CA202 piezoelectric accelerometer babban firikwensin firgita masana'antu ne daga layin samfurin vibro-mita na Meggitt, wanda aka ƙera don sa ido kan rawar jiki na dogon lokaci a cikin matsanancin yanayin masana'antu da yuwuwar fashe yanayi. Wannan gabatarwar samfurin yana mai da hankali kan samfurin 144-202-000-116, wanda shine sigar da aka ba da tabbacin fashewa (Ex) tare da kebul na haɗin mita 6, wanda ya dace da ma'aunin girgiza a wurare masu haɗari (Zones 0, 1, 2).
Wannan firikwensin yana fasalta nau'in ma'auni mai shear polycrystalline tare da rufin shari'a na ciki, yana ba da ƙaƙƙarfan ƙira mai ma'ana tare da ingantaccen yanayin zafin jiki, babban hankali, da kewayon amsa mitoci mai faɗi. Kebul ɗin sa na haɗin kai an lullube shi a cikin bututun kariya na bakin karfe mai sassauƙa kuma an haɗa shi da hermetically zuwa yanayin firikwensin, yana ƙirƙirar taro mai rufewa wanda ba shi da ƙura, mai hana ruwa, mai juriya, da juriya, yana tabbatar da ingantaccen aiki na dogon lokaci a cikin yanayi mai tsanani kamar babban zafin jiki, babban zafi, ƙura, da fesa gishiri.
A matsayin 'ƙarshen gaba' na tsarin sa ido na girgiza, CA202 yawanci ana haɗa shi tare da amplifiers cajin vibro-meter® (misali, jerin IPC70x), raka'o'in rabuwar galvanic (GSI XXX), da tsarin sa ido na gaba (misali, MMS ko tsarin VM 600) don samar da cikakkiyar sarkar ma'aunin girgiza. Ana amfani dashi ko'ina don lura da yanayi da gargaɗin kuskure a farkon nau'ikan injin juyawa daban-daban.
2. Key Features da Fa'idodi
Babban Amintaccen Tsara: Yana da cikakkiyar welded austenitic bakin karfe da bututun kariya na bakin karfe mai zafi, yana samar da taro mai hatimi wanda ke kare zafi, ruwa, tururi, mai, feshin gishiri, kura, naman gwari, da yashi.
Dacewar Muhalli Na Musamman: Na'urar firikwensin yana aiki akan kewayon zafin jiki mai faɗi na -55°C zuwa +260°C, tare da kebul ɗin da ke iya jure ci gaba da yanayin zafi daga -55°C zuwa +200°C, yana sa ya dace da yanayin sanyi da zafi.
Kyawawan Ayyukan Wutar Lantarki da Injiniyanci:
Babban Hankali: 100 pC/g, yana ba da damar gano ingantaccen siginar girgiza.
Amsa Mita Faɗi: 0.5 Hz zuwa 6000 Hz (± 5%), yana rufe abubuwan mitar girgiza yawancin injinan masana'antu.
Babban juriya na Insulation: ≥10^9 Ω, yana tabbatar da watsa sigina mai tsabta da rage tsangwama.
Ƙananan Matsakaicin Matsala: ≤3%, haɓaka daidaiton ma'aunin jagora.
Cikakken Takaddun Takaddun Takaddun Fashe: Model 144-202-000-116 yana riƙe da takaddun shaida mai tabbatar da fashe (Ex ia). Ya dace da buƙatun yankuna da ƙa'idodi da yawa waɗanda suka haɗa da Turai (ATEX), International (IECEx), Arewacin Amurka (cCSAus), Koriya (KGS), United Kingdom (UKEX), da Rasha (EA3C RU), suna ba da izinin amfani da aminci a wuraren da aka keɓe masu haɗari.
Sauƙaƙan Shigarwa da Kulawa: Yana ba da daidaitattun ramukan hawa don amintaccen shigarwa ta amfani da sukurori na M6 da aka kawo da masu wankin kulle bazara. Ana ba da samfur ɗin tare da gyare-gyaren masana'anta, yawanci yana kawar da buƙatar sake daidaitawa a kan wurin.
3. Ƙa'idar Aunawa da Bayanan Fasaha
CA202 na'urar accelerometer ne na piezoelectric. Jigon sa shine firikwensin girgizar ƙasa bisa tasirin piezoelectric. Tsarin ciki ya ƙunshi ɗaya ko fiye ma'adini ko abubuwan crystal yumbu da kuma yawan girgizar ƙasa. Lokacin da firikwensin ya yi rawar jiki tare da abin da aka auna, yawan girgizar ƙasa yana amfani da danniya na lokaci-lokaci (a cikin yanayin shear ko matsawa) zuwa lu'ulu'u na piezoelectric.
Dangane da tasirin piezoelectric, wannan damuwa na inji yana haifar da siginar caji akan farfajiyar crystal daidai da haɓakar da aka yi amfani da ita. Ana watsa wannan siginar caji mai ƙarfi ta hanyar ƙaramin ƙarar ƙararrawa zuwa na'urar ƙara cajin waje (IPC XXX). Amplifier ɗin caji yana jujjuya siginar caji mai rauni zuwa siginar ƙaranci, sigina mai juriyar tsangwama (misali, 4-20 mA).
Ana iya watsa wannan siginar na yanzu ta nisa mai nisa (sama da mita 1000) ta hanyar kebul mai kariya mai sauƙi. A ƙarshe ana aika shi zuwa rukunin rabuwa na galvanic (GSI XXX), wanda ke lalata shi zuwa siginar wutar lantarki daidai da haɓakawar girgiza (ko sauri bayan haɗawa). Ana sarrafa wannan siginar ƙarfin lantarki, nunawa, kuma ana amfani da ita don ƙirƙirar ƙararrawa ta tsarin sa ido na baya (misali, PLC, DCS, ko na'urorin tantance girgiza).
CA202 yana cikin nau'in 'accelerometers tare da na'urorin lantarki daban-daban.' Fa'idodinsa sun haɗa da:
Haƙurin Haƙuri na Zazzabi: Ita kanta firikwensin bai ƙunshi na'urorin lantarki ba kuma yana iya ci gaba da aiki a cikin mahalli har zuwa 260°C.
Babban ingancin sigina: Ana iya sanya amplifier caji kusa da firikwensin amma a cikin mafi kyawun yanayi, rage asarar sigina da tsangwama akan nisan watsawa mai tsayi don siginar cajin ɗanyen.
Sassaucin tsarin: Ana iya daidaita buƙatun ma'auni daban-daban ta hanyar canza amplifiers caji tare da hankali daban-daban ko daidaita saitunan su.
4. Yankunan Aikace-aikace
Tare da ƙarfinsa, kewayon zafin jiki mai faɗi, da fasalulluka masu tabbatar da fashewa, CA202 piezoelectric accelerometer ana amfani dashi ko'ina don lura da girgiza a cikin sassan masana'antu masu zuwa:
5. Shigarwa, Waya, da Kariyar Tsaro
5.1 Bayanan shigarwa kafin shigarwa
Tsaro Na Farko: Karanta kuma ka bi ƙa'idodin aminci masu biye. Don kayan aikin da aka yi amfani da su a cikin yanayi mai yuwuwar fashewar abubuwa, yana da mahimmanci cewa alamomin tabbatar da fashewar akan farantin sunan samfurin sun dace daidai da waɗanda aka siffanta a cikin Takaddun shaida na Nau'in EC ko makamancin takardar shedar.
Cancantar Ma'aikata: Masu sakawa yakamata su mallaki horon fasaha na ƙwararru a cikin kayan lantarki da injiniyan injiniya (takardar ƙwararru/difloma ko makamancin haka) kuma su saba da hanyoyin aminci masu dacewa.
Kariya na Electrostatic Discharge (ESD): Lokacin sarrafa firikwensin da allunan da'ira na na'urorin lantarki (caji amplifiers), dole ne a bi hanyoyin sarrafa na'ura ta Electrostatic Sensitive Device (ESD), kamar saka madaurin wuyan hannu da taɓa wani abu mai tushe don fitar da wutar lantarki a tsaye.
5.2 Maɓalli Maɓallin Shigar Injiniyan
Wurin hawa: Ba da fifikon hawa akan tsayayyen sassa kamar gidaje masu ɗaukar nauyi, kusa da bearings gwargwadon yiwuwa. Guji hawa a kan rumbun inji ko sifofi masu ƙarancin ƙarfi don hana nasu sautin gabatar da kurakuran auna.
Shirye-shiryen Hawan Sama:
Dole ne saman ya zama lebur, mai tsabta, kuma daidai gwargwado ga ma'auni.
Shawarar shimfidar wuri ≤ 0.01 mm, roughness sa N7.
Hana da matsa ramuka bisa ga zane (4 x M6).
Gyaran Sensor:
Yi amfani da abin da aka kawo M6 x 35 socket head screws da maƙalli na bazara.
Ana ba da shawarar yin amfani da manne mai kulle zaren matsakaici mai ƙarfi kamar LOCTITE 241 zuwa screws don hana sassautawa saboda girgiza.
Yin amfani da maƙarƙashiya mai ƙarfi, ƙara matsar da sukurori huɗu a ko'ina a cikin tsarin crisscross. Ƙarshen wutar lantarki kada ta wuce 15 N·m.
Gyaran Kebul:
Yi amfani da shirye-shiryen hawa masu dacewa da bututu masu kusan 8 mm diamita don amintar da kebul ɗin da ƙarfi a tazara na 100-200 mm.
Kar a lanƙwasa kebul fiye da kima. Dole ne a kiyaye mafi ƙarancin radius na lanƙwasawa na ≥ 50 mm, kuma ya kamata a samar da madauki mai sauƙi mai sauƙi a lanƙwasa.
Ka guje wa karkatar da kebul kusa da babban ƙarfin lantarki ko manyan layukan wutar lantarki don hana tsangwama na lantarki.
Daidaita kebul ɗin a cikin tazara na yau da kullun na iya rage ƙaramar ƙarar ƙararrakin da tasirin triboelectric ya haifar.
5.3 Haɗin Wutar Lantarki da Haɗin Tsarin
Dole ne a haɗa CA202 tare da kayan aikin vibro-meter® masu jituwa don samar da cikakkiyar sarkar aunawa:
Amplifier Cajin (IPC XXX): Dutsen a wuri mai ƙaramar girgiza da zafin yanayi mai dacewa (-25°C zuwa +70°C). Daidai haɗa haɗin haɗin CA202 na USB da kebul na watsawa ( jerin K 2XX) zuwa igiyoyin tasha na amplifier bisa ga zanen wayoyi.
Kebul na watsawa (K 2XX): Kebul mai kariya ta tagwaye da ake amfani da shi don haɗa amplifier caji zuwa sashin rabuwa na galvanic. Ana iya bi da shi ta hanyar magudanar ƙarfe mai sassauƙa (misali, KS 106) don ƙarin kariya ta inji.
Sashin Rabuwar Galvanic (GSI XXX): Yawanci ana hawa akan layin dogo na DIN a cikin majalisar ministoci ko dakin sarrafawa. Yana ba da wutar lantarki don madauki mai waya biyu kuma yana karanta siginar yanzu, yana canza shi zuwa siginar wutar lantarki don tsarin kulawa. Lura cewa garkuwar kebul ɗin watsawa bai kamata ta kasance ƙasa a ƙarshen sashin raba galvanic don guje wa madaukai na ƙasa ba.
Ƙaddamarwa: Bibiyar ƙaƙƙarfan buƙatun a cikin Jagorar Shigarwa (misali, Figures 5-11, 6-13) don ƙaddamar da ƙasa mai aya ɗaya. Daidaitaccen ƙasa don tsarin gaba ɗaya yana da mahimmanci don murƙushe amo da daidaiton aunawa.
5.4 Abubuwan Bukatu na Musamman don yuwuwar fashewar yanayi
Shigarwa, aiki, da kulawa dole ne su bi ƙa'idodin Musamman don Amintaccen Amfani da aka ƙayyade a cikin sashin 'Jadawalin' na Takaddun Jarrabawar Nau'in EC ko makamancinsa.
Duk wani gyare-gyare, canji, ko gyara da aka gudanar ba tare da rubutaccen izini na Vibro-Meter/Meggitt ba zai lalata takaddun shaidar fashewa da garantin samfur.
Tabbatar cewa yanayin shigarwa (zazzabi, ƙungiyar gas, da sauransu) ya dace da alamar tabbatar da fashewar samfurin (misali, T6...T2).
6. Kulawa da Tallafin Fasaha
Kulawa na yau da kullun: Bincika lokaci-lokaci na gyaran inji na firikwensin da kebul don tsaro, kuma bincika kowane lalacewa ta jiki ko ɓarna. Bincika ingancin hatimi na akwatunan mahaɗa da gidajen ƙararrawa.
Ba a Buƙatar daidaitawa na yau da kullun: Ana ba da samfurin tare da madaidaicin daidaitawar masana'anta. Gyaran wurin ba ya zama dole sai dai idan ana zargin bayanai bayan firgita mai tsanani ko aiki mara kyau.
Shirya matsala: Idan siginonin auna ba su da kyau, bincika sarkar aunawa cikin tsari: Shin firikwensin yana hawa lafiya? Hanyoyin haɗin kebul suna da ƙarfi kuma daidai? Shin ƙasa ya dace? Shin wutar lantarki ta al'ada ce?
Taimakon Fasaha da Gyara: Don kurakuran da ba a warware ba, tuntuɓi Meggitt SA ko wakilin ku mai izini. Dole ne masu amfani su taɓa harba firikwensin ko kwandishan lantarki da kansu. Duk gyare-gyare dole ne a yi ta ƙwararrun ƙwararrun ma'aikata waɗanda Meggitt ya ba da izini.
