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中(zhong)國(guo)幅(fu)員(yuan)遼(liao)闊(kuo),但(dan)人(ren)均(jun)占(zhan)有(you)耕(geng)地(di)麵(mian)積(ji)少(shao)。對(dui)於(yu)合(he)理(li)利(li)用(yong)土(tu)地(di)資(zi)源(yuan),提(ti)高(gao)農(nong)業(ye)勞(lao)動(dong)生(sheng)產(chan)率(lv),推(tui)進(jin)城(cheng)市(shi)化(hua)和(he)中(zhong)國(guo)農(nong)業(ye)的(de)現(xian)代(dai)化(hua),工(gong)廠(chang)型(xing)農(nong)業(ye)設(she)施(shi)已(yi)經(jing)從(cong)實(shi)驗(yan)階(jie)段(duan)走(zou)向(xiang)了(le)實(shi)際(ji)應(ying)用(yong)。通(tong)過(guo)計(ji)算(suan)機(ji)控(kong)製(zhi)係(xi)統(tong),我(wo)們(men)可(ke)以(yi)人(ren)為(wei)控(kong)製(zhi)作(zuo)物(wu)生(sheng)長(chang)的(de)環(huan)境(jing)條(tiao)件(jian),使(shi)作(zuo)物(wu)生(sheng)長(chang)不(bu)受(shou)自(zi)然(ran)氣(qi)候(hou)的(de)影(ying)響(xiang),做(zuo)到(dao)常(chang)年(nian)工(gong)廠(chang)化(hua)生(sheng)產(chan),並(bing)進(jin)行(xing)高(gao)效(xiao)率(lv)、高產值和高效益的生產。新疆地區日照時間長、土地麵積廣,非常適應發展工廠化農業。這裏介紹新疆某地使用世紀星組態軟件建立的溫室控製係統。 對dui溫wen室shi環huan境jing的de控kong製zhi是shi工gong廠chang化hua生sheng產chan農nong產chan品pin的de核he心xin內nei容rong,根gen據ju具ju體ti作zuo物wu品pin種zhong的de理li想xiang生sheng長chang模mo型xing來lai控kong製zhi溫wen室shi環huan境jing,使shi溫wen室shi環huan境jing在zai達da到dao或huo接jie近jin農nong作zuo物wu生sheng長chang需xu要yao的de環huan境jing和he節jie約yue能neng源yuan之zhi間jian達da到dao平ping衡heng。控kong製zhi係xi統tong的de實shi用yong性xing關guan係xi到dao溫wen室shi產chan量liang、病蟲害發生、管理風險和能耗成本等。 溫室的智能化控製係統由安裝有世紀星軟件的中心監控計算機及現場控製機、PLC、係列傳感器、執行機構、栽培環境四季工況、局部數字通訊組成。 xianchangkongzhijisuanjilianjiegaiwenshidechuanganqijikongzhiqideng,bingtongguowangluobashujuchuandaozhongxinjiankongjisuanjishang。youyujishuzhongxinyuanliwenshixianchang,erjishurenyuanxuyaoshishijiankongshengchancanshu,bingxiugaizuijiadeshengchancanshu,zhelishiyongshijixingzutairuanjiandeWEB功(gong)能(neng),技(ji)術(shu)人(ren)員(yuan)通(tong)過(guo)瀏(liu)覽(lan)器(qi)遠(yuan)程(cheng)登(deng)錄(lu)到(dao)世(shi)紀(ji)星(xing)中(zhong)心(xin)服(fu)務(wu)器(qi),可(ke)以(yi)查(zha)看(kan)所(suo)有(you)溫(wen)室(shi)環(huan)境(jing)的(de)實(shi)時(shi)數(shu)據(ju),並(bing)能(neng)更(geng)具(ju)權(quan)限(xian)修(xiu)改(gai)生(sheng)產(chan)參(can)數(shu)。如(ru)硬(ying)件(jian)係(xi)統(tong)圖(tu)。
 硬件係統圖
係統主要對溫度、濕度和光照等指標進行控製。以葡萄溫室為例,休眠期溫室的溫度保持在5℃,休眠期後白天控製在25~30℃ , 夜間溫度控製在15~18℃。當溫度低於控製範圍時,加熱爐的風機啟動,使其熱風在溫室內均勻散布來增溫;當溫室內溫度達到作物適合溫度時,加熱爐風機自動停止。濕度控製在50%~75%,當溫室內濕度超出控製範圍時軸流風機啟動,抽出溫室內濕度較高的空氣,使濕度下降;當濕度降回到正常範圍時,軸流風機自動停止工作。溫室的光照度控製在(45~55)×103lx,當溫室內的光照度達不到設定指標時,溫室內的補光燈自動打開進行人工補光;dangwenshideguangzhaodushuipingdadaoshedingzhibiaoshi,buguangdengzidongximie,yijieyuenengyuan。chouyangbinghaifangzhijideshiyongyingjiehezuowudejutiqingkuanglaixuanzexingdejinxingdingqihuobudingqixiaodumiejun。eryanghuatanfashengqidecaozuoxiangduimafanyixie,xudaowenshineianbuzhoucaozuo,jiankongxitongkejianshieryanghuatannongdu,dangnongdudadaoyouhaichengdushixitongfachubaojing,tixingjianshirenyuanzhuyi。qitawenshidekongzhifanganyuzhileisi,zhuyaochabiezaiyugecanshudekongzhizhibiaobutong。 溫室環境的內容非常廣泛,但通常所說的溫室環境主要指空氣與土壤的溫濕度、光照及CO2 濃nong度du等deng。世shi紀ji星xing組zu態tai軟ruan件jian通tong過guo各ge種zhong傳chuan感gan器qi接jie收shou各ge類lei環huan境jing因yin素su信xin息xi,通tong過guo邏luo輯ji運yun算suan和he判pan斷duan控kong製zhi相xiang應ying溫wen室shi設she備bei運yun作zuo以yi調tiao節jie溫wen室shi環huan境jing,記ji錄lu曆li史shi數shu據ju並bing繪hui製zhi出chu環huan境jing曲qu線xian供gong生sheng產chan管guan理li人ren員yuan對dui生sheng產chan情qing況kuang分fen析xi。
1 肥水灌溉控製 采用計算機肥水灌溉運籌係統,可以根據作物區的需要,對水培區的營養液成分、pH 值和EC值進行綜合調控;對於基培和土培區,主要是根據作物生產需要設定基質、土壤的水勢值,自動調節滴灌、噴灌係統的灌溉時間和次數。
2 綜合環境控製 對dui室shi內nei外wai的de各ge種zhong環huan境jing參can量liang進jin行xing智zhi能neng化hua數shu據ju分fen析xi和he處chu理li,並bing結jie合he專zhuan家jia知zhi識shi庫ku和he決jue策ce支zhi持chi係xi統tong等deng先xian進jin的de技ji術shu手shou段duan,對dui各ge種zhong環huan境jing調tiao控kong執zhi行xing機ji構gou進jin行xing智zhi能neng模mo糊hu控kong製zhi。采cai用yong計ji算suan機ji實shi現xian環huan境jing參can數shu比bi較jiao分fen析xi,按an比bi例li調tiao節jie環huan境jing溫wen度du、濕度與通風。CO2 發生裝置按需比例調節環境CO2 濃(nong)度(du)。夏(xia)季(ji)室(shi)外(wai)屋(wu)頂(ding)噴(pen)淋(lin),在(zai)保(bao)證(zheng)室(shi)內(nei)光(guang)照(zhao)強(qiang)度(du)的(de)前(qian)提(ti)下(xia),組(zu)合(he)調(tiao)節(jie)環(huan)境(jing)溫(wen)度(du)與(yu)通(tong)風(feng),達(da)到(dao)強(qiang)製(zhi)降(jiang)低(di)環(huan)境(jing)溫(wen)度(du)的(de)效(xiao)果(guo)。通(tong)過(guo)計(ji)算(suan)機(ji)對(dui)溫(wen)室(shi)各(ge)電(dian)動(dong)執(zhi)行(xing)器(qi)進(jin)行(xing)整(zheng)體(ti)調(tiao)節(jie),自(zi)動(dong)調(tiao)控(kong)到(dao)作(zuo)物(wu)生(sheng)長(chang)所(suo)需(xu)求(qiu)的(de)溫(wen)、濕、光、水和氣等條件。另外,通過臭氧消毒淨化器對溫室進行消毒。
3 生產參數設定 對dui於yu不bu同tong的de農nong作zuo物wu及ji同tong種zhong農nong作zuo物wu在zai不bu同tong的de生sheng長chang期qi需xu要yao不bu同tong的de環huan境jing條tiao件jian,利li用yong世shi紀ji星xing組zu態tai軟ruan件jian的de配pei方fang功gong能neng實shi現xian了le參can數shu的de批pi量liang控kong製zhi。根gen據ju不bu同tong的de作zuo物wu或huo相xiang同tong作zuo物wu的de不bu同tong生sheng長chang階jie段duan,設she計ji出chu不bu同tong的de配pei方fang。世shi紀ji星xing軟ruan件jian提ti供gong了le簡jian單dan、方便的組態和操作功能,可將需要修改的參數定義為變量,以便操作人員可以通過操作畫麵進行方便修改。
4 報警狀態 shiyongshijixingzutairuanjiandebaojingxitong,shishijiancehuanjingcanshu,danghuanjingshujuchaoguoshedingzhishi,xitongchuxianbaojingtishi。xitongzhichigenjunongzuowubutonghuoshengchangjieduanbutong,shishishedingbaojingjiexianzhi。baojingbaohuxitongtigaolezhenggexitonganquanxing。
5 信息傳遞 現(xian)場(chang)計(ji)算(suan)機(ji)除(chu)監(jian)控(kong)本(ben)站(zhan)實(shi)時(shi)環(huan)境(jing)情(qing)況(kuang)外(wai),還(hai)將(jiang)實(shi)時(shi)數(shu)據(ju)通(tong)過(guo)局(ju)域(yu)網(wang)傳(chuan)遞(di)給(gei)中(zhong)心(xin)監(jian)控(kong)計(ji)算(suan)機(ji),中(zhong)心(xin)監(jian)控(kong)計(ji)算(suan)機(ji)記(ji)錄(lu)生(sheng)產(chan)數(shu)據(ju)及(ji)報(bao)警(jing)曆(li)史(shi)記(ji)錄(lu),並(bing)通(tong)過(guo)WEB發布功能使遠在外地的農業專家查看生產數據指導生產,並可通過權限設置實現遠程修改生產參數的功能。
工gong廠chang化hua農nong業ye能neng夠gou在zai人ren工gong創chuang造zao的de環huan境jing中zhong進jin行xing全quan過guo程cheng的de連lian續xu作zuo業ye,從cong而er擺bai脫tuo自zi然ran界jie的de製zhi約yue。利li用yong世shi紀ji星xing組zu態tai軟ruan件jian實shi現xian工gong廠chang農nong業ye的de控kong製zhi,特te別bie是shi在zai華hua北bei和he東dong北bei溫wen室shi種zhong植zhi較jiao多duo的de地di區qu,是shi新xin的de思si路lu和he理li念nian,具ju有you廣guang闊kuo的de發fa展zhan前qian景jing。溫wen室shi控kong製zhi技ji術shu沿yan著zhe手shou動dong、自動和智能化控製的進程,正向著越來越先進、功能越來越完備的方向發展;而溫室環境控製正朝著基於作物生長模型、溫室綜合環境因子分析模型和農業專家係統的溫室信息自動采集及智能控製趨勢發展。■
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