风管路的总体结构示意图; [0059] Fig 2 a schematic view of the transducer of the overall structure of the vent line when the ventilation of the present invention;

[0060] 图3为本发明房式仓中立体通风支管排列示意图; [0060] 3-room bin vent manifold perspective schematic arrangement of the present invention;

[0061] 图4为本发明控制装置结构框图; [0061] Figure 4 a block diagram showing a control apparatus of the present invention;

[0062] 图5为本发明方法控制流程图; [0062] FIG. 5 a flow chart of a control method of the invention;

[0063] 图6为本发明方法中换向控制循环流程图; Method [0063] FIG. 6 is a flow diagram of a change in the disclosure control cycle;

[0064] 图7为本发明方法中列循环检测流程图;[0065] 图8为本发明方法中自动循环流程图; Method [0064] Figure 7 is a flowchart of the detection circulate invention; automatic circulation process flowchart [0065] FIG. 8 of the present invention;

[0066] 图9为本发明方法中超温报警检测流程图。 [0066] FIG. 9 of the present invention is a method flowchart for detecting ultra-temperature alarm.

具体实施方式 Detailed ways

[0067] 本实施例以房式仓为例。 [0067] In this embodiment, the cartridge housing formula Example. 如图1〜3所示,本发明具有多个立体通风支管,竖直设于粮仓1内部储藏空间,立体通风支管分为多组鼓风和吸风互换使用的第一支管19和第二支管20,其中第一支管19分别通过第一歧管13、第一总管15与循环风机2的出风口相连; 第二通风管20分别通过第二歧管14、第二总管16与循环风机2的进风口相连;第一总管15与第二总管16之间设有通过风阀对第一支管19和第二支管20进行风向换向控制的第一、二联通管17、18 ;上述第一支管19、第二支管20、第一歧管13、第二歧管14、第一总管15 以及第二总管16上均设有与控制装置相连的各个主阀门,其中第2、第3、第4及第6主阀门9、10、11、12与第一连通管17及第二联通管18互相配合,在控制装置的作用下实现换向通风功能。 As shown, the present invention has a plurality of vent manifold 1~3 perspective, vertical silos 1 is provided inside the storage space, three-dimensional manifolds vent blowing into groups and a first suction branch pipe 19 and the second used interchangeably manifolds 20, wherein the first branch pipe 19 through the first manifold 13, first manifold 15 and the circulation fan 2 is connected to the outlet; and a second vent pipe 20 respectively through the second manifold 14, second manifold 16 and the circulating fan 2 the inlet is connected; provided by the first damper 19 and the second branch 20 branch direction reversing the first and second control link 17, 18 between the first tube 15 and the second manifold manifold 16; the first manifold 19, second manifold 20, the first manifold 13, second manifold 14, the first manifold 15 and second manifold 16 are provided with respective main valve connected to the control device, wherein the second, third, 4 and 6 of the main valve 9, 10 of the first communicating pipe 17 and the second communicating pipe 18 with each other to achieve commutation functions under the action of the ventilation control means.

[0068] 多组第一支管19和第二支管20在储藏空间内以组为单位单列相间布置,形成由多组独立控制的通风管组构成的立体通风管网;其中N列吸风阀4和N列鼓风阀3是多组歧管的单组(列)控制风阀,每仓设30个左右,控制单组(列)通风。 [0068] The plurality of sets of the first manifold 19 and second manifold 20 within the storage space and white single unit of a group are arranged to form a three-dimensional network formed of a vent pipe plurality of sets of independently controlled ventilation tube group; wherein the N columns suction damper 4 and N columns blast valve 3 is a single set of a plurality of sets (columns) of the manifold control damper, disposed about each of the cartridge 30, the control unit group (column) ventilation. 在第一总管15上并联设有蒸发器6及加湿器5。 Parallel to the first manifold 15 is provided with the humidifier 5 and the evaporator 6.

[0069] 粮仓1内部储藏粮食的上面设有密闭的保温密封层,其为在保温密闭塑料薄膜的中间装有保温材料,塑料保温密封膜紧密粘贴在粮仓1的内墙壁上;保温密封层上设有扦样孔以及局部粮情处理风管备用插孔;保温材料为稻壳及PEF(高压聚乙烯)等专用保温材料。 [0069] The above inside grain storage silos 1 is provided with hermetic sealing of the insulation layer, which insulation material is provided with an intermediate heat sealed in plastic film, a plastic insulating sealing film intimately attached to the inner wall of the barn 1; sealing layer on the insulation hole is provided for sampling and processing local grain situation duct spare jack; rice husk and the PEF insulation material (high pressure polyethylene) and other special insulation material. 上述保温结构形成膜下循环通风系统。 Cyclic structure is formed above the insulation film ventilation system.

[0070] 蒸发器6除降低粮温外,还可将水份偏高的粮食水份缓慢释出,逐渐达到安全水份,实现就仓干燥的目的。 [0070] In addition to reducing the evaporator 6 grain temperature, but also high moisture food will release moisture slowly and gradually reach the safety of water, to achieve the purpose of drying the cartridge. 粮食即将出库时,低于安全水分,可开动加湿器5,使低于安全水份的粮食,逐渐加湿保鲜。 When the food is about the library, below the safe water, 5 humidifier can be switched on, so that food security is lower than the water gradually humidification preservation.

[0071] 本实施例中,第一支管19和第二支管20采用直径为38mm的不锈钢管,1. 5米一节,两管之间采用不锈钢管自身压制的内外螺丝扣接头,循环风机2采用D692645-4. 3A型号,功率为4KW ;第一歧管13、第二歧管14、第一总管15及第二总管16采用具有足够强度具密封良好的优质塑料管。 [0071] In this embodiment, the first branch pipe 19 and the second branch pipe 20 of stainless steel tube with a diameter of 38mm, 1.5 m section, the pressed stainless steel tube itself inside and outside the joint between the two turnbuckle, circulating fan 2 model using D692645-4 3A, power is 4KW;. a first manifold 13, second manifold 14, a first manifold 15 and second manifold 16 has a sufficiently high quality plastic tube with a good seal strength. 第一支管19和第二支管20上设有开孔,水稻和小麦等小颗粒粮食通风管的开孔为1. 9mmX10mm ;玉米和大豆等大颗粒粮食通风管的开孔为2. 2mmX10mm ; 立体通风管的上下层开孔率根据不同粮食品种、鼓风、吸风的需要而定,上下层通风管分别采用6列开孔、8列开孔和9列开孔。 A first branch and a second branch pipe 19 on the opening 20 of the vent tube of small apertures food, rice and wheat and other particles 1. 9mmX10mm; vent opening large particles of food corn and soybeans is 2. 2mmX10mm; stereoscopic on the lower vent tube opening rate according to the needs of different grain varieties, blowing, suction, and the lower vent tube openings 6 respectively, the openings 8 and 9 openings. 开孔率(面积比率)在15% -25%之间按层选择。 The opening ratio (area ratio) between 15% -25% by selected layer.

[0072] 所述多组第一支管19和第二支管20通过第一、二联通管17、18及各主阀门的控制,各类仓型能够根据需要实现前后、左右、上下的换向通风。 [0072] The plurality of sets of first and second branch pipe 19 through the first branch pipe 20, 17 and 18 and each of the main control valve Unicom two tubes, various types of cartridge type can be implemented in accordance with required front, left, upper and lower reversing ventilation . (房式仓和立筒仓的上下换向通风是利用原有地上笼与粮面以下3米吸风管组合而成的鼓吸风回路实现的。) (WAREHOUSE and vertical silo is ventilated by the drum reversing the original surface of the cage on the grain suction duct 3 m suction combination circuit implementation.)

[0073] 如图4所示,本发明的控制装置采用上位机及下位机配合控制,上位机作为管理层,通过数传电台与下位机进行无线通讯,可以实现对实时数据的显示及参数设置、报表打印等功能;下位机以PLC作为控制核心,其输入端连接各类现场传感器,包括温度传感器、 湿度传感器以及压力传感器的变送器,输出端接有循环风机2及其变频器、各主阀门以及蒸发器6中的压缩机,PLC内部存有智能低温储粮自动控制程序。 [0073] As shown in FIG. 4, the control apparatus of the present invention employ the PC and the lower machine with the control, as a management PC, wirelessly communicating with the lower machine data radio, and can achieve the display of real-time data parameters , report printing; lower machine to PLC as the control, an input terminal connected to various types of field sensors, the transmitter comprising a temperature sensor, a humidity sensor and a pressure sensor, output end 2, and has circulation fan drive, each 6 the main valve in the compressor and an evaporator, an internal PLC lOW TEMPERATURE STORAGE there intelligent automatic control program.

7[0074] 工业控制机软件根据现场温度、风压的反馈信号的分析,实现了计算机对整个粮食仓库内储藏粮食的情况自动地进行检测、分析和处理。 7 [0074] Industrial software control feedback signal based on an analysis of the scene temperature, the pressure, to achieve the detection, analysis and processing computer for automatic storage of grain in the case of whole grain storage.

[0075] 如图5所示,本发明自动控制方法通过以下步骤实现: [0075] As shown in FIG 5, the automatic control method of the present invention is achieved by the following steps:

[0076] 开始,判断控制装置中的主控制元件是否通过自诊断; [0076] started, the main control unit determines whether the element is controlled by the self-diagnosis;

[0077] 如通过,则判断是否进行超温报警检测; [0077] The through, it is determined whether the over-temperature alarm detection;

[0078] 如不进行超温报警检测,则判断是否进行自动循环检测; [0078] The over-temperature alarm detection is not performed, it is determined whether the automatic detection cycle;

[0079] 如不进行自动循环检测,则判断是否进行多组第一支管19和第二支管20的N列循环通风检测,其中N为自然数; [0079] The automatic cycle is not detected, it is determined whether a plurality of sets of the first branch and a second branch pipe 20 N columns circulation vent tube 19 is detected, where N is a natural number;

[0080] 如不进行N列循环通风检测,则判断是否进行多组第一支管19和第二支管20的换向循环通风检测; [0080] The ventilation cycle is not detected by N columns, it is determined whether the plurality of sets of a first and a second branch pipe 19 branched cyclic change detecting the vent tube 20;

[0081] 如不进行换向循环通风检测,则进行温度检测; [0081] The detection of the cycle without changing the ventilation, the temperature detection;

[0082] 输出检测结果,结束一次循环控制过程。 [0082] outputs a detection result, the end of a cycle control process.

[0083] 如图6所示,第一支管19和第二支管20的换向循环过程如下: [0083] shown in Figure 6, the first branch 19 and second branch transducer 20 follows the cycle:

[0084] 如果进行换向循环通风检测,则调用换向循环子程序按以下步骤执行换向循环通风: [0084] If a change is detected to the circulation ventilation change subroutine is called commutation loop ventilation cycle to the following steps:

[0085] 设定换向时间,并判断该时间是否到; [0085] commutation time is set, and determines whether the time to;

[0086] 如没到,开启第2主阀门9,开启第6主阀门12 ; [0086] If not to open the main valve 9 the second, the sixth opening main valve 12;

[0087] 关闭第3主阀门10,关闭第4主阀门11 ; [0087] The main valve 10 to close the third, the fourth main valve 11 closed;

[0088] 启动循环风机2及蒸发器6的压缩机; [0088] start the circulation fan 2 and the compressor 6, an evaporator;

[0089] 该方向一次循环结束; [0089] The direction of the end of one cycle;

[0090] 如果换向时间到,则开启第3主阀门10,开启第4主阀门11 ; [0090] If the commutation time, the opening of the third main valve 10, the fourth main valve 11 open;

[0091] 关闭第2主阀门9,关闭第6主阀门12 ; [0091] 9 to close the second main valve, close the first main valve 12 6;

[0092] 启动循环风机2及蒸发器6的压缩机; [0092] start the circulation fan 2 and the compressor 6, an evaporator;

[0093] 该方向一次循环结束,返回主程序。 [0093] The direction of the end of the first cycle, return to the main routine.

[0094] 换向时间可根据现场温度值的高低,在上位机程序上进行设定,一般设置在半小时至一小时左右,以达到提高效率的目的。 [0094] The transducer may be of the low temperature field, set the program in the host computer time, usually disposed half an hour to an hour, in order to achieve greater efficiency.

[0095] 如图7所示,N列循环检测过程如下: [0095] 7, N columns loop detection process is as follows:

[0096] 如果没有超温报警信号,也没有自动循环信号,则开启第1主阀门8,关闭第5主阀门7; [0096] If there is no over-temperature alarm, there is no automatic cycle signal, a first main valve 8 open, close the first main valve 5 7;

[0097] 开启第2主阀门9,关闭第3主阀门10; [0097] The second main valve 9 open, the third main valve 10 closed;

[0098] 开启第6主阀门12,关闭第4主阀门11 ; [0098] 6 main valve 12 open, turn off the fourth main valve 11;

[0099] 开启N列吸风阀4禾Π N列鼓风阀3 ; [0099] Open absorbing damper 4 N columns and N columns Wo [pi blast valve 3;

[0100] 启动循环风机2及蒸发器6的压缩机; [0100] start the circulation fan 2 and the compressor 6, an evaporator;

[0101] 结束,返回主程序。 [0101] the end, return to the main program.

[0102] 如图8所示,自动循环检测过程如下: [0102] As shown in FIG. 8, the automatic loop detection process is as follows:

[0103] 如进行自动循环检测,则调用自动循环检测子程序按以下步骤执行自动循环检测: [0103] The automatic loop detection, automatic cycle detection subroutine is called to perform automatic detection cycle following steps:

[0104] 判断是否有超温报警信号; [0104] It is determined whether a temperature alarm signal;

[0105] 如果没有超温报警信号,则开启第1主阀门8,关闭第5主阀门7 ;[0106] 开启第2主阀门9,关闭第3主阀门10; [0105] If there is no over-temperature alarm, then the opening of the first main valve 8 to close the main valve 7 5; [0106] Open the second main valve 9, the third main valve 10 closed;

[0107] 开启第6主阀门12,关闭第4主阀门11 ; [0107] 6 main valve 12 open, turn off the fourth main valve 11;

[0108] 开启N列吸风阀4禾Π N列鼓风阀3 ; [0108] Open absorbing damper 4 N columns and N columns Wo [pi blast valve 3;

[0109] 启动循环风机2及蒸发器6的压缩机; [0109] start the circulation fan 2 and the compressor 6, an evaporator;

[0110] 检测粮食水份是否正常; [0110] Grain moisture detector is normal;

[0111] 如粮食水份低于安全水份,则开启第5主阀门7,启动加湿器5对粮食进行加湿处理; [0111] The safety of food is lower than the water moisture, then open the main valve 5, 7, 5 start the humidifier to humidify food;

[0112] 结束该次自动循环检测,返回主程序。 [0112] detection of the end of the cycle times automatically returns to the main routine.

[0113] 如图9所示,超温报警检测过程如下: [0113] 9, over-temperature alarm detection process is as follows:

[0114] 如进行超温报警检测,则调用超温报警检测子程序按以下步骤执行超温报警检测: [0114] As for over-temperature alarm detection, temperature alarm detection is called over-temperature alarm detection routine performs the following steps:

[0115] 开启第1主阀门8,关闭第5主阀门7 ; [0115] The first main valve 8 open, close the first main valve 5 7;

[0116] 开启第2主阀门9,关闭第3主阀门10; [0116] The second main valve 9 open, the third main valve 10 closed;

[0117] 开启第6主阀门12,关闭第4主阀门11 ; [0117] 6 main valve 12 open, turn off the fourth main valve 11;

[0118] 开启列吸风阀4和列鼓风阀3 ; [0118] Open absorbing dampers column 4 and column 3 blast valve;

[0119] 启动循环风机2及蒸发器6的压缩机; [0119] start the circulation fan 2 and the compressor 6, an evaporator;

[0120] 检测储藏空间的温度是否有超温报警信号,如果有,则转至开启列鼓风阀3和吸风阀4; Whether the temperature of [0120] detecting the storage space over-temperature alarm, if there is, then the column to the open valve 3 and the suction blower dampers 4;

[0121] 如果没有超温报警信号,则结束此次超温报警检测,返回主程序。 [0121] If there is no over-temperature alarm, then the end of the over-temperature alarm detection, return to the main routine.

[0122] 本实施例中,根据预先设置的顺序打开主阀门,开启1-5列第一支管19鼓风阀3 及1-5列第二支管20吸风阀4,运行到设定时间后,再打开相同数量的鼓风阀及吸风阀,相继关闭上次运行的鼓风阀及吸风阀,如此周而复始地循环进行。 [0122] In this embodiment, the main valve is opened according to an order set in advance, the first branch 19 open columns 1-5 blast pipe valve 3 and the second branch 20 columns 1-5 pipette damper 4, the operation set time , then open the valve and the same amount of blast absorbing damper, the blowing valve is closed last run successively and the suction air valve, so the cycle to cycle. 系统若遇温度报警信号时, 首先处理报警区域的温度。 In case the system temperature alarm, temperature alarm first processing zone. 上位机根据系统的温度报警信号,发出指令,把报警区域内的鼓风阀、吸风阀打开。 The temperature alarm signal the host computer system, instructs the blow valve in the alarm area, the suction air valve is opened. 一般报警温度设在14°C,通风时间在PLC程序上设置。 Alarm temperature is generally provided in the 14 ° C, aeration time is provided in the PLC program. 风压控制是根据压力传感器的反馈信号,控制变频器变频,以控制循环风机转数来实现。 Pressure control is based on a feedback signal of the pressure sensor, controls the frequency inverter to control the fan speed to achieve the number of cycles.

[0123] 本实施例中,低温储粮自动控制系统利用8KW的功率(系统合计功率,包括循环风机配用电机、制冷蒸发器压缩机配用电机、检测控制系统),在我国东北地区冬季利用自然低温的条件充分鼓风降温的条件下,可使5000-6000吨的粮仓保证在15°C以下安全、保鲜地度夏;粮食在春季入仓时水分偏,大致在16. 5%左右,较高水分粮食的就仓干燥,7月初开机,10月初停机,粮食安全度夏,保鲜程度良好,无储粮害虫危害发生。 [0123] In this embodiment, the automatic control system using cryogenic grain storage 8KW power (total power system, comprising a circulation fan with motor, compressor refrigeration evaporator equipped with a motor, measurement and control system), and winter use in northeast China under natural low temperature conditions sufficiently cool blast, 5000-6000 ton silos can ensure safety at below 15 ° C, the fresh summer; grain moisture in the spring biasing warehousing, roughly 16.5%, STORE higher moisture grain drying, early July start, shut down in early October, the summer food security, good degree of preservation, no stored grain pests occur. 粮食储藏过程中的适量调质得以实现。 The amount of quenched and tempered grain storage process can be achieved.

[0124] 本发明系统及方法特别适用于较长期存储的粮仓。 [0124] The system and method of the present invention is particularly suitable for longer term storage silos. 利用冬季自然气候的条件,将仓内粮食鼓风冷却至零下10°c左右,转暖前做好密封保温工作,这是小型节能制冷设备保证粮食夏季低温的充分必要条件。 Using natural winter weather conditions, the left and right positions within the grain blowing cooled to minus 10 ° c, good sealing before warming insulation work, which is compact energy saving refrigeration equipment to ensure necessary and sufficient conditions for food summer low temperature.

[0125] 制冷蒸发器6除降低粮温外,还可将水份偏高的粮食水份缓慢释出,逐渐达到安全水份。 [0125] In addition to reducing the refrigeration evaporator 6 grain temperature, but also the high moisture grain moisture slowly released gradually achieve safe water. 实现就仓干燥的目的,经取样化验,粮食水分低于安全水分时,可开动加湿器5,使低于安全水份的粮食,逐渐加湿保鲜。 To achieve the purpose of drying the cartridge, the sampled test, when the grain moisture is less than the safe moisture, the humidifier 5 can be switched on, so that the food, preservation and gradually below the safety humidified moisture.

[0126] 本发明是以膜下循环通风为基础,在夏秋季节温度较高时,利用设备中的通风设备即循环风机2,通过多排(列)冲有多排1.9mmX IOmm长方形通气孔的第一通风管19 (或 [0126] The present invention is based on the film at the ventilation cycle, during the summer season, a higher temperature, the use of ventilation devices, i.e., circulating fan 2 via a plurality of rows (columns) 1.9mmX IOmm red plurality of rows of rectangular vents a first vent pipe 19 (or

9第二通风管20),将粮堆内的热空气吸出,经过系统中的制冷蒸发器6将其冷却,再利用另外一组多排(列)第二支管20 (或第一支管19),由循环风机2将冷空气鼓入已被薄膜及压盖材料隔热密闭的粮堆。 9 second vent tube 20), the hot air in the grain bulk sucked out, through the system in the refrigeration evaporator 6 is cooled, and then using another set of a plurality of rows (columns) of the second branch pipe 20 (or the first branch pipe 19) by cold air circulating fan 2 was bubbled into the gland material and heat sealed film grain heap. 同时温度检测装置发回温度数据,经RS232串口送入计算机, 智能分析软件和通风控制硬件(包括计算机、现场PLC (可编程控制器)以及各单列通风管上的电动风阀),对冷热空气交换的循环通风过程进行自动分析控制,最终使粮仓内粮堆温度始终保持在15°C以下(低温储藏温度控制要求)或20°C以下(准低温储藏温度控制要求),抑制储粮害虫生长繁育及微生物活动,用较小功率实现对粮仓的粮食保鲜储藏和安全渡夏,在使用该设备的同时,通过粮堆内部的冷热空气循环(利用冷热空气绝对湿度的不同),可使粮食水份在制冷蒸发器6处缓慢释出,从而达到就仓干燥的目的。 Temperature detecting means while the temperature data back, into the computer via the RS232 serial interface, intelligent software and ventilation control hardware (including a computer, a field PLC (Programmable Logic Controller) and the electric damper on each separate vent), hot and cold circulating ventilation air exchange for automatic process control analysis, the final grain silos inner stack temperature is always maintained at below 15 ° C (low temperature storage control requirements) or below 20 ° C (low temperature storage temperature control registration request), inhibition of grain pests growth and breeding microbial activity, to achieve preservation of food storage and safe transition to summer granary with less power, while using the apparatus, hot and cold air circulating through the interior of the grain mass (using hot and cold air absolute humidity difference), can be grain moisture released slowly so that the refrigerant at the evaporator 6, so as to achieve the purpose of drying cartridge.

[0127] 本实施例中,单列通风管得到独立控制,并由多组独立控制的通风管组组成立体通风管网。 [0127] In this embodiment, a separate vent tube be independently controlled by a plurality of sets of independently controlled ventilation tube group consisting perspective ductwork. 由于单列控制的实现,使得1260m2的大粮仓被分成30多个小面积去分批处理, 加之换向通风,避免了高大平房仓冷心热皮现象的发生,特别是换向通风使得粮仓内的“冷芯”得到能源利用,且计算机调质更容易实现。 Since separate control to achieve such a large barn 1260m2 30 is divided into a plurality of small area to a batch process, together with the commutation ventilation to prevent the occurrence of heart Large Warehouse cold thermal peeling phenomenon, in particular such that the commutation ventilated barn "cold" energy obtained and the computer easier to achieve quenching.

[0128] 本发明可以节省大量的仓储费用。 [0128] The present invention can save a lot of storage costs. 以储存5000吨水稻仓房、储存期两年进行轮换为例: To save 5000 tons of rice barns, storage period of two years be rotated as an example:

[0129] 1.可节省的晾晒费用: [0129] 1. drying cost savings:

[0130] 晾晒至安全水份,至少需两次人工搬捣。 [0130] Drying to a safe moisture transfer take at least two manual trace. 由于劳动力成本高,再加上电费、苫布、机械折旧、各种资材消耗、物料用品、保管化验费用等,据测算每吨需30元,计15万元。 Due to the high labor costs, plus electricity, tarpaulin, machinery depreciation, consumption of a variety of materials, material supplies, keeping testing costs, according to estimates to be 30 yuan per ton, total $ 150,000.

[0131] 2.可节省的晾晒非水份减量损耗: [0131] 2. The savings in non-water drying loss reduction:

[0132] 在晾晒过程中,由于晾晒场地粮食翻捣,机械碾轧,部分粮粒已成粉末,失去食用价值;再加上风吹雨淋等其它原因,不能全部归仓,损失可达千分之二。 [0132] In the drying process, due to the dry food venues turn pound, mechanical grinding mill, has become part of the food grain powder, loss of food value; coupled with wind and rain and other other reasons, can not be fully normalized position, the loss of up to 1000 points of two. 按每吨2000元计算,计损失2万元。 Calculated 2000 yuan per ton, total loss of 20,000 yuan.

[0133] 3.可节省的晾晒后的品质损失: [0133] 3. The savings in the drying loss of quality:

[0134] 晾晒的水稻,由于阳光爆晒产生大量的爆腰粒,在加工过程中,加工难度大,整精米率低,碎米多。 [0134] drying of the rice, since a large amount of direct sunlight or insolation fissuring particles, in the process, and difficult to process, low milled rice, Cardamine more. 出米率将降低2% (附产物碎米、稻糠将相应增加2%),将减少大米产量70吨,增加附产品70吨,相抵后将损失14万元。 The rice yield by 2% (the byproduct broken rice, rice bran will increase 2%), to reduce rice production 70 tons, 70 tons-product increases, losses will balance 140,000 yuan.

[0135] 4.可减少防治费: [0135] 4. Prevention costs can be reduced:

[0136] 由于本发明储粮的低温性能,极大地抑制了储粮害虫和微生物的生长繁育,冷空气在膜下循环,粮食与外界隔绝,避免了储粮害虫的交叉感染,因而节省了防治费用;储粮害虫蛀食粮食的损耗费用,熏蒸时密闭仓房所需要的材料物资费用;防毒面具、用品费用及保健费用。 [0136] Since the present invention is the low temperature properties of grain storage, greatly inhibit the growth of microorganisms and pests of stored grain breeding, cool air circulation in the film, food and isolated, to avoid cross-contamination of grain pests, thus saving Control expenses; the cost of materials and supplies stored grain pest eats the cost of food losses, warehouse sealed fumigation required; gas masks, the cost of supplies and health care costs. 更重要的是避免防治人员与有毒的熏蒸药剂的接触,保证了防治人员的安全与健康。 More importantly, avoid contact with fumigation with toxic agents control personnel to ensure the safety and health prevention personnel. 粮食不与熏蒸药剂接触,达到了绿色仓储的目的。 Food not in contact with the drug fumigation, to achieve the purpose of green storage. 这样每年至少可节省2万元的防治费用。 This saves the cost of prevention and treatment of at least $ 20,000 per year.

[0137] 5.轮换时可增加的收入: [0137] The increase in revenue when the rotation:

[0138] 该系统利用科学技术手段,低温降水,不用化学药剂达到绿色储藏的目的,出库时粮食色泽新鲜,品质优、损失小,保鲜程度高,可谓绿色食品,不用晾晒(烘干),没有爆腰粒,整精米率高。 [0138] The system uses science and technology, low-temperature precipitation, without chemicals to achieve the purpose of green storage, a library when fresh food color, good quality, low loss, high degree of preservation, can be described as green food, not drying (drying), no fissuring grain, milled rice rate. 加工的大米碎米少,整齐度好,色泽光亮,口味好,出品率高。 Less processed rice broken rice, good uniformity, bright color, good taste, production rate. 因此,出库时, 与晒后的水稻相比,每市斤至少高出2分钱,仅此一项可增加收入20万元。 Therefore, a library, compared to the sun rice, at least 2 cents higher per jin, which alone can increase the income of 20 million.

[0139] 按社会效益分析,以上五项平均每年可减少的费用和可增加的收入合计是27. 5 [0139] by social analysis, five more than the average annual cost can be reduced and the increase of the total income is 27.5

10万元。 100,000 yuan. 使用该系统的折旧费、维修费、耗电费用和不可预见费,计每年4. 25万元。 Use of this system depreciation, maintenance costs, power costs and unforeseen expenses, total 42,500 yuan per year. 每年可节省20多万元。 You can save more than 20 million per year. 储存两年后,进行出库轮换时,共可产生40多万元的效益。 After two years of storage, a library rotation, can produce a total of more than 40 million benefit.

[0140] 粮食按常规储藏两年以后,即使是安全水份也会产生水份减量,尤其是北方气候较干燥地区,损耗将更大。 [0140] After conventional food by storage for two years, even if the water is safe and will produce moisture reduction, especially in northern climates drier areas, the loss will be greater. 据有关国家粮食储备库的轮换实践,损耗可达0.5-1.0%。 According rotation practices relevant national grain reserves, the loss of up to 0.5-1.0%. 使用该系统对粮食水份可通过计算机实现智能调控,使粮堆的温度、湿度恒定,或利用加湿功能对低于安全水份粮食进行加湿,调整粮食水份,从而避免不应有的水份减量,并有利于粮食的保鲜。 Moisture food using the system may be implemented by a computer intelligent control the grain bulk temperature, constant humidity, or with a humidifying function of humidifying below the safe moisture food, grain moisture adjustment so as to avoid undue moisture reduction, and contribute to the preservation of food.

[0141] 使用该系统经安装测试后,操作简便,自动化程度高,经简单的培训后,一般人员即可操作。 [0141] After using the test system has been installed, easy operation, high degree of automation, by simple training, the general staff to operate.

[0142] 高大浅圆仓和立筒仓靠近仓壁500mm处固定的Φ50mm的垂直通风管,管内装有Φ6钢丝电缆,每间隔1米装有18B20数字温度传感器,在重锤的带动下,即可测温,又可调整风管通风的有效长度,以达到把高大浅圆仓和立筒仓的通风分段处理,保证其上下温度都在15°C以下。 [0142] Brief tall silo and the silo wall near the cartridge at a fixed Φ50mm 500mm of vertical vent pipes, Φ6 built with steel cables, one meter intervals with digital temperature sensor 18B20, driven by weight, i.e., It may be temperature, but also to adjust the effective length of the ventilation duct, in order to achieve the tall SQUAT sILO ventilation and segmentation process, to ensure that the upper and lower temperatures are below 15 ° C.

Claims (9)

1. 一种智能低温储粮自控系统,其特征在于:具有多个立体通风支管,竖直设于粮仓(1)内部储藏空间,立体通风支管分为多组鼓风和吸风互换使用的第一支管(19)和第二支管(20),其中第一支管(19)分别通过第一歧管(13)、第一总管(15)与循环风机O)的出风口相连;第二支管00)分别通过第二歧管(14)、第二总管(16)与循环风机O)的进风口相连;第一总管(1¾与第二总管(16)之间设有通过风阀对第一支管(19)和第二支管(20)进行风向换向控制的第一、二联通管(17、18),上述第一支管(19)、第二支管(20)、第一歧管(13)、第二歧管(14)、第一总管(1¾以及第二总管(16)上均设有与控制装置相连的各主阀门;所述控制装置由包括上位机系统和下位机系统,上位机通过数传电台与下位机进行无线通讯;下位机系统以PLC为控制核心,PLC输入端连接现场温度、湿 A LOW TEMPERATURE STORAGE intelligent automatic control system, comprising: a plurality of three-dimensional ventilation branch pipes, provided in a vertical silos (1) inside the storage space, perspective vent manifold into groups and the suction blower used interchangeably the first branch pipe (19) and a second branch pipe (20), wherein the first branch pipe (19) through the first manifold (13), a first manifold (15) and the circulating fan O) is connected to the outlet; a second branch pipe 00), respectively, by a second manifold (14) connected to a second manifold (16) and the circulating fan O) of the inlet; provided by the first damper between the first manifold (1¾ and a second manifold (16) manifold (19) and a second branch pipe (20) to change direction first and second control communicating pipe (17, 18), said first branch pipe (19), a second branch pipe (20), a first manifold (13 ), a second manifold (14), a first manifold (1¾ and a second manifold (16) each have a main valve connected to the control means; said control device comprising a host computer system and slave system, the upper via digital radio machine and the next radio communications; controller system PLC to control the core, PLC inputs connected field temperature, wet 度、压力传感器及压力传感器的变送器,输出端接有循环风机及循环风机的变频器、各主阀门以及蒸发器中的压缩机;PLC内部存有智能低温储粮自动控制程序。 Transmitters, pressure sensors and pressure sensor, the output of the inverter terminated with a circulation fan and the circulating fan, and an evaporator each of the main valve in a compressor; LOW TEMPERATURE STORAGE internal PLC there intelligent automatic control program.
2.按权利要求1所述的智能低温储粮自控系统,其特征在于:所述多组第一支管(19) 和第二支管00)在储藏空间内以列为单位单列相间布置,形成由单列独立控制的多组通风管构成的立体通风管网。 2. LOW TEMPERATURE STORAGE claim intelligent automatic control system of claim 1, wherein: said first plurality of sets of branch pipes (19) and a second branch pipe 00) arranged in units of columns in a single row spaced storage space, formed of multiple sets of separate independently controlled ventilation tubes perspective ductwork.
3.按权利要求1所述的智能低温储粮自控系统,其特征在于:所述第一总管(15)上并联设有制冷蒸发器(6)及加湿器(5)。 3. LOW TEMPERATURE STORAGE claim intelligent automatic control system of claim 1, wherein: said first parallel manifold (15) is provided with a refrigeration evaporator (6) and the humidifier (5).
4.按权利要求1所述的智能低温储粮自控系统,其特征在于:所述粮仓(1)内部储藏粮食的上面设有密闭的保温密封层,其为在保温密闭塑料薄膜的中间装有保温材料,塑料保温密封膜紧密粘贴在粮仓(1)的内墙壁上;保温密封层上设有扦样孔以及局部粮情处理风管备用插孔。 4. LOW TEMPERATURE STORAGE claim intelligent automatic control system of claim 1, wherein: with the hermetic seal layer insulation silos (1) above the internal storage of grain, which is provided with an intermediate heat sealed in plastic film insulation materials, heat sealing the plastic film intimately attached to the barn inner wall (1); a hole is provided for sampling and processing local grain situation duct spare jack on the insulation seal layer.
5. 一种智能低温储粮自控系统的控制方法,其特征在于包括以下步骤: 开始,判断控制装置中的主控制元件是否通过自诊断;如通过,则判断是否进行超温报警检测;如不进行超温报警检测,则判断是否进行自动循环检测;如不进行自动循环检测,则判断是否进行多组第一支管(19)和第二支管00)的N列循环通风检测,其中N为自然数;如不进行N列循环通风检测,则判断是否进行多组第一支管(19)和第二支00)的换向循环通风检测;如不进行换向循环通风检测,则进行温度检测; 输出检测结果,结束一次循环控制过程。 5. A control method LOW TEMPERATURE STORAGE intelligent automatic control system, characterized by comprising the steps of: beginning, the main control unit determines whether the control element by a self-diagnosis; such as by, it is determined whether the over-temperature alarm detection; if not for over-temperature alarm detection, it is determined whether the automatic loop detection; if not automatic loop detection, it is determined whether a plurality of sets of the first manifold (19) and a second branch pipe 00) in N th column ventilation detection, where N is a natural number ; if not detected N columns ventilation cycle, it is determined whether a plurality of sets of the first manifold (19) and a second branch 00) detecting the commutation cycle ventilation; if not detected commutation cycle ventilation, the temperature detection; output detection result, the end of a cycle control process.
6.按权利要求5所述的智能低温储粮自控系统的控制方法,其特征在于:如果进行换向循环通风检测,则调用换向循环子程序按以下步骤执行换向循环通风:设定换向时间,并判断该时间是否到; 如没到,开启第2主阀门(9),开启第6主阀门(12); 关闭第3主阀门(10),关闭第4主阀门(11); 启动循环风机(¾及蒸发器(6)的压缩机; 该方向一次循环结束;如果换向时间到,则开启第3主阀门(10),开启第4主阀门(11);;关闭第2主阀门(9),关闭第6主阀门(12); 启动循环风机(¾及蒸发器(6)的压缩机; 该方向一次循环结束,返回主程序。 6. The control method as claimed in claim 5, wherein the cryogenic grain storage intelligent automatic control system, characterized in that: if the change is detected to the circulation ventilation, is called commutation loop subroutine transducer ventilation cycle to the following steps: setting change the time, and determines whether the time to; as not to open the second main valve (9), opened sixth main valve (12); turning off the third main valve (10), closed fourth main valve (11); starting circulating fan (¾ and an evaporator (6) a compressor; the direction of the end of the first cycle; if the commutation time, the opening of the main valve 3 (10), the fourth open the main valve (11) closes the second ;; the main valve (9), to close the main valve 6 (12); start circulating fan (¾ and an evaporator (6) a compressor; the direction of the end of the first cycle returns to the main routine.
7.按权利要求5所述的智能低温储粮自控系统的控制方法,其特征在于:如进行N列循环检测,则调用N列循环检测子程序按以下步骤执行N列循环检测:如果没有超温报警信号,也没有自动循环信号,则开启第1主阀门(8),关闭第5主阀门(7);开启第2主阀门(9),关闭第3主阀门(10); 开启第6主阀门(12),关闭第4主阀门(11); 开启N列吸风阀(4)和N列鼓风阀(3); 启动循环风机(¾及蒸发器(6)的压缩机; 结束,返回主程序。 7. The control method as claimed in claim 5, wherein the cryogenic grain storage intelligent automatic control system, characterized in that: The loop detection by N columns, the N column cycle detection subroutine call execution cycle detection and N columns as follows: If there is no super temperature alarm, there is no automatic cycle signal, the opening of the first main valve (8), closed fifth main valve (7); open the second main valve (9), closing the third main valve (10); open 6 the main valve (12), closing the main valve 4 (11); and N columns absorbing damper opening (4) and N columns blast valve (3); start circulating fan (¾ and an evaporator (6) a compressor; end return to the main program.
8.按权利要求5所述的智能低温储粮自控系统的控制方法,其特征在于:如进行自动循环检测,则调用自动循环检测子程序按以下步骤执行自动循环检测:判断是否有超温报警信号;如果没有超温报警信号,则升启第1主阀门(8),关闭第5主阀门(7);开启第2主阀门(9),关闭第3主阀门(10);开启第6主阀门(12),关闭第4主阀门(11);开启N列吸风阀(4)和N列鼓风阀(3);启动循环风机(¾及蒸发器(6)的压缩机;检测粮食水份是否正常;如粮食水份低十安全水份,则开启第5主阀门(7),启动加湿器(¾对粮食进行加湿处理;结束该次自动循环检测,返回主程序。 8. The control method as claimed in claim 5, wherein the cryogenic grain storage intelligent automatic control system, characterized in that: The automatic loop detection, automatic cycle detection subroutine is called to perform automatic detection loop by the steps of: determining whether a temperature alarm signal; if there is no over-temperature alarm signal, the rise start of the first main valve (8), closed fifth main valve (7); open the second main valve (9), closing the third main valve (10); open 6 the main valve (12), closing the main valve 4 (11); and N columns absorbing damper opening (4) and N columns blast valve (3); start circulating fan (¾ and an evaporator (6) of the compressor; detecting grain moisture is normal; the low moisture food security ten water, then open the main valve 5 (7), start the humidifier (¾ humidify food; end of the secondary loop detection automatically returns to the main routine.
9.按权利要求5所述的智能低温储粮自控系统的控制方法,其特征在于:如进行超温报警检测,则调用超温报警检测子程序按以下步骤执行超温报警检测:开启第1主阀门(8),关闭第5主阀门(7); 开启第2主阀门(9),关闭第3主阀门(10); 开启第6主阀门(12),关闭第1主阀门(11); 开启列吸风阀⑷和列鼓风阀⑶; 启动循环风机(¾及蒸发器(6)的压缩机;检测储藏空间的温度是否有超温报警信号,如果有,则转至开启列鼓风阀(3)和吸风阀(4);如果没有超温报警信号,则结束此次超温报警检测,返回主程序。 9. The control method as claimed in claim 5, wherein the cryogenic grain storage intelligent automatic control system, characterized in that: as for over-temperature alarm detection, temperature alarm detection subroutine is called over-temperature alarm detection performed by the steps of: a first open the main valve (8), closed fifth main valve (7); open the second main valve (9), closing the third main valve (10); opening 6 of the main valve (12), to close the first main valve (11) ; open damper absorbing column and the column ⑷ ⑶ blast valve; start circulating fan (¾ and an evaporator (6) of the compressor; detecting whether the temperature of the storage space over-temperature alarm signals, if any, to the open column drum damper (3) and the suction damper (4); if there is no over-temperature alarm, then ends the current over-temperature alarm detection, the main routine returns.
CN2009100119363A 2009-06-10 2009-06-10 Automatic control system of intelligent low-temperature grain storage and control method thereof CN101919330B (en)

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CN103901834A (en) * 2012-12-30 2014-07-02 航天信息股份有限公司 Method for controlling operation of putting grain in and out of warehouse
CN103597966A (en) * 2013-10-31 2014-02-26 界首市绿源高效农业开发有限公司 Environment control device for sweet potato storage cellar
CN103885405A (en) * 2014-03-09 2014-06-25 苏州边枫电子科技有限公司 Temperature measurement ball guide detection system capable of achieving timing start on basis of wireless WIFI control
CN103901919A (en) * 2014-03-24 2014-07-02 苏州边枫电子科技有限公司 Timing control system based on temperature detection by thermistors
CN103901926A (en) * 2014-03-24 2014-07-02 苏州边枫电子科技有限公司 Timing monitoring system for local group control
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CN103931367A (en) * 2014-04-02 2014-07-23 尚诚德 Intelligent granary wind-source energy-saving distribution control method
CN103931366B (en) * 2014-04-02 2016-03-16 尚诚德 A kind of intelligence control mobile energy conservation environmental protection Multifunctional granary manages and protects all-in-one
CN103918417A (en) * 2014-04-25 2014-07-16 张家港市凤凰镇杏市土地股份专业合作社 Agricultural product storage equipment
CN104405670A (en) * 2014-10-28 2015-03-11 佛山市禾才科技服务有限公司 Barn temperature automatic control device
CN105607680B (en) * 2016-02-24 2018-07-27 北京联合大学 Grain storage Ventilation Control experimental system and its control method
CN105917872B (en) * 2016-04-25 2018-03-16 湖北叶威(集团)粮油机械有限公司 Cross current ventilation unit
CN106134656A (en) * 2016-08-29 2016-11-23 宽甸佳粮仓储设备有限公司 A kind of silo machine aeration ventilates and mends device for cooling
CN107295863A (en) * 2017-07-03 2017-10-27 李宏江 The natural heat insulation and heat control thermal-insulating scheme of national large granary

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