產地 | 深圳 |
---|---|
尺寸 | 143mm/75mm/28mm |
電源電壓 | 220V |
額定電流 | 10A |
額定電壓 | 220V |
類型 | 可視門鈴 |
鈴聲 | 多種 |
適用范圍 | 可視門鈴 |
消耗功率 | 小(W) |
用途 | 門鈴 |
執(zhí)行質量標準 | 國標 |
電源方式 | 交流 |
品牌 | galileostar |
型號 | K509 |
圖象重顯率 | 1.0 |
主要用在商品住宅樓粉越,通過呼叫宅谁,進行可視對話购具,確定來訪身份。
在记浸,可視門鈴作為便捷的實用產品惯醇,從九十年代末至今,主要應用在商品住宅樓裸悟,規(guī)模迅速發(fā)展款野,目前已經普遍進入城市小區(qū)中高層住宅。使用時绕时,住戶聽到鈴聲侮增,像接聽可視電話一樣,接受來訪者通過樓下門口主機的呼叫株捌,進行對話月腋,同時住戶家中的可視分機可通過樓下主機攝像頭接收視頻影像,住戶觀察分機顯示屏幕上的監(jiān)控圖像確認來訪者的身份瓣赂,后決定是否按下室內分機的**按鈕榆骚,打開連接門口主機的電控門鎖,允許來訪客人開門進入钩述。
可視門鈴寨躁,運用在一棟或多棟住宅樓中穆碎,多個住戶共同使用一個門口主機中牙勘,通常被稱之為可視對講系統(tǒng)、樓宇可視對講系統(tǒng)所禀;而運用在單個住戶中方面,如別墅,通常被稱之為獨戶可視門鈴或別墅可視門鈴色徘。
可視門鈴目前在全球各地的城市住宅中恭金,已經普遍使用操禀,它的生產制造商主要集中在安全防范行業(yè)相對發(fā)達的廣東省深圳、廣州和福建省的廈門等城市横腿。
可視對講系統(tǒng)是小康住宅服務措施颓屑,提供訪客與住戶之間雙向可視通話,達到圖像灰深、語音雙重識別從而增加安全可靠性饵卸,同時節(jié)省大量的時間,提高了工作效率彰饭。更重要的是驻奇,一旦住家內所安裝的門磁開頭、紅外報警探測器肤贮、煙霧探險測器峰抽、瓦斯報警器等設備連接到可視對講系統(tǒng)的保全型室內機上以后,可視對講系統(tǒng)升級為一個安全技術防范網路搭艺,它可以與住宅小區(qū)物業(yè)管理中心或小區(qū)警衛(wèi)有線或無線通訊榛开,從而起到防盜、防災啤兆、防煤氣泄漏等安全保護作用逢痕,為屋主的生命財產安全提供大程度的保障。它可提高住宅的整體管理和服務水平狼楔,創(chuàng)造安全社區(qū)居住環(huán)境钳枕,因此逐步成為小康住宅不可缺少的配套設備。
可視門鈴系統(tǒng)是一種用于高層住宅赏壹、公寓大廈內外鱼炒,戶間信息傳遞,防盜門控制和在緊急情況下住戶向樓宇值班室報警的設備蝌借。它以功能齊全昔瞧、性能可靠、其容量大菩佑、造型美觀自晰、安裝使用方便而深受廣大用戶歡迎,并且也在安全生活小區(qū)中得到了廣泛的應用稍坯。
一酬荞、可視門鈴系統(tǒng)工作原理
來訪者可通過樓下單元門前的主機方便地呼叫住戶并與其對話,住戶在戶內控制單元門的啟閉瞧哟,小區(qū)的主機可以隨時接收住戶報警信號傳給值班主機通知小區(qū)保衛(wèi)人員混巧,系統(tǒng)不僅增強了高層住宅安全保衛(wèi)工作,而且方便了住戶,減少許多不必要的上下樓麻煩猎蚀。
二糠牍、可視對講系統(tǒng)的工作方式
樓門平時總處于閉鎖狀態(tài),避免非本樓人員在未經允許的情況下進入樓內竖杂,本樓內的住戶可以用鑰匙自由的出入大樓卑我。當有客人來訪時,客人需在樓門外的對講主機鍵盤上按出欲訪住戶的房間號雕乃,呼叫欲訪住戶的對講分機柴哈。被訪住戶的主人通過對講設備與來訪者進行雙向通話或可視通話,通過來訪者的聲音或圖像確認來訪者的身份唁谣。確認可以允許來訪者進入后冶巴,住戶的主人利用對講分機上的**按鍵,控制大樓入口門上的電控門鎖打開溪惶,來訪客人方可進入樓內顺鸯。來訪客人進入樓后,樓門自動閉鎖终距。
住宅小區(qū)物業(yè)管理的安全保衛(wèi)部門通過小區(qū)安全對講管理主機尊捞,可以對小區(qū)內各住宅樓安全對講系統(tǒng)的工作情況進行監(jiān)視。如有住宅樓入口門被非法打開宏怔、安全對講主機或線路出現故障奏路,小區(qū)安全對講管理主機會發(fā)出報警信號、顯示出報警的內容及地點臊诊。小區(qū)物業(yè)管理部門與住戶或住戶與住戶之間可以用該系統(tǒng)相互進行通話鸽粉。如物業(yè)部門通知住戶交各種費用、住戶通知物業(yè)管理部門對住宅設施進行維修抓艳、住戶在緊急情況下向小區(qū)的管理人員或鄰里報警求救等触机。
系統(tǒng)主要由主機、分機玷或、UPS電源儡首、電控鎖、偏友、保護器蔬胯、視頻放大器、信號中繼器位他、訊號轉換器氛濒、視頻切換器、主機選擇器填篱、網絡匯總器徙掠、集線器恃葫、數字信號轉換器革陋、光端機和閉門器等組成乌窿。根據類型可分為直按式、數碼式锦钓、數碼式戶戶通庙炮、直按式可視對講、數碼式可視對講求驳、數碼式戶戶通可視對講等种司。
門口機
門口機
主機
主機是可視門鈴系統(tǒng)的控制部分,每一戶分機的傳輸信號以及電鎖控制信號等都通過主機的控制粥谐,它的電路板采用減振安裝娶得,并進行防潮處理,抗振防潮能力強漾群,并帶有夜間照明裝置懊湾,外形美觀、大方禽篱。
分機
分機是一種對講話機畜伐,一般都是與主機進行對講,但現在的戶戶通可視門鈴系統(tǒng)則與主機配合成一套內部電話系統(tǒng)可以完成系統(tǒng)內個用戶的電話
室內七寸分機
室內七寸分機
聯系躺率,使用更加方便玛界,它分為可視分機,非可視分機悼吱。具有電鎖控制功能和監(jiān)視功能慎框,一般安裝在用戶家里的門口處,主要方便住戶與來訪者對講交談后添。
UPS電源
它的功能主要是保持可視門鈴系統(tǒng)不掉電鲤脏。正常情況下,處于充電的狀態(tài)吕朵。當停電的時候猎醇,UPS電源處于給系統(tǒng)供電的狀態(tài)。現在可視門鈴系統(tǒng)努溃,廠家一般不配備UPS電池硫嘶,主要是可視系統(tǒng)耗電太大,一般的小容量UPS電池保證不了使用時間檩翁!
纤厨、保護器、視頻放大器景絮、信號中繼器
與保護器在總線制系統(tǒng)中使用守镰,功能為呼叫信號提供尋址接通室內機崎络。保護器功能主要為戶內線路短路提供隔離保護作用或提供部分線路信號處理功能。視頻放大器用于線路視頻信號處理以滿足視頻遠距離傳輸時視頻質量的要求猖右,信號中繼器為總線控制信號遠距離傳輸有衰減或干擾時選用颗酷。 為使用更方便可靠,某些與保護器功能設計在一起稽橱,種類有多種戏丽,不同系統(tǒng)或不同功能要求的工程可選擇不一樣的型號的,典型系統(tǒng)按其功能主要有單路純解碼谷庐、四路半隔離耙屹、四路隔離保護帶
視頻信號處理、四路普通聯網拘绳、四路全隔離帶視頻處理聯網型及多路的多功能抗俄,當系統(tǒng)需求較多附加功能的時,如果只選擇普通世舰,會影響系統(tǒng)性能动雹,選用時可向廠家咨詢或查詢系統(tǒng)產品說明書。
訊號轉換器冯乘、視頻切換器
訊號轉換器用于非直接聯網主機的信號轉換為聯網信號的中間網絡設備洽胶,在某主機本身具備聯網線接口的情 況下,不需要專用的訊號轉換器產品裆馒。視頻切換器用于個別系統(tǒng)聯網時將單元視頻信號切換至聯網總線視頻線上,以更好地提高聯網視頻信號的點對點傳輸質量姊氓。
主機選擇器
若某樓道有多個出入口都需要安裝門口主機時,若所選擇的門口主機本身不帶多門口機并聯功能喷好,則可通過此設備實現多個門口主機工作時的信號切換作用翔横;若所選擇的門口主機本身帶有多門口機并聯功能,則本設備不需要使用梗搅。
網絡匯總器禾唁、集線器、數字信號轉換器无切、光端機
大型小區(qū)聯網時穗狞,信號在傳輸中有衰減或受干擾,并且接線較多客净,通過此類設備凭衩,可大程度的還原失真的信號,以滿足遠距離傳輸冀烘,個別模擬信號超遠距離傳輸需用數字TCP/IP轉換器或光端機進行傳輸慌位,以達效果更佳。
電鎖
品種很多纬惶,常用的有電控鎖子宵、磁力鎖尚档、靜音鎖、電機鎖等等彪性。一般內部結構主要由電磁機構組成彩梅。用戶只要按下分機上的電鎖鍵能使電磁線圈通電,從而使電磁機構帶動連桿動作漓客,能控制大門的打開固啡。
閉門器
它是一種特殊的自動閉門連桿機構切油。它具有調節(jié)器蝙斜,可以調節(jié)加速度和作用力度,使用方便澎胡、靈活孕荠。
軟件技術
大部分需要用到音視頻交互的可視門鈴系統(tǒng)都可以采用AnyChat 開發(fā)。AnyChat 內部封裝了音視頻的采集攻谁、編碼稚伍、傳輸、解碼以及播放(顯示)功能戚宦,只需要幾個簡單的API調用个曙,即可實現多個用戶之間的語音、視頻受楼、文字交互垦搬,由于內核已經實現了P2P網絡,所以上層應用不需要關心復雜的網絡傳輸問題艳汽,簡化了上層應用的開發(fā)難度猴贰,上層應用的開發(fā)人員可以把更多的精力投入到業(yè)務流程、用戶體驗等方面河狐,實現應用系統(tǒng)的快速開發(fā)证摩。
people contend for that, at least; and I am sure I don’t want to
contradict them—but they have not very fine natures, and they
may be thankful that, like their coarse rough skins, they are not
easily wounded.’
‘Really!’ said Miss Dartle. ‘Well, I don’t know, now, when I have
been better pleased than to hear that. It’s so consoling! It’s such a
delight to know that, when they suffer, they don’t feel! Sometimes
I have been quite uneasy for that sort of people; but now I shall
just dismiss the idea of them, altogether. Live and learn. I had my
doubts, I confess, but now they’re cleared up. I didn’t know, and
now I do know, and that shows the advantage of asking—don’t it?’
I believed that Steerforth had said what he had, in jest, or to
draw Miss Dartle out; and I expected him to say as much when she
was gone, and we two were sitting before the fire. But he merely
asked me what I thought of her.
‘She is very clever, is she not?’ I asked.
‘Clever! She brings everything to a grindstone,’ said Steerforth,
and sharpens it, as she has sharpened her own face and figure
these years past. She has worn herself away by constant
sharpening. She is all edge.’
Charles Dickens ElecBook Classics
f
David Copperfield
‘What a remarkable scar that is upon her lip!’ I said.
Steerforth’s face fell, and he paused a moment.
‘Why, the fact is,’ he returned, ‘I did that.’
‘By an unfortunate accident!’
‘No. I was a young boy, and she exasperated me, and I threw a
hammer at her. A promising young angel I must have been!’ I was
deeply sorry to have touched on such a painful theme, but that
was useless now.
‘She has borne the mark ever since, as you see,’ said Steerforth;
‘and she’ll bear it to her grave, if she ever rests in one—though I
can hardly believe she will ever rest anywhere. She was the
motherless child of a sort of cousin of my father’s. He died one day.
My mother, who was then a widow, brought her here to be
company to her. She has a couple of thousand pounds of her own,
and saves the interest of it every year, to add to the principal.
There’s the history of Miss Rosa Dartle for you.’
‘And I have no doubt she loves you like a brother?’ said I.
‘Humph!’ retorted Steerforth, looking at the fire. ‘Some
brothers are not loved over much; and some love—but help
yourself, Copperfield! We’ll drink the daisies of the field, in
compliment to you; and the lilies of the valley that toil not, neither
do they spin, in compliment to me—the more shame for me!’ A
moody smile that had overspread his features cleared off as he
said this merrily, and he was his own frank, winning self again.
I could not help glancing at the scar with a painful interest
when we went in to tea. It was not long before I observed that it
was the most susceptible part of her face, and that, when she
turned pale, that mark altered first, and became a dull, leadcoloured streak, lengthening out to its full extent, like a mark in
Charles Dickens ElecBook Classics
f
David Copperfield
invisible ink brought to the fire. There was a little altercation
between her and Steerforth about a cast of the dice at back
gammon—when I thought her, for one moment, in a storm of rage;
and then I saw it start forth like the old writing on the wall.
It was no matter of wonder to me to find Mrs. Steerforth
devoted to her son. She seemed to be able to speak or think about
nothing else. She showed me his picture as an infant, in a