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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。 duiwenshihuanjingdekongzhishigongchanghuashengchannongchanpindehexinneirong,genjujutizuowupinzhongdelixiangshengchangmoxinglaikongzhiwenshihuanjing,shiwenshihuanjingzaidadaohuojiejinnongzuowushengchangxuyaodehuanjinghejieyuenengyuanzhijiandadaopingheng。kongzhixitongdeshiyongxingguanxidaowenshichanliang、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。 現xian場chang控kong製zhi計ji算suan機ji連lian接jie該gai溫wen室shi的de傳chuan感gan器qi及ji控kong製zhi器qi等deng,並bing通tong過guo網wang絡luo把ba數shu據ju傳chuan到dao中zhong心xin監jian控kong計ji算suan機ji上shang。由you於yu技ji術shu中zhong心xin遠yuan離li溫wen室shi現xian場chang,而er技ji術shu人ren員yuan需xu要yao實shi時shi監jian控kong生sheng產chan參can數shu,並bing修xiu改gai最zui佳jia的de生sheng產chan參can數shu,這zhe裏li使shi用yong世shi紀ji星xing組zu態tai軟ruan件jian的deWEB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 使(shi)用(yong)世(shi)紀(ji)星(xing)組(zu)態(tai)軟(ruan)件(jian)的(de)報(bao)警(jing)係(xi)統(tong),實(shi)時(shi)監(jian)測(ce)環(huan)境(jing)參(can)數(shu),當(dang)環(huan)境(jing)數(shu)據(ju)超(chao)過(guo)設(she)定(ding)值(zhi)時(shi),係(xi)統(tong)出(chu)現(xian)報(bao)警(jing)提(ti)示(shi)。係(xi)統(tong)支(zhi)持(chi)根(gen)據(ju)農(nong)作(zuo)物(wu)不(bu)同(tong)或(huo)生(sheng)長(chang)階(jie)段(duan)不(bu)同(tong),實(shi)時(shi)設(she)定(ding)報(bao)警(jing)界(jie)限(xian)值(zhi)。報(bao)警(jing)保(bao)護(hu)係(xi)統(tong)提(ti)高(gao)了(le)整(zheng)個(ge)係(xi)統(tong)安(an)全(quan)性(xing)。
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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