摩托车报警器电路图
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摩托车报警器电路图
作者：佚名来源：本站整理发布时间：20085239:26:16
国外的
下面是英文的介绍：anynumberofnormallyopenswitchesmaybeused.fitthemercuryswitchessothattheyclosewhenthesteeringismovedorwhenthebikeisliftedoffitssidestandorpushedforwardoffitscentrestand.usemicroswitchestoprotectremovablepanelsandthelidsofpanniersetc.whileatleastoneswitchremainsclosed,thesirenwillsound.abouttwominutesaftertheswitcheshavebeenopenedagain,thealarmwillreset.howlongittakestoswitchoffdependsonthecharacteristicsoftheactualcomponentsused.but,uptoapoint,youcanadjustthetimetosuityourrequirementsbychangingthevalueofc1.
thecircuitboardandswitchesmustbeprotectedfromtheelements.dampnessorcondensationwillcausemalfunction.withoutitsterminalblocks,theboardissmall.ideally,youshouldtrytofindasirenwithenoughsparespaceinsidetoaccommodateit.fita1ampinlinefuseclosetothepowersource.thisprotectsthewiring.insteadofusingakeyswitchyoucanuseahiddenswitch;oryoucouldusethenormallyclosedcontactsofasmallrelay.wiretherelaycoilsothatitisenergizedwhiletheignitionison.theneverytimeyouturntheignitionoff,thealarmwillsetitself.
whenit‘snotsounding,thecircuitusesvirtuallynocurrent.thisshouldmakeitusefulinothercircumstances.forexample,poweredbydrybatteriesandwiththerelayandsirenvoltagestosuit,itcouldbefittedinsideacomputeroranythingelsethat‘sindangerofbeingpickedupandcarriedaway.thelowstandbycurrentandautomaticresetmeansthatforthissortofapplicationanexternalon/offswitchmaynotbenecessary.