Uyini Umsebenzi Womvikeli Wokukhuphuka?

Ngisakhumbula usuku ukushaya kombani okukodwa okwabiza iklayenti lami isigamu sesigidi samadola. I-flash eyodwa, futhi yonke i-rack yakhe ye-PLC yaphenduka insimbi eqoshiwe ebizayo.

Isivikelo sokukhuphuka sijika noma simunce ama-voltage spikes ayingozi ngaphambi kokuba afike emishinini ebucayi, ukuze imishini yakho, idatha, kanye nenzuzo yakho kuhlale kuphephile. Ngiyibonile le divayisi elula igcina yonke imigqa yokukhiqiza eShayina, eJalimane nase-UK.

Uma uthenga amadivayisi okuvikela isekethe Ukuze uziphilise, usuvele uyazi ukuthi intengo ibalulekile. Qhubeka ufunda futhi ngizokukhombisa ukuthi ungazinciphisa kanjani izindleko zobunikazi ngaphandle kokunciphisa isivikelo.

Ukuqonda i-Sisikhuthazo Ukuvikelwa Ezindaweni Zezimboni Nezentengiselwano?

Ngihambe ngemoto esebenza amahora angama-24 eWenzhou ngenyanga edlule. Umphathi ungitshele ukuthi ihora ngalinye lokungasebenzi libiza ama-USD angu-38,000. Ukwanda okukodwa kungadala leso sikhathi sokungasebenzi ngamasekhondi ama-3 amancane.

Ukuvikelwa kokuqhuma kwezimboni kuvimbela ama-over-voltage esikhashana adalwe umbani, ukushintsha kwegridi, kanye nama-Variable Frequency Drives ukuthi angafinyeleli kuma-PLC, amaseva, kanye namarobhothi. Ngiklama lezi zinhlelo zemizila yezimoto yaseJalimane kanye nezikhungo zedatha zaseBrithani njalo ngeviki.

Ungase ucabange ukuthi ukukhuphuka kwentaba kumane nje kuyinhlansi ekhanyayo. Iqiniso liyingozi kakhulu, futhi kushibhile ukulimisa kunokulilungisa.

Lapho kuvela khona ukukhuphuka

Umbani ungumthombo onomsindo kakhulu, kodwa awuvamile kakhulu. Ngilinganisa ama-spikes amaningi ngaphakathi kunasesibhakabhakeni. Ukucima kwenjini engu-100 hp kungabuyisa i-1,800 V ebhasini elifanayo eliphakela inzwa yakho. Ukuqhuma kuthatha ama-microsecond angu-50 kuphela, kodwa kuyisikhathi eside ngokwanele ukubhoboza i-gate oxide ye-MOSFET. Ngikubonile lokhu esitshalweni sokupakisha saseVietnam. Singeze isivikelo sohlobo lwe-2 esingu-40 kA kuphaneli encane, futhi izinga lokuhluleka lehla lisuka kumabhodi amathathu ngenyanga laya ku-zero ezinyangeni ezingu-14.

Ingakanani ingozi?

Ngicele ithimba lami ukuthi likhiphe idatha evela ezimbonini ezingu-200 esizisebenzelayo. Sithole ukuthi indawo engenazo izivikelo zokunyuka ibona ukuvalwa okungahleliwe okungu-7.4 ngonyaka. Ukuvalwa ngakunye kuthatha amahora angu-4.2. Uma isilinganiso sakho singama-50 k USD ngosuku, lokho kuyi-1.5 million USD yokuchayeka njalo ngonyaka. Isivikelo sefektri yonke sibiza ngaphansi kuka-0.3% waleyo nombolo. Isikhathi sokukhokha siyizinsuku ezingu-11, hhayi izinyanga ezingu-11.

Izindinganiso okumele uzihlangabezane nazo

Ngithumela eYurophu, ngakho-ke yonke i-protector engiyithengisayo iphawulwe nge-CE kanye ne-TÜV. Sihlola ku-IEC 61643-11. Uma ungenisa eJalimane, udinga ne-VDE 0675. Ngigcina lawo mafayela ngesiNgisi nangesiJalimane, alungele ifolda yakho yesitifiketi. Ungawadlulisela kumakhasimende akho ngosuku olufanayo othola ngalo izimpahla.

Imisebenzi Eyinhloko Yomvikeli Wokukhuphuka?

Ikota edlule ngisize inkampani yaseFrance ethengisa ama-automation. Bathumela umugqa omusha eCanada, futhi ukuhlolwa kokuqala kokuhlinzwa kwehlulekile. Sifake i-plug-in module yethu, futhi uhlelo lwadlula ngakusasa ekuseni.

Isivikelo sokukhuphuka sizwa i-voltage eyeqile, siyibambe ifike ezingeni eliphephile, bese sizisetha kabusha ukuze ukukhiqizwa kuqhubeke ngaphandle kokungenelela ngesandla.Ngihlola yonke iyunithi kujeneretha yethu yamanje engu-8/20 µs ngaphambi kokuba isuke echwebeni lethu laseWenzhou.

Ungakholelwa ukuthi amadivayisi okushushuluza ayibhokisi lensimbi elilula. Ngaphakathi, izingxenye ezintathu ezincane zinquma ukuthi umugqa wakho uyahamba noma uyasha.

Umdanso onezigaba ezintathu

Ngihlala ngichaza umsebenzi ngezinyathelo ezintathu. Isinyathelo 1: i-gas arrester ishaya okokuqala. Ishaya ngamandla angu-600 V bese idala i-short. Isinyathelo 2: i-metal-oxide varistor (MOV) imunca amandla amaningi. Isinyathelo 3: i-TVS diode inqamula ama-V angu-30 okugcina ukuze i-24 V PLC yakho ingalokothi ibone ama-V angaphezu kuka-37. Ngikubeke lokhu ebhentshini lethu lelebhu. Umcimbi wonke uphela ngama-nanosecond angu-9, ngokushesha kunokuba i-HMI yakho ingakhanya.

Isixhumi sokushisa

Ama-MOV ayaguga. Uma i-MOV yehluleka, ingafinyeza bese ibamba umlilo. Ngifaka i-fuse yokushisa ehlanganisiwe emzimbeni we-MOV. Ku-142 °C i-fuse iyavuleka bese idonsa i-MOV ingaxhunyiwe ku-inthanethi. Nginezithombe zokuhlola ze-UL 1449 4th edition ezingabonisi amalangabi ngemva kwemizuzu engama-30. Umshwalense wakho womlilo uzolithanda lelo fayela.

Oxhumana naye okude

Izitshalo ezinkulu zifuna ukwazi ukuthi isivikelo sifile ngaphambi kokuqhuma okulandelayo. Ngifaka ukuxhumana okungenazinkinga. Ungakuxhumanisa ne-SCADA yakho. Uma isivikelo sehluleka, i-PLC yakho ithola isignali engu-24 V bese uhlela ukushintshana ngesikhathi sokuma okulandelayo okuhleliwe. Akukho ukubiza phakathi kwamabili, akukho mthwalo ophuthumayo.

Kungani Ukuvikelwa Kokukhuphuka Kubalulekile Emabhizinisini?

Ngalahlekelwa iklayenti lase-UK ngo-2019. Weqa izivikelo ukuze onge u-2,300 USD. Isiphepho sahlasela, saqeda ama-drive angu-18, kanti umshwalense wakhe wenqaba isimangalo. Wavala isitshalo ezinyangeni ezimbili kamuva.

Ukuvikelwa kokunyuka kwentengo kugcina imali engenayo igeleza, iziqinisekiso zisebenza, kanye nedumela lomkhiqizo liqinile.Nginezincwadi ezivela kubaqondisi bezezimali abasibiza ngamaqhawe, hhayi abaphakeli.

Ungalandelela intengo ngeyunithi ngayinye. I-CFO yakho ilandelela i-EBITDA. Ukwanda okukodwa kungasusa ukonga kweminyaka eyishumi.

Izindleko ezifihliwe ozikhohlwayo

Uma idrayivu ihluleka, ukhokhela ingxenye, uchwepheshe, i-crane, kanye ne-batch elahlekile. Ngikufaka lokhu ekhasini elilula lesilinganiso ngasinye. Idrayivu engu-75 kW ibiza u-4,800 USD. I-crane ibiza u-600 USD. Ukulahlekelwa yi-batch kungu-12,000 USD. Isiyonke singama-17,400 USD. Isivikelo sami sibiza u-89 USD. Izibalo azinanhlonipho, kodwa ziqotho.

Imithetho yewaranti

Nginikeza iwaranti yeminyaka emi-5 kumvikeli ngamunye, kodwa kuphela uma ulandela i-IEC 60364-5-53 bese uyifaka kuphaneli efanele. Uma weqa isivikelo, iwaranti yakho ye-OEM kudrayivu ingaba yize. Ngibone i-Siemens yenqaba isimangalo sama-25 k USD ngoba isayithi lalingenayo i-SPD. Ikhasimende lisigxekile, kodwa iphutha kwakuyisinqumo salo.

Iphrimiyamu yomshuwalense

Ngisebenza nomshwalense waseJalimane onikeza isaphulelo esingu-5% kwiphrimiyamu uma isitshalo sine-SPDs eqinisekisiwe kuzo zonke izigaba. Kunqubomgomo ye-400 k USD egcina ama-20 k USD minyaka yonke. Abavikeli bazikhokhela bona emavikini ayi-6, bese benza inzuzo emsulwa eminyakeni eyi-19 ezayo.

Ukukhetha Isixazululo Esifanele Sokuvikela Ukwanda?

Umthengi waseMilan ungithumelele i-imeyili izolo ebusuku. Wayenezilinganiso ezintathu, ngayinye inesilinganiso samanje esihlukile. Wabuza, “Yisiphi esanele?” Ngamthumelela impendulo yomugqa owodwa: “Qondanisa ingozi, hhayi intengo.”

Khetha isivikelo esifanelana nezinga lakho lokuchayeka, amandla okusebenza, futhi esinezitifiketi ezifanele imakethe yakho.Ngisebenzisa lokhu kubala kuspredishithi nsuku zonke kubathengi emazweni ayi-11.

Ungase uzizwe ulahlekile phakathi kwamalebula ohlobo 1, uhlobo 2, kanye nohlobo 3. Nginciphisa umsindo futhi ngikunike imibuzo emithathu.

Umbuzo 1: Uphi umbani?

Ngivula i-Google Maps bese ngihlola ubuningi bombani. Uma isitshalo sakho sihlala endaweni ekhanyisa ama-flash angu-4/km²/ngonyaka, udinga i-Type 1 emnyango wesevisi. Uma ungaphansi kwama-flash angu-0.5, i-Type 2 yanele. Ngigcina imephu yomhlaba enale datha. Ngiyithumela mahhala ngesilinganiso ngasinye.

Umbuzo 2: Uyini ugesi wakho we-short-circuit?

Ngilifundile ipuleti lakho le-transformer. I-transformer engu-1,600 kVA inikeza amandla kagesi angama-35 kA. Isivikelo sami kumele sisinde kulokho. Ngikhetha iyunithi enesilinganiso se-SCC esingu-50 kA. Uma uthenga idivayisi engu-15 kA ukuze wonge ama-USD angu-12, izoqhuma ngesikhathi sephutha lokuqala. Nginezithombe, futhi zimbi.

Umbuzo 3: Ingabe udinga i-plugable?

Abanye abathengi bafuna isikhathi sokungasebenzi. Nginikeza i-cartridge exhunywe. Uma i-module yehluleka, uyayishintsha ngemizuzwana engu-9. Akukho screwdriver, akukho ntambo entsha. Isitshalo siyaqhubeka nokusebenza. I-module eyisipele ibiza ama-USD angu-28. Ukushintshana okukodwa konga okungaphezu kwalokho ngesikhathi sokungasebenzi.

Amathrendi Esikhathi Esizayo Ebuchwephesheni Bokuvikela Ukwanda?

Ngema esiteji saseHannover Messe ngo-Ephreli odlule ngakhombisa isivikelo esinekhodi ye-QR. Izilaleli zahleka, kwaze kwaba yilapho ngisiskena futhi idatha ebukhoma yavela esikrinini.

Izivikeli zokukhuphuka kwamanje zizokhuluma nefu lakho, zibikezele ukwehluleka, bese zi-oda ezazo esikhundleni ngaphambi kokuthi wazi ukuthi ziyagula.Sengivele ngakha lezi zinto eWenzhou, futhi sizihlola nge-beta ngesikhungo sedatha saseBerlin.

Ungase ucabange ukuthi i-hardware ye-surge isivuthiwe. Ngibona izinguquko ezintathu ezizoshintsha uhlu lwakho lokuthenga ezinyangeni ezingu-24 ezizayo.

Ama-MOV e-Graphene

Sishintsha i-zinc-oxide nge-graphene. I-MOV entsha iphatha amandla engeziwe angu-5× futhi ihlala ipholile. Ngisebenzise i-40 kA hit kabili kudivayisi efanayo. Ukwenyuka kwezinga lokushisa bekungama-42°C kuphela. I-MOV ejwayelekile ifinyelela ku-120°C futhi yehluleka. Iyunithi ye-graphene ibiza ama-2.3× namuhla, kodwa intengo yehla ngo-18% njalo ngekota. Ngibikezela ukulingana ngo-2026.

Imodeli yempilo yonke eqhutshwa yi-AI

Ngifaka i-MCU encane ebala yonke into eshayayo, iqophe ugesi, bese isebenzisa isihlungi se-Kalman. I-chip ibikezela ukuphela kokuphila zingakapheli izinsuku ezingu-±5. Uthola i-imeyili ethi, “Imojula ku-Panel 3B izohluleka ezinsukwini ezingu-12. Ingxenye eyisipele isivele isendaweni yakho yokugcina izinto.” Akukho ukuhlolwa kwabantu, akumangazi.

Izinhlelo ze-DC ezingama-V angu-48

Izitshalo eziningi zithuthela ebhasini elingu-48 V DC lelanga namabhethri. Ngiklama izivikeli ezibamba ku-65 V futhi ziphathe i-100 A eqhubekayo. Iyunithi efanayo isebenza emibhoshongweni yezokuxhumana kanye namashaja e-forklift. I-SKU eyodwa ihlanganisa izimakethe ezimbili, ngakho-ke unciphisa izindleko zesitoko ngo-30%.

Isiphetho

Ngithumele izivikeli ezingaphezu kuka-480,000 emazweni angu-34. Yonke ibishibhile kunesikhathi sokungasebenzi esikuvimbelayo. Ngithumelele umdwebo wakho wephaneli, futhi ngizokubuyisela uhlelo lwekhasi elilodwa olunciphisa ingozi yakho kanye ne-TCO yakho kusukela ngesonto elizayo.