He aha nā ʻokoʻa hana ma waena o nā pahu thermistor NTC me nā electrodes gula a me nā electrodes kālā, a pehea ka ʻokoʻa o kā lākou noi mākeke?
NTC (Negative Temperature Coefficient) thermistor chips me nā electrodes gula a me nā electrodes kālā e hōʻike ana i nā ʻokoʻa koʻikoʻi i ka hana a me nā noi mākeke, ma muli o ke ʻano kino a me nā waiwai kemika o nā mea electrode. Aia ma lalo iho kahi hōʻike hoʻohālikelike kikoʻī:
I. Nā ʻokoʻa hana
1. Conductivity a me ka Hoʻopili Kū'ē
- Nā Electrodes gula:
- ʻO ka conductivity maikaʻi, ʻoiai he haʻahaʻa haʻahaʻa ma mua o ke kālā (resistivity o ke gula: ~2.44 μΩ·cm vs. kālā: ~1.59 μΩ·cm).
- ʻOi aku ka paʻa paʻa paʻa ʻana ma muli o ke kūʻē ʻana o ke gula i ka oxidation, e hōʻoiaʻiʻo ana i ka liʻiliʻi o ka pale ʻana i ka wā.
- Nā Electrodes kālā:
- ʻOi aku ka maikaʻi o ka conductivity, akā maʻalahi i ka hoʻoheheʻe ʻana o ka ʻili (ʻoi loa i ka wela kiʻekiʻe a i ʻole ka humid environment), e alakaʻi ana i ka piʻi ʻana o ka hoʻopili ʻana a me ka hōʻailona hōʻailona.
2. ʻO ka ʻoki ʻana a me ka pale ʻana
- Nā Electrodes gula:
- Paʻa loa i nā kemika; kū'ē i ka oxidation a me ka corrosion (eg, acids, alkalis), kūpono no nā wahi ʻino (kiʻekiʻe haʻahaʻa, nā kinoea corrosive).
- Nā Electrodes kālā:
- Hoʻopili me ka sulfur a me ka oxygen e hana i ke kālā sulfide/oxide, e hoʻohaʻahaʻa i ka hana i ka manawa ke ʻike ʻia i ka ea.
3. Paʻa wela
- Nā Electrodes gula:
- ʻO ke kūpaʻa wela kiʻekiʻe maikaʻi loa (kūʻai ma> 150 ° C), kūpono no nā noi ʻoihana a i ʻole kaʻa (e like me nā keʻena mīkini).
- Nā Electrodes kālā:
- Hoʻonui ka oxidation i nā wela kiʻekiʻe; ka palena maʻamau i ≤100°C me ka ʻole o ka pale pale.
4. Solderability
- Nā Electrodes gula:
- Hoʻohālikelike me nā mea kūʻai maʻamau (e laʻa, ka paʻi tin), e hōʻoia ana i ka hoʻopaʻa ʻana i hilinaʻi no nā kaʻina SMT automated.
- Nā Electrodes kālā:
- Pono ʻia ka solder anti-oxidation a i ʻole ka hoʻoheheʻe ʻana i ka nitrogen-protected solder e pale ai i nā hemahema i hoʻoiho ʻia (e laʻa, nā hui anu).
5. Ke ola a me ka hilinaʻi
- Nā Electrodes gula:
- ʻO ke ola lōʻihi, kūpono no nā noi hilinaʻi kiʻekiʻe (e laʻa, nā mea lapaʻau, aerospace).
- Nā Electrodes kālā:
- ʻOi aku ka pōkole o ke ola akā lawa no nā wahi ʻoluʻolu (e laʻa, nā mea hana hale).
II. Nā ʻokoʻa noi mākeke
1. Na Kipa Electrode Gula
- Mea Kiʻekiʻe Kiʻekiʻe ʻOihana & Kaʻa:
- Nā ʻāpana hoʻokele ʻenekini (ECU), nā ʻōnaehana hoʻokele pākaukau (BMS), nā ʻenehana ʻenehana i nā wahi wela / vibration kiʻekiʻe.
- Lapaʻau Lapaʻau:
- ʻO ka nānā ʻana i ka mahana ma ke kiʻi lāʻau lapaʻau, nā mākaʻi maʻi (koi i ka biocompatibility a me ke kūpaʻa).
- Aerospace & Palekana:
- ʻIke wela i nā kūlana koʻikoʻi (radiation, wikiwiki thermal cycling).
- Nā mea kani pololei:
- ʻO nā mea hana hale hana, nā ʻōnaehana hoʻomalu wela kiʻekiʻe.
2. Nā ʻĀpana Electrode Kālā
- Mea Hoʻohana Electronics:
- ʻO ka pale wela o ka pākaukau ma nā smartphones, laptops (koʻikoʻi koʻikoʻi, nā wahi ʻoluʻolu).
- Nā mea hana hale:
- ʻO ka hoʻomaluʻana i ka mahana ma nā ea, nā pahu hau, nā mea hoʻomehana wai.
- Ke kukui & LED:
- ʻO ka pale ʻana i ka wela ma nā ʻōnaehana kukui koʻikoʻi.
- Lako Hana Hana Haahaa:
- Nā kaiapuni koi ʻole (e laʻa, nā kaʻa liʻiliʻi, nā mea hoʻololi mana).
III. Noʻonoʻo i ke kumukūʻai a me ka hoʻolako
- Nā Electrodes gula:ʻO ke kumu kūʻai waiwai kiʻekiʻe (ʻo ke gula ~ 70-80 × pricier ma mua o ke kālā), akā nā kaʻina hana paʻa a me nā hua kiʻekiʻe e hōʻoia i kā lākou hoʻohana ʻana i nā noi haʻahaʻa haʻahaʻa.
- Nā Electrodes kālā:ʻO ke kumu kūʻai haʻahaʻa haʻahaʻa, kūpono no ka hana nui, akā makemake paha i nā pale anti-oxidation (e laʻa, ka nickel plating), e hoʻohui i ka paʻakikī o ka hana.
IV. Hōʻuluʻulu manaʻo
- E koho i nā Electrodes gulano: Nā noi no ka wela kiʻekiʻe, ʻino, a i ʻole hilinaʻi-koʻikoʻi (automotive, lāʻau lapaʻau, aerospace).
- E koho i nā Electrodes kālāno ka: ʻO nā noi noiʻi kumu kūʻai, ʻoluʻolu-kaiapuni me nā koi ola haʻahaʻa (nā mea hoʻohana uila, nā mea hana).
Ma ke kaulike ʻana i nā pono hana, nā kūlana kaiapuni, a me nā kaohi kālā, hiki ke koho ʻia ke ʻano electrode maikaʻi loa no kāu noi.
Ka manawa hoʻouna: Mar-13-2025