TWI337723B - - Google Patents

Download PDF

Info

Publication number
TWI337723B
TWI337723B TW96127696A TW96127696A TWI337723B TW I337723 B TWI337723 B TW I337723B TW 96127696 A TW96127696 A TW 96127696A TW 96127696 A TW96127696 A TW 96127696A TW I337723 B TWI337723 B TW I337723B
Authority
TW
Taiwan
Prior art keywords
alarm
module
signal
monitoring device
input
Prior art date
Application number
TW96127696A
Other languages
Chinese (zh)
Other versions
TW200905618A (en
Original Assignee
Chunghwa Telecom Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chunghwa Telecom Co Ltd filed Critical Chunghwa Telecom Co Ltd
Priority to TW96127696A priority Critical patent/TW200905618A/en
Publication of TW200905618A publication Critical patent/TW200905618A/en
Application granted granted Critical
Publication of TWI337723B publication Critical patent/TWI337723B/zh

Links

Landscapes

  • Alarm Systems (AREA)

Description

1337723 九、發明說明: 【發明所屬之技術頜域】 本發明是-種電信室環境監測裝置,特別是指—種具有多種告警啟動 方式’轉換為模組化且具有單-形私電子健在不影響現有設備卞提 供維運中心正確的告警訊息之電信室壤境監測裝置。 【先前技術】 隨著用戶電間號不_增加,電信财不_擴充,交換機機種繁 夕,地點分散,電信業者人事成本高漲;然而,由於電信業的開放,各電 信業者之間賴爭賴,電㈣林狀降,因此,錄機f理及監控之 集中化及自動化㈣财電信業者辭奴重要步驟;在騎來愈需要集 中監控以降低營運成本的目標下,如何正確且簡單的把告警信號加以轉換 為可傳輸的信息,實鱗"控品質之指標。 而在目前電信公⑽電信室中,有很多設備需要集中管理與監視,作 是不同的監測點所反應的電壓顧又不同,再加上沒有現成可用之外部告 警信號擷取裝置,因此難以對電信室集中監控。 一由此可見,上述㈣電信室環境監視裝置财諸多缺失,實非一良盖 之設計*而亟待加以改良β η 本莱發明人雜上述·裝置顺_各餐點,乃 新,並經多铃心職潛讀究後, 錢良 視裝置,帛W “ 、、料功研發完麻件電信室環技 〜物㈣,物|!㈣視的目標。 1337723 【發明内容】 本發明之目的即在於提供-種電信室環境監視裝置,該裝置直有多商 用性的告警啟動方式,可以依不同監測點所呈現之正常或告警狀態,2 電阻匹配轉換成適當的告警輸入信號。 本發明之次—目_在於提供—種電信室環境監視裝置,該裝置具有 自我測試之能力,可讀測出裝置是錢於正f運轉之狀態,可使維護人 員快速檢修。 ° 本發明之另_目的係在於提供—種電信室環境監視裝置該裝置具有 乾接點能力,不會影響到已被監視的設備。 可達成上述發明目的之電信室環境監視裝置’主要包括: 告警輸入信號電壓轉換模組,負責擷取電信室不特定之外部告警電 壓,並經由適當之電阻匹配轉碰’將其轉換為模組化且具有單—形式之 電子信號,該電子信號係為適合啟動邏輯電路的告警信號,在不影響現有 設備下提供維運中心正確之告警訊息;本發明之電信鏡境監視裝置具有 1〜4個告警輸入信號電壓轉換模組,每個告警輸入信號電壓轉換模組最多可 以有5種輸入狀況,每一種輸入狀況最多有8個輸入信號,因此本裝置最 多同時可以監測160個輸入信號; 一告警輸入信號邏輯轉換模組,使得不特定之監視狀態(實際狀況)亦能 對應至相同電壓(邏輯狀況); 一告警輸出信號邏輯修正模組,用於把一組告警信號反相: 一告警狀態顯示模組,使得維護人員檢測輸出入控制器所送之信號, 是否正常運轉; -告警電路選擇模組’用於選擇—個輸出人控制器,在同^時間只選 擇-個告警輸·號邏輯修正模組為監視之對象; —告警電路並賴組’料多個告警輸出㈣邏輯修正模组,同時使 用告警信號處理器來_理信號’並與電腦聯繫以傳遞資料;以及 *電源七、應模組’使用匯流排並接,容許多個告警輸出信號邏輯修正 模組同-時間使用—㈣定電壓之電辱。 【實施方式】 請參閱圖-,圖-為本發明電信室環境監視裝置之結細,本發明所 提供之電信室環境監視裝置,主要包括有: —告警輸人信魏壓賴模組卜娜電信室傾定之外部告警電壓, 經由適當之電阻匹gi轉換後之電壓,適合啟動邏輯電路的告警信號;係由 可抽換電阻排組(RPA)及5個切換器Sa㈣組成,用於把不特定之外部告警 電壓Va(,~4〇},經由電阻匹配轉換成適合啟動邏輯電路的告警信號乂;其中 每個切換ϋ可監控8個外部告警電壓,其安排為Sa|控制I、^控制 Va9〜16、…、Sa5 控制 Va33〜4〇。 -告警輸人信號邏輯轉換餘2,使得不特定之n視狀態(實際狀況)亦 能對應至相同電壓(邏輯狀況),·係由40個切換ϋ(Μ〇)組成,用於把不同意 義之告警信號,轉換成-致的低霞(正常之狀態)Vli(MQ),傳送至輸入控制 器XOR丨。 —告警輸出信號邏輯修正模組3,用於把一組告警信號反相;係由5個 丄:W723 切換器sb㈣組成,每個切換器同時控制8個輸入信號,用於把一組告警信 號反相vgi㈣,傳送至輸入控制器xpRi,其安排為^控制I、^控 制Va9〜16、…、sb5控制Va33〜。 告警狀漏tf模組4 ’祕檢測輸出人㈣^ XC)Ri& X〇R2,所送 “號V_,是否正常運轉,其邏輯信號為%㈣)㊉%,㊉^㈣, 當%,為低電壓時,LED會亮燈;反之,當v〇(m。)為高電壓時,咖則 不會7C燈,藉此使得維護人員檢職心控㈣所送之信號是否正常運轉。 -告警電路選擇模組5,在任-時間只選擇—個告警輸出信號邏輯修正 模、’且3上的切換gg Sb(i 5>為監視之對象;每個告警輸出親邏輯修正模組3 共有5個切換H Sb,因此可分成5個時段做監視,在任一時段,該告警電 路選擇模組5只選擇-組8個輸人信號為監視之對象。 告警電路並聯模組6,容許多個告警輸出信號邏輯修正模組3,並含 有。警L號處理器,該告警信號處理器係為一數位信號處理器⑽巧Κ 晶片’該轉電路並聯模組6同時_該告警信號處理器來負責處理信號, 並透過RS-232與電腦傳遞資料。 電源供應模組7,使用匯流排並接,容許多個告警輸出信號邏輯修正 模組3同一時間使用一個5伏特之電源。 ^閱圖―,為本發明電彳^室環境監視裝置之監測點狀態設定圖,係 為每個告警輸人魏電壓轉難組丨可監視五組輸人狀況,所狀之每組 的不同輸人狀況:圖二中提供8種不同的輸人狀況,每—輸人狀況之輸入 信號皆有其正常條件與告細常)條件,配合適㈣排阻㈣與切換器 8 1337723 (switch)的組合,可獲悉輸出信號邏輯狀態。例如:以狀況1為例,外部輸 入電壓Va正常狀況為-48V至-20V,當告警狀況(短路(GND)或開路(OPEN)) 時,經由電阻匹配(排阻RPA使用33〇ΚΩ ,心和Sb皆切換至Vcc)轉換成 適合啟動邏輯電路的告警信號Vi。以狀況2為例,外部輸入電壓va正常狀 況為-5V和短路(GND) ’當告警狀況(開路(〇pEN))發生時,經由電阻匹 配(排阻RPA使用Ι0ΚΩ * Sa和Sb皆切換至vcc)轉換成適合啟動邏輯電 路的告警信號%。1337723 IX. Description of the invention: [Technical jaw region to which the invention pertains] The present invention is a telecom chamber environmental monitoring device, in particular, a variety of alarm activation modes that are converted into modularized and have a single-shaped private electronic health. A telecommunications room locus monitoring device that affects the existing equipment and provides the correct warning message for the maintenance center. [Prior Art] With the increase of the user's electric number, the telecom money is not expanded, the switch is in a state of flux, the location is scattered, and the personnel costs of the telecom operators are high; however, due to the openness of the telecommunications industry, the telecommunications operators rely on each other. , electricity (four) forest-like drop, therefore, the centralization and automation of the recorder and monitoring (four) financial telecommunications industry slaves important steps; in the need to focus on monitoring to reduce operating costs, how to correctly and simply The alarm signal is converted into information that can be transmitted, and the actual scale is used to control the quality. In the current telecom (10) telecommunications room, there are many devices that need centralized management and monitoring. The voltages reflected by different monitoring points are different, and there is no external alarm signal acquisition device available, so it is difficult to Centralized monitoring of the telecommunications room. As can be seen from the above, the above (4) telecom room environmental monitoring device is lacking in wealth, and it is not a good design. It is urgent to be improved. β η The inventor of the inventor is accustomed to the above-mentioned meals, which are new and more After the bells and smuggling, the money is as good as the device, 帛W, ,, and the development of the equipment, the telecommunications room, the technology, the object, the object, the object, the object, the object, the object, the target of the invention. The invention provides a telecom environment monitoring device, which has a commercial triggering mode, which can be converted into an appropriate alarm input signal according to the normal or alarm state presented by different monitoring points. - The purpose of the invention is to provide a telecommunications room environment monitoring device, which has the capability of self-testing, and the readable and detecting device is in a state of being operated in a positive f state, so that the maintenance personnel can quickly perform maintenance. The invention provides a telecommunication room environment monitoring device which has dry contact capability and does not affect the equipment that has been monitored. The telecommunication room environment monitoring device which can achieve the above object of the invention mainly comprises: The alarm input signal voltage conversion module is responsible for capturing an unspecified external alarm voltage of the telecommunications room, and converting it into a modularized and single-type electronic signal via an appropriate resistor matching flip-on, the electronic signal is The alarm signal suitable for starting the logic circuit provides the correct alarm message of the maintenance center without affecting the existing equipment; the telescope mirror monitoring device of the invention has 1 to 4 alarm input signal voltage conversion modules, and each alarm input signal voltage The conversion module can have up to 5 input conditions, and each input condition has a maximum of 8 input signals, so the device can monitor up to 160 input signals at the same time; an alarm input signal logic conversion module enables unspecified monitoring status ( The actual condition can also correspond to the same voltage (logic condition); an alarm output signal logic correction module for inverting a group of alarm signals: an alarm status display module, so that maintenance personnel detect the output of the input controller Signal, whether it is running normally; - Alarm circuit selection module 'for selecting one output controller In the same time, only one alarm input number logic correction module is selected as the object of monitoring; - the alarm circuit depends on the group of multiple alarm outputs (four) logic correction module, and the alarm signal processor is used to signal the signal And contact with the computer to transfer data; and * power supply seven, should be module 'use bus bar and connect, allow multiple alarm output signal logic correction module with the same time - (four) constant voltage of insult. [Implementation] Referring to the drawings, the drawings are the details of the telecom room environment monitoring device of the present invention. The telecommunication room environment monitoring device provided by the present invention mainly comprises: - an alarm input letter to the Wei pressure cell module The alarm voltage, the voltage converted by the appropriate resistor gi, is suitable for starting the alarm signal of the logic circuit; it is composed of a replaceable resistor bank (RPA) and five switches Sa (four) for unspecified external alarm voltage Va(,~4〇} is converted into an alarm signal suitable for starting the logic circuit via resistance matching; wherein each switch ϋ can monitor 8 external alarm voltages, which are arranged as Sa| control I, ^ control Va9 16, ..., Sa5 control Va33~4〇. - The alarm input signal logic conversion balance 2, so that the unspecified n-view state (actual condition) can also correspond to the same voltage (logic condition), which is composed of 40 switching ϋ(Μ〇), which is used for different meanings. The alarm signal is converted into a low-sum (normal state) Vli (MQ) and transmitted to the input controller XOR丨. - Alarm output signal logic correction module 3 for inverting a group of alarm signals; consisting of 5 丄: W723 switch sb (4), each switcher simultaneously controls 8 input signals for a set of alarm signals The inverting vgi (4) is transmitted to the input controller xpRi, which is arranged to control I, ^ control Va9~16, ..., sb5 to control Va33~. Alarm-like leakage tf module 4 'secret detection output person (four) ^ XC) Ri& X〇R2, sent "number V_, whether it is normal operation, its logic signal is % (four)) ten%, ten ^ (four), when %, is When the voltage is low, the LED will light; otherwise, when v〇(m.) is high voltage, the coffee will not be 7C, so that the maintenance personnel can check whether the signal sent by the heart controller (4) is running normally. The circuit selection module 5 selects only one alarm output signal logic correction mode at any time, and the switching gg Sb on the '3' (i 5> is the object of monitoring; there are 5 alarm correction module 3 for each alarm output Switching H Sb, so it can be divided into 5 time periods for monitoring. At any time, the alarm circuit selection module 5 selects only - 8 groups of input signals for monitoring. The alarm circuit parallel module 6 allows multiple alarm outputs. The signal logic correction module 3 includes a police L processor, and the alarm signal processor is a digital signal processor (10). The chip 'the circuit parallel module 6 is simultaneously _ the alarm signal processor is responsible for processing Signal and transmit data to and from the computer via RS-232. Power Supply Module 7, Parallel connection by busbars, allowing multiple alarm output signal logic correction module 3 to use a 5 volt power supply at the same time. ^图图-, is the monitoring point state setting diagram of the electric environment monitoring device of the present invention, which is Each alarm input Wei voltage transfer group can monitor the five groups of input status, the different input status of each group: 8 different input conditions are provided in Figure 2, and the input signal of each input state Both have their normal conditions and fine conditions. With the combination of appropriate (4) exclusion (4) and switch 8 1337723 (switch), the logic state of the output signal can be known. For example, taking condition 1 as an example, the external input voltage Va is normal. It is -48V to -20V. When the alarm condition (short circuit (GND) or open circuit (OPEN)), it is converted into a suitable logic circuit by resistor matching (displacement RPA using 33〇ΚΩ, heart and Sb are all switched to Vcc). The alarm signal Vi. Taking the condition 2 as an example, the external input voltage va is normally -5V and the short circuit (GND) 'When the alarm condition (open circuit (〇pEN)) occurs, the resistance is matched (the resistor RPA uses Ι0ΚΩ * Sa and Sb is switched to vcc) converted to suitable for booting The alarm signal % of the logic circuit.

本發明電信室環境監視裝置中的舞片監視卡板都使用可抽換式的柄阻 和SA Sb切換器共有5組’目的之-是每組輸人狀況的排阻是由8個電阻 所組成的,所以每組輸入狀況最多有8個輸入信號,目的之二為了適應不 同的輸入狀況條件,因此設計彈性可調整、可抽換的排阻與切換器,以方 便每片監視卡板最多可以監測40個輸入信號(Sa|/Sbi控制% 8、8爲控制The dance film monitoring card in the telecom room environmental monitoring device of the present invention uses a removable handle and a SA Sb switcher to have 5 sets of 'purposes' - the displacement of each group of input conditions is determined by 8 resistors. The composition of each group of input conditions has a maximum of 8 input signals, the purpose of the second in order to adapt to different input conditions, so the design of flexible adjustable, replaceable exclusion and switcher, to facilitate each monitor card Can monitor 40 input signals (Sa|/Sbi control% 8, 8 for control

Vcc; ιό表示 GND,h。表Vcc; ιό means GND, h. table

Va9〜16、…、Sa5/Sb5控制Va33~40)。圖中!!表示sa和sb皆切換至Va9~16,...,Sa5/Sb5 control Va33~40). In the picture! ! Indicates that sa and sb are both switched to

Sa切換至GND ’ Sb切換H !i表示sa切換至Vcc,Sb切換至 示Sa和Sb皆切換至GND。 本發明所提供之電信室環境監錄置,在_設計與電路實施上均屬 創新突破,更具有下列之優點: K本發明制-告警輸人信號賴轉級组,使得不特定之外部告警電 壓’經由適當之電阻匹配轉換後之電壓,適合啟 口3 ^科電路的告警信號。 2.本發明採用一告警輸入信號邏輯轉換模组, W +特定之監視狀態 (實際狀況)亦能對應至相同電壓(邏輯狀況)。 ⑴7723Sa switches to GND' Sb switches H !i means sa switches to Vcc, Sb switches to show Sa and Sb both switch to GND. The telecommunications room environment monitoring and recording provided by the invention is an innovative breakthrough in the design and circuit implementation, and has the following advantages: K the invention system-alarm input signal conversion group, so that the external alarm is not specified The voltage 'matches the converted voltage via a suitable resistor, which is suitable for the alarm signal of the circuit. 2. The present invention employs an alarm input signal logic conversion module, and the W + specific monitoring state (actual condition) can also correspond to the same voltage (logic condition). (1)7723

告警狀態顯示模,组,使得維護人員可以立即檢 3.本發明採用一 組可以監視更多的監測點。 4.本發明採用一告警妝 測輪出入 之—可行實施例之具體制,惟該實施例 控制器所送之信號,是否正常運轉。 上列詳細說明係針對本發明之一 並非用以關本㈣之翻軸,凡未本發藝精騎為之等效實 施或變更,均應包含於本案之專利範圍卜 综上所述,本料但在技術思紅確制新並能較㈣物品增進上 述多項功效’應已充分符合_性及辭性之發明專稱件絲法提出 申請’.騎貴局郷本件㈣專财請案,⑽發明,至感德便。 【圖式簡單說明】 μ參閱以T有關本㈣—較佳實施例之詳細說縣其關,將可進一 步瞭解本發明之技術内容及其目的功效;有關該實關之附圖為: 圖一為本發明電信室環境監視裝置之結構圖;以及 圆二為該電信室環境監視裝置之監測點狀態設定圖。 【主要元件符號說明】 1告警輸入信號電壓轉換模組 2告警輸入彳g號邏輯轉換模組 3告警輸出信號邏輯修正模組 4告警狀態顯示模組 5告警電路選擇模組 6告警電路並聯模組 7電源供應模組 10The alarm status displays the mode and group so that the maintenance personnel can immediately check. 3. The present invention uses a group to monitor more monitoring points. 4. The present invention employs an alarm makeup wheel for access - a specific embodiment of the possible embodiment, but whether the signal sent by the controller is normally operating. The above detailed description is directed to one of the present inventions and is not intended to be used for the reversal of this (4). Any equivalent implementation or modification of this product should be included in the patent scope of this case. However, in the technical thinking, the new method can be improved and the (four) items can improve the above-mentioned multiple functions. 'The application should be fully complied with the invention of the invention of the sex and the resignation.' (10) Invention, to the sense of virtue. [Simplified illustration of the drawings] μ Referring to the details of the preferred embodiment of the present invention, the technical contents of the present invention and the effects of the objects of the present invention can be further understood; It is a structural diagram of the telecommunication room environment monitoring device of the present invention; and the second is a monitoring point state setting diagram of the telecommunication room environmental monitoring device. [Main component symbol description] 1 alarm input signal voltage conversion module 2 alarm input 彳g number logic conversion module 3 alarm output signal logic correction module 4 alarm status display module 5 alarm circuit selection module 6 alarm circuit parallel module 7 power supply module 10

Claims (1)

1337723 十、申請專利範圍: L 一種電信室環境監視裝置,包括: —告警輸人㈣電難換模組,娜電信室獨定之外部告警電壓經 由適當之電阻匹配轉換後之電壓,適合啟動邏輯電路的告警信號: 。警輸入信號邏輯轉換模組’使得;I;特定之監視狀態(實際狀況)亦能 對應至相同電壓(邏輯狀況); 告警輸出信號邏輯修正模組,用於把_組告警信號反相: 一告警狀態顯示模組’用於檢測輸出人控制器所送之信號是否正常運 轉’若該信號不正常,則會顯示告警狀態; 一告警電路選擇模組’用於選擇—個輸出人控制器,在同_時間只選擇 一個告警輸出信號邏輯修正模組為監視之對象; 一告警電路綱,容許多個告警輸出信號邏輯修正模組,同時一使 用告警信號處理n來負責處理健,並與電觸繫轉着料;以及 一電源供隸組,使龍流排並接,容衫個告讀出信_輯修正模 組同一時間使用一個特定電壓之電源。 2·如申請專利範m第丨顧述之電健環境監視裝置,其中該轉輸入作 號電壓轉換模組係由可抽換電阻排組及5個切換器組成。 3.如申請專利範圍第2項所述之電信室環境監視裝置,其中該切換器每個 可監控8個外部告警電壓。 如申請專利範圍第丨項所述之電信室環境監視裝置,其巾該告警輸入严 警信號,轉 號邏輯轉換模組係由40個切換器組成,用於把不同意義之生 Π 4. 1337723 換成一致的低電壓(正常之狀態),傳送至輸入控制器。 5. 如申請專利範圍第1項所述之電信室環境監視裝置,其中該告警輸出信 號邏輯修正模組係由5個切換器組成,每個切換器同時控制8個輸入信 號,用於把一組告警信號反相。 6. 如申請專利範圍第1項所述之電信室環境監視裝置,其中該告警狀態顯 示模組是以LED來顯示告警狀態。 7. 如申請專利範圍第1項所述之電信室環境監視裝置,其中該告警電路並 聯模組,可透過RS-232與電腦傳遞資料。 8. 如申請專利範圍第1項所述之電信室環境監視裝置,其中該電源供應模 組中,多個告警輸出信號邏輯修正模組同一時間使用一個特定電壓為5. 伏特。1337723 X. Patent application scope: L A telecom room environmental monitoring device, including: - alarm input (4) electric hard-change module, the external alarm voltage uniquely set by Na Telecom's room is matched with the voltage after conversion by appropriate resistor, suitable for starting logic circuit Alarm signal: . The alarm input signal logic conversion module 'is; I; the specific monitoring state (actual condition) can also correspond to the same voltage (logic condition); the alarm output signal logic correction module is used to invert the _ group alarm signal: The alarm status display module 'is used to detect whether the signal sent by the output controller is running normally'. If the signal is not normal, the alarm status is displayed; an alarm circuit selection module is used to select an output controller. In the same time, only one alarm output signal logic correction module is selected as the monitoring object; an alarm circuit class allows multiple alarm output signal logic correction modules, and at the same time, the alarm signal processing is used to handle the health and power The contact system turns the material; and a power supply for the group, so that the dragon flow row is connected, and the singer reads the letter _ the correction module uses a specific voltage power at the same time. 2. For example, the application of the patent model m 丨 丨 之 之 之 之 之 之 之 之 , , , , , , , , , , , , , 电 电 电 电 电 电 电 电 电 电 电 电 电3. The telecommunications room environmental monitoring device of claim 2, wherein the switch can monitor eight external alarm voltages each. For example, in the telecommunications room environment monitoring device described in the scope of the patent application, the alarm input alarm signal, and the logical conversion module is composed of 40 switches for generating different meanings. 4. 1337723 Switch to a consistent low voltage (normal state) and transfer to the input controller. 5. The telecom environment monitoring device according to claim 1, wherein the alarm output signal logic correction module is composed of five switches, each of which simultaneously controls eight input signals for one The group alarm signal is inverted. 6. The telecommunications room environment monitoring device of claim 1, wherein the alarm status display module displays an alarm state by an LED. 7. The telecommunications room environmental monitoring device according to claim 1, wherein the alarm circuit is connected to the module to transmit data through the RS-232 and the computer. 8. The telecommunications room environmental monitoring device of claim 1, wherein the plurality of alarm output signal logic correction modules use a specific voltage of 5. volts at the same time.
TW96127696A 2007-07-30 2007-07-30 Telephone utility room environment monitoring device TW200905618A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW96127696A TW200905618A (en) 2007-07-30 2007-07-30 Telephone utility room environment monitoring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW96127696A TW200905618A (en) 2007-07-30 2007-07-30 Telephone utility room environment monitoring device

Publications (2)

Publication Number Publication Date
TW200905618A TW200905618A (en) 2009-02-01
TWI337723B true TWI337723B (en) 2011-02-21

Family

ID=44722803

Family Applications (1)

Application Number Title Priority Date Filing Date
TW96127696A TW200905618A (en) 2007-07-30 2007-07-30 Telephone utility room environment monitoring device

Country Status (1)

Country Link
TW (1) TW200905618A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105355000A (en) * 2015-12-11 2016-02-24 谭焕玲 Power transformer state monitoring alarm device
CN105448018A (en) * 2015-12-30 2016-03-30 国网山东郓城县供电公司 Intrusion alarm system for power system control machine room

Also Published As

Publication number Publication date
TW200905618A (en) 2009-02-01

Similar Documents

Publication Publication Date Title
US9247374B2 (en) Terminal device, communication system and method of activating terminal device
TW201018312A (en) Methods and apparatus for determining relative positions of LED lighting units
TWI337723B (en)
JP2013054645A (en) Optical information reading apparatus
CN203705582U (en) Test circuit for open circuit of conducting circuit
JP2012042507A (en) Video display device
TW201232884A (en) Battery system, controller and monitoring method
KR20200114673A (en) self-powered vital signs sensor and monitoring system using the same
CN107064775A (en) A kind of system that distributed reliability test is carried out to printed circuit board (PCB)
CN205426364U (en) Intelligence humiture measurement system
Frimpong et al. Innovative IoT-Based Wristlet for Early COVID-19 Detection and Monitoring Among Students.
CN110728886A (en) Braille learning system, fingertip sensor and forming method thereof
TW201041445A (en) Driving circuit of light emitting diode
CN109298268A (en) A kind of high-tension cable monitoring device
TW201105175A (en) Driving system of light emitting diode and driving apparatus thereof
TW201245946A (en) A system for monitoring power of a computer
CN209400618U (en) A kind of high-tension cable monitoring device
Rabbani et al. Design and development of a low cost personal computer based ECG monitor
TWM432074U (en) Power monitoring system for case
CN201888810U (en) Online device for remote pulse imaging and remote online diagnosis in traditional Chinese medicine
TW200823427A (en) Optical position tracking device and method of testing the same
CN207623503U (en) The system for matching high-voltage switch gear tester for testing operating characteristics trigger signal and triggering mode
KR101497049B1 (en) Smart measuring instrument for inclusive education
CN215219124U (en) Power-on control testing device based on DS1286
CN218496148U (en) Internet of things development kit

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees