Imagwiritsidwa ntchito pazigawo zofukula za CAT Pressure Sensor 276-6793

1. Pressure sensor mu masekeli dongosolo

Pakuwongolera koyezera, sensor yokakamiza imafunika kuti imve bwino chizindikiro cha mphamvu yokoka. Ndipo imakhala ndi kuyankha kwamphamvu komanso kuchita bwino kotsutsana ndi kusokoneza. Chizindikiro choperekedwa ndi chowongolera chokakamiza chikhoza kuwonetsedwa mwachindunji, kujambulidwa, kusindikizidwa, kusungidwa kapena kugwiritsidwa ntchito poyang'anira malingaliro a dongosolo lodziwira. Kuphatikizika kwa sensor pressure ndi dera loyezera kumachepetsa kwambiri kukula kwa zida. Kuphatikiza apo, kukula kwaukadaulo wotchingira kumathandiziranso kuthekera kotsutsana ndi kusokoneza komanso kuwongolera kodziwikiratu kwa sensa yolemetsa.

2. Makanema opanikizika mumakampani a petrochemical

Pressure sensor ndi imodzi mwazida zoyezera zomwe zimagwiritsidwa ntchito kwambiri pakuwongolera makina a petrochemical. M'mapulojekiti akuluakulu a mankhwala, pafupifupi ntchito zonse zogwiritsira ntchito mphamvu zamagetsi zimaphimbidwa: kupanikizika kosiyana, kuthamanga kwathunthu, kuthamanga kwa gauge, kuthamanga kwakukulu, kuthamanga kwapadera, kutentha kwakukulu, kutentha kochepa, ma sensor akutali a flange a zipangizo zosiyanasiyana ndi kukonza kwapadera.

Kufunika kwa masensa akukakamiza m'makampani a petrochemical makamaka kumayang'ana mbali zitatu: kudalirika, kukhazikika komanso kulondola kwambiri. Pakati pawo, kudalirika ndi zofunika zina zambiri, monga chiŵerengero cha mtunda ndi mtundu wa basi, zimadalira mapangidwe apangidwe, mlingo wa teknoloji yokonza ndi zipangizo zamapangidwe a transmitter. Kukhazikika komanso kulondola kwamphamvu kwa ma transmitter kumatsimikiziridwa makamaka ndi kukhazikika komanso kuyeza kulondola kwa sensor yamphamvu.

Kulondola kwa kuyeza ndi liwiro la kuyankha kwa sensa yamphamvu kumayenderana ndi kuyeza kulondola kwa chopatsira chopondera. Makhalidwe a kutentha ndi ma static pressure komanso kukhazikika kwa nthawi yayitali kwa sensor pressure kumayenderana ndi kukhazikika kwa transmitter. Kufunika kwa masensa akukakamiza mumakampani a petrochemical kumawonetsedwa m'magawo anayi: kulondola kwa muyeso, kuyankha mwachangu, mawonekedwe a kutentha ndi mawonekedwe a static pressure, komanso kukhazikika kwanthawi yayitali.

3. Pressure sensor mu chithandizo chamadzi

Makampani opanga madzi oteteza zachilengedwe atukuka kwambiri m'zaka zaposachedwa ndipo ali ndi chiyembekezo chachikulu. M'madzi ndi madzi otayira, ma sensor amphamvu amapereka chiwongolero chachikulu ndi kuyang'anira chitetezo cha dongosolo ndi chitsimikizo cha khalidwe. Katswiri wamagetsi amasintha kuthamanga (nthawi zambiri kuthamanga kwamadzi kapena gasi) kukhala chizindikiro chamagetsi kuti chituluke. Mphamvu zamagetsi zamagetsi zitha kugwiritsidwanso ntchito kuyeza kuchuluka kwamadzimadzi amadzimadzi osasunthika, kuti athe kuyeza kuchuluka kwamadzimadzi. Chomverera cha sensor sensor makamaka chimapangidwa ndi silicon cup sensing element, mafuta a silicone, isolation diaphragm ndi air duct. Kupanikizika kwa sing'anga yoyezera kumatumizidwa ku mbali ya chinthu cha silicon cup kudzera pa diaphragm yodzipatula ndi mafuta a silicone. Kupanikizika kwamlengalenga kumachita mbali ina ya kapu ya silicon kudzera munjira ya mpweya. Chikho cha silicon ndi kapu yopangidwa ndi monocrystalline silicon wafer yokhala ndi pansi woonda. Pansi pa kukakamizidwa, diaphragm yomwe ili pansi pa kapu imakhala yopunduka ndikusuntha pang'ono. Silicon ya monocrystalline ndi elastomer yabwino. The mapindikidwe mosamalitsa molingana ndi kukakamizidwa, ndi kuchira ntchito yabwino.

4. Makanema okakamiza m'makampani azachipatala

Ndi chitukuko cha msika wa zida zachipatala, zofunikira zapamwamba zimayikidwa patsogolo kuti zigwiritse ntchito zowunikira zamagetsi m'makampani azachipatala, monga kulondola, kudalirika, kukhazikika ndi kuchuluka. Pressure sensor ili ndi ntchito yabwino pakuchepetsa kwa catheter komanso kuyeza kwa sensor ya kutentha.

5.MEMS kuthamanga sensa

MEMS pressure sensor ndi mtundu wa filimu yopyapyala, yomwe imapunduka ikakakamizidwa. Mageji a strain (piezoresistive sensing) angagwiritsidwe ntchito kuyeza kusinthika uku, ndipo capacitive sensing ingagwiritsidwe ntchito kuyeza kusintha kwa mtunda pakati pa malo awiri.