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Akụkọ

Isi nrụgide gburugburu ebe obibi nke na-akpata ọdịda nke ngwaahịa eletrọnịkị, mgbanwe okpomọkụ ngwa ngwa, ụlọ nyocha okpomọkụ dị mmiri

Ụlọ nleba anya okpomọkụ na-agbanwe ngwa ngwa na-ezo aka na usoro nke nyocha ihu igwe, okpomọkụ ma ọ bụ nrụsi ọrụ ike nke nwere ike ịkpata ọdịda nke ihe nlele. Dịka ọmụmaatụ, ọ nwere ike ịchọta ntụpọ na nhazi nke modul eletrọnịkị, ihe ma ọ bụ mmepụta. Teknụzụ nyocha nrụgide (ESS) nwere ike ịchọpụta ọdịda mmalite na ọkwa mmepe na mmepụta, belata ihe egwu nke ọdịda n'ihi njehie nhọrọ imewe ma ọ bụ usoro nrụpụta adịghị mma, ma melite ntụkwasị obi ngwaahịa. Site na nyocha nrụgide gburugburu ebe obibi, usoro ndị a na-apụghị ịdabere na ya nke batara n'ọkwa ule mmepụta nwere ike ịchọta. A na-eji ya dị ka usoro ọkọlọtọ maka mmelite mma iji gbatịa ndụ ọrụ nkịtị nke ngwaahịa ahụ nke ọma. Usoro SES nwere ọrụ ngbanwe akpaka maka refrigeration, kpo oku, ikuku, na iru mmiri (ọrụ iru mmiri bụ naanị maka usoro SES). A na-eji ya eme ihe maka nyocha nrụgide okpomọkụ. Enwere ike iji ya maka okpomọkụ dị elu nke ọdịnala, obere okpomọkụ, oke elu na obere okpomọkụ, iru mmiri mgbe niile, okpomọkụ na iru mmiri. Nnwale gburugburu ebe obibi dị ka ikpori mmiri, ikpo ọkụ na iru mmiri, wdg.

Atụmatụ:

Ọnụego mgbanwe okpomọkụ 5℃/Min.10℃/Min.15℃/min.20℃/min iso-nkezi okpomọkụ

Emebere igbe iru mmiri ka ọ bụrụ nke na-adịghị ekpokọta ọnụ iji zere ikpe na-ezighị ezi nke nsonaazụ ule.

Ike ibu ihe mmemme 4 ON / Gbanyụọ njikwa mmepụta iji chebe nchekwa nke akụrụngwa n'okpuru ule

Njikwa ikpo okwu mkpanaka APP nwere ike ịgbasa. Ọrụ ọrụ ime anya nwere ike ịgbasawanye.

njikwa ikuku refrigerant na gburugburu ebe obibi, nchekwa ike na nchekwa ike, ọkụ ọkụ na ọnụego jụrụ oyi.

Ọrụ mgbochi condensation nọọrọ onwe ya na ọnọdụ okpomọkụ, enweghị ọrụ nchekwa ikuku na anwụrụ ọkụ nke ngwaahịa a na-anwale

dytr (2)

Ụdị ọrụ pụrụ iche, mgbe ule ahụ gasịrị, kabinet na-alaghachi na ọnụ ụlọ okpomọkụ iji chebe ngwaahịa a na-anwale

onyunyo vidiyo netwọkụ enwere ike ịgbatị, mekọrịtara ya na nnwale data

Ndokwa sistemụ njikwa akpaka ncheta na arụrụ ọrụ imewe sọftụwia ikpe

Ihuenyo agba 32-bit njikwa njikwa E Ethernet E, ọrụ ịnweta data UCB

Nchacha ikuku akọrọ nke ahaziri iche iche iji chebe ngwaahịa a na-anwale site na mgbanwe okpomọkụ ngwa ngwa n'ihi njupụta elu

Industrylọ ọrụ dị ala iru mmiri nso 20 ℃/10% ikike njikwa

Ejiri usoro mmiri mmiri na-akpaghị aka, usoro ntinye mmiri dị ọcha na ọrụ ncheta ụkọ mmiri

Zute nyocha nrụgide nke ngwaahịa ngwa elektrọnik, usoro enweghị ụzọ, MIL-STD-2164, MIL-344A-4-16, MIL-2164A-19, NABMAT-9492, GJB-1032-90, GJB/Z34-5.1. 6, IPC -9701 ... na ule nyocha ndị ọzọ. Mara: Usoro nnwale otu nkesa okpomọkụ na iru mmiri dabere na nha oghere dị irè nke anya dị n'etiti igbe ime na akụkụ nke ọ bụla 1/10 (GB5170.18-87)

N'ime usoro ọrụ nke ngwaahịa elektrọnik, na mgbakwunye na nrụgide eletriki dị ka voltaji na ugbu a nke ibu eletriki, nrụgide gburugburu ebe obibi na-agụnye oke okpomọkụ na okirikiri okpomọkụ, nrụgharị igwe na ujo, iru mmiri na ịgba nnu, nnyonye anya mpaghara electromagnetic, wdg. omume nke nrụgide gburugburu ebe obibi ahụ a kpọtụrụ aha n'elu, ngwaahịa ahụ nwere ike ịnweta mmebi arụmọrụ, mkpagharị parameter, corrosion ihe, wdg, ma ọ bụ ọbụna ọdịda.

Mgbe emechara ngwaahịa eletrọnịkị, site na nyocha, ngwa ahịa, ụgbọ njem iji na nrụzi, nrụgide gburugburu ebe obibi na-emetụta ha niile, na-eme ka ihe anụ ahụ, kemịkalụ, igwe na eletriki nke ngwaahịa ahụ na-agbanwe mgbe niile. Usoro mgbanwe ahụ nwere ike ịdị nwayọọ ma ọ bụ na-agafe agafe, ọ dabere kpamkpam n'ụdị nrụgide gburugburu ebe obibi na oke nrụgide ahụ.

Nchegbu ọnọdụ ọnọdụ okpomọkụ na-ezo aka na okpomọkụ nzaghachi nke ngwaahịa eletrọnịkị mgbe ọ na-arụ ọrụ ma ọ bụ na-echekwa ya na ọnọdụ okpomọkụ. Mgbe okpomọkụ nzaghachi gafere oke nke ngwaahịa ahụ nwere ike idi, ngwaahịa akụrụngwa agaghị enwe ike ịrụ ọrụ n'ime oke ọkụ eletrik a kapịrị ọnụ, nke nwere ike ime ka ngwaahịa ahụ dị nro ma gbanwee ma ọ bụ belata arụmọrụ mkpuchi, ma ọ bụ ọbụna gbaa ọkụ n'ihi ya. ka ekpo oke ọkụ. Maka ngwaahịa ahụ, a na-ekpughe ngwaahịa ahụ na oke okpomọkụ n'oge a. Nchegbu, oke okpomọkụ nwere ike ime ka ọdịda ngwaahịa na obere oge ime ihe; mgbe okpomọkụ nzaghachi agafeghị oke ọrụ okpomọkụ nke ngwaahịa ahụ, mmetụta nke nrụgide ọnọdụ okpomọkụ na-egosipụta na mmetụta nke ime ogologo oge. Mmetụta nke oge na-eme ka ngwaahịa ngwaahịa ahụ jiri nwayọọ nwayọọ na-akawanye nká, na ihe ndị na-arụ ọrụ eletrik na-agagharị ma ọ bụ na-adịghị mma, nke na-emecha na-eduga na ọdịda ngwaahịa. Maka ngwaahịa ahụ, nrụgide okpomọkụ n'oge a bụ nrụgide okpomọkụ dị ogologo oge. Nchegbu ọnọdụ ọnọdụ okpomọkụ nke ngwaahịa eletrọnịkị na-enweta na-abịa site na ibu ọnọdụ okpomọkụ dị na ngwaahịa na okpomọkụ nke sitere na ike nke ya. Dịka ọmụmaatụ, n'ihi ọdịda nke usoro ikpo ọkụ na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ nke ngwá ọrụ, okpomọkụ nke akụkụ ahụ ga-agafe oke elu nke okpomọkụ a na-anabata. A na-ekpughe akụkụ ahụ na oke okpomọkụ. Nchegbu: N'okpuru ọnọdụ ọrụ kwụsiri ike ogologo oge nke ọnọdụ nchekwa nchekwa, ngwaahịa ahụ na-enwe nrụgide okpomọkụ ogologo oge. Enwere ike ikpebi oke oke oke okpomọkụ nke ngwaahịa eletrọnịkị site na ịga n'ihu ule ịsa mmiri dị elu, yana enwere ike nyochaa ndụ ọrụ nke ngwaahịa eletrọnịkị n'okpuru ogologo oge okpomọkụ site na nnwale ndụ steeti kwụ ọtọ (mmụba ọkụ dị elu).

Ịgbanwe nrụgide okpomọkụ pụtara na mgbe ngwaahịa eletrọnịkị nọ na ọnọdụ okpomọkụ na-agbanwe agbanwe, n'ihi ọdịiche dị na mgbasawanye okpomọkụ nke ihe ndị na-arụ ọrụ nke ngwaahịa ahụ, a na-edobe ihe mgbagwoju anya nke okpomọkụ site na mgbanwe okpomọkụ. Mgbe okpomọkụ na-agbanwe nke ukwuu, ngwaahịa ahụ nwere ike ịgbawa ozugbo wee daa na interface ihe. N'oge a, a na-edobe ngwaahịa ahụ na nrụgide mgbanwe okpomọkụ ma ọ bụ nrụgide okpomọkụ; mgbe mgbanwe okpomọkụ dị ntakịrị, mmetụta nke mgbanwe nrụgide okpomọkụ na-egosipụta ruo ogologo oge Ihe ntanetị ihe na-aga n'ihu na-eguzogide nrụgide okpomọkụ nke mgbanwe okpomọkụ na-emepụta, na mmebi micro-cracking nwere ike ime na mpaghara ụfọdụ micro. Nbibi a na-eji nwayọọ nwayọọ na-agbakọ, na-emecha na-eduga n'ọhụụ ngwaahịa ngwaahịa ma ọ bụ na-agbaji mfu. N'oge a, ngwaahịa na-ekpughere ogologo oge okpomọkụ. Nchegbu na-agbanwe agbanwe ma ọ bụ nrụgide ịnya igwe okpomọkụ. Mgbanwe mgbanwe okpomọkụ nke ngwaahịa eletrọnịkị na-atachi obi sitere na mgbanwe okpomọkụ nke gburugburu ebe ngwaahịa dị na ọnọdụ mgbanwe nke ya. Dịka ọmụmaatụ, mgbe ị na-esi n'ime ụlọ na-ekpo ọkụ gaa n'èzí oyi, n'okpuru radieshon siri ike, mmiri ozuzo mberede ma ọ bụ imikpu n'ime mmiri, okpomọkụ na-agbanwe ngwa ngwa site na ala ruo elu elu nke ụgbọ elu, ọrụ nkwụsịtụ na gburugburu ebe oyi, ọwụwa anyanwụ azụ anwụ na mbara igwe N'ihe banyere mgbanwe, reflow soldering na rework nke microcircuit modul, ngwaahịa na-edokwa okpomọkụ ujo nrụgide; A na-akpata ngwa ahụ site na mgbanwe oge na-agbanwe na ọnọdụ ihu igwe nke okike, ọnọdụ ọrụ na-adịte aka, mgbanwe okpomọkụ nke sistemu akụrụngwa n'onwe ya, na mgbanwe na ngwa nzikọrịta ozi na-akpọ olu. N'ihe banyere ngbanwe nke oriri ike, ngwaahịa a na-enwe nrụgide ịgba ígwè okpomọkụ. Enwere ike iji ule ujo nke thermal iji nyochaa nguzogide nke ngwaahịa eletrọnịkị mgbe enwere mgbanwe dị ukwuu na ọnọdụ okpomọkụ, enwere ike iji ule okirikiri okpomọkụ nyochaa mgbanwe nke ngwaahịa eletrọnịkị na-arụ ọrụ ogologo oge n'okpuru mgbanwe dị elu na ọnọdụ okpomọkụ dị ala. .

2. Mechanical nrụgide

Nchegbu n'ibu nke ngwaahịa eletrọnịkị na-agụnye ụdị nrụgide atọ: ịma jijiji n'ibu, ujo igwe, na ngwa ngwa mgbe niile (ike centrifugal).

Nchegbu n'ọrụ igwe na-ezo aka n'ụdị nrụgide arụ ọrụ nke ngwaahịa eletrọnịkị na-ebute na-emegharị gburugburu otu ọnọdụ nha anya n'okpuru omume nke ike mpụga gburugburu ebe obibi. A na-ekewa ụda igwe igwe n'ime ịma jijiji efu, ịma jijiji mmanye, na ịma jijiji nke onwe ya dịka ihe kpatara ya; dị ka iwu mmegharị nke nrụgharị igwe si dị, enwere ịma jijiji sinusoidal na ịma jijiji enweghị usoro. Ụdị ịma jijiji abụọ a nwere ike mbibi dị iche iche na ngwaahịa ahụ, ebe nke ikpeazụ na-emebi ihe. Nke buru ibu, yabụ ọtụtụ ntule ule ịma jijiji na-anabata ule ịma jijiji na-enweghị usoro. Mmetụta nke ịma jijiji n'ibu na ngwaahịa eletrọnịkị gụnyere nrụrụ ngwaahịa, ịgbagọ, mgbawa, mgbaji, wdg kpatara site na ịma jijiji. Ngwaahịa eletrọnịkị n'okpuru nrụgide ịma jijiji ogologo oge ga-eme ka ihe ndị mejupụtara interface ga-agbawa n'ihi ike ọgwụgwụ na ike ọgwụgwụ n'ibu; ọ bụrụ na ọ na-eme Resonance na-eduga n'oke nrụgide mgbawa ọdịda, na-ebute mmebi nhazi ngwa ngwa na ngwaahịa eletrọnịkị. Nchegbu n'ibu nke ngwaahịa eletrọnịkị na-abịa site na ibu ọrụ nke gburugburu ebe a na-arụ ọrụ, dị ka ntụgharị, pulsation, oscillation na ibu ọrụ gburugburu ebe obibi ndị ọzọ nke ụgbọ elu, ụgbọ ala, ụgbọ mmiri, ụgbọ ala ikuku na ihe nrụpụta ala, ọkachasị mgbe a na-ebufe ngwaahịa ahụ. na ọnọdụ na-adịghị arụ ọrụ Na dị ka ihe a na-agbanye ụgbọ ala ma ọ bụ ikuku na-arụ ọrụ n'okpuru ọnọdụ ọrụ, ọ bụ ihe a na-apụghị izere ezere iji nagide nrụgide mkpọtụ igwe. Enwere ike iji ule ịma jijiji arụrụ arụ (ọkachasị ule ịma jijiji na-enweghị usoro) iji nyochaa ngbanwe nke ngwaahịa eletrọnịkị na-emegharị igwe ugboro ugboro n'oge arụ ọrụ.

Nchegbu n'ọrụ igwe na-ezo aka n'ụdị nrụgide arụrụ arụ kpatara site na otu mmekọrịta kpọmkwem n'etiti ngwaahịa eletrọnịkị na ihe ọzọ (ma ọ bụ akụkụ) n'okpuru ọrụ nke ike gburugburu ebe obibi, na-ebute mgbanwe mberede na ike, nchụpụ, ọsọ ma ọ bụ mmụgharị nke ngwa ngwa. ngwaahịa n'otu ntabi anya N'okpuru omume nke nrụsi mmetụta n'ibu, ngwaahịa ahụ nwere ike hapụ ma bufee nnukwu ume n'ime obere oge, na-akpata mmebi dị ukwuu na ngwaahịa ahụ, dị ka ịkpata mmebi ngwaahịa eletrọnịkị, sekit mepere emepe/mkpụmkpụ ozugbo, na mgbawa na mgbaji. nke ngwugwu ngwugwu gbakọtara, wdg. Dị iche na nchikota nbibi kpatara site na ogologo oge omume nke vibration, mmebi nke igwe ujo na ngwaahịa na-egosipụta dị ka ndọkwasị ntọhapụ nke ike. Ọnụ ọgụgụ nke ule ujo n'ibu dị ukwuu ma ogologo oge ujo dị mkpụmkpụ. Ọnụ ahịa kachasị elu nke na-akpata mmebi ngwaahịa bụ isi ụbụrụ. Ogologo oge nke a bụ naanị ole na ole milliseconds ruo iri iri nke milliseconds, na ịma jijiji mgbe isi usu na-emebi ngwa ngwa. A na-ekpebi ịdị ukwuu nke nrụgide ujo a na-arụ ọrụ site na ngwangwa kacha elu yana ogologo oge ujo ahụ. Ọnụ ọgụgụ kasị elu nke osooso na-egosipụta ịdị ukwuu nke mmetụta mmetụta etinyere na ngwaahịa, na mmetụta nke oge nke ujo usu na ngwaahịa metụtara eke ugboro nke ngwaahịa. metụtara. Nchegbu n'arụ ọrụ nke ngwaahịa eletrọnịkị na-abịa site na mgbanwe dị egwu na ọnọdụ igwe nke akụrụngwa na akụrụngwa elektrọnik, dị ka breeki mberede na mmetụta nke ụgbọ ala, airdrops na ọdịda nke ụgbọ elu, ọkụ ogbunigwe, mgbawa ike kemịkalụ, mgbawa nuklia, mgbawa, wdg. Mmetụta igwe, ike mberede ma ọ bụ mmegharị mberede kpatara site na nbudata na nbudata, njem ụgbọ njem ma ọ bụ ọrụ ubi ga-emekwa ka ngwaahịa ahụ ghara ịdị irè. Enwere ike iji ule ujo a na-arụ ọrụ iji nyochaa ngbanwe nke ngwaahịa eletrọnịkị (dị ka ihe owuwu sekit) na ujo igwe anaghị emegharị ugboro ugboro n'oge eji na njem.

Ịgba ọsọ ọsọ (centrifugal force) nrụgide na-ezo aka n'ụdị ike centrifugal na-emepụta site na mgbanwe mgbanwe na-aga n'ihu nke ntụziaka nke onye na-ebu ya mgbe ngwaahịa eletrọnịkị na-arụ ọrụ na-ebu ibu. Centrifugal Force bụ ike inertial ike nke na-eme ka ihe na-agbagharị agbagharị ghara ịdị n'etiti ntụgharị. Ike centrifugal na ike centripetal hà nhata n'ịdị ukwuu ma na-emegide ya na ntụzịaka. Ozugbo ike centripetal guzobere site na ike mpụga nke pụta wee duzie ya n'etiti okirikiri ahụ na-apụ n'anya, ihe na-atụgharị agaghịkwa na-atụgharị kama, ọ na-efega n'akụkụ ụzọ mgbanaka nke ntụgharị n'oge a, ngwaahịa ahụ mebiri emebi. oge a. Ogo nke ike centrifugal metụtara oke, ọsọ ọsọ na ngwa ngwa (radius nke ntụgharị) nke ihe na-akpụ akpụ. Maka akụrụngwa eletrọnịkị nke na-adịghị agbado nke ọma, ihe omume nke ihe ndị na-efe efe na-efe efe n'ihi nkewa nke nkwonkwo solder ga-eme n'okpuru ọrụ nke ike centrifugal. Ngwaahịa adaala. Ike centrifugal nke ngwaahịa eletrọnịkị na-ebu na-abịa site na mgbanwe na-aga n'ihu na ọnọdụ ọrụ nke ngwa elektrọnik na akụrụngwa n'ụzọ ngagharị, dị ka ụgbọ ala na-agba ọsọ, ụgbọ elu, rọketi, na ntụgharị ntụgharị, nke mere na ngwa elektrọn na akụrụngwa dị n'ime ga-eguzogide ike centrifugal. ọzọ karịa ike ndọda. Oge mmemme sitere na sekọnd ole na ole ruo nkeji ole na ole. Na-ewere rọketi dịka ọmụmaatụ, ozugbo mgbanwe ntụzịaka ahụ mechara, ike centrifugal na-apụ n'anya, ike centrifugal na-agbanwe ọzọ wee mee ọzọ, nke nwere ike ịmepụta ike centrifugal na-aga n'ihu ogologo oge. Enwere ike iji ule ịgbado ọkụ mgbe niile (nnwale centrifugal) iji nyochaa ịdị ike nke usoro ịgbado ọkụ nke ngwaahịa eletrọnịkị, ọkachasị ihe mgbago elu elu buru ibu.

3. Nchegbu mmiri

Nchegbu nke mmiri na-ezo aka na nrụgide mmiri nke ngwaahịa eletrọnịkị na-atachi obi mgbe a na-arụ ọrụ na gburugburu ikuku nwere ụfọdụ iru mmiri. Ngwaahịa eletrọnịkị na-enwe mmetụta nke ukwuu maka iru mmiri. Ozugbo iru mmiri nke gburugburu ebe obibi gafere 30% RH, ihe igwe nke ngwaahịa ahụ nwere ike mebie, yana oke arụmọrụ eletrik nwere ike ịfegharị ma ọ bụ dara ogbenye. Dịka ọmụmaatụ, n'okpuru ọnọdụ iru mmiri dị ogologo oge, arụmọrụ mkpuchi nke ihe mkpuchi na-ebelata mgbe ọ gbasasịrị mmiri, na-eme ka obere sekit ma ọ bụ ọkụ eletrik dị elu; kọntaktị ngwa ngwa eletrọnịkị, dị ka plọg, oghere, wdg, na-adị mfe na-emebi emebi mgbe mmiri na-ejikọta ya n'elu, na-akpata ihe nkiri oxide , Nke na-eme ka nguzogide ngwaọrụ kọntaktị, nke ga-eme ka a na-egbochi sekit n'ọnọdụ siri ike. ; N'ebe dị oke iru mmiri, ikuku ma ọ bụ uzuoku mmiri ga-ebute ọkụ mgbe agbanyere kọntaktị relay na enweghị ike ịrụ ọrụ ọzọ; ibe semiconductor na-enwe mmetụta karịa ikuku mmiri, otu oge mgbawa elu mmiri ikuku iji gbochie ngwa elektrọn ka ọ ghara imebi site na ikuku mmiri, a na-anakwere encapsulation ma ọ bụ teknụzụ nkwakọ ngwaahịa hermetic iji kewapụ ihe ndị ahụ na ikuku dị n'èzí na mmetọ. Nchegbu mmiri nke ngwaahịa eletrọnịkị na-abịa site na mmiri dị n'elu ihe ndị a na-etinye na gburugburu ebe ọrụ nke ngwá electronic na akụrụngwa na mmiri na-abanye n'ime ihe ndị ahụ. Ogo nke nrụgide mmiri na-emetụta ọkwa iru mmiri gburugburu. Ebe ndịda ọwụwa anyanwụ nke ụsọ oké osimiri nke mba m bụ ebe nwere oke iru mmiri, karịsịa n'oge opupu ihe ubi na ọkọchị, mgbe iru mmiri dị n'elu 90% RH, mmetụta nke iru mmiri bụ nsogbu a na-apụghị izere ezere. Enwere ike nyochaa ngbanwe nke ngwaahịa eletrọnịkị maka ojiji ma ọ bụ nchekwa n'okpuru ọnọdụ iru mmiri dị elu site na nnwale okpomọkụ na-ekpo ọkụ nke steeti na nnwale nguzogide iru mmiri.

4. Nrụgide ịgba nnu nnu

Mgbakasị ịgbasa nnu na-ezo aka na mgbakasị mgbasa nnu n'elu ihe mgbe ngwaahịa eletrọnịkị na-arụ ọrụ na gburugburu ikuku ikuku nke nwere obere ụmụ irighiri mmiri nwere nnu. Igwe nnu n'ozuzu na-abịa site na gburugburu ihu igwe nke mmiri na gburugburu ihu igwe nke ọdọ nnu dị n'ime ala. Ihe ndị bụ isi ya bụ NaCl na mmiri vapor. Ịdị adị nke Na+ na Cl-ions bụ isi ihe na-akpata corrosion nke ihe ọla. Mgbe nnu nnu na-arapara n'elu ihe mkpuchi ahụ, ọ ga-ebelata nkwụsị elu ya, na mgbe onye na-ekpuchi ya na-amịkọrọ ngwọta nnu, nkwụsị olu ya ga-ebelata site na 4 iwu nke ịdị ukwuu; mgbe nnu nnu na-arapara n'elu akụkụ ndị na-arụ ọrụ na-ebugharị, ọ ga-abawanye n'ihi ọgbọ nke corrosives. Ọ bụrụ na ọnụọgụ esemokwu na-abawanye, akụkụ ndị na-akpụ akpụ nwere ike ịrapagidesi ike; ọ bụ ezie na a nakweere nkà na ụzụ mkpuchi ikuku na mkpuchi ikuku iji zere corrosion nke chips semiconductor, ntụtụ mpụga nke ngwaọrụ eletrọnịkị ga-atụfukarị ọrụ ha n'ihi corrosion nnu; Corrosion na PCB nwere ike ime ka wiwi dị n'akụkụ dị mkpụmkpụ. Nrụgide nnu nnu nke ngwaahịa eletrọnịkị na-ebu na-abịa site na nnu nnu na ikuku. N'ebe ndị dị n'ụsọ oké osimiri, ụgbọ mmiri, na ụgbọ mmiri, ikuku nwere ọtụtụ nnu, nke na-enwe mmetụta dị ukwuu na nkwakọ ngwaahịa eletrik. Enwere ike iji ule ịgba nnu mee ngwa ngwa nhịahụ nke ngwugwu eletrọnịkị iji nyochaa ngbanwe nke nguzogide nnu nnu.

5. Electromagnetic nchegbu

Nchegbu eletrọnịkị na-ezo aka na nrụgide elektrọnik nke ngwaahịa eletrọnịkị na-ebu n'ime oghere eletrọnịkị na-agbanwegharị oghere magnetik. Igwe ọkụ eletrik na-agụnye akụkụ abụọ: mpaghara eletrik na oghere magnetik, na njirimara ya na-anọchi anya ike eletrik E (ma ọ bụ ngbanwe eletriki D) na njupụta magnetik B (ma ọ bụ ike ndọta H) n'otu n'otu. N'ime oghere electromagnetic, oghere eletrik na oghere magnet nwere njikọ chiri anya. Igwe ọkụ eletrik na-agbanwe oge ga-eme ka oghere magnetik, na oge ndọta na-agbanwe agbanwe ga-eme ka ọkụ eletrik. Mkparịta ụka nke ọkụ eletrik na oghere ndọta na-eme ka mmegharị nke oghere electromagnetic na-etolite ebili mmiri electromagnetic. Ebili mmiri eletrik nwere ike ịgbasa n'onwe ya na oghere ma ọ bụ ihe. Ebe eletriki na magnetik na-emegharị n'otu oge ma na-adabere na ibe ha. Ha na-agagharị n'ụdị ebili mmiri na mbara igwe. Igwe ọkụ eletrik na-akpụ akpụ, oghere ndọta, na ntụzịaka mgbasa na-adị n'otu n'otu. Ọsọ mgbasa nke ebili mmiri electromagnetic na oghere bụ ọsọ nke ọkụ (3 × 10 ^ 8m / s). N'ozuzu, ebili mmiri electromagnetic nke nnyonye anya electromagnetic na-emetụta bụ ebili mmiri redio na microwaves. Ka ọ̀tụ̀tụ̀ ebili mmiri electromagnetic na-adị elu, otú ahụ ka ikike radieshon eletrik na-abawanye. Maka ngwaahịa akụrụngwa elektrọnik, nnyonye anya electromagnetic (EMI) nke oghere elektrọnịkị bụ isi ihe na-emetụta ndakọrịta elektrọnik (EMC) nke akụrụngwa. Isi iyi ndabichi eletrọnịkị a na-abịa site na nnyonye anya dị n'etiti ihe dị n'ime akụrụngwa eletrọnịkị yana ndabichi nke ngwa eletrọnịkị mpụga. O nwere ike inwe mmetụta siri ike na arụmọrụ na ọrụ nke akụrụngwa eletrọnịkị. Ọmụmaatụ, ọ bụrụ na esịtidem magnetik components nke a DC/DC ike modul na-akpata electromagnetic nnyonye anya na ngwaọrụ eletrọnịkị, ọ ga-emetụta ozugbo mmepụta ripple voltaji parameters; Mmetụta nke radieshon redio na ngwaahịa eletrọnịkị ga-abanye na sekit dị n'ime ozugbo site na shei ngwaahịa, ma ọ bụ gbanwee n'ime mmekpa ahụ wee banye ngwaahịa ahụ. Enwere ike nyochaa ikike mgbochi mgbochi elektrọnik nke akụrụngwa eletrọnịkị site na nnwale ndakọrịta elektrọn na oghere elektrọnik dị nso na nyocha nyocha.


Oge nzipu: Sep-11-2023