Mhando dzemapressure transmitters

Kuzvizivisa kwakapfava kwepressure transmitter

Sekudzvanywa sensor iyo inoburitsa chiratidzo chakajairwa, chinodzvanya chinodhindisa chiridzwa chinogamuchira kudzvanywa kunoshanduka uye kuchishandura kuita chiyero chinobuda muchiyero.Inogona kushandura maparamendi ekumanikidza egasi, mvura, nezvimwewo zvinonzwikwa nerekodha cell sensor kuita masaini emagetsi akajairwa (akadai se4-20mADC, nezvimwewo) kuti ipe zvechipiri zviridzwa sekuratidza maalarm, marekodha, regulators, nezvimwe. kuyerwa uye chiratidzo Uye maitiro ekugadzirisa.

The classification of pressure transmitters

Kazhinji madhiraivha atinotaura nezvawo akakamurwa zvinoenderana nemusimboti:
Capacitive pressure transmitters, resistive pressure transmitters, inductive pressure transmitters, semiconductor pressure transmitters, uye piezoelectric pressure transmitters yekuyera-frequency kuyerwa.Pakati pavo, resistive pressure transmitters ndiyo inonyanya kushandiswa.Iyo capacitive pressure transmitter inotora Rosemount's 3051S transmitter semumiriri wezvigadzirwa zvepamusoro-soro.

Pressure transmitters inogona kupatsanurwa kuita simbi, ceramic, diffused silicon, monocrystalline silicon, safire, sputtered firimu, zvichingodaro zvinoenderana nekumanikidza kusinganzwisisike zvikamu.

• Metal pressure transmitter ine huronyo husina kunaka, asi ine tembiricha shoma, uye inokodzera nzvimbo dzine tembiricha yakakura uye yakaderera kunyatsoita zvinodiwa.
• Ceramic pressure sensors ine zvirinani kurongeka, asi zvakanyanya kukanganiswa nekupisa.Ceramics zvakare ine mukana wekukanganisa kupikisa uye kusagadzikana kwekuora, iyo inogona kushandiswa mumunda wekupindura.
• Iyo yekumanikidza kutapurirana kwechokwadi kwesilicon yakapararira yakakwira zvakanyanya, uye tembiricha yekudonha zvakare yakakura, saka muripo wetembiricha unodiwa usati washandiswa.Uyezve, kunyange mushure mekubhadhara kwekushisa, kudzvinyirira pamusoro pe125 ° C hakugoni kuyerwa.Nekudaro, patembiricha yekamuri, iyo senitivity coefficient ye-diffused silicon ndeye 5 yakapetwa neiyo ceramics, saka inowanzoshandiswa mumunda wekuyera-chaiyo kuyerwa.
• Single crystal silicon pressure transmitter ndiyo yakanyanya kunyatso sensor mumaindasitiri maitiro.Iyo ishanduro yakakwidziridzwa yesilicon yakapararira.Zvechokwadi, mutengo unokwidziridzwawo.Parizvino, Yokogawa weJapan ndiye mumiririri mumunda we monocrystalline silicon pressure.
• Iyo sapphire pressure transmitter haina hanya nekushanduka kwekushisa, uye ine maitiro akanaka ekushanda kunyangwe pasi pemamiriro ekushisa kwepamusoro;safire ine simba rakanyanyisa rekudzivirira kwemwaranzi;hapana pn drift;inogona kushanda zvakajairwa pasi pemamiriro ekushanda akaipisisa uye inovimbika Kuita kwepamusoro, kurongeka kwakanaka, kukanganisa kushoma kwetembiricha, uye kuita kwemutengo wepamusoro.
• Iyo sputtering yakaonda firimu pressure transmitter haina chero inonamira, uye inoratidza yakakwirira-yakareba kugadzikana uye kuvimbika pane inonamira strain gauge sensor;haina kukanganiswa nekupisa: kana tembiricha yachinja 100 ℃, zero Drift inongova 0.5%.Kubata kwayo tembiricha kwakakwira zvakanyanya kune kupararira silicon pressure sensor;uyezve, inogona kubata zvakananga kune general corrosive media.

Nheyo dzemhando dzakasiyana dzematanho ekumanikidza

• Nheyo ye capacitive pressure transmitter.

Kana dzvinyiriro ichiita zvakananga pamusoro peiyo diaphragm yekuyera, iyo diaphragm inoburitsa diki deformation.Iyo yepamusoro-chaiyo dunhu padiaphragm yekuyeresa inoshandura iyi diki deformation kuita yakanyanya linear voltage inoenzana nedzvinyiriro uye inoenzana neiyo excitation voltage.Chiratidzo, wobva washandisa chip yakatsaurirwa kushandura iyi voltage siginecha kuita indasitiri chiyero 4-20mA yazvino chiratidzo kana 1-5V chiratidzo chemagetsi.

• Iyo musimboti weyakapararira silicon pressure transmitter

Dzvinyiriro yesvikiro yakayerwa inobata zvakananga pa diaphragm ye sensor (kazhinji diaphragm 316L), zvichiita kuti diaphragm ibudise micro displacement inoenderana nekumanikidzwa kwepakati, kuchinja kukosha kwekupikisa kwe sensor, uye kuiona ne Wheatstone circuit Shanduko iyi, uye shandura nekuburitsa mwero wekuyeresa chiratidzo chinoenderana nedzvinyiriro iyi.

• Nheyo ye monocrystalline silicon pressure transmitter

Piezoresistive pressure sensors inogadzirwa uchishandisa piezoresistive mhedzisiro yeimwe crystal silicon.Single crystal silicon wafer inoshandiswa sechinhu elastic.Kana dzvinyiriro ichichinja, iyo imwe crystal silicon inoburitsa kuomarara, kuitira kuti iyo strain resistance yakanyatsopararira pairi inoburitsa shanduko yakaenzana nekuyerwa kudzvanywa, uye ipapo iyo inoenderana voltage inobuda chiratidzo inowanikwa nebhiriji reketi.

• Nheyo yeceramic pressure transmitter

Dzvinyiriro yacho inobata zvakananga pamberi peiyo ceramic diaphragm, zvichikonzera kuderera kudiki kweiyo diaphragm.Iyo gobvu firimu resistor yakadhindwa kuseri kweceramic diaphragm uye yakabatana nebhiriji reWheatstone (zambuko rakavharwa) nekuda kwepiezoresistive mhedzisiro yevaristor, Bhiriji rinogadzira yakanyanya linear voltage siginecha inoenderana nekumanikidza uye zvinoenderana neiyo excitation voltage. .Inowanzo shandiswa kuyerwa kuyerwa kwemhepo compressors, mamwe maceramics anoshandiswa.

• Musimboti we strain gauge pressure transmitter

Anonyanya kushandiswa strain gauge pressure transmitters isimbi inopikisa strain geji uye semiconductor strain geji.Metal resistance strain gauge imhando yemudziyo unonzwisa tsitsi unoshandura shanduko yekunetsa pachidimbu chekuyedza kuita chiratidzo chemagetsi.Kune marudzi maviri ewaya strain gauge uye simbi foil strain geji.Kazhinji iyo strain gauge inosungirirwa zvakasimba kune mechanical strain matrix kuburikidza neadhesive yakakosha.Kana iyo matrix iri pasi pekushungurudzika kwekuchinja, iyo yekupikisa strain gauge inokanganisawo, kuitira kuti kupikisa kukosha kweiyo strain gauge kushanduke, kuitira kuti Iyo voltage inoshandiswa kune inopikisa inoshanduka.Strain gauge pressure transmitters ishoma pamusika.

• Sapphire pressure transmitter

Iyo sapphire pressure transmitter inoshandisa strain resistance kushanda musimboti, inotora yakakwirira-chaiyo silicon-sapphire inonzwa zvinhu, uye inoshandura chiratidzo chekumanikidza kuita chiyero chemagetsi chiratidzo kuburikidza neakazvitsaurira amplifier wedunhu.

• Sputtering film pressure transmitter

Iyo sputtering pressure sensitive element inogadzirwa nemicroelectronics tekinoroji, ichigadzira bhiriji rakasimba uye rakagadzikana reWheatstone pamusoro peiyo elastic stainless simbi diaphragm.Kana dzvinyiriro yesvikiro yakayerwa ichishanda padiaphragm yesimbi isina tsvina, bhiriji reWheatstone kune rimwe divi rinoburitsa chiratidzo chemagetsi chinobuda chinoenderana nekumanikidzwa.Nekuda kwekunaka kwayo kupikisa, mabhaisikopo akapushwa anowanzo kushandiswa muzviitiko zvinogara zvichimanikidza, senge hydraulic michina.

Precautions yekusarudza yepressure transmitter

• Transmitter pressure range value kusarudzwa:

Kutanga sarudza kukosha kwepamusoro kwekuyerwa kwakayerwa muhurongwa.Kazhinji kutaura, unofanirwa kusarudza transmitter ine pressure range inosvika 1.5 times hombe pane iyo yakanyanya kukosha, kana kurega iyo yakajairika pressure range ichiwira pane pressure transmitter.1/3 ~ 2/3 yemhando yakajairwa zvakare inzira yakajairika.

• Imhando ipi yepressure medium:

Viscous zvinwiwa uye madhaka zvichavharira madhiri madoko.Ko zvinonyungudutsa kana zvinoparadza zvinhu zvinoparadza zvinhu zviri mutransmitter zvinosangana zvakananga nenhau idzi.
Izvo zvinhu zveiyo general pressure transmitter inobata yepakati ndeye 316 simbi isina tsvina.Kana iyo yepakati isiri kuora kusvika ku316 simbi isina tsvina, saka zvese zvinotapurirana zvakakodzerwa kuyera kudzvanywa kwepakati;
Kana iyo yepakati ichiora kusvika ku316 simbi isina tsvina, kemikari chisimbiso chinofanira kushandiswa, uye kuyerwa kwasina kunanga kunofanirwa kushandiswa.Kana iyo capillary chubhu yakazadzwa nesilicone oiri ikashandiswa kutungamira kudzvanywa, inogona kudzivirira iyo yekumanikidza transmitter kubva mukuora uye kurebesa hupenyu hweiyo pressure transmitter.

• Yakawanda sei yechokwadi iyo transmitter inoda:

Kurongeka kwacho kunotarwa ne: non-linearity, hysteresis, non-repeatability, tembiricha, zero offset scale, uye tembiricha.Iyo yakakwirira yekururama, iyo yakakwirira mutengo.Kazhinji, iko kurongeka kweiyo diffused silicon pressure transmitter ndeye 0.5 kana 0.25, uye iyo capacitive kana monocrystalline silicon pressure transmitter ine huchokwadi hwe0.1 kana kunyange 0.075.

• Maitiro ekubatanidza transmitter:

Kazhinji, madhiraivha anoiswa pamapombi kana matangi.Zvechokwadi, chikamu chiduku chazvo chakaiswa uye chinoshandiswa nemamita ekuyerera.Panowanzove nemhando nhatu dzekuisa dzemakudzvanyirira: shinda, flange, uye clamp.Naizvozvo, usati wasarudza iyo yekumanikidza transmitter, iyo nzira yekubatanidza inofanirwa kutariswa.Kana yakarukwa, zvinodikanwa kuti uone kutsanangurwa kweshinda.Kune flanges, zvinodikanwa kufunga nezve flange zvirevo zvezita redhayamita.

Sumo yeindasitiri yepressure transmitter

Nyika dzinenge makumi mana pasirese dziri kuita tsvagiridzo nekugadzirwa kwemasensa, ayo United States, Japan, neGermany ndiwo matunhu ane hukuru hwekuburitsa sensor.Nyika nhatu idzi pamwe chete dzinotora chikamu chinodarika makumi mashanu muzana chemusika wepasi rose we sensor.

Mazuvano, musika wekudzvanya musika munyika yangu musika wakakura une musika wakanyanya.Zvakadaro, chinzvimbo chikuru inyika dzekunze dzinomiririrwa naEmerson, Yokogawa, Siemens, etc. Brand-zita rezvigadzirwa zvinokwana 70% yemugove wemusika uye zvine mukana wakakwana mumapurojekiti makuru uye epakati nepakati.

Izvi zvinokonzerwa nekutevera kwekutanga kutorwa kwenyika yangu kwe "musika wehunyanzvi" zano, iro rakarova zvakanyanya makambani ehurumende yenyika yangu uye aimbove mukutadza, asi panguva imwe chete, vamwe vagadziri, vakamiririra. nemabhizinesi eChina akazvimirira, Chinyararire Kuonekwa uye kukura kusimba.Musika weChina wemangwana wekudzvanya transmitter wakazara nezvitsva zvisingazivikanwe.