人工氣候室中空調係統的設計
人工氣候室中空調係統是整個糧油儀器的重點,在進行設計的時候也是下工夫最大的一個環節,我們一起看看該係統的設計思路:
從氣候室熱負荷分析和氣候室的研製目標可見:熱負荷變動大、熱re惰duo性xing差cha和he高gao精jing度du調tiao控kong是shi氣qi候hou室shi空kong調tiao係xi統tong必bi須xu解jie決jue的de問wen題ti。通tong過guo試shi驗yan和he比bi較jiao,空kong調tiao係xi統tong方fang案an采cai用yong了le變bian負fu荷he製zhi冷leng的de智zhi能neng化hua技ji術shu方fang案an,其qi核he心xin是shi每mei個ge氣qi候hou室shi單dan體ti采cai用yong雙shuang機ji組zu和he數shu碼ma冷leng量liang調tiao節jie技ji術shu。亦yi即ji根gen據ju熱re負fu荷he的de大da小xiao,自zi動dong切qie換huan機ji組zu運yun行xing的de數shu量liang;同時,在製冷循環中,對製冷壓縮機實施變冷煤控製。
控製係統根據室內需要的製冷量或製熱量,由控製係統采集氣候室內的溫度並與設定的溫度進行比較,通過PID(Proportion Integration Differentiation 比率綜合鑒別)控(kong)製(zhi)及(ji)模(mo)糊(hu)控(kong)製(zhi)算(suan)法(fa),由(you)計(ji)算(suan)機(ji)自(zi)動(dong)控(kong)製(zhi)機(ji)組(zu)的(de)運(yun)行(xing)數(shu)量(liang)和(he)壓(ya)縮(suo)機(ji)冷(leng)煤(mei)量(liang),從(cong)而(er)精(jing)確(que)控(kong)製(zhi)輸(shu)入(ru)氣(qi)候(hou)室(shi)的(de)能(neng)量(liang),使(shi)得(de)氣(qi)候(hou)室(shi)輸(shu)入(ru)的(de)能(neng)量(liang)與(yu)氣(qi)侯(hou)室(shi)耗(hao)散(san)的(de)能(neng)量(liang)平(ping)衡(heng),並(bing)減(jian)少(shao)“震蕩”,從而達到控製精確、溫度升降變化平穩、節約能源之目的。經實際測評,智能控製機組較普通控製機組可降低用電量40%。zhinengkongzhijizuyuputongjizuwendukongzhibodongxingbijiaoheshengwensudubijiaomeigeqihoushidantiyouyigexiangtizucheng,bingzhiyuyigegengdadejianzhukongjiannei,qihoushikongtiaoxitongdeshineijizuanzhuangzaishebeicengneibingtongguofengguanyuqihoushixiangtixianglian。
氣qi流liu循xun環huan采cai用yong側ce送song側ce回hui的de循xun環huan方fang式shi。氣qi流liu自zi氣qi候hou室shi一yi側ce的de多duo個ge散san流liu器qi格ge柵zha水shui平ping吹chui出chu,經jing氣qi候hou室shi擴kuo散san後hou從cong氣qi候hou室shi另ling一yi側ce的de回hui風feng格ge柵zha返fan回hui,在zai氣qi候hou室shi內nei形xing成cheng水shui平ping單dan項xiang氣qi流liu,從cong而er使shi得de氣qi流liu分fen布bu均jun勻yun,溫wen度du場chang合he理li。氣qi候hou室shi采cai用yong頂ding置zhi光guang源yuan燈deng箱xiang結jie構gou,燈deng箱xiang內nei設she計ji有you燈deng具ju風feng冷leng係xi統tong,將jiang光guang源yuan產chan生sheng的de輻fu射she熱re帶dai出chu氣qi候hou室shi外wai,從cong而er減jian輕qing空kong調tiao係xi統tong的de負fu荷he,以yi上shang就jiu是shi該gai係xi統tong的de主zhu要yao內nei容rong。



