Mun ci kowane gwajin da za a iya ɗauka{0} gishiri, girgiza zafi, da gwajin nutsewa a cikin tanki da muka gina a cikin dakin gwaje-gwaje. Ta hanyar gwada aikin hana ruwa na ƙirar cajin IP67 pogo fil, ban ƙara ɗaukar hatimin cajin fil ɗin bazara na IP67 ƙaramin daki-daki ba, amma batun ƙira. Tun daga nan, Na isar da samfura da yawa ta amfani da cajin IP67 pogo fil, kuma lissafin hatimin shine ɓangaren da na fi ciyar da mafi yawan lokaci akan kowane samfur.
Abin da Gwajin IP67 Bai Fada Maka ba
IEC 60529 ta ayyana IP67 a matsayin zurfin mita ɗaya na mintuna talatin - game da mashaya 0.1 na matsin lamba. Cika wannan gwajin kuma zaku iya sanya alamar akan akwatin.
Abin da gwajin ba ya kwaikwaya shi ne samfurin yana zaune a cikin jakar motsa jiki na tsawon shekaru uku, yana samun jika sau biyu a rana, yana gudana daga wuraren shakatawa na 0 na safe zuwa digiri 40 na bazara. The elastomer shekaru. Gaskat yana ɗaukar saitin matsawa na dindindin. Gidan yana rarrafe kaɗan a ƙarƙashin nauyin ɗaurewa mai ɗorewa. Babu ɗayan waɗannan da ke nunawa a gwajin takaddun shaida.
Fassarawar filin da na gani a cikin samfuran cajin pogo na IP67 ba kurakuran ƙira ba ne da gwajin ya gaza kamawa - yanayin ƙasƙanci ne waɗanda gwajin ba a tsara su don ganowa ba. Don haka lokacin da na yi tunanin buga IP67, ba na tunanin cin jarrabawa ba. Ina tunanin yadda hatimin ke buƙatar kamanni bayan zagayowar caji 1,000 da sauyin yanayi na shekaru uku.
Me yasa Pogo Pin Cajin Hatimin Ya bambanta da USB{0}}C
USB{0}C mai hana ruwa ya dogara da hatimi mai ƙarfi - gaskat wanda ke matsawa akan saka filogi kuma yana rage lokacin cirewa, sau dubbai fiye da rayuwar samfurin. Gasket ɗin dole ne ya kasance mai laushi wanda zai dace da ma'aunin filogi akan kowane sakawa da juriya sosai don dawo da siffar sa akan kowane cirewa. Samun wannan ma'auni daidai, yayin da kuma adana gasket a cikin ma'ajin a ƙarƙashin maimaita hawan keke, matsala ce ta injiniya ta gaske. Shi ya sa mafi yawan na'urorin IP{5}}USB-C sun haɗa da kyau{7} gargadin bugu game da caji yayin da ake jika: hatimin yana da kyau lokacin da yake aiki, amma tsarin da ke sa shi aiki kuma shine tsarin da a ƙarshe ya ƙaskantar da shi.
Cajin fil ɗin Pogo yana amfani da hatimi a tsaye. An rufe gidaje a masana'anta. Alamar lamba suna kan saman waje, babu abin da ke shiga cikin gidaje yayin caji, kuma hatimin baya buɗewa. Kalubalen injiniyan yana canzawa gaba ɗaya - ba kuna sarrafa ma'amala mai ƙarfi ba, kuna sarrafa hatimin da zai tsira daga damuwa na taro, hawan keken zafi, da lodin injina akan gidan kansa a tsawon rayuwar sabis.
Wannan shine dalilin da ya sa IP67pogo fil cajihanyoyin sadarwa sun fi kyau a cikin filin fiye da daidaitattun matattun tashoshin USB{0}C, duk sauran daidai suke. Hatimin ba shi da hanyar da ke zagayawa tare da kowane caji. Amma yana da yanayin gazawa musamman ga madaidaicin hatimi, kuma sun sha bamban da abin da kuke tsammanin fitowa daga kebul na USB{3}C mai hana ruwa ruwa.
Gasket Material da Channel Geometry
Silicone shine daidaitaccen abu, Shore A 40-60. Ƙarshen ƙarshen wannan kewayon daidai ne don ƙananan ɓangarorin gicciye{2}} inda kuke buƙatar kayan don dacewa da ƙananan kurakuran ƙasa a cikin PCB; Ƙarshen mafi girma ya dace da babban giciye - sassan da kuke buƙatar gasket don zama a cikin tashar yayin taro ba tare da an raba ku ba.
Batun zurfin tashar da na kwatanta a sama shine mafi yawan kuskuren da nake gani, don haka zan sake shiga ta tare da lambobin. Maƙasudin 70-75% na tsayin gasket mara nauyi. Idan gasket ɗin yana da 1.2mm a cikin giciye{5}}, zurfin tashar ya kamata ya zama 0.84-0.90mm. Wannan ratar - 0.30-0.36mm na ƙarar kyauta - yana ba da damar silicone ya gudana ta gefe a ƙarƙashin matsawa, wanda shine abin da ke haifar da matsa lamba iri ɗaya a kusa da cikakken kewaye. A daidai zurfin tashar 1.2mm, kayan ba zai iya gudana ba, dutsen gasket, kuma kuna samun gazawar kusurwar da na bayyana.
Saitin matsawa shine dogon lokaci{0} damuwa tare da silicone. Tsawon lokaci da hawan keke na zafi, gaskat ɗin silicone da aka matsa baya dawowa gabaɗaya zuwa tsayinsa na asali. Idan matsawar farko shine kashi 25% kuma kayan suna ɗaukar saiti na dindindin na 10% na tsayinsa na asali sama da shekaru uku, yanzu kuna kan matsawa 15% - wanda ke ƙasa
ya dogara kofa. Wannan shine dalilin da ya sa na girman matsawa na farko a saman ƙarshen kewayon (25-30%) don samfuran da ake tsammanin za su wuce shekaru biyu.
EPDM yana zuwa akan samfuran da ke da faɗuwar sinadarai. Na fayyace shi a kan abin hannu na asibiti wanda aka goge tare da maganin ammonium quaternary sau da yawa a rana - saman silicone yana raguwa da sauri fiye da EPDM a wannan mahallin. Amma akan wannan samfurin, saitin matsawa ya tara da sauri fiye da ƙirar silicone daidai, kuma mun ƙare har zuwa sake sake fasalin zurfin ƙayyadaddun tashoshi bayan watanni 18 na haɓakar bayanan tsufa ya shigo. Idan kuna la'akari da EPDM, sami bayanan tsufa na musamman ga jami'an tsaftacewa kafin yin aikin lissafin hatimi.
PCB Pad Layout
Ba za'a iya yin sulhu ba don aikace-aikacen cajin pogo na IP67 akan ma'aunin zinare a kan madaidaicin lamba. Zinariya mai laushi yana ƙasƙantar da hankali sosai a wuraren fallasa gishiri; Ramin saman da kuka samu cikin gumi ko hazo gishiri yana rage amincin lamba kafin ku ga duk wani lalacewa na inji. Mafi ƙarancin 0.5μm cobalt{5}} gwal mai taurin akan nickel maras amfani da 2-5μm. Nickel yana da mahimmanci saboda yana ba da shingen lalata idan layin zinare ya ƙare ta hanyar - ba tare da shi ba, kuna dogaro da zinare kaɗai a cikin cikakken rayuwar sabis.
Yankin kiyayewa a kusa da tsarar kushin yana buƙatar zama lebur, laminate PCB maras fa'ida don aƙalla 0.5mm a cikin bangon ciki na tashar gasket. Kujerun gasket ɗin yana fuskantar wannan saman, kuma duk wani nau'in topology a cikin wannan yanki- matakin gano matakin, ta ganga, gefen soldermask - yana haifar da yuwuwar ɗigogi. Wannan yana haifar da mafi girman juzu'i a cikin sake dubawa na shimfidar PCB saboda yana cin abinci a cikin yankin da ke kewaye da tsararrun kushin, amma babu kyakkyawan tsari.
Ta hanyar sanyawa a cikin sawun gasket shine inda na gano gazawar IP67 guda biyu a cikin ƙirar samarwa. Dukansu sun yi tanti ta vis a cikin kewayen gasket wanda ya wuce DRC ba tare da sharhi ba. Ba a rufe tanti ta hanyar ba a rufe - ɗigon ganga yana haifar da wata hanya mai kaifi wacce ke karkatar da ruwa ta cikin allo ƙarƙashin ci gaba da nutsewa. A rashin nasarar farko, ba mu gano hanyar gazawar ba har sai da muka yi gwajin shigar rini a karo na biyu{5}} tare da rini da aka shafa a saman waje. Rini ya bayyana a gefen ciki a wuraren ta hanyar cikin mintuna huɗu. A kan gazawar ta biyu, na farko ya gargaɗe mu kuma mun kama shi yayin nazarin shimfidar wuri. Amma ya ɗauki samun takamaiman ƙa'ida - "babu vias a cikin sawun gasket, lokaci, ko da an kafa" - don sanya shi manne a kan shimfidu daban-daban da injiniyoyi daban-daban.
Cika - da{1}} akan kowane IPC-4761 Nau'in VII shine ƙayyadaddun idan ƙuntatawa ta hanya ba ta barin ku zaɓi sai ku sanya ta hanyar zuwa yankin. Tant bai isa ba.
Pogo Cable vs. Cajin Dock
Matsalar rufewa a gefen na'urar iri ɗaya ce ta kowace hanya. Abin da ya bambanta shine caja.
Dokin caji yana rayuwa akan tebur ko tsayawar dare. Yana da tsauri, a tsaye, kuma an gyara geometry mai haɗawa. Idan ƙarfin tuntuɓar bazara da daidaitawar kushin suna aiki, wajibcin IP67 gaba ɗaya yana kan na'urar. Dock ɗin kanta ba kasafai yana buƙatar ƙimar IP ba.
Kebul na pogo yana ɗaukar shugabannin fil ɗin bazara akan ƙarshen kebul mai sassauƙa, wanda ke haifar da matsala ta injiniya ta asali. Kebul -zuwa{2}mai haɗawa{3}}wajen haɗin kai dole ne ya rufe kan shigar ruwa yayin da yake tsira da maimaita lankwasawa. Wannan shine rashin nasara a kusan kowane taron na USB mai hana ruwa ruwa Na yi bitar - ba mai haɗin kai da kansa ba, ba jaket ɗin kebul ba, amma canji a tsakanin su.
Polyurethane overmold shine kayan da ya dace don juriyar gajiya a wancan canjin. overmold yana buƙatar ƙara aƙalla 30mm daga jikin mai haɗawa don rarraba damuwa mai lanƙwasawa sama da isasshen tsayi don hana haɗin gwiwa daga buɗewa ƙarƙashin keken motsi. Na ga taron pogo na USB da aka gina zuwa 15mm overmold wanda ya wuce gwajin IP na farko kuma ya fara yoyo a cikin kewayon cycles 600–800 flex cycles . 30mm shine inda yanayin gazawar ke tafiya a cikin ƙirar da na inganta.
Idan kebul ɗin pogo ɗin ku yana buƙatar ɗaukar nasa ƙimar IP67 - na'urar bin ruwa, kayan aiki na waje - ƙididdige gwajin IP tare da hatimin haɗin haɗin kamar yadda za a yi amfani da shi, ba tare da iyakoki na ƙarshe ba. Ƙarshen iyakoki suna riƙe kan mai haɗin haɗin kai a lokacin gwajin kuma kar a ɗora jaket ɗin{4} zuwa{5}} ƙera kayan aiki kamar yadda ainihin amfani ke yi. Yanayin gazawar da kuke ƙoƙarin kamawa ba zai bayyana ba a ƙarshen gwaji{7}}.
Ƙarfin bazara da taurin Gida
Wannan dangantakar ba ta zuwa a yawancin jagororin ƙira saboda yana da ɗan kai tsaye kai tsaye, amma na ga yana ba da gudummawa ga gazawar IP67.
Tsare-tsaren caji na 4- pin pogo fil a 150gf akan kowane fil yana sanya 600gf na nauyi mai matsawa akan fuskar mahalli a yankin pad duk lokacin da na'urar ta tashi. A cikin kauri - gidaje masu katanga - allura - polycarbonate da aka ƙera a 2mm ko fiye - wannan ba batun bane. Gidan ba ya karkata da ma'auni a ƙarƙashin wannan nauyin.
A cikin siraran gidaje masu sawa masu katanga inda bangon pad zai iya zama 0.8-1.0mm kauri, 600gf yana haifar da jujjuyawar da cewa matsawar gasket ta bambanta kewaye da kewaye.
ko - mafi girma a gefen mafi kusa da tashar tashar jirgin ruwa, ƙasa a gefe. Wannan baya nunawa a gwajin nutsewa a tsaye saboda ba'a haɗa tashar jirgin ruwa. Yana nunawa a cikin haɗaɗɗun docking{3}} sake zagayowar{4}} ƙari{5}gwajin nutsewa, shine dalilin da yasa na gudanar da wannan jerin kafin ƙaddamar da takaddun shaida.
Ƙarfafan hakarkari ko saitin ƙarfe a bayan yankin kushin, wanda ke niyya ƙasa da jujjuyawar 0.05mm ƙarƙashin matsakaicin nauyin bazara, shine daidaitattun gyare-gyare. Wanne ya dace ya dogara da lissafin mahalli da ko taswirar samfurin zai iya ɗaukar saƙar ƙarfe a cikin kayan aiki.
Tabbatarwa Kafin Takaddama
Jerin da nake amfani da shi a cikin gwaji na ciki kafin nutsewar IEC 60529 na yau da kullun:
Zagaye na thermal uku, -20 digiri zuwa digiri 60, kafin kowane nutsewa. Wannan ita ce gwajin da ke kama al'amurran da suka shafi gasket da wuri - silicone tare da murmurewa saitin matsawa mara kyau zai bayyana a nan saboda aikin hatimin yana raguwa tsakanin jiƙan sanyi da ɗakin{4}} nutsar da yanayin zafi da ke biyo baya. Kayayyakin da suka fadi wannan gwajin da sun nuna a ƙarshe a dawo da filin; kama shi a cikin samfura yana biyan komai don gyarawa.
Sai abubuwan docking 1,000, sannan nutsewa. Gwajin sake zagayowar docking yana ɗaukar fuskar mahalli tare da ƙarfin tuntuɓar bazara akai-akai kuma yana bincika ko hatimin gasket ɗin ya ƙasƙanta ƙarƙashin wannan tarin tarin. Ga mafi yawan kayan sawa na mabukaci, hawan keke 1,000 kusan shekaru biyu zuwa uku na cajin yau da kullun.
A ƙarshe, an haɗa nutsewa tare da tashar caji. Yawancin ƙungiyoyi suna gwada cirewa kuma suna kiranta anyi, amma ga samfuran da masu amfani zasu iya nutsar da na'urar yayin da take zaune akan tashar caji ko haɗawa da kebul na pogo - na'urorin wasanni na waje shine al'amarin gama gari - gwaji da aka haɗa shine hanya ɗaya tilo ta kama lodin{3}} tasirin rarrabawar da na bayyana a sashin ƙarfin bazara.
Waɗannan ukun suna gudana a cikin wannan tsari saboda kowannensu yana samun yanayin gazawa sauran ba su yi ba, kuma gudanar da hawan zafi na ƙarshe yana nufin gudanar da gwaji na yau da kullun akan hatimin da ya riga ya jaddada. Gwajin IEC 60529 na yau da kullun yana tafiya akan na'urar da ba ta da zafi{2} don dalilai na ba da takaddun shaida, amma ina so in san sakamakon hawan keke kafin gabatarwa.
FAQ
Shin ƙimar IP67 tana rufe fakitin pogo da kansu, ko kawai hatimin gidaje?
Ƙimar ta ƙunshi cikakken na'urar. Pads ɗin suna saman saman waje kuma suna fallasa ga ruwa mai nutsewa, amma ba sa haifar da buɗewa a cikin gida - babu rami, babu tashar jiragen ruwa, babu abin da ruwa zai shiga. Don haka saman pad ya jike kuma hakan yana da kyau, idan dai hatimin gasket a bayansa ya riƙe.
Sakamakon aiki mai amfani: ƙayyadaddun kayan aikin gwal ɗinku yana shafar dorewar kushin a cikin yanayin jika, amma baya tantance ko na'urar ta wuce IP67. Wannan gaba ɗaya aiki ne na geometry hatimin gasket.
Menene mafi ƙarancin farar fil wanda har yanzu yana ba da damar ma'auni na hatimi?
Ƙuntataccen ɗaure shine yankin kiyayewa - 0.5mm mafi ƙarancin laminate mai lebur tsakanin gefen kushin waje da bangon tashar gasket na ciki. A kan tsararrun farar 1.0mm 4-pin, ana iya sarrafawa. A filin 0.5mm tare da fil masu yawa, sawun tsararrun sawun yana girma har sai ya fara rikici tare da ƙaƙƙarfan kaurin bangon gidaje.
Mafi matsananciyar farar da na yi nasarar gudu a cikin samarwa IP67 pogo caji ƙirar ƙira shine 0.8mm akan tsararru mai 6-pin. A ƙasan haka ina so in sake duba ko ƙidayar fil ɗin ta zama dole kafin ƙoƙarin yin aikin hatimin lissafi a kusa da shi.
Ta yaya zan rubuta ƙayyadaddun ƙayyadaddun bayanai don taron kebul na pogo mai hana ruwa?
Ƙayyade ƙimar IP don haɗin kebul daban da ƙimar na'urar. Ƙayyade: polyurethane overmold (ba nailan), ƙaramar 30mm overmold tsawo daga jikin mai haɗawa, kayan jaket na USB da kauri ga bango don zurfin abin da ake bukata, da kuma jan - ƙayyadaddun ƙayyadaddun ƙarfi don kebul {{3} zuwa -mai haɗin kai{5}} haɗin kai.
Ƙayyadaddun gwaji yana da mahimmanci kamar ƙayyadaddun kayan aiki. Ana buƙatar gwajin IEC 60529 tare da hatimin mai haɗin kamar yadda zai kasance cikin amfani da gaske, ba tare da iyakoki na ƙarshe ba. Kuma kuna buƙatar gwajin zagayowar sassauƙa a mahaɗin shigarwa - ƙaramar zagayowar 500 a radius da aka yi niyya kafin gwajin IP, don haka ba kuna jigilar taron da ya wuce takaddun shaida kuma ya fara yoyo a filin bayan ƴan makonni na amfani.
Shin yin amfani da tsarin caji na magnetic pogo yana sa IP67 ya fi wahala a cimma?
A inji, babu {0} magnet ɗin da ke cikin gidan kuma baya shafar hatimin. A zahiri akwai ƙaramin fa'ida: daidaitawar maganadisu yana rage bambance-bambance a cikin karfin lamba na fil, wanda ke rage bambance-bambancen nauyin matsawa akan fuskar gidaje, wanda ke nufin ƙarin matsi na gasket. Wannan shine sakamako na biyu{3} oda amma na gaske.
Inda maganadisu ke buƙatar kulawa da gangan shine sanya firikwensin. Magnet ɗin zobe don daidaita caji yana haifar da filin da ke faɗaɗa cikin na'urar, kuma idan shimfidar wuri tana da kamfas, Hall{1}}maɓallin tasiri, ko eriyar NFC, filin na iya tsoma baki. Matsayin tsararrun kushin da kuma geometry na maganadisu suna buƙatar tantancewa a cikin mataki ɗaya da wurin sanya firikwensin, ba daban ba. A kiyaye tsakanin magnet center da as
Babban firikwensin firikwensin shine yawanci 8-12mm, ya danganta da darajar maganadisu da madaidaicin firikwensin.
Na bugi IP67 akan gwajin benci amma na kasa samun takaddun shaida. Me yiwuwa na rasa?
Sau tara cikin goma a cikin gwaninta na: ta hanyar sanyawa, zurfin tashar gasket, ko jerin gwaji.
Bincika shimfidar wuri don kowane vias a cikin sawun gasket. Yi gwajin shigar rini - a waje, na'urar ta nutse a takaice, nemi rini a ciki kusa da wurin kushin. Idan rini ya bayyana ta wurare, wannan shine hanyar gazawar ku.
Idan shimfidar wuri mai tsabta, duba zurfin tashar. Auna shi da zurfin micrometer, ba daga ƙirar CAD - juriyar jurewar masana'anta akan ƙaramin zurfin tashoshi yana jan hankali fiye da yadda kuke tsammani. Idan zurfin tashar yana cikin kashi 5% na tsayin gasket ɗin da ba a matsawa ba, mai yiwuwa gasket ɗin ba ya zama ƙarƙashin cikakken matsawa.
Idan duka waɗannan sun yi daidai, duba ko gwajin cikin ku ya haɗa da hawan keke na zafi kafin nutsewa. Dakin{1}} Gwajin zafi na benci na iya wuce hatimin da ya gaza bayan balaguron zafi, kuma dakin gwaje-gwaje na takaddun shaida yawanci yana gudanar da jerin abubuwan haɗin gwiwa.
Tambayoyi Game da Takamaiman Zanen ku?
Idan kana aiki ta hanyar matsala ta IP67 pogo fil cajin musaya - hatimin lissafi, shimfidar pad, ƙayyadaddun kebul na pogo, ko jerin gwaji - kuma kuna son bitar fasaha, tuntuɓe mu a [{0}}]. Mun goyi bayan wannan matsalar ƙira a duk aikace-aikacen sawa, likitanci, da masana'antu, kuma idan mun ga yanayin gazawar ku a baya, za mu gaya muku abin da ya gyara shi.
Aika shimfidar pad ɗin ku da giciyen mahalli - zuwa [{0}}] kuma za mu amsa da takamaiman abubuwan lura, ba kiran tallace-tallace ba.
Idan kuna buƙatar samfurin kayan aikin na USB na pogo ko saitunan tashar cajin pogo don gina nau'in IP67, nemi anan: xt@xtpogopin.com
Idan kun ci karo da matsalar cajin IP67 pogo fil wanda jagorar ba ta rufe - ko kuma idan wani abu a nan ya saba wa kwarewarku - Ina so in ji shi. Bar sharhi ko imel kai tsaye.
