Kubva pamiedzo yebvunzo yezvakasiyana zvigadzirwa, zvinowanikwa kuti iyi esd bvunzo yakakosha: Kana dunhu redunhu harina kugadzirwa, kana magetsi emagetsi akaunzwa, ichaita kuti chigadzirwa chigeze kana kukuvadza zvikamu. Munguva yakapfuura, ini chete ndakaona kuti ESD aigona kukuvadza zvikamu, asi ini ndaisatarisira kubhadhara zvakakwana kune zvigadzirwa zvemagetsi.
Esd ndizvo zvatinowanzo fonera electro-static discharge. Kubva muruzivo rwakadzidza, zvinogona kuzivikanwa kuti magetsi echisikigo, iyo inowanzo kugadzirwa kuburikidza nekuwisana kwemidziyo yemisangano kana kunyange makumi maviri emakumi ezviuru emakumi magetsi)), simba rakaderera, rakaderera razvino nguva. Zvemagetsi zvigadzirwa, kana dhizaini yemagetsi isina kunyatsogadzirwa, kushanda kwezvigadzirwa zvemagetsi uye kwemagetsi kazhinji hazviwanzo kuve zvisina kugadzikana kana kutokuvadzwa.
Nzira mbiri dzinowanzoshandiswa kana uchiita ESD discharge bvunzo: Bata discharge uye kuraswa kwemhepo.
Bata discharge ndeyekuburitsa zvakananga zvishandiso zviri pasi pekuedzwa; Kubviswa kwemhepo kunodaidzwawo zvisina kunzi discharge, iyo inogadzirwa nekubatanidza kwemunda wakasimba wemagineti kusvika padhuze nemisiyano yepakati. Iyo bvunzo yekubvunzira kune aya miviri bvunzo inowanzoitika 2KVV-8KV, uye zvinodiwa zvakasiyana mumatunhu akasiyana. Naizvozvo, usati wagadzira, isu tinofanirwa kutanga tafunga musika wechigadzirwa.
Mamiriro ezvinhu maviri ari pamusoro apa anoongororwa zvigadzirwa zvemagetsi izvo zvisingakwanisi kushanda nekuda kwesarudzo yemuviri yemunhu kana zvimwe zvikonzero kana muviri wemunhu ukasangana nezvigadzirwa zvemagetsi. Nhamba iri pazasi inoratidza iyo manhamba ekunyaradza emamwe emamwe mwedzi mumwedzi akasiyana yegore. Inogona kuoneka kubva kune iyo nhamba iyo Lasvegas ine zvinyoro nyoro mugore rese. Zvigadzirwa zvemagetsi munzvimbo ino zvinofanirwa kutarisisa zvakanyatsotarisisa kudzivirirwa.
Mamiriro ezvinhu ezvinonyorovesa akasiyana munzvimbo dzakasiyana dzepasi, asi panguva imwe chete mudunhu, kana iyo mweya humbowo husina kufanana, magetsi emagetsi akagadzirwa zvakare akasiyanawo. Tafura inotevera ndiyo data yakaunganidzwa, kubva kwainogona kuonekwa kuti magetsi emagetsi anowedzera sezvo mweya unomiririra unoderera. Izvi zvakare zvisina kunangana zvinotsanangudza chikonzero nei iyo static spark yakagadzirwa kana ichibvisa sweta mune yekuchamhembe kwechando yakakura kwazvo. "
Sezvo magetsi emagetsi ane njodzi yakakura kudaro, tingadzivirira sei? Paunenge uchigadzira dziviriro yemagetsi, tinowanzo kugovera mumatanho matatu: dzivirira mari yekunze kubva mukuyerera mudunhu redunhu uye kukonzera kukuvara; Dzivirira kunze kwenyika masheni emagineti kubva mukukuvadza bhodhi redunhu; Dzivirira kukuvara kubva kuminda yemagetsi.
Mugadziriro yedunhu chairo, isu tinoshandisa imwe kana kupfuura yenzira dzinotevera dzekudzivirira kwemagetsi:
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Avalanche diodes yekuchengetedza electrostatic
Iyi zvakare nzira inowanzoshandiswa mukugadzirwa. Maitiro akajairika ndewekubatanidza Avalanche diode kune iyo pasi mukuenzanisa pane yakakosha chiratidzo chiratidzo. Iyi nzira ndeyekushandisa iyo Avalout Diode kuti ipindure nekukurumidza uye nekugona kudzikisira kusawirirana, izvo zvinogona kupedza voltage yakakwirira munguva pfupi yekuchengetedza dunhu redunhu.
2
Shandisa yakakwirira-voltage capacitors kuchengetedza redunhu
Nenzira iyi, ceramic capacitors neyakagadziriswa voltage ye1 1.5kv inowanzoiswa muI / O connector kana chinzvimbo chechiratidzo chakapfupika, uye mutsara wekubatana hupfupi sezvinobvira kuitira kuti uderedze kutarisisa kwemutsara wekubatana. Kana capacitor ine yakaderera ichiramba voltage inoshandiswa, inokonzeresa kumuchengetedzo uye kurasikirwa nekudzivirira kwaro.
3
Shandisa Ferrite Beads yekudzivirira redunhu
Ferrite Beads inogona kutsigira ESD iripo zvakanaka, uye inogona zvakare kudzvinyirira radiation. Paunosangana nematambudziko maviri, Bead Bead isarudzo yakanaka kwazvo.
4
Spark GAP nzira
Iyi nzira inoonekwa muchikamu chezvinhu. Iyo nzira chaiyo ndeyekushandisa matatu emhangura nemazano akaudzana pamwe chete pane iyo microstrop mutsara denderedzwa rakaumbwa nemhangura yemhangura. Mumwe mugumo weiyo tri nyango copper yakabatana nemutsara weSignal, uye imwe yacho ndiyo trikungur copper. Batanidza muvhu. Kana paine zvemagetsi zvemagetsi, zvichaburitsa kupinza discharge uye kuneta simba remagetsi.
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Shandisa iyo Lc Filter nzira kuchengetedza dunhu
Iyo firita inoumbwa ne lc inogona kuita zvinobudirira kuderedza iyo yakakwira frequency statiser magetsi kubva mukupinda dunhu. Iyo inductive maitiro eInductor yakanaka kuInhibiting High Frequency Esd kubva mukupinda dunhu, nepo capacititor inobvisa simba rakakwirira reSED pasi. Panguva imwecheteyo, iyi mhando yefaira inogona zvakare kutsauka pamucheto wechiratidzo uye kuderedza iyo rf maitiro, uye kuita kwacho kwave kwakawedzera kuvandudzwa maererano nekuvimbika kwemasanhuwa.
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Multilayer bhodhi yeEsd Dziviriro
Kana mari ikabvumirana, kusarudza nzira yakawanda zvakare ndiyo nzira inoshanda yekudzivirira ESD. MuBhodhi rakawanda-resvhi, nekuti kune yakakwana pasi ndege iri padyo neyakaona, izvi zvinogona kuita kuti Esd murume nemukadzi vakurumidze kukurumidza, vobva vadzivirira basa remasaini akakosha.
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Nzira yekubva bhendi yekudzivirira pane iyo denshery yemutungamiriri wedunhu rekudzivirira
Iyi nzira kazhinji inowanzo dhonza matsvingo yakatenderedza dunhu redunhu pasina welding layer. Kana mamiriro ezvinhu achibvumidza, batanidza iyo trace kune dzimba. Panguva imwecheteyo, inofanira kucherechedzwa kuti iyo iyo hosha haigone kuumba chiuno chakavharwa, kuti irege kuumba chiuno uye chinokonzera dambudziko rakakura.
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Shandisa CMOS Shandiso kana TTL Midziyo ine Slamping Diode yeDunhu Dircit
Iyi nzira inoshandisa nheyo yekuzviparadzanisa nekuchengetedza dunhu redunhu. Nekuti midziyo iyi inochengetedzwa neinongororo diodes, kuoma kweiyo dhizaini kunoderedzwa mune chaiyo dunhu redunhu.
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Shandisa decoupling capacitors
Aya gadziriso yekuzvishongedza inofanira kunge ine yakaderera ESL uye ESR maitiro. Zvekuderera-frequency Esd, iyo yekukoka capacitors inoderedza iyo loop nzvimbo. Nekuda kwemhedzisiro yeESL yaro, basa reEkistelte rakadzikira, iro rinogona kuita nani faira-frequency simba. .
Muchidimbu, kunyangwe ESD inotyisa uye inogona kutounza mhedzisiro yakakomba, asi nekudzivirira simba chete uye mitsara yemasaini mudunhu rinogona kudzivirira iyo ESD ikozvino kubva kuPCB. Pakati pavo, vhesi rangu rinowanzotaura kuti "mambo akanaka mambo". Ndinovimba mutsara uyu unogona zvakare kukuunza iwe mhedzisiro yekutyora skylight.