Takulandilani patsamba lathu.

Udindo wa sensa ya NTC pakuwongolera matenthedwe a magalimoto atsopano

BMS mu EV

NTC thermistors ndi masensa ena kutentha (mwachitsanzo, thermocouples, RTDs, masensa digito, etc.) amagwira ntchito yofunika kwambiri pa kayendetsedwe ka kayendedwe ka magetsi a galimoto yamagetsi, ndipo amagwiritsidwa ntchito makamaka poyang'anira nthawi yeniyeni ndi kuyang'anira kutentha kuti zitsimikizire kuti galimotoyo ikugwira ntchito bwino komanso yotetezeka. Zotsatirazi ndi zochitika zawo zazikulu ndi maudindo awo.

1. Kutentha kwa Mabatire a Mphamvu

  • Ntchito Scenario: Kuwunika kwa kutentha ndi kusanja mkati mwa mapaketi a batri.
  • Ntchito:
    • Ma Thermitors a NTC: Chifukwa cha mtengo wake wotsika komanso kukula kwake kophatikizana, ma NTC nthawi zambiri amayikidwa pazigawo zingapo zovuta m'ma module a batri (mwachitsanzo, pakati pa ma cell, pafupi ndi njira zoziziritsira) kuti aziyang'anira kutentha komwe kuli m'derali munthawi yeniyeni, kuletsa kutenthedwa kwa kuchulukitsitsa / kutulutsa kapena kuwonongeka kwa magwiridwe antchito pamatenthedwe otsika.
    • Zomverera Zina: Ma RTD olondola kwambiri kapena masensa a digito (mwachitsanzo, DS18B20) amagwiritsidwa ntchito muzochitika zina kuyang'anira kugawa kwa kutentha kwa batri, kuthandiza BMS (Battery Management System) kukhathamiritsa njira zolipirira / zotulutsa.
    • Chitetezo cha Chitetezo: Imayambitsa makina ozizirira (kuzizira kwamadzi/mpweya) kapena kumachepetsa mphamvu yochapira pakatentha kosadziwika bwino (monga zolozera kuthawa kwa kutentha) kuti muchepetse ngozi.

2. Kuzirala kwa Motor ndi Mphamvu Zamagetsi

  • Ntchito Scenario: Kuwunika kwa kutentha kwa ma windings amagalimoto, ma inverters, ndi zosinthira DC-DC.
  • Ntchito:
    • Ma Thermitors a NTC: Ophatikizidwa mu ma motor stator kapena ma module amagetsi amagetsi kuti ayankhe mwachangu kusintha kwa kutentha, kupewa kutayika kwachangu kapena kulephera kwa insulation chifukwa cha kutentha kwambiri.
    • Zomverera za Kutentha Kwambiri: Madera otentha kwambiri (mwachitsanzo, pafupi ndi zida zamagetsi za silicon carbide) angagwiritse ntchito ma thermocouples olimba (mwachitsanzo, Type K) kuti akhale odalirika pansi pazovuta kwambiri.
    • Dynamic Control: Imasintha kuzizira koziziritsa kapena kuthamanga kwa fani potengera momwe kutentha kumayendera kuti kuzizirira bwino komanso kugwiritsa ntchito mphamvu.

3. Kulipira System Thermal Management

  • Ntchito Scenario: Kuyang'anira kutentha pakuyitanitsa mabatire mwachangu ndi malo opangira ma charger.
  • Ntchito:
    • Kulipira Port Monitoring: Ma thermistors a NTC amazindikira kutentha pakumangirira pulagi kuti asatenthedwe chifukwa cha kukana kukhudzana kwambiri.
    • Kugwirizana kwa Kutentha kwa Battery: Masiteshoni ochapira amalumikizana ndi BMS yagalimoto kuti asinthe ma charger apano (mwachitsanzo, kutentha kusanayambe kuzizira kapena kucheperako panthawi yotentha kwambiri).

4. Kutentha Pump HVAC ndi Cabin Climate Control

  • Ntchito Scenario: Kuzungulira kwa firiji / kutentha mu makina opopera kutentha ndi malamulo a kutentha kwa kanyumba.
  • Ntchito:
    • Ma Thermitors a NTC: Yang'anirani kutentha kwa ma evaporator, ma condenser, ndi malo ozungulira kuti muwongolere kuchuluka kwa magwiridwe antchito a mpope (COP).
    • Pressure-Temperature Hybrid Sensor: Makina ena amaphatikizira masensa okakamiza kuti aziwongolera mosadukiza kutuluka kwa refrigerant ndi mphamvu ya kompresa.
    • Occupant Comfort: Imayatsa kuwongolera kutentha kwa magawo osiyanasiyana kudzera pamawunivesite angapo, kuchepetsa kugwiritsa ntchito mphamvu.

5. Zina Zovuta Kwambiri

  • Charger Pa board (OBC): Imayang'anira kutentha kwa zida zamagetsi kuti mupewe kuwonongeka kwakukulu.
  • Reducers ndi Transmissions: Imayang'anira kutentha kwamafuta kuti muwonetsetse kuti ikuyenda bwino.
  • Mafuta a Ma cell Systems(mwachitsanzo, m'magalimoto a haidrojeni): Imawongolera kutentha kwa ma cell kuti mupewe kuyanika kapena kuyanika.

NTC vs. Zomverera Zina: Ubwino ndi Zochepa

Mtundu wa Sensor Ubwino wake Zolepheretsa Ntchito Zofananira
Ma Thermitors a NTC Mtengo wotsika, kuyankha mwachangu, kukula kophatikizana Nonlinear linanena bungwe, amafuna calibration, yochepa kutentha osiyanasiyana Ma module a batri, ma motor windings, ma doko opangira
RTDs (Platinum) Kulondola kwambiri, mzere, kukhazikika kwanthawi yayitali Mtengo wokwera, kuyankha pang'onopang'ono Kuwunika kolondola kwa batri
Thermocouples Kulekerera kutentha kwambiri (mpaka 1000 ° C +), kapangidwe kosavuta Pamafunika chipukuta misozi yozizira, chizindikiro chofooka Zone zotentha kwambiri mumagetsi amagetsi
Masensa a digito Direct digito linanena bungwe, phokoso chitetezo chokwanira Mtengo wapamwamba, bandwidth yochepa Kuwunika kogawidwa (mwachitsanzo, kanyumba)

Future Trends

  • Smart Integration: Masensa ophatikizidwa ndi BMS ndi olamulira madomeni kuti azitha kuwongolera kutentha.
  • Multi-Parameter Fusion: Zimaphatikiza data ya kutentha, kuthamanga, ndi chinyezi kuti muwonjezere mphamvu zamagetsi.
  • Zida Zapamwamba: Thin-film NTCs, zomverera za fiber-optic zolimbikitsira kukana kutentha kwambiri komanso chitetezo cha EMI.

Chidule

Ma thermistors a NTC amagwiritsidwa ntchito kwambiri mu EV matenthedwe oyang'anira kutentha kwamitundu yambiri chifukwa cha kutsika mtengo komanso kuyankha mwachangu. Masensa ena amawathandizira muzochitika zolondola kwambiri kapena zachilengedwe. Kugwirizana kwawo kumatsimikizira chitetezo cha batri, kuyendetsa bwino kwa magalimoto, chitonthozo cha kanyumba, komanso nthawi yayitali ya moyo, ndikupanga maziko ofunikira a ntchito yodalirika ya EV.


Nthawi yotumiza: Mar-06-2025