Negative tembiricha coefficient (NTC) thermistors anoshandiswa seyakanyanya kurongeka tembiricha sensor zvikamu mumhando dzakasiyana dzemotokari, maindasitiri, midziyo yemumba uye zvekurapa. Nekuti dzakasiyana siyana dzeNTC thermistors dziripo - dzakagadzirwa nemadhizaini akasiyana uye dzakagadzirwa kubva kune dzakasiyana siyana - kusarudza akanakisa.NTC thermistorskune imwe application inogona kuve yakaoma.
SeisarudzaNTC?
Kune matatu makuru tembiricha tekinoroji tekinoroji, imwe neimwe iine hunhu hwayo: kuramba tembiricha detector (RTD) sensors uye maviri marudzi e thermistors, yakanaka uye yakaipa tembiricha coefficient thermistors. Masensa eRTD anonyanya kushandiswa kuyera huwandu hwetembiricha, uye nekuti anoshandisa simbi yakachena, anowanzo kudhura kupfuura thermistors.
Naizvozvo, nekuti ma thermistors anoyera tembiricha nenzira imwechete kana zvirinani, anowanzo kufarirwa pane RTDS. Sezvinoreva zita, kuramba kweiyo yakanaka tembiricha coefficient (PTC) thermistor inowedzera nekushisa. Iwo anowanzo shandiswa se tembiricha yekumisa sensors mu switch-off kana kuchengetedza maseketi nekuti kuramba kunokwira kana tembiricha yekuchinja yasvika. Kune rumwe rutivi, sezvo tembiricha inowedzera, kushorwa kweiyo negative tembiricha coefficient (NTC) thermistor inoderera. Kuramba tembiricha (RT) hukama ibwe rakati sandara, saka rakanyatsojeka uye rakagadzikana pakuyera tembiricha.
Makiyi ekusarudza maitiro
NTC thermistors inonzwisisa zvakanyanya uye inokwanisa kuyera tembiricha nehupamhi hwepamusoro (± 0.1°C), zvichiita kuti dzive dzakakodzera kune dzakasiyana siyana dzekushandisa. Zvisinei, kusarudzwa kwemhando ipi yekutsanangura kunoenderana nehuwandu hwemaitiro - tembiricha yemhando, renji yekupikisa, kuyerwa kwechiyero, nharaunda, nguva yekupindura, uye saizi zvinodiwa.
Epoxy coated NTC zvinhu zvakasimba uye zvinowanzoyera tembiricha dziri pakati -55°C uye + 155°C, ukuwo magirazi akavharirwa NTC zvinhu zvinosvika + 300°C. Kune maapplication anoda nguva dzekupindura nekukurumidza, magirazi akavharirwa zvikamu isarudzo yakakodzera. Iwo zvakare akawanda compact, ane madhayamita madiki se 0.8mm.
Zvakakosha kuenzanisa tembiricha yeNTC thermistor kune tembiricha yechikamu chinokonzera kushanduka kwekushisa. Nekuda kweizvozvo, iwo haangowanikwe chete mune yechinyakare fomu ane ma lead, asi anogona zvakare kuisirwa mune screw mhando yedzimba kuti ibatanidze kune radiator yekumisikidza pamusoro.
Nyowani kumusika zvachose inotungamira-isina (chip uye chikamu) NTC thermistors inosangana nezvinodiwa zvakanyanya zveiyo iri kuuya RoSH2 rairo.
ApplicationExampleOongororo
NTC sensor zvikamu uye masisitimu anoitwa munzvimbo dzakasiyana siyana, kunyanya muchikamu chemotokari. Zvishandiso zvakajairika zvinosanganisira mavhiri anodziya uye zvigaro, uye masisitimu emamiriro ekunze akaomarara. Thermistors anoshandiswa mu exhaust gas recirculation (EGR) system, intake manifold (AIM) sensors, uye tembiricha uye manifold absolute pressure (TMAP) sensors. Yavo yakafara yekushanda tembiricha renji ine yakakwira mhedzisiro yekupikisa uye simba rekuzunguza, kuvimbika kwakanyanya, uye hupenyu hurefu nekugadzikana kwenguva refu. Kana ma thermistors achizoshandiswa mumotokari kunyorera, saka iyo yekushushikana yekupokana AEC-Q200 yepasi rose mwero pano inosungirwa.
Mumotokari dzemagetsi uye dzakasanganiswa, NTC sensors dzinoshandiswa kuchengetedza bhatiri, kutarisa magetsi kupuruzira mhepo uye mamiriro ekuchaja. Refrigerant cooling system inotonhodza bhatiri yakabatana neair conditioning system.
Tembiricha inonzwa uye kutonga mumidziyo yemumba inovhara huwandu hwakawanda hwetembiricha. Semuenzaniso, mune yekuomesa mbatya, atembiricha sensorinotarisa tembiricha yemhepo inopisa inoyerera ichipinda mudhiramu uye tembiricha yemhepo inoyerera ichibuda painobuda mudhiramu. Nekutonhodza uye nechando, theNTC sensorinoyera tembiricha mukamuri yekutonhodza, inodzivirira evaporator kubva kuchando, uye inoona tembiricha yepakati. Mumidziyo midiki yakadai sesimbi, vagadziri vekofi uye kettles, tembiricha sensors inoshandiswa kuchengetedza uye kushanda nesimba. Heating, ventilation uye air conditioning (HVAC) zvikamu zvinotora chikamu chikuru chemusika.
Iyo Inokura Munda Wezvokurapa
Nharaunda yemagetsi ekurapa ine michina yakasiyana-siyana yevarwere, vekunze uye kunyange kutarisira kumba. NTC thermistors inoshandiswa sezvikamu zvekunzwa tembiricha mumidziyo yekurapa.
Kana diki nharembozha yekurapa iri kubhadhariswa, tembiricha yekushandisa yebhatiri rechargeable inofanirwa kugara ichitariswa. Izvi zvinodaro nekuti maitiro emagetsi anoshandiswa panguva yekutarisa anonyanya kutsamira tembiricha, saka nekukurumidza, kuongorora kwakaringana kwakakosha.
Kuenderera mberi Glucose Monitoring (GCM) zvigamba zvinogona kutarisa mazinga eshuga yeropa muvarwere vane chirwere cheshuga. Pano, iyo NTC sensor inoshandiswa kuyera tembiricha, sezvo izvi zvichigona kukanganisa mhedzisiro.
Continuous Positive airway pressure (CPAP) kurapwa kunoshandisa muchina kubatsira vanhu vane dambudziko rekushaya hope kufema zviri nyore pakurara. Saizvozvo, kune zvakakomba zvirwere zvekufema, seCCIDID-19, ma mechanical ventilators anotora kufema kwemurwere nekudzvanya zvinyoro nyoro mweya mumapapu avo nekubvisa kabhoni dhaikisaidhi. Muzviitiko zvese izvi, girazi-yakavharirwa NTC sensors inosanganiswa mune humidifier, airway catheter uye inopinza muromo kuyera tembiricha yemhepo kuti vaone kuti varwere vanoramba vakasununguka.
Denda richangoburwa rakatungamira kudiwa kwekunzwa kukuru uye kurongeka kweNTC sensors nekugadzikana kwenguva refu. Iyo itsva hutachiona tester ine yakasimba tembiricha yekudzora zvinodiwa kuti ive nechokwadi chinowirirana kuita pakati pemuenzaniso uye reagent. Iyo smartwatch inosanganiswawo netembiricha yekutarisa system kunyevera nezvechirwere chinogona kuitika.
Nguva yekutumira: May-25-2023