CN2694395Y - Safe low pressure emergency lighting electronic equipment with fire/theft alarm monitoring function - Google Patents

Safe low pressure emergency lighting electronic equipment with fire/theft alarm monitoring function Download PDF

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Publication number
CN2694395Y
CN2694395Y CN 200420034295 CN200420034295U CN2694395Y CN 2694395 Y CN2694395 Y CN 2694395Y CN 200420034295 CN200420034295 CN 200420034295 CN 200420034295 U CN200420034295 U CN 200420034295U CN 2694395 Y CN2694395 Y CN 2694395Y
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circuit
low
fire
monitoring
emergency lighting
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CN 200420034295
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Chinese (zh)
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张如福
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绵阳市东升电子科技有限责任公司
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Abstract

The utility model discloses a safe low pressure emergency lighting electronic device with fire/theft alarm monitoring function; the utility model is characterized in that the electronic device is composed of an alternating current power failure monitoring and changeover circuit (105), a battery charging and anti over-charging circuit(102), a fire smoke monitoring circuit(201), a combined thief condition monitoring circuit(301), a low-voltage emergency lighting circuit (106), a direct current low-voltage exhaust fan (203), a speech recording and reproducing circuit module (107, 202), a wireless encode remote control component(204, 205), a small power wireless emissive and reception module(206, 207), etc.; when the alternating current supplying is cut off and the phenomena of fire warning or thief warning occurs, the utility model can be automatically changed into the state of secure low-voltage emergency lighting, and simultaneously, the corresponding voice cast, the wireless transmitting circuit, and the low-voltage exhaust fan are enabled at the same time. The thief condition can be monitored with both microwave human body displacement detection and thermoelectric infrared human body displacement detection, which enhances the precision of warning. The utility model has multiple functions such as high reliability and strong practicability.

Description

具有火、盗警自动监控功能的安全低压应急照明电子装置 It has fire, theft alarm automatic monitoring function of safe low emergency lighting electronics

技术领域 FIELD

本实用新型属于应急照明装置及监控报警领域,具体涉及一种直流低压自动应急照明及火、盗情自动监控报警装置。 The present invention belongs to the emergency lighting device and alarm monitoring, and in particular, to a DC voltage automatic fire and emergency lighting, automatic monitoring and alarm apparatus Pirates of the situation. 是一种安装在公共场所的交流电一旦停电立刻自动转为低压应急照明,交流电来电,自动停止应急照明。 AC is mounted in a public place immediately upon power failure automatically to the low pressure emergency lighting, AC calls, emergency lighting is automatically stopped. 本实用新型的装置还兼有火、盗情自动监控报警的功能。 The present invention further both fire, theft alarm situation automatic monitoring.

背景技术 Background technique

目前市面上应急照明多采用“停电宝”,它是将蓄电瓶直流低压逆变成交流220V高压供照明系统用,多数均需在停电后手动断开交流电源,再开启“停电宝”供电,反应迟缓,且高压应急照明,若遇火灾、水灾、地震等意外时,电线断落和各用电器对群众和救灾人员易造成电击威胁生命,因此往往救灾时又需拉闸断电,失掉了关键时刻应急照明的作用。 Emergency lighting currently on the market use more "power Po", it is inverted into the low-pressure accumulator battery DC 220V AC high voltage for lighting systems, most of the power required to manually disconnect the AC power and then turn on "power Po" power supply, slow response, and high-pressure emergency lighting, in case of accidental fires, floods, earthquakes, and each wire broken off electrical appliances for people and relief workers could easily lead to life-threatening electric shock, relief time and therefore often need to wind up its power, lost the key moment of the emergency lighting effect. 且普遍功能单一。 And generally single function.

专利文献公开(公告)号为CN2286945、实用新型名称为“自动电话拨号报警和应急照明装置”的专利技术涉及与火灾、警察、盗窃或其他报警系统组合的电话通信系统,具有声光报警、自动拨号报警、应急照明等功能,但是不具备现场排出火灾烟雾、语音广播遥控强制启动火灾报警排出火灾烟雾等功能。 Patent Document Publication No. (Kokoku) as CN2286945, disclosure entitled telephone communication system "automatic telephone dial-up alarm and emergency lighting device" patent relates to fire, police, theft or other alarm systems in combination with sound and light alarm, automatic dial-up alarm, emergency lighting and other functions, but do not have the fire smoke discharge site, the remote voice broadcast start compulsory discharge fire smoke fire alarm functions.

发明内容 SUMMARY

本实用新型的目的是提供一种具有火、盗警自动监控报警功能的安全低压应急照明电子装置。 The object of the present invention is to provide a fire, burglary security low pressure emergency lighting automatic monitoring alarm function of the electronic device.

本实用新型由监测电路、控制电路、报警电路、执行电路四个部分组成,监测电路包括:交流电停电监测电路及转换电路、火灾监测电路、复合式盗情监测电路。 By the monitoring circuit of the present invention, a control circuit, the alarm circuit, the circuit performs four parts, the monitoring circuit comprising: an alternating current power circuit and the switching circuit monitoring, fire monitoring circuit monitoring circuit composite Pirates of the situation. 其交流电停电监测电路及转换电路由并联在桥式整流电路输出端的继电器K1和去控制语音广播电路、低压应急照明灯的常闭接点K1-2、K1-1组成;火灾烟雾监测电路由离子烟雾传感器UD02和专用集成电路IC1及向电子开关输出控制信号的滤波电路电阻R14、电容C10、电容C11组成;复合式盗情监测电路由微波感应人体位移探测组件WB和热释电红外人体位移探测组件HD将两者输出端分别连接在由与非门A1、A2组成的与门电路的两输入端组成;控制电路由开关管V6、继电器K2组成的电子开关去控制火灾报警电路、低压排气扇M、低压照明灯HL;由开关管V9、继电器K3组成的电子开关去控制盗情报警电路,低压照明灯,控制电路还包含在特殊情况下强制启动火灾报警及排气扇工作的无线编码遥控组件,含发射器YF、接收器YJ,接收器的输出端经串联的电阻R28将指令信号输送至 Which AC power failure by the monitoring circuit and a switching circuit connected in parallel with the relay K1 output of the bridge rectifier circuit and a circuit to control the voice broadcast, a low pressure emergency lights normally closed contact K1-2, K1-1 composition; Fire Smoke Smoke ion monitoring circuit UD02 sensor and application specific integrated circuits IC1 and filter circuit composed of a resistor R14 to the output control signal of the electronic switch, capacitor C10, capacitor C11; Pirates of the compound by the microwave sensor monitoring circuit case body and the displacement detection assembly WB pyroelectric infrared detection component displacement body HD output terminals are both connected to a two-input NAND gates A1, A2 aND circuit composed of the composition; an electronic switch by the switch control circuit V6, composed of relay K2 to the control circuit fire alarm, the low pressure exhaust fan M, the low-pressure lamp of HL; V9 electronic switch by the switch, relay K3 Pirates of the situation to control the composition of the alarm circuit, low voltage lighting, the control circuit further comprises forced start the fire alarm and the exhaust fan operating in special cases a wireless remote control codes assembly, via a series resistor R28 to the output of the transmitter containing YF, YJ the receiver, the receiver will command signal to the 电子开关管V6的基极;报警电路由语音录放模块LFI、LFII,及对录放模块进行触发放音的低频自激振荡电路、警车声产生电路、9561,功放电路IC3和与功放输出端连接的喇叭B、小功率无线发射、接收模块FS、JS组成;执行电路包括直流低压应急照明灯电路、直流低压排气扇。 Electronic switch substrate tube V6 pole; alarm circuit by the voice recording module LFI, LFII, and for recording the module low-frequency self-oscillation circuit trigger playback, the police sound generation circuit 9561, amplifier circuit IC3, and the amplifier output terminal connected to speaker B, low power radio transmitter and receiver modules FS, JS composition; actuation circuit comprises a low voltage DC emergency lighting circuit, low voltage DC fan.

变压整流电路将220V交流电降压整流成27V脉动直流电,此电压一路通过晶闸管SCR组成的充电电路向蓄电池G充电,其中还设置有防过充电电路。 Transformer rectifier circuit 27V 220V AC is rectified into pulsating direct current down, this way the voltage through the charging circuit composed of a thyristor SCR to the battery charging G, which also is provided with an overcharge circuit. 另一路供交流电监测及转换电路作监测信号,根据此信号的有无通过继电器K1分别控制停电语音录放模块、功放电路、低压应急照明电路是否工作。 Another way for monitoring and switching circuit for AC monitoring signal, respectively, depending on whether the signal is voice recording power control module by the relay K1, the power amplifier circuit, the low pressure emergency lighting circuit is working. 直流稳压电路、它将蓄电池电源降压、稳压后分别输出12V、9V、6V直流电源供相关电路工作。 DC circuit which down the battery power supply, the regulator outputs 12V, 9V, 6V DC power supply circuit associated. 火灾监测电路将监测到的火灾烟雾转换成电信号通过三极管V6、继电器K2组成的电子开关分别控制火灾语音录放模块、功放电路、小功率无线发射模块、低压应急照明电路、直流低压排气扇同时工作。 Fire monitoring circuit to monitor the fire smoke is converted into an electrical signal by the electronic switch transistor V6, the relay K2 are composed of the fire control voice recording module, amplifier circuit, low power wireless transmitter module, the low pressure emergency lighting circuit, while the low voltage DC fan jobs. 值班人员身边的小功率无线接收模块收到此信号后发出相关报警声,可使值班员采取进一步的措施。 Issued after the relevant alarm on duty around the low-power wireless receiver module receives this signal, it allows the attendant to take further measures. 在特殊情况下,值班员还可按动身上匙扣式无线编码遥控组件中的遥控发射器的“启动”键A发出启动指令,遥控接收器收到指令信号后从输出端将“启动”信号仍通过V6、K2组成的电子开关去控制火灾报警电路、直流低压排气扇、低压应急照明电路同时工作。 In special cases, the attendant who may press the remote control transmitter key chain coding wireless remote control components of the "start" button A start command issued from the output terminal "Start" remote receiver receives a command signal still by V6, the switch K2 to control the composition of fire alarm circuit, low voltage DC fan, the low pressure emergency lighting circuit simultaneously. 复合式盗情监测电路将盗情信号转换成电信号通过由V9、继电器K3组成的电子开关,一路去控制警车声产生电路、功放电路、小功率无线发射模块工作。 Compound Pirates of the situation monitoring circuit converts the signals into electrical signals by Pirates of the situation by the electronic switch V9, composed of relay K3, all the way to the police to control sound generation circuits, power amplifier circuitry, low-power wireless transmitter module work. 产生盗警广播和盗警信号发射;另一路控制低压应急照明电路同时工作。 Burglary generating a broadcast signal transmitting and burglary; another way to control the low emergency lighting circuit simultaneously. 低频自激振荡电路产生的触发信号分别输送至语音录放模块的触发端,使预先录制的相关语音反复输出。 Low-frequency self-oscillation circuit generates trigger signals are sent to the trigger terminal of the voice recording module, so that the relevant pre-recorded voice output repeatedly.

本实用新型的各部分电路均在安全的直流低压(24V)以下工作,集应急照明、充电、火、盗情自动监控、报警、排气、遥控强制报警排气、自动语音广播等多功能为一体,实用性强。 Portions of the present invention work in a safe circuits are DC low voltage (24V) hereinafter set emergency lighting, charging, fire, theft situation automatic monitoring, alarm, exhaust, remote alarm forced exhaust, and other functions as automatic voice broadcast integrally, practical.

采用本实用新型,可以在交流电停电时,装置能够自动迅速进入低压应急照明状态,同时自动播放预先录制的稳定人心的语音广播。 According to the present invention, it may be when the AC power failure, the device can automatically quickly into the low pressure emergency lighting state while AutoPlay reassure the pre-recorded voice announcements. 交流电恢复供电时,又能自动停止低压照明及广播,自动给蓄电池充电。 When AC power is restored, and can automatically stop broadcasting low-voltage lighting, automatic charge the battery. 当有火警、盗情发生时能及时报警,对火情可以进行全天候监控,在火警发生时为减小伤亡,能自动开通安全通道的低压照明和低压排气扇,自动播放预录好的关于疏散群众和救火的语音广播,可大大减小因火灾烟雾和混乱对人群产生的致命威胁。 When a fire, a timely alarm theft occurs, the fire can be for weather monitoring, in order to reduce injuries in case of fire, can automatically open the low-pressure and the low pressure exhaust fan lighting secure channel, automatically play prerecorded on mass evacuation and fire fighting voice broadcast, can greatly reduce the deadly threat due to fire smoke and confusion of the crowd produced. 此火、盗情报警讯号还能通过无线发射传至值班人员身边的接收机。 This fire, theft alarm signal intelligence receiver side can transmit wirelessly transmitted to duty. 若遇某些意外,如风向不对,或着火点离传感器较远,未来得及自动报警,值班人员还可通过按动身边无线编码遥控发射器,遥控强制开启火灾报警系统的排气扇、应急照明灯、语音广播等。 In case of some unexpected, as does the wind, from the sensor, or the ignition point is far, not enough time to alarm, but also by pressing duty encoder side wireless remote control transmitter, remote fan forced open fire alarm system, emergency lighting , voice broadcasting.

本实用新型的电子装置与目前同类应急照明产品比较,具有以下特点:1、采用直流低压应急照明,直流低压应急排气,工作在安全电压以下,操作安全。 The electronic device according to the present invention compared with the present products similar emergency lighting, has the following characteristics: 1, low voltage DC emergency lighting, emergency low voltage DC discharge, working at a safe voltage, safe operation. 2、能自动及时开启和停止应急照明,应急排气。 2, can automatically start and stop timely emergency lighting, emergency exhaust. 3、在异常情况下,能及时自动开启相应语音广播,稳定人心,利于人群疏散和救灾。 3, in exceptional circumstances, in time to open the corresponding automatic voice broadcast, to reassure the public, which will help evacuation and disaster relief. 4、采用可靠性高的离子火灾烟雾传感器及专用IC片,提高了火警监测的准确性。 4, high reliability and special ion fire smoke sensor IC chips, improved the accuracy of the fire detectors. 5、在报警的同时,可以自动打开或遥控强制打开安全通道低压照明灯和低压排气扇,可以有效减轻灾情、减少人员伤亡。 5, while the alarm, the remote control can automatically open or forced open a secure channel low-voltage lamps and low pressure fan, can effectively reduce the disaster, reduce casualties. 6、采用不同物理属性的复合防盗监测,可以提高报警准确性,降低误报率。 6, different physical properties of the composite intrusion monitoring may improve the accuracy of the alarm, reducing false positives. 7、采用小功率无线发射技术,可以将灾情、盗情及时通知有关人员。 7, using low-power wireless transmission technology, will be the disaster, Pirates of the situation promptly notify the person concerned. 8、具有对蓄电池自动充电、充满自停及防过充功能。 8, with automatic battery charging, stoped and overcharge protection function.

本实用新型的装置具有多功能于一体,且电路简单、原材料易购,所使用各种传感器、语音录放块、编码遥控收发组件、小功率无线发射和接收模块、直流低压照明灯、排气扇用30~50W直流低压电动机等市面上均可买到,成本较低,实用性强。 The present invention means having in-one, and the circuit is simple, easy to purchase raw materials, the use of various sensors, voice recording block, coded remote transceiver unit, low power wireless transmission and reception modules, DC low voltage lighting, fan with 30 ~ 50W low-voltage DC motor or the like may be commercially available, low cost, practical.

附图说明 BRIEF DESCRIPTION

图1为本实用新型具有火、盗警自动监控功能的安全低压应急照明电子装置的原理框图。 FIG present invention has a fire, the emergency lighting safe low schematic block diagram of the electronic device automatically monitoring the burglary.

图2为本实用新型具有火、盗警自动监控功能的安全低压应急照明电子装置的实施例的电路图。 FIG 2 of the present invention have a fire, a circuit diagram of an embodiment of an electronic device safe low emergency lighting burglary automatic monitoring function.

图3为本实用新型具有火、盗警自动监控功能的安全低压应急照明电子装置的外形示意图。 FIG 3 with the present invention a fire, the emergency lighting schematic outline of the electronic device safe low burglary automatic monitoring function.

图4为本实用新型具有火、盗警自动监控功能的安全低压应急照明电子装置的后面板图。 4 of the present invention with FIG fire, burglary rear panel of Fig automatic security monitoring emergency lighting low voltage electronic device.

下面结合实施例,对本实用新型具有火、盗警自动监控功能的安全低压应急照明电子装置作进一步说明。 In conjunction with the following embodiments, the present invention has a fire, the low pressure safety electronic device for emergency lighting burg automatic monitoring function is further described.

具体实施方式 Detailed ways

本实用新型包括:监测电路,含交流电停电监测及转换电路(105)、火灾监测电路(201)及复合式盗情监测(301)、辅助电路:含变压整流电路(101)、蓄电池充电及防过充电路(102)、直流稳压电路(104)。 Present invention comprising: a monitoring circuit comprising AC power failure and monitoring switching circuit (105), fire monitoring circuit (201) and the compound of formula theft situation monitoring (301), the auxiliary circuit: a rectifier circuit comprising transformer (101), battery charge and the overcharge preventing circuit (102), the DC voltage regulator circuit (104). 执行电路:含低压应急照明电路(106)、直流低压排气扇(203)。 Execution circuit: comprising a low pressure emergency lighting circuit (106), low voltage DC fan (203). 报警电路:含停电语音录放电路模块(107)、功放电路(109)、火警语音录放模块(202)和触发两个语音电路反复放音的低频振荡电路(108)、警车声产生电路(302)及无线编码遥控电路(204、205)、小功率无线发射模块(206)、接收模块(207)等。 Alarm circuit: voice recording circuit containing power module (107), amplifier circuit (109), the fire voice recording module (202) and the trigger circuit repeatedly two voice playback low frequency oscillation circuit (108), police sound generation circuit (302) encoding and wireless remote control circuit (204, 205), low power wireless transmitter module (206), a receiving module (207) and the like.

(101)中变压器T起变压和高压隔离作用,交流电停电探测及转换电路(105)由跨接在次级整流输出两端的继电器K1完成,有交流电时,由V01~04组成的桥式整流电路输出27V脉动直流电压,K1吸合,K1-1常闭接点断开与蓄电池G的连接,低压应急照明灯(106)不工作。 (101) since the transformer T and the high voltage isolation transformer, and converting AC power failure detection circuit (105) by the relay K1 is connected across the output ends of the secondary rectification is completed, when the alternating current, the V01 ~ 04 bridge rectifier consisting of 27V output of the pulsating DC voltage circuit, Kl pull, K1-1 normally closed contacts open, the low pressure emergency lighting lamps (106) connected to the battery does not work with the G. 同时K1-2常闭接点断开,使停电语音模块I(107)不工作,无停电语音广播。 While the normally closed contact K1-2 turned OFF, the voice module power I (107) does not work, uninterruptible voice broadcast. 当交流电停电时,上述接点翻转闭合,低压应急照明灯得电上作。 When the AC power failure, the contact point inversion, low pressure emergency lighting power for too. 同时K1-2接通“停电语音录放电路”(107)的电源,此语音电路是在(108)低频振荡电路的触发脉冲作用下,反复放出预录在(107)内的关于临时停电的语音,通过电容C21耦合至(109)功放后由喇叭B播出。 At the same time the power is turned K1-2 "voice recording circuit outage" (107), this voice circuits under action of the trigger pulse (108) of the low frequency oscillation circuit is repeated in the pre-recorded voice release (107) on a temporary power outage , is coupled to the (109) broadcast by the amplifier via a capacitor C21 speaker B. 若不需要广播时,可关断S4。 If needed broadcasting, it can be switched off S4. 交流电来电后,继电器K1又吸合,各接点翻回原状,停电应急照明系统停止工作。 After alternating calls, and pull the relay K1, the contacts turned back, and emergency lighting system to stop working.

(102)为蓄电池自动充电及防过允电路,变压器次级电压为交流30V,其一端3脚接由整流二极管V01~04组成的桥式整流电路的输入端V04与V01的连接点,4脚接V02与V03的连接点,整流后的正电压输出端V01与V02的连接点接单向晶闸管SCR的阳极a,阴极b接充电电流表正端,表的负端接G的正端,电阻R3、RP1、电阻R4串联后接在a、g之间,调RP1即调整了SCR的导通角,串联于充电电路中的直流电流表A和并联在G两端的直流电压表V可同时观察充电电流及蓄电池的电压。 (102) and the battery is automatically charged to permit anti-over circuit, the transformer secondary voltage is AC 30V, having one end connected to pin 3 connected to the input terminal V04 and V01 point of the bridge rectifier circuit composed of rectifier diodes V01 ~ 04 composed of 4 feet V02 and V03 connected to a connection point, is rectified voltage output terminal V01 V02 contact with the connection point of the unidirectional thyristor SCR anode a, b connected to the cathode terminal of the positive charge ammeter, the positive terminal G negative termination table, the resistor R3 after RP1, resistor R4 is connected in series between a, g, i.e., adjusted tone RP1 SCR conduction angle, connected in series in the charging circuit and the DC ammeter a are connected in parallel across the DC voltmeter G V charging current can be observed simultaneously and battery voltage. 随着充电、G两端电压升高,SCR两端电压降低、I充减小,当Uab小于SCR的最小导通电压时SCR截止,充电自动停止。 As the charging voltage across G increases, the voltage across the SCR decreases, reducing the I charge, when the SCR Uab less than the minimum turn-on voltage SCR off, charging is automatically stopped. 使G不会被过充电。 So that G can not be overcharged. 但考虑到若电网波动过大,次级上电压波动过高而引起的过充电,(102)中还设置了防过充电路。 But if considering the power fluctuation is too large, the secondary high voltage fluctuations caused by the overcharge, the (102) further provided overcharge path. 取样电阻RP2、电阻电阻R9并接在G的两端其滑动触点引出脚接稳压二极管V3负端,V3正端通过电阻R8接开关管V2基极,V2发射极接地,集电极接电阻R4与RP1的连接点,取样电阻动触点调整位置为,当G为27.5V以下时,动触点上电压不使V3击穿,电阻R6上无电流,V2截止,集电极与发射极间相当于开路,不影响SCR的控制极,电压也就不影响充电电路。 RP2 sampling resistor, resistance of the resistor R9 is connected in sliding contact ends G of the lead pin is connected to the negative terminal of the zener diode V3, V3 via a resistor R8 connected to the positive terminal of the switch base V2, V2 emitter grounded, the collector resistor R4 and the connection points RP1, sampling resistor to adjust the position of the movable contact, when G is 27.5V or less, the movable contact without voltage breakdown V3, no current resistor R6, V2 is turned off, the collector and emitter is equivalent to an open circuit, does not affect the control electrode of the SCR, the voltage does not affect the charging circuit. 当VG>27.5V时,RP2动点电压升高,使V3击穿导通,Ib2增大,UB2上升,V2导通,V2的C、e间相当于通路而使VC2下降到0.3V,SCR的Vg也被嵌制于0.3V,SCR截止,充电停止,起到了防过充电不使VG异常升高的作用。 When the VG> 27.5V when, RP2 fixed point voltage increases, so that V3 breakdown conduction, Ib2 of increase, UB2 rises between conduction V2, V2 of C, e VC2 corresponding to the path down to 0.3V, SCR Vg of the system is also fitted to 0.3V, SCR is turned off, the charging is stopped, the overcharge played without VG abnormally elevated effect.

(104)为直流稳压电路,(103)为蓄电池G(电压24V),G的正端经串接极性保障二极管V8,降压电阻电阻R5后降压接入(104)输入端经7812、7809、7806三块稳压块稳压后,分别输出12V、9V、6V电压供电路使用。 (104) is a DC circuit (103) for the battery G (voltage 24V), through the positive terminal of series G polarity protection diode V8, after dropping resistor buck access resistor R5 (104) via the input terminal 7812 after three 7809,7806 regulator regulator block, outputs 12V, 9V, 6V voltage supply path to use.

火灾监控及报警电路由(201、202)等组成。 A fire monitoring and alarm circuit (201, 202) and other components. 当有火情时,产生的火灾烟雾浓度在空气中一旦达2%以上,(201)中的火灾烟雾传感器UD-02芯片即可探测到,C端电压大幅下降,专用集成电路MC14467将此处理分析后,即从其输出端输出Upp约4~5V的低频脉冲振荡信号。 When there is a fire, a fire smoke density generated in the air once more than 2%, the fire smoke sensor (201) UD-02 chips to detect, C terminal voltage dropped, this processing ASIC MC14467 after the analysis, i.e., low-frequency pulse output oscillation signal of about 4 ~ 5V Upp from its output terminal. 接在输出端的压电陶瓷蜂鸣片HR将发出75分贝以上的报警声。 Between the output terminal of the piezoelectric buzzer 75 will emit HR decibel alarm. 同时,此报警低频振荡信号经二极管V5送至电阻R14、电容C10、电容C11组成的滤波网络取出直流分量加至电子开关管V6基极,使V6基极电压升高,V6导通,继电器K2得电翻转,通过K2各对接点,控制直流低压排气扇得电排气,低压照明灯亮,停电语音模块I失电不工作。 Meanwhile, the low frequency oscillation alarm signal is sent via the diode V5 resistor R14, capacitor C10, capacitor C11 filter network consisting of DC component is added to remove the electronic switch base V6, V6 so that the base voltage is increased, V6 is turned on, the relay K2 flip energized, each pair of contacts by K2, the control low-voltage DC power flow exhaust fan, low voltage lighting lights, electric power loss of the voice module I does not work. 预先录好的关于火情的语音模块II(202)得电工作,在(108)低频触发信号作用下反复放音,通过电容C16耦合至功放(109)播出。 Prerecorded voice module on fire II (202) electrical work, under the action of the signal (108) to trigger a low-frequency repeated playback, coupled through capacitor C16 to the amplifier (109) broadcast. 此火警语音信号还由电容C16、电容C13耦合至小功率无线发射模块(206)输入端,通过发射模块发射出去,几十米内的值班员身边接收机(207)接收到此火警信号。 This fire speech signal is also coupled by the capacitor C16, capacitors C13 to low power wireless transmitter module (206) input and transmitted by transmission module attendant side receiver (207) receives tens of meters in this fire alarm signal. 考虑到某些特殊情况,如风向不对,或着火点离火情监测传感器稍远还来不及报警等,此时值班人员还可用无线编码遥控发射器(204)发出开启火灾报警系统的指令信号,无线编码遥控接收器(205)收到此信号核对编码无误后即从输出端输出高电平信号,通过电阻R28耦合至V6基极,使电子开关管V6翻转而导通,继电器K2得电吸合。 Taking into account some special cases, such as the wind does not, or ignition point farther away from the fire sensor further chance to monitor alarms, etc. At this time duty open fire alarm system may also issue a command signal, a coded radio transmitter radio remote control codes (204) remote control receiver (205) receive the check signal is correct after coding level signal is output from an output terminal coupled through a resistor R28 to the base V6, V6 electronic reversing switch is turned on, the relay K2 be energized. 即如前所述,火灾语音广播电路、安全通道低压照明及低压排气扇、小功率无线发射电路等都开始工作。 That is as described above, a fire broadcasting voice circuit, low voltage lighting safe passage and the low pressure exhaust fan, so low power wireless transmitting circuit to work.

(301、302)的防盗监测及报警电路中,其监测传感采用了与目前市面上所使用的单一微波人体位移探测或单一的热释电红外探测不一样,而是复合人体位移探测电路(301),它的特点是将探测物物理特性不一样的微波感应人体位移探测器WB(检测因人体移动引起微波反射不同)和热释电红外人体位移探测器HD(检测因人体移动引起的热红外线不同)复合使用,只有两种探测器同时测到人体位移,将其输出的高电平信号同时加至由IC2中A1A2组成的二输入端与门电路的两输入端时,此与门电路才会有高电平输出去控制电子开关管V9翻转,任何单一路有探测输出,门电路都不会有高电平输出。 (301, 302) and burglar alarm monitoring circuit, which monitors the sensor uses pyroelectric infrared detection displacement body is currently on the market a single microwave probe used in single or not the same, but the composite body displacement detection circuit ( 301), which is characterized by the physical characteristics of the probe was not the same microwave sensor detector displacement body WB (detected by the body movement due to the different reflected microwaves) and the pyroelectric infrared detector displacement body HD (heat sensing body movement caused by different IR) combined use, only two detectors simultaneously measure the displacement body, the high level signal output thereof while adding to the input terminals of two-input aND gate circuit composed of the composition when A1A2 IC2, and this gate circuit will have a high output to control the electronic switch V9 inverted, there is no single path detection output, the output of the gate circuit will not be high. 这样就避免了微波人体位移探测易受电磁干扰而误报,而热释电红外人体位移探测又易受温度干扰而误报的缺点,大大提高了报警准确度。 This avoids the shortcomings of human displacement detection microwave susceptible to electromagnetic interference and false positives, and pyroelectric infrared human motion detection and false positives are susceptible to temperature interference, greatly improving the accuracy of alarm. 当双复合探测器探测到有盗情时,双与非门输出高电平至电子开关管V9基极,其电压升高,V9导通,继电器K3得电翻转,使9561警车声产生电路(302)、功放电路(109)、低压明灯(106),小功率无线发射电路(206)都同时工作。 When the detector detects double compound Pirates situation, two NAND gates output high to the base of the electronic switch V9, its voltage increases, V9 turn, relay K3 is energized inverting the police sound generation circuit 9561 ( 302), the amplifier circuit (109), a low-pressure lamp (106), low power wireless transmitting circuit (206) operate simultaneously.

本实用新型的电子装置还可根据场地的大小同时在门、过道、窗边等不同部位安装多支火灾烟雾监测器和多支复合式盗情监测器,将其输出端分别并联连接在V6和V9电子开关管的基极即可。 The electronic device of the present invention may also be installed multibranched fire smoke detector and a multi-branched compound Pirates monitor the situation in different parts of the door, aisle, window, etc. The size of the venue, which output terminals are connected in parallel and V6 yl V9 electronic switch pole can. 任一组监测器监测到目标,其输出信号都能使相应报警系统全部启动工作。 Any of a group monitoring target is monitored, the output signal corresponding to the alarm system can make all of the start-up operation.

在图1、图2中可以看出,框图(101)为变压、整流电路。 In FIG. 1, it can be seen in FIG. 2, a block diagram (101) of the transformer, a rectifier circuit. T为电源变压器,起变压和高压隔离作用。 Power transformer T, and high voltage isolation transformer from. 交流220V的L端(相线)通过保险丝FU1、交流电电源开关S1接变压器T初级的1端,初级2端接N端(中线)。 The end of AC 220V L (line) through a fuse FU1, AC power switch S1 is connected to the end of the primary of the transformer T 1, the primary end-termination N (neutral). 次级绕组交流电压为30V,次级线圈3端接由二极管V01~04组成的桥式整流电路中V01与V04的连接点,4端接整流桥中V02与V03的连接点整流桥直流电压正输出端V01与V02的连接点接单向晶闸管SCR阳极a与电阻R3的连接点,直流电压另一输出端V03与V04连接点接参考点地端。 Secondary winding AC voltage is 30V, the secondary coil 3 by the diode bridge rectifier circuit termination V01 ~ 04 consisting of V01 and V04 connection point, the connection point of the rectifier bridge 4 termination V02 and V03 the voltage at the positive DC bridge rectifier an output terminal V01 and V02 is connected to the connection point unidirectional connection point of the anode of thyristor SCR and a resistor R3, the DC voltage V03 and V04 the other output terminal is connected to the reference point to the end point. 桥式整流输出脉动直流电压约27V。 Bridge rectifier output pulsating DC voltage of about 27V. (102)为给蓄电池(103)充电及防过充电路。 (102) is a battery (103) charging and overcharge path. (101)输出的脉动直流电压经串联的SCR向G充电,这即是充电主回路。 (101) the pulsating DC voltage outputted by the SCR in series to the charge G, i.e. it is charging the main circuit. 整流输出V01、V02连接点接SCR的a与电阻R3的连接点,SCR的阴极b接电流表A的正端与电阻R4的连接点电流表A的负端接直流应急照明电源开关S2与蓄电池(103)G的正端的连接点,G的负端接地。 Rectifier output V01, V02 contact connection point of a connection point of the resistor R3, the SCR, the SCR cathode b ammeter connected to the negative end of DC power for emergency lighting switch S2 to the battery (positive terminal 103 and the connection point of the resistor R4 of the ammeter A of the A ) negative positive terminal grounded connection point G, G's. 由次级绕组、整流电路、SCR、G构成了主充电回路。 By the secondary winding, a rectifying circuit, SCR, G constituting the main charging circuit. SCR的控制极g接电阻R4的一端,电阻R4另一端接电位器RP1的一端和其动触点的连接点,RP1的另一端接电阻R3,通过电阻R3另一端再接SCR阳极a,构成了晶闸管控制电路,调节RP1的值,即调整了SCR的充电电流的大小。 One end of a connection point of SCR control electrode g connected to the resistor R4, the other end of the resistor R4 and the potentiometer RP1 end thereof movable contact and the other end of the resistor R3 RP1, followed by the other end of the resistor R3 SCR anode a, constituting a thyristor control circuit, the adjustment value RP1, i.e., adjust the size of the charging current SCR. 考虑到若电源电压波动过大,可能使次级电压波动过大而引起过充电,由并接在SCR阴极b和地之间的取样电阻R9和RP2,完成取样(相当于并接在G的两端)。 When considering the supply voltage fluctuation is too large, the secondary voltage fluctuations caused by excessive overcharge, the SCR connected between the cathode and b and the sampling resistor R9 and RP2, before samples (corresponding to and connected to the G both ends). 在RP2中间动触点接稳压二极管V3(稳压值12V)负端,V3正端接电阻R8一端,电阻R8另一端接开关管V2基极,V2集电极接电阻R4与RP1的连接点,V2发射极接地。 RP2 intermediate movable contact connected Zener diode V3 (voltage value 12V) negative terminal, V3 positive terminal of a resistor R8 one end, the other end of the resistor R8 the base of switching transistor V2, V2 collector electrode connected to the connection point RP1 of the resistor R4 , V2 emitter is grounded. RP2的调整是,当取样电阻R9与RP2两端为27.5V以下时,RP2动触点脚电压<12V稳压管V3不击穿,当取样电阻R9与RP2两端电压高于27.5V以上时,滑动脚上电压升高使(>12V)稳压管V3击穿。 RP2 adjustment, when both ends of the sampling resistor R9 is 27.5V or less RP2, RP2 movable contact pin voltage <12V Zener V3 without breakdown, when sampling the voltage across the resistor R9 and RP2 when more than 27.5V , that the sliding feet elevated voltage (> 12V) V3 Zener breakdown. V3不击穿时,V2基极无电流而截止,SCR的Vg不变化,充电进行。 When no breakdown V3, V2 no base current is turned off, the SCR does not change Vg of, for charging. 当G上电压被充得过高,V3击穿,V2基极有足够电流而导通,集电极电压下降为0.3V,SCR的Vg也下降嵌制在0.3V,而迫使SCR截止充电,完成了防过充电功能。 When G overcharging voltage, V3 breakdown, V2 sufficient base current is turned on, the collector voltage drop of 0.3V, Vg of SCR also decreases clamped at 0.3V, forcing the SCR is turned off while the charging completion anti-overcharging function. 只有G电压下降、V3上电压也下降,使V3脱离击穿而截止、V2截止、V2C上升使Vg升高,SCR又恢复导通向G充电。 Only G voltage drop, the voltage V3 is also lowered, so that V3 is turned off from the breakdown, V2 is turned off, so the V2C rise Vg increases, the SCR resumed G ON to charge.

(104)为直流稳压电路。 (104) for the DC circuit. (103)蓄电池G的电压24V。 (103) the voltage of 24V battery G. 正端接极性保障二极管V8的正端,V8负端接降压电阻R5、电阻R5另一端接滤波电容C1、电容C2与三端稳压块7812的输入端1脚的连接点,其2脚接地3脚为输出端、分别接电容C3正端与电阻R6和电阻R7的连接点,电阻R7另一端接三端稳压块7809输入端1脚和滤波电容C4的正端,7809的3脚为9V的输出端,2脚接地。 Positive polarity protection diode terminating the positive terminal of the V8, V8 negative connection point terminating a dropping resistor R5, the other end of the resistor R5 filter capacitor C1, the capacitor C2 and the input terminal of the three-terminal regulator block 7812 is a pin, which is 2 ground pin 3 as an output pin, are respectively connected to the positive terminal of capacitor C3 and resistor R6 and the resistor R7 and the connection point, the other end of the positive terminal of a resistor R7 three-terminal regulator block 7809 and the input pin 1 of the filter capacitor C4, 3 7809 9V as an output pin, the pin 2 is grounded. 电阻R6的另一端接7806输入端1脚和滤波电容C5正端。 Another end of the resistor R6 input 1 pin 7806 and the positive terminal of the filter capacitor C5. C1~C5负端都接地。 C1 ~ C5 are grounded negative terminal. 7806的2脚接地,3脚接滤波电容C6的正端,电容C6负端接地。 7806 grounding pin 2, pin 3 connected to the positive terminal of the filter capacitor C6, capacitor C6 is grounded negative. 3脚输出稳压后的6V电压。 6V output voltage of the regulator 3 feet. 所以(104)输送出12V、9V、6V三组稳压电源供相关电路使用。 Therefore, (104) conveying a 12V, 9V, 6V power supply for three groups of related circuitry.

V8保证G的连接极性必须正确(104)才能工作。 V8 G must ensure the correct polarity of the connection (104) to work.

(105)为交流电停电监测及转换电路。 (105) to AC power conversion and monitoring circuit. 它由并联在整流桥输出端的继电器K1完成。 It is done by the output of the rectifier bridge connected in parallel to the relay K1. 整流桥正输出端V01、V02连接点接常闭接点K2-2一端,K2-2另一端接降压电阻R1,电阻R1另一端接继电器K1的线圈一端,线圈另一端接地。 Bridge rectifier positive output terminal V01, V02 normally closed contact connected to a connection point at one end K2-2, K2-2 down the other end of the resistor R1, the other end of the resistor R1 relay K1 coil one end of the coil and ground. K1-1常闭接点串接应急照明开关S2和保险丝FU2后接在蓄电池G与低压照明灯(106)间,K1-2常闭接点串接在停电语音电路(107)的电源电路。 The normally closed contact K1-1 series emergency lighting switches S2 and fuse FU2 connected between the battery and the low-G illumination lamp (106), K1-2 normally closed contact connected in series in the power of the voice circuit (107) of the power supply circuit. S2经常处于闭合当有交流电时,K1得电吸合,常闭接点K1-1断,K1-2也断开,使停电语音片失电不工作,低压应急照明灯不亮。 S2 is always closed when AC time, pull Kl is energized, normally closed contact K1-1 off, K1-2 is also turned off, so that power loss of power does not work sheet voice, low pressure emergency lamp does not. 交流停电时,K1失电而翻转,常闭接点K1-1接通,使(106)接通蓄电池G供电。 AC power failure, loss of power and Kl inverted normally closed contact K1-1 turned ON, the (106) G battery power is turned on. 低压直流照明灯得电工作。 Lamp low voltage DC electrical work. (106)为应急照明灯电路,它由几只至几十只12~24V、10~15W白炽灯泡组成。 (106) for the emergency lighting circuit, which consists of several dozens to 12 ~ 24V, 10 ~ 15W incandescent bulbs composition. 汽车器材商店有售。 Automotive equipment stores. 灯的数量视场地大小和G的容量和组数而定。 The number of lamps and the number of the capacity and size of the venue group G may be. 连接导线铜芯截面大小应严格按允许电流要求选用。 Copper wire cross-sectional size of the connection should be strictly required to allow the current selection. 常闭接点K1-2也接通,停电语音电路(107)接通电源在低频振荡电路(108)产生的触发脉冲触发下工作。 Normally closed contact K1-2 is also turned on, power speech circuit (107) is turned on in the low frequency oscillation trigger pulse power supply circuit (108) generating the trigger work.

(107)为交流电停电语音录放电路,(语音模块I)由成品可录放语音模块组成,模块内置有话筒MIC、录音按键REC、放音键PLAY、输出端V0、接电源正端Vcc和接地Vss端。 (107) an alternating current power circuit voice recording (voice module I) of the finished can recording voice module, the module is built microphone the MIC, the recording button the REC, the playback button PLAY, an output terminal V0, connected to positive power supply terminal Vcc and ground Vss end. 一般Vcc为4.5~6V。 Vcc is generally 4.5 ~ 6V. 按下REC即可录音,同时抹去原先录上的信号;按下PLAY或输入触发脉冲信号到此端,即可放音。 Press REC to the recording, while the erase signal recorded on the original; or presses PLAY input trigger pulse to this end, to playback. 当交流停电时,K1失电,K1-2常闭接点闭合,(107)模块接通7806输出端3脚而得电工作,预录在语音模块中的如:“现在是临时停电,备用照明灯已工作,请顾客放心。”等语音即时反复通过后面的功放(109)和喇叭B播出,PLAY端放音触发信号由低频振荡电路(108)提供。 When the AC power, Kl energized, closing normally closed contact K1-2, (107) module 7806 is turned on to give an electrical output terminal pin 3 work, pre-recorded voice module such as: "It is a temporary power failure, backup lighting lamp is working, customer confidence. "voice chat, etc. through repeated back amplifier (109) and the broadcast speaker B, the PLAY playback end trigger signal provided by the low frequency oscillation circuit (108). 也可预录一些轻松的音乐配上,以安抚人心,有利于秩序的恢复。 It can also be pre-recorded music accompanied by some light, in order to appease the people, help restore order. (107)的输出端V0接耦合电容C21的一端,电容C21另一端接功放(109)的同相输入端IC31脚,(107)的PLAY端接耦合电阻电阻R19,而R19另一端接低频振荡器(108)的输出端A4的11脚。 (107) coupled to an output terminal V0 connected end of the capacitor C21, the input terminal of the other end of capacitor C21 in pin IC31 amplifier (109) with, (107) coupled PLAY terminating a resistance R19, R19 and the other end of the low frequency oscillator (108) output terminal A4 of 11 feet. 音频功放电路IC3(109)由集成功放TDA2030A及附属电路组成,5脚为Vcc端,接降压电阻电阻R25与耦合电容C26、C27的连接点,电容C26、电容C27另一端接地,电阻R25另一端接广播开关S4一端,S4另一端接低压照明灯与K1-1的连接点,S4经常处于闭合。 The audio amplifier circuit IC3 (109) and a subsidiary TDA2030A integrated amplifier circuit, 5 is a pin terminal Vcc, the resistor R25 and the voltage dropping resistor connected to a coupling capacitor C26, the connection points C27, capacitor C26, capacitor C27 to the other end, the other resistor R25 a termination end broadcast switch S4, S4 connected to the other end point of the low pressure lamp and K1-1, S4 is always closed. 所以,低压应急灯亮的同时,(109)也就同步接通电源而工作。 Therefore, while the low pressure emergency lights, (109) working in tandem and power. 2030A的3脚接地,4脚为输出端,接耦合电容C25的正端,电容C25负端接喇叭B的一端,B的另一端接地。 3 grounding pin 2030A of pin 4 is an output terminal, connected to the positive terminal of the coupling capacitor C25, a capacitor C25 one end terminating speaker B is negative, the other end of the B. 4脚还接高频谐波抑制电路的电阻电阻R26一端,电阻R26另一端接电容C24,电容C24另一端接地。 Pin 4 is also connected to the harmonic suppression circuit of a resistance R26 one end of resistor R26 the other end of capacitor C24, capacitor C24 and ground. 4脚与反相输入端2脚间还连接有负反馈电路电阻R27、R21、电容C23、二极管V12,2脚同时接反馈电阻R24一端,电阻R24另一端接电容C23正端,电容C23负端接地。 4 feet and an inverting input terminal is also connected with a negative feedback circuit of a resistor R27 between the two legs, R21, capacitor C23, diode V12,2 foot end simultaneously to the feedback resistor R24, resistor R24 ​​the other end of the positive terminal of capacitor C23, the negative terminal of capacitor C23 ground. 2脚再接电阻R27一端,电阻R27另一端接4脚与V12负端连接点,二极管V12正端接地。 2 feet followed resistor R27 at one end, the other end of the resistor R27 and the connection point 4 feet negative terminal V12, V12 n diode is grounded. 同时输入端1脚还接有电阻R21的一端,电阻R21另一端接偏置电阻R22和电阻R23的连接点,而电阻R23另一端接5脚Vc端,电阻R22另一端接地。 1 while the input pin is also connected to one end of resistor R21, resistor R21 connected to the other end point of bias resistors R22 and resistor R23, the resistor R23 and the other terminal Vc foot end 5, a resistor R22 and ground. 电阻R27、R24、电容C23等构成的负反馈电路以降低增益,拓宽频带,防止自激和改善功放的音质。 Resistors R27, R24, capacitor C23 and other negative feedback circuit to reduce the gain, to broaden the bandwidth, and improve the sound quality prevent oscillation amplifier.

(108)为两个与非门A3、A4组成的低频自激振荡电路,为两个语音录放模块(107)、(202)的放音端(PLAY端)提供触发脉冲信号。 (108) is a low-frequency two NAND gates A3, A4 composed of self-oscillation circuit, two voice recording module (107) (202) end of playback (the PLAY ends) provides a trigger pulse signal. A3、A4取自IC2四二输入与非门电路CD4011中的两个与非门。 A3, A4 from IC2 forty-two input NAND gate circuit CD4011 two NAND gates. CD4011由A1~A4四个两输入端与非门组成,14脚接电源正极,7脚接地。 A1 ~ A4 CD4011 from the four two-input NAND gates, to the positive supply pin 14, pin 7 is grounded. A3、A4的两输入端8、9脚并接,12、13脚也并接成为两个非门电路。 A3, A4 two input terminals and contact pins 8, 9, 12, 13 feet and then into two NAND circuits. A3的输出端10脚接反馈电阻R17一端,电阻R17另一端接A3输入端8、9脚连接点。 A3 output terminal of the feedback resistor R17 connected to pin 10 at one end, the other end of the resistor R17 A3 input pins 8,9 connection point. 10脚再接A4输入端12、13脚连接点。 A4 input pin 10 followed by points 12, 13-pin connector. A4输出端11脚接正反馈电容器C18一端,电容C18另一端接A3输入端8、9脚,电容C18容量较大,振荡频率很低。 A4 pin 11 connected to the positive output terminal of the feedback capacitor C18 one end, the other end of the capacitor C18 A3 input pins 8 and 9, a large capacity capacitor C18, the oscillation frequency is low. A4输出端再接耦合电阻R19、电阻R19另一端接两个语音模块(107、202)的放音触发端(PLAY端)。 An output terminal coupled to A4 followed resistor R19, resistor R19 the other end of two voice module (107,202) of the playback trigger terminal (the PLAY side).

(201)为火灾监测电路。 (201) for the fire monitoring circuit. 采用由火灾烟雾传感器UD-02与专用集成电路MC14467组成成品模块。 By the use of fire and smoke sensor UD-02 module application specific integrated circuit MC14467 finished composition. 烟雾报警浓度为2%。 Smoke alarm concentration of 2%. UD02的A脚连接MC14467(IC1集成片)的电源脚6脚,再接7809的稳压输出端3脚。 A pin connector UD02's MC14467 (IC1 integrated on-chip) power supply pin legs 6, 7809 followed by the output of the regulator 3 feet. UD02的B脚接地,C脚为输出端接IC1片的15脚。 UD02 the ground pin B, C for the pin 15 output termination pins IC1 sheet. IC1的9脚通过二极管V4再接地,以防电源反接损坏IC1。10、11脚为IC1的音频振荡信号输出端。 Then pin 9 of IC1 is grounded through a diode V4, to prevent damage to the reverse power oscillation IC1.10,11 audio signal output pin of IC1. 10脚接三端压电发声片HB的a端,11脚接b端,再由三端压电片b端接电容C8至8脚。 10 three feet to a terminal end of the piezoelectric sheet utterance of HB, 11 feet to the terminal b, and then by three piezoelectric sheets terminal b termination capacitance C8 to 8 feet. 13脚为灵敏度调整接RP3的动接点,RP3一端接9V正端,另一端接9脚。 Sensitivity adjustment feet 13 contact the movable contacts RP3, RP3 9V a positive terminal end, the other end of 9 feet. IC1片5脚为工作显示,接电阻R10再由R10另一端接发光管LED1的负端,LED1正端接9V电源正端,同时接滤波电容C9正端,电容C9负端接9脚。 IC1 sheet 5 feet working display, and then by R10 resistor R10 the other end to the negative end of the arc tube LED1, 9V LED1 positive terminal of the positive power supply terminal, while the positive terminal of filter capacitor C9, capacitor C9 negative termination 9 feet. IC1的1~4脚不用。 IC1 1 to 4 feet without. 传感器与集成片工作正常时,每40S左右LED1闪亮一次以显示正常。 Sensor chip with integrated work, each about 40S LED1 flashes to show the normal time. 若工作电压过低,<8V时,LED1则不断闪亮。 If the operating voltage is too low, <when ​​8V, LED1 is flashing. 若遇火灾、烟雾浓度>≥2%,则UD02的C脚输出由无烟雾时的5.6V急剧下降为1.2V,集成片内将此信号处理后转换成Upp>4V的低频矩形脉冲振荡信号从输出端10、11脚传送至压电陶瓷发声片发出>75db的鸣叫声,同时LED1不断闪烁。 In case of fire, smoke density> ≥2%, C of the output pin by UD02 5.6V when no smoke is sharply decreased 1.2V, integrated on-chip signal processing after converting this into Upp> low-frequency rectangular pulse oscillation signal from 4V transmitted to the output terminal pin 10, the piezoelectric ceramic sheet utterance stridulated> 75db while flashing LED1. 本装置将此连续的幅度较大的低频信号通过二极管V5、送至由电阻R14、电容C10、C11组成的滤波电路,取出直流信号送至电子开关管V6的基极,使V6导通,继电器K2得电翻转。 This continuous apparatus of this large amplitude low frequency signal by the diode V5, sent to the filter circuit of a resistor R14, capacitors C10, C11 composed of, for extracting a DC signal to the electronic switch base V6, V6 is turned on so that the relay K2 energized flip. 其二级管V5正极接IC的10脚,负极接电阻R14与电容C10正端连接点,电容C10负端接地。 Diode V5 which pin of the IC 10 connected to the positive electrode, the negative electrode capacitor C10 and resistor R14 connected to the positive terminal of the connection point, the negative terminal is grounded capacitor C10. 电阻R11另一端接电容C11正端和V6基极的连接点,电容C11负端接地。 The other end of resistor R11 and capacitor C11 positive terminal is connected to the base point of V6, negative capacitor C11 is grounded. V6发射极接地。 V6 emitter is grounded. V6集电极接继电器K2线圈一端,线圈另一端接7812输出端3脚,保护二极管V7反向并接在K2线圈两端,正极接K2线圈与V6集电极连接点。 V6 collector electrode connected to one end of a relay coil K2, the other end of the coil pin 3 output terminal 7812, V7 protection diode is connected in reverse across the coil K2, K2 coil connected to the positive electrode and the collector connecting point V6. 有火灾烟雾时,K2得电翻转,连接低压排气扇电源的K2-1常开接点闭合、排气扇M开始排气。 When there is a fire smoke, K2 energized inverted, low-pressure exhaust fan power supply connector K2-1 normally open contact is closed, the exhaust fan M begins. K2-1的一端接保险丝FU2的一端、FU2另一端接蓄电池正端,K2-1另一端接排气扇电机M的正端,M负端接地。 A termination end of the fuse FU2 of K2-1, FU2 other end of the positive terminal of the battery, the positive terminal of the other end K2-1 fan motor M, M negative terminal is grounded. 同时串接在整流电路后的常闭接点K2-2断开,继电器K1失电。 While the normally closed contact K2-2 connected in series after the rectifier circuit is opened, the relay K1 energized. 继电器K1失电后如前面对(105)讲述一样,将使低压照明灯亮。 After the relay K1 energized as described above for (105) about the same, low pressure will bright lights. 但因此时串接在停电语音录放电路电源线路上的K2-3常闭接点断开,停电语音无法工作。 But this case connected in series with power supply line of the voice recording circuit K2-3 normally closed contacts open, the voice power does not work. 而K2-4常开接点闭合,接通(202)录放语音模块II的电源,火灾语音电路(202)得电工作,预先录好的关于火警方面的语音即在(108)低频振荡脉冲的触发下,从V0端输出,经电容C16、C13耦合至(109)功放及(206)小功率无线发射模块的输入端,火警信号同时从喇叭播出和天线发射出去。 And K2-4 normally open contact closure, is turned on (202) the voice recorder electrical work power module II, fire speech circuit (202), on prerecorded speech, i.e., the trigger fire aspect low frequency oscillation pulses (108) , the output V0 from the terminal through a capacitor C16, C13 is coupled to the (109) and the input of the amplifier (206) low power wireless transmission module, while the fire signal broadcast from the speaker and the antenna out. 值班人员身边接收机(207)即可收到此报警信号。 Attendant side receiver (207) to receive the alarm signal. (206)是三端小功率无线发射模块,发射距离为50m左右,其电源从(106)中K1-1和K3-2连接点取出,此点接降压电阻R29一端R29另一端接滤波电容C14正端与二极管V13负端连接点再接(206)FS模块Vcc端,电容C14负端和V13正端与FS的VSS端同时接地。 (206) is a three terminal low power wireless transmitter module, transmitting distance is about 50m, which is taken out from the power supply (106) K1-1 and K3-2 connection points, then this point R29 end R29 the other end of the filter capacitor voltage dropping resistor C14 positive terminal connection point between the diode V13 followed by a negative terminal (206) FS module Vcc terminal, the negative terminal of capacitor C14 and a positive terminal V13 and the ground VSS terminal FS simultaneously. 所以(206)(109)(106)是同步工作的。 Therefore, (206) (109) (106) is operating in synchronization.

若遇某些意外情况,如风向不对或传感器离火点稍远、烟雾传感器还未来得及报警,而火灾已起,值班人员可按动编码无线遥控发射器件(204)上的A键强制启动火灾监控报警电路(B键为“解除”键)。 In case of some unexpected cases, such as wind direction sensor does not or little far from the fire site, had time to smoke alarm sensor, and the fire has started, the attendant can press emitting devices A wireless remote control code on the key (204) to force the fire start monitoring alarm circuit (B key is the "release" key). (205)编码无线遥控接收器件收到此指令信号经核对编码无误后即输出一个高电平信号经接在输出端V0的电阻R28耦合至V6电子开关管基极,使开关三极管V6导通,继电器K2得电翻转,如前所述即强制开启了整个火灾报警系统工作。 (205) wireless remote control code receiving means receives the instruction signal is coupled after the collation is correct encoded outputs a high level signal via the resistor R28 connected to the output terminal V0 to V6 base of the electronic switch, the switch transistor V6 is turned on, flip relay K2 is energized, as previously described i.e. forced on the entire fire alarm system work. 若值班人员按动遥控器上解除键“B”,则(205)遥控接收器件停止输出高电平信号,V6重新截止,K2失电,火灾报警系统停止工作,排气扇、照明灯、语音广播等均全部停止工作。 If the duty press the release button "B" on the remote control, the (205) receiving the remote control device stops outputting the high level signal, V6 is turned off again, K2 power failure, fire alarm system to stop working, exhaust fan, lights, voice broadcast etc. all stop working.

(301)为复合式盗情监测电路。 (301) is a compound of formula steal situation monitoring circuit. 主要由WB微波感应式人体位移探测模块和热电红外人体位移探测模块HD共同组成。 Mainly by the WB microwave induction human displacement detection module and pyroelectric infrared human motion detection module composed HD. 微波模块Vcc端连接电源退耦滤波电路的电阻R15与电容C15正端的连接点,电容C15负端接地。 Microwave modules connected to the Vcc terminal of the filter circuit power supply decoupling capacitor C15 and a resistor R15 connected to the positive end point, negative capacitor C15 is grounded. 电阻R15另一端接盗警开关S3的一端。 End of the resistor R15 the other end of the switch S3 burglary. 热电红外模块HD的Vcc端联接电阻R16与电容C17正端连接点,电容C17负端接地,电阻R16另一端也接S3与电阻R15的连接点。 The thermoelectric infrared module HD Vcc terminal of resistor R16 and capacitor C17 is coupled the positive terminal of the connection point, the negative capacitor C17 is grounded, the other end of the resistor R16 is also connected to the connection point of resistor R15 S3. S3另一端接7812的输出端,即由稳压后的12V供电。 The other end of S3 output terminal 7812, i.e., after the power supply from the 12V regulator. 微波模块及热电模块的Uss端同时接地。 Uss end of microwave modules and thermoelectric modules simultaneously grounded. 两模块输出端V0A、V0B分别连接与非门A1的输入端1和2脚、A1的输出端3脚接与非门A2的两个输入端5、6脚(5、6脚并接在一起,A2即成一个非门)A2的输出端4脚即是(301)复合防盗监测电路的总输出端,4脚串电阻R30后与电子开关管V9基极连接。 Two output of the module V0A, V0B NAND gate A1 is connected to input terminals 1 and 2 feet, 3 feet output A1 of the NAND gate A2 is connected to two input terminals 5 and 6 feet (5,6 feet together and , A2 Serve a NAND gate) terminal of the output of A2 that is 4 feet (301) the total output of the composite intrusion detector circuit, connected to the electronic switch V9 yl 4 feet series resistor R30. V9集电极接K3线圈一端,线圈另一端接三端稳压7812的3脚,线圈旁反向并接保护二极管V10、即V10正端接集电极。 K3 V9 collector electrode connected to one end of the coil, the other end of the coil 3 three-terminal regulator 7812 feet, the coil side and reverse polarity protection diodes V10, i.e. V10 positive terminal of the collector. V9发射极接地。 V9 emitter is grounded. A1、A2是四二输入与非门电路CD4011的另一半。 A1, A2 four two-input NAND gate circuit CD4011 other half. 微波探测和热释电红外探测的范围都在8~10m,在探测范围内无人体移动,两探测器输出端V0A、V0B是低电平,<0.3V。 Microwave detection range and the pyroelectric infrared detection are 8 ~ 10m, without moving body within the detection range, the output of two detectors V0A, V0B is low, <0.3V. A1、A2组成的与门电路无高电平输入即无输出信号,为低电平。 A1, A2 composed of non-level input AND circuit i.e. no output signal is low. 当有人体移动时,移动人体对微波的反射和对场内热红外线的变化的感应将使两探测器同时在输出端输出高电平>3V,A1与非门因两输入端均是高电平,输出端3脚即为低电平,非门A2的输出端4脚即输出高电平使开关三极管V9基极电压升高,电子开关管V9翻转,由截止变为导通。 When the body moves, body movement sensor for reflection of the microwave field and change of the thermal infrared detector while two will output a high level> 3V at the output, NAND gate A1 due to the two inputs are high , pin 3 is the output of a low level, the output of NAND gate A2 i.e. pin 4 output high switching transistor base voltage increases V9, V9 electronic switch flipped from off to on. V9集电极上串联的继电器K3得电翻转,K3-1常开接点闭合,其一端接警车声产生电路9561的Vcc端,另一端接3V稳压二级管V11的负端与电容C20的正端的连接点,这样警车声产生电路(302)即得电工作,其输出端V0连接耦合电容C19的一端,电容C19另一端连接(109)功放输入端1脚,再通过电容C13的耦合,此警车声报警讯号又送至(206)小功率无线发射模块的输入端V1端。 V9 series with the collector of the inverting relay K3 is energized, K3-1 normally open contact is closed, one end terminating Vcc police sound generation circuit 9561 and the other end 3V regulator diode V11 and the negative terminal of the capacitor C20 n side of the connection point, so that police sound generation circuit (302) i.e., electrical work, an end of an output terminal V0 connected to the coupling capacitor C19, and the other end of the capacitor C19 is connected (109) amplifier input 1 pin, and then coupled through capacitor C13, and this and acoustic alarm signal to the police (206) input terminal V1 low power wireless transmission module. 同时,串联在(106)低压照明电路与(103)G之间的K3-2常开接点(与K1-1并联)闭合,如前所述,(106)接通电源,低压应急照明灯亮,而功放(109)和无线发射模块(206)的Vcc端均接于K1-1与低压应急照明灯HL的连接点上,所以(109)、(206)均得电同步工作,将警车声报警信号从喇叭B中放出,从天线中发射出去。 Meanwhile, in series between the (106) and low-voltage lighting circuit (103) G of the normally open contact K3-2 (K1-1 and parallel) is closed, as previously described, (106) power, low pressure emergency lighting lights, the amplifier (109) and a wireless transmitter module (206) are connected to the Vcc terminal K1-1 HL connecting point with the low pressure emergency lighting, so (109), (206) are synchronously energized, the audible alarm police signal emitted from the speaker B, emitted from the antenna. 若因电磁干扰使WB微波感应模块有输出使与非门A1的输入端1脚为高电平,但此干扰对HD热电红外模块不起作用,V0B仍为低电平,A1的2脚为低电平,A2无输出。 Ruoyin EMI WB microwave sensor module so that the output of NAND gate A1 input pin 1 is high, but the interference with infrared HD thermoelectric module does not work, V0B still low, A1 is 2 feet low, A2 no output. 抑制了电磁干扰引起的误报。 It suppresses false positives caused by electromagnetic interference. 同理,因温度波动引起的对HD热电红外感应模块的干扰,也不会对WB微波模块有影响,A1的两输入端不会同时有高电平,A2仍无输出,也被抑制。 Similarly, the interference due to the HD of the thermoelectric infrared sensor module temperature fluctuations, WB will not affect the microwave module, two input terminals A1 while not high, A2 still no output is suppressed. 这样就大大提高了探测报警的准确性。 This greatly improves the accuracy of detection and alarm. S3为盗警开关,当场内无人时将S3闭合,WB、HD内部延时2分钟后,(2分钟让值班人员锁好门窗,退出场地)即处于防盗监测,连接在S3与电阻R15连接点的防盗显示电路电阻R18、LED2中的LED2发光显示。 Burglary S3, switch S3 is closed when the inner no spot, WB, HD internal delay After 2 minutes (2 minutes for duty lock doors exit space) i.e. in the intrusion detector connected to the resistor R15 is connected S3 security point display circuit resistor R18, LED2 LED2 emitting display.

(201)中火灾烟雾传感器可采用UD-02离子烟雾传感器,专用集成电路采用MC14467或采用两者组合装配好的成品板HW2000型。 (201) may be employed in fire smoke sensor UD-02 ion smoke sensor, using application specific integrated circuits, or using a combination of two MC14467 assembled finished plate HW2000 type. (107、202)语音录放模块电路可采用ISR10或SR9A120、QX-R42等语音录放模块。 (107,202) voice recording module or circuit can ISR10 SR9A120, QX-R42 voice recording module and the like. (301)双复合盗情监测器可采用KL-3微波人体位移感应模块和HD01热释电红外人体位移感应模块合并使用;无线编码遥控组件(204、205)采用T630(发)T631(收)成品模块。 (301) Compound bis Pirates situation monitoring may employ microwave KL-3 physical displacement sensing module and HD01 human displacement pyroelectric infrared sensor module in combination; coding wireless remote control module (204, 205) using T630 (hair) T631 (close) finished module. (206)小功率无线发射(207)小功率无线接收模块可采用TDC1808(发)和TDC1809(收)三端引线模块。 (206) low-power radio transmitter (207) low power wireless receiver module may employ TDC1808 (fat) and TDC1809 (receiving) terminal lead three modules. (106)直流低压应急照明灯可采用12-24V、10~15W车用照明灯。 (106) emergency lighting can be low voltage DC 12-24V, 10 ~ 15W vehicle lights. (203)直流低压排气扇可采用24V、30~50W直流电机配制。 (203) low-voltage DC fan can be 24V, 30 ~ 50W DC formulation.

图3为本实用新型的装置外形示意图。 Figure 3 is a schematic view of the novel apparatus useful shape. 装有电子元器件的印制电路板置于壳内底部。 A printed circuit board with the electronic component placed in the bottom shell. 外壳前面为面板,上部虚线框为装置的型号名称标识。 The front panel of the housing, the upper dashed box identified model name of the device. 中上部从左至右分别为直流电压表,直流电流表分别显示蓄电池电压和充电电流。 Respectively, the upper DC voltmeter, the DC ammeter show the battery voltage and charging current from left to right. 平列为两个功能显示管LED1、LED2。 Function as two flat display tube LED1, LED2. 下部从左至右分别是交流电源开关、交流保险管座应急照明灯开关(此开关有交流电时也应一直处于闭合位置,只在应急照明时间过长,或不需要应急照明时关断)、广播开关、防盗开关。 From left to right are a lower AC power switch, AC fuse holder emergency lighting switch (this switch has been alternating current should be in the closed position, only emergency lighting time is too long, or turned off when not required emergency lighting), broadcast switch, alarm switch. 图4为后面板图,后面板上有四组输入、输出线插座孔。 FIG 4 is a rear panel, the rear panel has four input and output jack hole. 下部从左至右分别是直流电源线、应急低压照明灯接线排HL、低压排气扇接线排M、排气扇保险管座FU2和应急灯保险管座FU3。 From left to right are a lower DC power supply line, a low pressure emergency lighting terminal block HL, M row wiring the low-pressure exhaust fan, exhaust fan and fuse FU2 emergency lamp holder fuse holders FU3. 三芯交流电源线插座。 Three-core AC power cord receptacle. 另有顶盖、两侧面板及四个支撑脚柱。 Another roof, side plates, and four support pedestal. 外壳采用ABS塑料制作较好,以有利于电磁波的接收和发射。 ABS plastic housing is preferably made to facilitate receiving and transmitting electromagnetic waves.

Claims (6)

1.具有火、盗警自动监控功能的安全低压应急照明电子装置,其特征在于它由监测电路、控制电路、报警电路、执行电路四个部分组成,监测电路包括:交流电停电监测电路及转换电路(105)、火灾监测电路(201)、复合式盗情监测电路(301),其交流电停电监测电路及转换电路(105)由并联在桥式整流电路输出端的继电器K1和用于控制语音广播电路、低压应急照明灯的常闭接点K1-2、K1-1组成;火灾监测电路(201)由离子烟雾传感器UD02和专用集成电路IC1及向电子开关输出控制信号的滤波电路R14、C10、C11组成;复合式盗情监测电路(301)由微波感应人体位移探测组件WB和热释电红外人体位移探测组件HD将两者输出端分别连接在由与非门A1、A2组成的与门电路的两输入端组成;控制电路由开关管V6、继电器K2组成的电子开关去控制火灾报警电路、低压排气扇(203)、低压照明灯( 1. having a fire, the emergency lighting electronic device safe low burg automatic monitoring function, characterized in that it by the monitoring circuit, the control circuit, the alarm circuit, the circuit performs four parts, the monitoring circuit comprising: a power monitoring circuit and the AC conversion circuit (105), fire monitoring circuit (201), compound of formula steal situation monitoring circuit (301), which monitoring circuit and the AC power converter circuit (105) by a parallel relay K1 and the output terminal of the bridge rectifier circuit for controlling the voice broadcast circuit , low pressure emergency lighting normally closed contact K1-2, K1-1 composition; fire monitoring circuit (201) by an ion smoke sensor and application specific integrated circuits IC1 and UD02 filter circuit R14 to the electronic switch control output signals, C10, C11 composed ; Pirates of the situation composite monitoring circuit (301) by a microwave-induced displacement detection assembly body WB and the pyroelectric infrared detection component displacement body HD both output terminals are connected by NAND gates A1, A2 and the gate circuit consisting of two input terminal of the composition; electronic switch by the control circuit switch V6, the relay K2 to control the composition of fire alarm circuit, a low pressure fan (203), a low-pressure lamp ( 106);由开关管V9、继电器K3组成的电子开关去控制盗情报警电路,低压照明灯(106),控制电路还包含在特殊情况下强制启动火灾报警及排气扇工作的无线编码遥控组件,含发射器(204)、接收器(205),(205)的输出端经串联的R28将指令信号输送至电子开关管V6的基极;报警电路由语音录放模块(107)、(202),及对录放模块进行触发放音的低频自激振荡电路(108)、警车声产生电路(302)、功放电路(109)和与功放输出端连接的喇叭B、小功率无线发射、接收模块(206)、(207)组成;执行电路包括直流低压应急照明灯电路(106)、直流低压排气扇(203)。 106); V9 electronic switch by the switch, relay K3 Pirates of the situation to control the composition of the alarm circuit, a low-pressure lamp (106), the control circuit further comprises forced start the fire alarm and the exhaust fan operating in special cases coding wireless remote control module , containing a transmitter (204), a receiver (205), (205) output terminal via a series of R28 instruction signal is supplied to the base of the electronic switch V6 pole; alarm circuit by the voice recording module (107), (202) and for recording module trigger the playback of low-frequency self-oscillation circuit (108), police sound generation circuit (302), amplifier circuit (109) and the speaker B is connected to the amplifier output, low power radio transmitter and receiver modules ( 206), (207) composed of; performing circuit comprises a low voltage DC emergency lighting circuit (106), low voltage DC fan (203).
2.根据权利要求1所述的具有火、盗警自动监控功能的安全低压应急照明电子装置,其特征在于:交流电停电监测及转换电路(105)中的继电器K1与低压应急照明电路(106)、停电语音模块(107)、功放电路(109)分别实现电连接。 The fire has, safe low-voltage electronic emergency lighting device according to the automatic monitoring of burglary claim, wherein: the AC power monitoring and switching circuit (105) of the relay K1 and the low pressure emergency lighting circuits (106) , voice power module (107), amplifier circuit (109) are electrically connected.
3.根据权利要求1所述的具有火、盗警自动监控功能的安全低压应急照明电子装置,其特征在于:复合式盗情监测电路(301)的微波人体位移探测组件和热电红外人体位移探测组件输出端必须同时连接至由A1、A2与非门组成的与门的两输入端,此与门电路输出端连接R30,通过R30再连接电子开关V9基极,V9导通,继电器K3分别与盗警信号产生电路(302)、功放电路(109)、小功率无线发射模块(206)、低压应急照明电路(106)电连接。 The fire has, safe low-voltage electronic emergency lighting device according to the automatic monitoring of burglary claim, wherein: Compound Pirates of the situation monitoring circuit (301) of a microwave probe assembly displacement body and the thermoelectric infrared detecting displacement body two input terminals the modular outlets must be simultaneously connected to the A1, A2 NAND gates of the aND gate, this connection R30 and the output of aND gate circuits, and then connected to an electronic switch V9 base through R30 electrode, V9 turned on, relay K3 respectively Burglary signal generating circuit (302), amplifier circuit (109), low power wireless transmitter module (206), a low pressure emergency lighting circuit (106) is electrically connected.
4.根据权利要求1所述的具有火、盗警自动监控功能的安全低压应急照明电子装置,其特征在于:低频自激振荡电路(108)输出信号分别连接停电语音录放电路(107)、火警语音录放电路(202)的触发端。 According to claim 1 having the fire, the emergency lighting electronic device safe low burg automatic monitoring function, wherein: the low-frequency self-oscillation circuit (108) are connected to the output signal power voice recording circuit (107), the fire trigger terminal voice recording circuit (202).
5.根据权利要求1所述的具有火、盗警自动监控功能的安全低压应急照明电子装置,其特征在于:火灾监测电路(201)的烟雾浓度监测信号从专用IC输出端10、11脚输出低频振荡信号使压电发声片鸣叫报警,输出的低频信号经滤波电路R14、C10、C11取出直流分量输送至电子开关管V6基极、控制V6、继电器K2工作,通过K2各接点使火警语音电路(202)、功放电路(109)、低压应急灯(106)、低压排气扇(203)及小功率无线发射模块(206)实现同步工作。 The fire has, safe low-voltage electronic emergency lighting device according to the automatic monitoring of burglary claim, wherein: fire monitoring circuit (201) of smoke density IC monitoring signal outputted from the output terminal 10, a dedicated pin a low frequency oscillation signal of the piezoelectric sheet beep alarm sound, a low-frequency signal output from the filter circuit R14, C10, C11 remove direct-current component conveyed to the electronic switch base V6, V6 control, work relay K2, K2 via the contacts enables the fire alarm voice circuits (202), amplifier circuit (109), a low pressure emergency light (106), a low pressure fan (203) and low-power wireless transmitter (206) to achieve synchronization.
6.根据权利要求1所述的具有火、盗警自动监控功能的安全低压应急照明电子装置,其特征在于:无线编码遥控发射接收组件的发射器(204)发出编码指令,接收器(205)接收到指令后输出信号经R28去控制V6基极,使开关管V6,继电器K2工作,K2各接点同时接通火灾报警各单元电路。 The fire has, safe low-voltage electronic emergency lighting device according to the automatic monitoring of burglary claim, wherein: a coded radio transmitter remote control transmitter receiver assembly (204) issue coded instructions, the receiver (205) after receiving an instruction to control the output signal R28 the base V6, so that switch V6, work relay K2, K2 is turned on while the contacts of each unit circuit fire alarm.
CN 200420034295 2004-04-09 2004-04-09 Safe low pressure emergency lighting electronic equipment with fire/theft alarm monitoring function CN2694395Y (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006119701A1 (en) * 2005-05-09 2006-11-16 Sze Keun Chan Emergency and alarm lamp with a video camera
CN102175009A (en) * 2011-03-09 2011-09-07 何英昌 Intelligent illumination lamp
CN101783994B (en) 2009-01-15 2013-08-21 北京富纳特创新科技有限公司 Thermoacoustic device
CN105741492A (en) * 2016-04-27 2016-07-06 华中科技大学 Detecting and alarming system and method thereof
TWI588783B (en) * 2011-12-14 2017-06-21 Microchip Tech Inc Method and apparatus for detecting smoke in an ion chamber
US9823280B2 (en) 2011-12-21 2017-11-21 Microchip Technology Incorporated Current sensing with internal ADC capacitor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006119701A1 (en) * 2005-05-09 2006-11-16 Sze Keun Chan Emergency and alarm lamp with a video camera
CN101783994B (en) 2009-01-15 2013-08-21 北京富纳特创新科技有限公司 Thermoacoustic device
CN102175009A (en) * 2011-03-09 2011-09-07 何英昌 Intelligent illumination lamp
TWI588783B (en) * 2011-12-14 2017-06-21 Microchip Tech Inc Method and apparatus for detecting smoke in an ion chamber
US9823280B2 (en) 2011-12-21 2017-11-21 Microchip Technology Incorporated Current sensing with internal ADC capacitor
CN105741492A (en) * 2016-04-27 2016-07-06 华中科技大学 Detecting and alarming system and method thereof

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