黑白电视机高压包做电子灭鼠器的原理图

一个高压包一个电阻一个三级管几个电容组成
2025-02-21 06:17:54
推荐回答(3个)
回答1:

交、直流两用电子灭鼠器制作方法时间:2009-05-27 16:55来源:不详 作者:admin 点击: 次   交、直流两用电子灭鼠器 电子灭鼠器是消灭老鼠的一种行之有效的方法,它是以各种老鼠喜欢的食物为诱饵,把老鼠引至高压线旁,使鼠类触电昏死。本电子灭鼠器既可以采用干电池或蓄电池供电,又可使用交流电源。1.电路工作原理交、直流两用电子灭鼠器的电路如图30-1所示,它是由稳压电路、高压产生电路及报警电路所组成的。 图30-1电源降压变压器B、三极管BG1、稳压管DW等,组成降压稳压电路,使其输出稳定的12V直流电。时基集成电路IC、电阻R1、R2和电容C1、C2组成一无稳态电路,接通电源,即可产生高音频振荡,由IC直接推动功率放大管BG1工作,使放大后的振荡电流经变压器B的升压,在次级绕组上产生3000V左右的交变脉冲高压。该高压加到电网上,当老鼠被高压电网上的诱饵所吸引或因活动而触及电网时,即被高压击倒昏死。为能及时知道老鼠触电昏死和清理现场,三极管Bg3、BB4、电容C10及扬声器Y等组成延时式报警电路。当鼠类被高压电网击中后,电阻R6因流过电流而产生电压降,该电压降经电阻R7向电容C10充电,充电电压达到一定值后促使BG3、BG4管组成的互补音频振荡器工作,扬声器发出警声。当在无交流电源地区使用时,稳压电源部分可省去,直接采用12V直流电源供电即可。2.元件选择与制作BG1、BG2为NPN型大功率三极管,要求β>30,BVCEO≥120V,PCM≥20W,可选用3DD15B或3DD7。BG3为PNP型三极管,选3AX31或9015。BG4为NPN型三极管,选3DG6或9013。升压变压器B2,可用22.9~30.5cm(9~12英寸)电视机的行输出变压器,原高压包不动,低压包绕组拆去,用φ0.8~0.9mm的高强度漆包线绕30圈左右,也可以直接用轻便摩托车上的点火线圈代用。如果自制时,变压器的铁芯面积在14~8cm2,可选用E17型磁芯。初级绕组用φ0.6mm高强度漆包线绕35圈;次级用φ0.19~0.21mm漆包线绕1500~1800圈。电源采用直流供电时,最好选用3~6Ah的蓄电池,相对于1号或大号的电池寿命长,较经济合算。电源变压器可选用任何型号,输入电压为220V、输出电压为12V即可。Y为小口径0.5W、8Ω扬声器。IC是时基集成电路,可选用NE555、LM555或5G1555。R1470Ω R24.7k3R3680Ω R4470ΩR51kΩ R62kΩR751kΩ C1、C90.1μFC20.022μF C347μF16VC5470μF25V C4、C7、C8、C10220μF16VC610μF16VDW为稳压管,选用2CW21。电子灭鼠器的印刷电路如图30-2所示。 图30-2按图检查组装无误后,接通电源即可正常工作。若无高压输出,则多是由于BG1管放大倍数过低或损坏。灭鼠高压电网通过两条胶质导线与灭鼠器高压输出端相接,高压电网分单线网和双线网两种,如图30-3所示。 3.使用注意事项要使灭鼠器有良好的灭鼠效果,在使用时应注意以下几点:(1)高压电网应设置在鼠类经常出入的洞口和经常活动的场所,并沿老鼠爱跑动的边角布线,使电网区域成为老鼠的必经之路;(2)高压电网距地面距离要适中,太低或太高都将影响击杀效果;(3)电子灭鼠器装置与高压电网间的连线应选择绝缘性能良好的导线,应先接好高压电网及灭鼠装置间的连线,后接通电源;(4)捕鼠器应设专人看守,避免惊扰老鼠或碰坏高压电网;(5)灭鼠装置设置在室内,看守人员听到报警声响,即可关闭灭鼠器的电源,尔后到高压电网现场处理昏死的老鼠,以防时间长了老鼠跑掉;(6)守护人员处理好昏死的鼠类后,应重新开机,让高压电网处在待击杀状态;(7)为了吸引更多的鼠类遭其电击,最好用一些导电性能良好的食物(如湿菜皮等)作诱饵,放在高压电网上,或将欲防鼠类啃咬的粮食等置于电网中间。 输出的电压虽较高,但由于电流小,对人或大的牲畜等只有麻电或轻微电击感觉,无伤害作用

回答2:

就是通过电容充放电,使用脉冲高压电死老鼠啊!

回答3:

网上找的,希望对你有所启迪。

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