最常见的警报器电路

1、Most common emergency sirens circuits最常见的警报器电路 The siren circuit is what importance in various alarm.的警报器电路是什么重要性在各种报警。 For example : the emergency alert, burglar alarm circuits, Fire alarm circuits, Timer , sensor controls, etc. If we have not these circuit, We will not able to recognize the functi

2、onality of the circuit,we set out.例如：紧急报警，防盗报警器电路，火灾报警电路，定时器，传感器控制，等等，如果我们没有这些电路，我们将不能够识别功能的电路，我们出发了。 1.Electronic siren circuit with two transistor 1，电子警报器电路有两个晶体管 Operation of the circuit is Q1 and Q2 will work with R3, R4 and C2 is a frequency generator circuit with output connected to LED1 and s

3、peakers SP1.该电路的操作是Q1及Q2的工作与R3，R4和C2是一个频率发生器电路的输出端连接到LED1和扬声器SP1。 When I press the switch S1 to the C1 will begin to charge allows the voltage to pin B of Q1 increase other.当我按下开关S1到C1开始充电允许的电压引脚B Q1增加等。 The Q1 is working and Q2 is working with at the C1 charge full cycle will stop oscillator speake

4、r is not.振荡器扬声器是没有的Q1和Q2工作在C1充饱周期将停止。 The LED1 light and hold the release the pressure switch S1, resulting in C1 will start discharger through R3, Q1 to ground. LED1灯，按住释放压力开关S1，导致C1通过R3，Q1地开始放。 The oscillator circuit sound Sirens in the lower out.的振荡器电路的声音在较低的警报器。 If we press the switch S1 and the

5、n quickly leave many.如果我们按下开关S1，然后迅速离开。 The sound will be as continuous as C1 to charge and discharge alternately continuously.声音将连续C1的充电和放电交替不断。救护车警笛声电路 This circuit is a circuit that sounds a siren-like sound of ambulance sirens.该电路是电路的救护车警笛声汽笛般的声音，听起来。 This circuit is different to an ambulance si

6、ren circuit generally, is to use transistors instead of IC 555.该电路救护车警笛电路一般是不同的，是使用集成电路555晶体管代替。 Which allows economical and easy to tailor a network.它允许经济和方便的定制网络。 Operation of the circuit.该电路的操作。 This cycle can be divided into three main parts is the low frequency production.此循环可分为三个主要部分，是的低频生产。 P

7、roduction of high frequency.生产高频率。 The amplifier.该放大器。 The manufacture low-frequency includes Q1(C458), Q2(C458), R2, R3, C2, C3.低频的制造包括的Q1（C458），Q2（C458），R 2，R 3，C2，C3。 Which will produce low-frequency out and to extend the Q3.这会产生低频率和延长Q3。 Before you sent with high frequency of origin from Q4(C458

8、), Q5(C458), R8, R9.在您发送高频率的起源从Q4（C458），Q5（C458），R8，R9。 , C5, C6 signal is included, then the output will come out to the leg E of the Q5(BC547). ，C5，C6信号，然后输出出来的腿E的的Q5（BC547）。 and then be expanded with Q6(BC547) to drive the speakers.然后扩大与Q6（BC547），以驱动扬声器。 The C1, C4 is intended to stir filter coll

9、ects them. C1，C4，意图煽动过滤器来收集这些信息。 The R11 will help prevent speaker damage. R11将有助于防止损坏扬声器IC 555的警笛声 Operation of the circuit.该电路的操作。 Circuit is divided into three parts: low frequency production.电路分为三个部分：低频生产。 The manufacturing high frequency and extension of production low frequency is obtained fro

10、m IC1 connected to astable multi vibrator circuit frequency is set by R1, C2 frequencies that are coming out of pin 3 is about 1 Hz through R2 to be good 5.制造高频和生产低频的延伸，是从IC1连接到非稳态多谐振荡器电路的频率由R1，C2频率的引脚3是通过R2好（5）约1 Hz。 of IC2, a division produce high-frequency input at Pin 5 will tone the origin of o

11、scillator IC2 is the ripple of voltage from the output of IC1 frequency of IC2 is being set by R3, C3, which, if C3 value. IC2的，一个部门产生高频输入引脚5将音振荡器IC2的起源是从IC2 IC1的频率的输出电压的纹波被设置由R3，C3，如果C3值。 will be very low tone if C3 is less treble The output will have to stand out in three legs of IC2 to stimulate

12、B of Q1 to amplify signals that drive speakers.是非常低的音调，如果C3是高音输出将有三条腿的IC2中脱颖而出，刺激B Q1放大信号，驱动扬声器。 Police sirens sound with ic 555 IC 555的警笛声 Many a person will might excited with siren sound the all that ever hear.很多人可能会兴奋的警笛声，所有听说过。 Because we will hear when there is an accident emergency event.因为我们

13、有意外发生紧急事件时，会听到。 But ever suspect that how is those sound can happen ?但是以往任何时候都怀疑这些声音是如何可能发生？ The work of the circuit IC1 which build be astable multi vibrator circuit.的工作的电路IC1构建非稳态多谐振荡器电路。 Will signal frequency low origin comes out the way pin 3 have about 1 Hz by frequency value that s were fixed

14、by the value , R1, R2, C1 signal the frequency will have that to come out pin 3 ways which built get along well with 5 of IC2 change R5 .将信号频率低的起源出来的针有大约1赫兹的频率值，S分别为固定的值，R1，R2，C1信号的频率，来销3种方式，内置相处得很好，5 IC2变化R5。 By the frequency from IC1 will touch total up with the frequency at IC2 establish will val

15、uable about 440 Hz 550 Hz the frequency had that to sent come out pin 3 ways.从IC1的频率会触及总的频率IC2建立将有价值约440赫兹 - 550赫兹的频率，发送输出引脚3种方式。 Which be take gush up of IC2 the connection goes to get along well with B of Q1 for enlarge the trend comes to sing bail make the sound of the circuit that comes out rese

16、mble the sound of police siren.可采取喷，IC2的连接相处得很好，Q1的B扩大的趋势来唱保释的电路，使声音出来的类似警笛的声音。 便宜警笛与非门IC This is a siren sound generator circuit.这是一个警报音发生器电路。 Which is less expensive and can create simple.这是更便宜，可以创建简单的。 The IC1 is using CD4011 (Digital Nand Gate) and the IC2 is CD4046 . IC1使用的是CD4011（数字与非门）和IC2为CD

17、4046。 Operation of the circuit, IC1 is a clock frequency 1 Hz.(Frequency adjusted by the value of R1 and C1.) Then it pluse IC1 regtifier through diode D1 to charge slowly with the C2 control of R3.电路操作的，IC1是一个时钟频率1赫兹（频率调整由R1和C1的值。）然后，它脉IC1 regtifier通过二极管D1与C2控制R3慢慢充电。 Then the C2 signal sends to IC

18、2 at pin 9 (Control voltage input). C2信号发送到IC2引脚9（控制电压输入）。 For IC2, which acts VCO (Voltage Conrolled Oscillator).The frequency of the output voltage control.为IC2，它充当VCO（电压Conrolled振荡器）的频率的输出电压控制。 The frequency is changed by voltage and out to the speakers.改变频率的电压和输出的扬声器。 The VR1 is the resistance a

19、djustment and C3 affect the mean frequency of the circuit.If you turn off the switch S2 is not a siren sound, but it is another voice. VR1的电阻调整和C3影响的平均频率的circuit.If关闭开关S2是不是警笛声，却是另一种声音。 And use of CMOS circuits to make very low watts of power, but also be useful in combination with other controls.和使

20、用CMOS电路，使瓦的功率非常低，但也可用于与其他控件组合。 Two tone siren sound with IC 4093 IC 4093双色警笛声 This circuit, you can create a siren has two characteristics, the automatic is a siren.该电路中，您可以创建一个警报器有两个特点，自动警报器。 Sirens and custom.警报器和自定义。 The circuit uses CMOS nand gate digital IC number IC 4093 features Quad 2-Input

21、NAND Schmitt Trigger makes it easy to use and very diverse.该电路采用CMOS与非门数字IC数字IC 4093的功能四路双输入NAND施密特触发器使得它易于使用和非常不同的。 This circuit can be used with speakers or amplifiers to additional offline.该电路可使用扬声器或放大器，其他脱机。 Principle of the circuit is the circuit switch S2a, S2b, which will run simultaneously a

22、t work.该电路的原理是电路交换S2A，S2B，将同时运行在工作。 By acting as an option that will give birth to what kind siren.作为一个选项，会生出什么样的警笛。 If the slide switch positions on a circuit, auto siren sound generator, will be IC1a, IC1b a siren signal generator.如果滑动开关位置上的电路，汽车警笛声发生器，将IC1A，IC1B的笛声信号发生器。 The signal will then be e

23、xtended through C6 with Q1, to drive the speakers.然后，该信号将被延长至C6，与Q1，以驱动扬声器。 If you move the switch to position 2 is the circuit we need to press the switch S1 to tone siren itself, and will be IC1c, IC1d while switch S1 sound is much higher, but when we switch S1 signal.如果你移动到位置2是电路的开关，我们需要按下开关S1音警报

24、器本身，并将于IC1C，IC1D而开关S1声音要高得多，但是，当我们切换S1信号。 Gradually lower, the signal generator will be delivered through C6 to Q1 growth to drive speakers as well.逐渐走低，信号发生器将被传递到C6，第1季成长，以驱动扬声器。 Four sirens sound with ic UM3561警笛声集成电路UM3561 Operation of the circuit uses a UM3516 IC IC1 number ready to create a sound all