RorohikoTaputapu

Laboratory supply mana: te whakaahuatanga, ngā painga me nedostaka taputapu

kai mana Modern he whakaaro mana tiketike mo te rorohiko whaiaro. wae pakeke pērā i ATX noho nga Ropu, ahakoa te meka e kore te ano whakawhanakehia ratou ora. Ki te kore ko koe te take tenei pūrere, ka ko reira taea ki te hanga i te supply taiwhanga mana. kia utua ngā whakarongo ki te pūrere whāiti nāianei, me te taea o tona paepae ture. Nuinga o ngā wā, he pēnei mahi wāhanga rite te maramara-momo TL494, mai te mea te reira i te otinga tino ohie mō te faafariuraa.

Mahi taiwhanga supply te mana ki o ratou ringa ake

Hei whakatinana i te whakaritea i roto i te ora e hiahia ana tatou i tetahi momo o pūrere AT, ATX, e hāngai ana nei i runga i TL494 IC. whakaaturia te kaupapa o taua supply mana i roto i te whakaahua. Ko te pūrere whakarato te taea o whāiti te kawenga tawhā o nāianei mā te whakauru atu tīwerawera hapa kongakonga taea e kore e i whakamahia e te kaiwhakanao whakaaro mema PC. Te tīwerawera ngā i roto i te supply mana taiwhanga e fulihi ngaohiko amplification iahiko (uara tōraro). whakamahia ana tēnei ara iahiko whakawhitinga te no te mea te tapeke waea pūrere hononga ki te whare, ano, te whakamahi mahi o te pūrere taua whakaatu mahi pūmau puta noa i te whānuitanga o nāianei, me te ngaohiko supply mana. whakaaro ana te toru o painga kei te tino tairongo. Tenei ka taea te whakamahi o te pūoko nāianei ki iti ātete, reira whakaiti i te uara o te kaha maiki, hua i roto i te supply taiwhanga mana mahi e kore e whakaritea e wera.

Kōpuku ki te nekehia atu:

1. Poraka hanganga Power tohu pai.

2. Rectifiers, whiriwhiringa, āhuatanga katoa o te iahiko putanga. kia anake te putanga ara iahiko 12 e mahue B.

Me whakakapi 3. Huaputa waikura pūnga i te ngaohiko tiketike ki te ngaohiko o te 25 V.

4. kia te kātere kia Ka whakahokia. Koa muku e ka kopiko katoa i tukitukia e hou (waea waea diameter 0.6-1 mm o ki te whakakī).

Ko te parau tumu o te mahi o te pūrere

I runga i te pūtake o te comparator, whakamahia i mua ki te whakaputa huihui te "Power" tohu te kōwae e whakarato ana i te tohu o te tawhā aratau whakawhāiti te nāianei kawenga. Neinvertiruemy ngaohiko i tukua ki te tāuru comparator (te uara hautanga ki te rahi tāuru). I te tāuru fulihi - uara tohutoro. Ka rite ki te roa rite te mahi i to tatou supply te mana taiwhanga i aueue i te ngaohiko i te tāuru neinvertiruemom runga ake i i te Kōaro. I te putanga o te comparator riro te taumata tohu teitei, na pirau te tohu. A, no te putaatu te pūrere te stabilization tika ki ngā here o nāianei i runga i te rerekētanga pea heke te tāuru, ka whakapumautia te taumata iti putanga te. rama arahina, te auraa e te taputapu, ko te roto o te aratau stabilization.

E powered e te mana tūtatari huihui e te i runga i te transistor ki te huri i te uara o te ngaohiko putanga e kore pā te mahi o ICS maramara Semiconductor.

Laboratory supply mana i ATX: kaha me ngoikoretanga

Ko te painga o taua whakaaro ngā ratou utu iti, rite taea te kitea poraka whakamahia i mua nga wahi katoa. Kei roto ratou i te wae tika katoa, nui i roto i nei ko te hiko pini. I tua atu, kōwae mana supply he rerekē ngā āhuatanga taimaha me te rahi. Ko te huakore Ko te whānuitanga nui o haruru auau tiketike, e tauwhāiti whakamahi.

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