詳細(xì)參數(shù) | |||
---|---|---|---|
品牌 | GE | 型號 | IC693MCD001 |
結(jié)構(gòu)形式 | 模塊式 | 安裝方式 | 控制室安裝 |
LD指令處理器 | 硬PLC | I/O點(diǎn)數(shù) | IC693MCD001 |
功能 | IC693MCD001 | 工作電壓 | 220 |
輸出頻率 | 220 | 處理速度 | 20 |
程序容量 | 10 | 數(shù)據(jù)容量 | 20 |
產(chǎn)品認(rèn)證 | ccc | 環(huán)境溫度 | 10 |
環(huán)境濕度 | 10 | 加工定制 | 否 |
重量 | 1 | 產(chǎn)地 | 美國 |
外形尺寸 | 10 |
IC693MCD001
IC693MCD001
IC693MCD001
IC693MCD001
IC693MCD001
前電信機(jī)房的消防報警系統(tǒng)由火災(zāi)探測系統(tǒng)和消防聯(lián)動控制系統(tǒng)組成。其主要目的是及早發(fā)現(xiàn)事故隱患,發(fā)出報警信號,以提示值班人員采取相應(yīng)的措施或啟動聯(lián)動控制系統(tǒng)以抑制火災(zāi)發(fā)生或擴(kuò)大。然而由于傳統(tǒng)的火災(zāi)探測系統(tǒng)智能化技術(shù)滯后,無法發(fā)現(xiàn)和分析初期的火災(zāi)事故隱患,難以實現(xiàn)其“預(yù)警”的作用,從而出現(xiàn)了因“防”與“消”不能完美結(jié)合而導(dǎo)致火災(zāi)事故頻頻發(fā)生。
傳統(tǒng)消防探測與滅火系統(tǒng)的組成
煙感探測器,溫感探測器,煙溫復(fù)合式探測器,可燃?xì)怏w探測器,紅外對射探測器,感溫電纜,信號輸入模塊,手動報警按鈕等組成。滅火系統(tǒng)主要由水噴霧滅火系統(tǒng)和氣體滅火系統(tǒng)以及移動式滅火系統(tǒng)等組成。
1.1煙感探測器:
僅限用于一般的建筑物。由于煙感探測器(包括主動吸氣式火災(zāi)探測器)要求燃燒形成的煙霧經(jīng)過空氣對流傳輸?shù)教綔y器中,或采取抽取空氣樣本,檢測空氣煙霧濃度的方式進(jìn)行探測,當(dāng)煙霧濃度達(dá)到其報警設(shè)定值時才起動敏感元件發(fā)出報警信號,由主機(jī)進(jìn)行反復(fù)的識別后再進(jìn)行報警、滅火等進(jìn)一步的措施。根本起不到預(yù)報火警的作用,而且漏報、誤報時常發(fā)生。
1.2溫感探測器:
由于目前的探測器采用模擬開關(guān)量式的定溫型感溫元件,故而無法顯示和預(yù)告當(dāng)前的溫度值和溫度上升的速率,68度以下的溫度更無法探測,通常點(diǎn)式溫感探測器僅限用于12m以下的一般建筑物中且容易受到現(xiàn)場不良環(huán)境的影響,纜式探測器常因現(xiàn)場惡劣的環(huán)境以及電磁、靜電等種種干擾而漏報、誤報。復(fù)合式探測器誤、漏報率更高。
綜上所述,傳統(tǒng)的火災(zāi)探測器消而不防,安裝繁瑣,造價高昂,而且需要經(jīng)常對探測器進(jìn)清潔維護(hù)、保養(yǎng),加之其極高的漏報、誤報率,不但造成了公共資源的損失和浪費(fèi),而且使用戶產(chǎn)生了“狼來了”的心理,從而嚴(yán)重影響了火災(zāi)自動報警系統(tǒng)的形象。
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