Introduction to infrared temperature sensor
ʻO ka mea ʻike wela infrared he mea ʻike hoʻopili ʻole e hoʻohana ana i ka ikehu hoʻoheheʻe infrared i hoʻokuʻu ʻia e kekahi mea e ana i ka wela o ka ʻili. Hoʻokumu ʻia kona kumu kumu ma ke kānāwai Stefan-Boltzmann: ʻo nā mea āpau me ka wela ma luna o ka ʻole ʻole e hoʻomālamalama i nā kukuna infrared, a ua kūlike ka ikaika o ka radiation me ka hā o ka mana o ka wela o ka ʻili o ka mea. Hoʻololi ka mea ʻike i ka radiation infrared i loaʻa i hōʻailona uila ma o kahi thermopile i kūkulu ʻia a i ʻole pyroelectric detector, a laila helu i ka waiwai wela ma o kahi algorithm.
Nā hiʻohiʻona ʻenehana:
Ana hoʻopili ʻole: ʻaʻole pono e hoʻopili i ka mea i ana ʻia, e pale aku i ka hoʻohaumia ʻana a i ʻole ke keʻakeʻa ʻana i ka wela kiʻekiʻe a me nā pahuhopu neʻe.
ʻO ka wikiwiki pane wikiwiki: pane millisecond, kūpono no ka nānā ʻana i ka mahana.
Laulā laula: ka uhi maʻamau -50 ℃ a 3000 ℃ (ʻokoʻa nā hiʻohiʻona like ʻole).
Hiki ke hoʻololi ikaika: hiki ke hoʻohana ʻia i loko o ka vacuum, corrosive environment a i ʻole electromagnetic interference scenario.
Nā hōʻailona ʻenehana kumu
Ke ana pololei: ± 1% a i ʻole ± 1.5 ℃ (hiki i ka papa hana kiʻekiʻe ke piʻi i ± 0.3 ℃)
Hoʻoponopono Emissivity: kākoʻo i ka 0.1 ~ 1.0 hiki ke hoʻololi ʻia (calibrated no nā ʻano mea like ʻole)
ʻO ka hoʻonā ʻike: No ka laʻana, ʻo 30:1 ʻo ia ka mea hiki ke ana ʻia kahi ʻāpana ʻāpana 1cm ma kahi mamao o 30cm
Ka lōʻihi o ka nalu pane: 8 ~ 14μm maʻamau (kūpono no nā mea i ka mahana maʻamau), hoʻohana ʻia ke ʻano hawewe pōkole no ka ʻike wela kiʻekiʻe.
Nā hihia noi maʻamau
1. Manaʻo wānana i nā mea hana ʻoihana
Ua hoʻokomo kekahi mea hana kaʻa i ka MLX90614 infrared array sensors ma nā bearings motor, a wānana i nā hewa ma o ka nānā mau ʻana i nā loli wela o ka lawe ʻana a me ka hoʻohui ʻana i nā algorithms AI. Hōʻike ka ʻikepili maʻamau i ka ʻōlelo aʻo ʻana no ka lawe ʻana i nā hemahema he 72 mau hola ma mua e hiki ke hōʻemi i nā poho downtime e 230,000 US kālā i kēlā me kēia makahiki.
2. Pūnaehana hōʻike wela lāʻau
I ka wā maʻi maʻi 2020 COVID-19, ua kau ʻia nā kiʻi kiʻi wela FLIR T series ma ka puka pilikia o nā haukapila, e loaʻa ana i ka nānā ʻana i ka wela maʻamau o 20 mau kānaka i kēlā me kēia kekona, me ke ana wela o ≤0.3 ℃, a hui pū ʻia me ka ʻenehana ʻike maka e hoʻokō ai i ka nānā ʻana o nā limahana wela.
3. Ka hoomalu ana i ka wela o ka home appliance
Hoʻohui ka mea kuke induction kiʻekiʻe i ka Melexis MLX90621 infrared sensor e nānā i ka hāʻawi ʻana i ka wela o lalo o ka ipuhao i ka manawa maoli. Ke ʻike ʻia ka wela nui o ka ʻāina (e like me ke ahi ʻole), e hoʻemi ʻia ka mana. Hoʻohālikelike ʻia me ka hopena thermocouple kuʻuna, hoʻonui ʻia ka wikiwiki o ka pane ʻana i ka mahana e 5 mau manawa.
4. Pūnaehana hoʻoheheʻe wai pololei
Hoʻohana kahi mahiʻai ma ʻIseraʻela i ka Heimann HTPA32x32 infrared thermal imager e nānā i ka mahana o ka canopy hua a kūkulu i kahi hoʻohālike transpiration e pili ana i nā ʻāpana kaiapuni. Hoʻoponopono pono ka ʻōnaehana i ka nui o ka irrigation drip, e mālama ana i ka 38% o ka wai i loko o ka māla waina aʻo ka hoʻonui ʻana i ka hana ma 15%.
5. Nānā pūnaewele o nā ʻōnaehana mana
Hoʻopuka ka State Grid i ka Optris PI series i nā thermometer infrared online i nā substations high-voltage e nānā i ka mahana o nā ʻāpana koʻikoʻi e like me nā hui busbar a me nā insulators 24 mau hola i ka lā. I ka makahiki 2022, ua ʻōlelo maikaʻi ʻia kahi substation no ka hoʻopili maikaʻi ʻana o nā mea hoʻokaʻawale 110kV, e pale ana i ka pau ʻana o ka mana āpana.
Nā ʻano hoʻomohala hou
ʻenehana fusion multi-spectral: Hoʻohui i ke ana wela infrared me nā kiʻi māmā ʻike ʻia e hoʻomaikaʻi i ka hiki ke ʻike i ka pahuhopu i nā hiʻohiʻona paʻakikī.
Ka nānā ʻana o ka mahina ʻai wela AI: E noʻonoʻo i nā hiʻohiʻona kahele ʻana o ka mahana ma muli o ke aʻo hohonu, e like me ka lepili ʻana i nā wahi inflammatory i ke kahua lapaʻau.
MEMS miniaturization: ʻO ka sensor AS6221 i hoʻokuʻu ʻia e AMS he 1.5 × 1.5mm wale nō ka nui a hiki ke hoʻokomo ʻia i nā wati akamai e nānā i ka mahana o ka ʻili.
Hoʻohui pūnaewele pūnaewele o nā mea: LoRaWAN protocol infrared ana wela nodes e hoʻokō i ka mākaʻikaʻi mamao mile mile, kūpono no ka nānā ʻana i ka pipeline ʻaila.
Manaʻo koho
Laina hana meaʻai: E hoʻokahua i nā kumu hoʻohālike me ka pae pale IP67 a me ka manawa pane <100ms
Noiʻi noiʻi: E noʻonoʻo i ka hoʻonā wela 0.01 ℃ a me ka hoʻopuka puka ʻikepili (e like me USB/I2C)
Nā noi pale ahi: E koho i nā mea ʻike pahū-hōʻoia me kahi ākea o ka 600 ℃, i lako me nā kānana komo ʻana i ka uahi.
Me ka hoʻolaha ʻana o 5G a me nā ʻenehana computing edge, ke hoʻomohala nei nā mea ʻike wela infrared mai nā hāmeʻa ana hoʻokahi a hiki i nā nodes ʻike naʻauao, e hōʻike ana i ka hiki ke hoʻohana nui ʻia i nā kula e like me Industry 4.0 a me nā kūlanakauhale akamai.
Ka manawa hoʻouna: Feb-11-2025