Ɔberɛfɛw da 15, afe 2020
Nnyinasosɛm titiriw a ɛwɔ ɔhyew mfoniniyɛ mu ne infrared radiation. Adeɛ biara a ne hyeɛ boro zero koraa (-273.15°C) no ma infrared rays — electromagnetic asorɔkye a onipa aniwa ntumi nhunu, a asorɔkye tenten taa yɛ 0.75μm ne 1000μm. Ɔhyew mfoninitwa mfiri de infrared detectors kyere saa mframa yi, dannan no ma ɛbɛyɛ anyinam ahoɔden nsɛnkyerɛnne, na awiei koraa no ɛyɛ ɔhyew kyekyɛ ho mfonini a ɛyɛ atoro kɔla — ɔhyew mfonini.
Nnyinasosɛm titiriw a ɛwɔ ɔhyew mfoniniyɛ mu ne infrared radiation. Adeɛ biara a ne hyeɛ boro zero koraa (-273.15°C) no ma infrared rays — electromagnetic asorɔkye a onipa aniwa ntumi nhunu, a asorɔkye tenten taa yɛ 0.75μm ne 1000μm. Ɔhyew mfoninitwa mfiri de infrared detectors kyere saa mframa yi, dannan no ma ɛbɛyɛ anyinam ahoɔden nsɛnkyerɛnne, na awiei koraa no ɛyɛ ɔhyew kyekyɛ ho mfonini a ɛyɛ atoro kɔla — ɔhyew mfonini.
Sɛnea infrared mframa a ano yɛ den no gyina ade no hyew ne sɛnea ɛwɔ soro no nyinaa so. Ɔhyew a ɛkɔ soro kyerɛ sɛ mframa a ano yɛ den bɛba. Surface su — titiriw emissivity — nso nya radiation ahoɔden so nkɛntɛnso. Dade a wɔayɛ no fɛfɛɛfɛ no wɔ emissivity a ɛba fam koraa (bɛyɛ 0.05-0.1), a ɛkyerɛ sɛ infrared mframa dodow no ara da adi mmom sen sɛ ɛbɛpue. Nneɛma a ɛnyɛ dade te sɛ oxides, plastic, ne paint wɔ emissivity a ɛkorɔn (bɛyɛ 0.7-0.95), na ɛma ɛfata kɛse ma infrared ɔhyew susuw.
Infrared radiation nnyinasosɛm ahorow a wɔbɛte ase no ho hia na ama wɔatumi de mfoninitwa mfiri a ɛma ɔhyew adi dwuma yiye. Sɛ wonnim ade a wɔde asi wɔn ani so no emissivity a, ɔhyew akenkan no rennyɛ pɛpɛɛpɛ. Sɛ nhwɛso no, sɛ wode thermal camera susuw aluminium mprɛte a wɔayɛ no fɛfɛɛfɛ a, ebetumi ama woakenkan ɔhyew ankasa no fã pɛ — efisɛ mfoninitwa afiri no kyerɛ mprɛte no mu mframa a atwa ho ahyia a ɛdannan no ase sɛ mprɛte no ankasa mframa. Eyi nti na sɛ wode emissivity parameter a ɛteɛ no besi hɔ ansa na woasusuw no ho hia yiye.
Sɛ worepaw thermal camera a, parameters abiɛsa na ɛyɛ gyinaesi. Get any one wrong na nea efi mu ba no yɛ compromised.
Nea edi kan: infrared nsusuwii. Nsusuwii na ɛkyerɛ ɔhyew mfonini no mu da hɔ — nsusuwii a ɛkorɔn kyerɛ sɛ nsɛm a ɛkɔ akyiri a ɛyɛ adefo wɔ ɔhyew mfonini no mu. Nneɛma a wɔtaa de di dwuma ne 160×120 (bɛyɛ piksel 20,000), 320×240 (bɛyɛ piksel 77,000), ne 640×480 (bɛyɛ piksel 310,000). 160×120 nsusuwii fata ntɛm scan ne general nhwehwɛmu; 320×240 ne nea ɛkari pɛ a wɔpaw ma mfiridwuma mu nneɛma dodow no ara; 640×480 fata nhwehwɛmu a ɛyɛ fɛ, te sɛ nsonsonoe nketenkete a ɛwɔ ɔhyew mu a wohu wɔ ɛlɛtrɔnik nneɛma mu.
Nea ɛto so abien: NETD (Nsonsonoe a Ɛwɔ Dede a Ɛne Ɔhyew Mu). NETD gyina hɔ ma ɔhyew mu nsonsonoe ketewaa bi a ɔhyew mfoninitwa afiri betumi asiesie, a wɔde mK (millikelvin) susuw. NETD a ɛba fam kyerɛ sɛ wɔte nka kɛse wɔ ɔhyew mu nsonsonoe nketenkete ho. Mpɛn pii no, mfoninitwa mfiri a NETD nnu 50mK di mfiridwuma mu ahiade dodow no ara ho dwuma; ase 20mK yɛ premium grade, ɛfata ma nhwehwɛmu ne pɛpɛɛpɛ sɔhwɛ.
Nea ɛto so abiɛsa: ɔhyew a ɛkɔ soro. Dwumadi ahorow hwehwɛ sɛ wɔde range ahorow di dwuma. Mpɛn pii no, anyinam ahoɔden mfiri nhwehwɛmu hia -20°C kosi +150°C; mfiridwuma mu fononoo mu nhwehwɛmu hia 0°C kosi +1000°C anaa nea ɛboro saa; ɔdan mu ɔhyew a ɛyera nhwehwɛmu hia -20°C kosi +60°C. PK63 series nsaano ɔhyew mfoninitwa afiri no boa -55°C kosi +1580°C, na ɛkata dwumadie dodoɔ no ara so firi ɔdan mu nhwehwɛmu so kɔsi dadeɛ ho adwumayɛ so.
Thermal imaging product line a FangService boa no ka models mmiɛnsa a ɛkata spectrum no nyinaa so firi entry-level kɔsi professional. Nsonsonoe no ntease ne ade a etwa to wɔ paw mu.
PK61 yɛ kotoku mu ɔhyew mfoninitwa afiri a wɔayɛ sɛ wɔde hwehwɛ mu ntɛmntɛm. Mfaso titiriw a ɛwɔ so ne sɛ wotumi fa so — ketewaa bi a ebetumi ahyɛ kotoku mu, emu yɛ hare sɛ wode bɛsoa da mũ nyinaa. Operation yɛ mmerɛw: tumi on, botae, kenkan — anammɔn abiɛsa awie. Ɛfata ma: anyinam ahoɔden nkuku mu hyew a wɔhwɛ daa, HVAC nhyehyɛe ahorow ho nhwehwɛmu ntɛmntɛm, ne ɔdan mu nsu a ɛtwetwe wɔ baabi a wodi kan de si hɔ. PK61 no wɔ infrared resolution a ɛkɔ fam ne NETD bɛyɛ 50mK, a ɛdi nhwehwɛmu ahiadeɛ nyinaa ho dwuma.
PK62 yɛ infrared thermometer (IR gun) a wɔayɛ sɛ wɔde susuw ɔhyew a ɛwɔ baabiara. Nea ɛnte sɛ thermal camera, infrared thermometer susuw ɔhyew wɔ beae biako — botae, mia, na ɔhyew nɔma bi bɛda adi wɔ screen no so. Mfaso a ɛwɔ PK62 no so ne sɛnea ɛyɛ pɛpɛɛpɛ kɛse (mpɛn pii no ɛyɛ ±1°C kosi ±2°C), ɛyɛ adwuma ntɛmntɛm (mpɛn pii no ɛyɛ nea ennu sekan 1), na ɛho ka sua koraa. Ɛfata ma: ɔhyew susuw pɛpɛɛpɛ wɔ beae biako, te sɛ motor bearing hyew, paipu ani hyew, ne ɔhyew a wɔhwɛ so wɔ aduan a wɔyɛ mu.
PK63 yɛ nsa so mfoninitwa afiri a ɛma ɔhyew a ɛkorɔn, ɛyɛ adwumayɛfo a wɔyɛ adwumaden wɔ nneɛma a wɔyɛ no mu. Ɛwɔ infrared resolution a ɛkorɔn, NETD a ɛba fam, ne ɔhyew a ɛtrɛw. PK63 nso boa video a wɔkyere gu kasɛt so ne bere ankasa mu ɔhyew nhwehwɛmu, a ɛfata ma dwumadie a ɛhia ɔhyew ho nsɛm a ɛkɔ akyiri ne nkɔsoɔ nhwehwɛmu. Ɛfata ma: mfiri mfomsoɔ a wɔhwehwɛ, R&D sɔhwɛ, ne dwumadie a ɛhwehwɛ sɛ wɔde adwumayɛfoɔ nhwehwɛmu amanneɛbɔ ma.
Mfiridwuma a wɔde twa mfonini a ɛyɛ hyew di dwuma kɛse wɔ nnwuma, adansi, ne ahobammɔ mu. Nsɛm anan a ɛtaa ba no ni.
Nea edi kan: anyinam ahoɔden mfiri a wɔde siesie nneɛma a wɔahyɛ ho nkɔm. Electrical connection points (te sɛ circuit breakers, contactors, busbar joints) ma ɔhyew a ɛnteɛ bere a contact resistance kɔ soro — eyi yɛ ntɛm sɛnkyerɛnne a ɛkyerɛ sɛ mfiri adi huammɔ. Sɛ wode thermal camera a ɛwɔ adesoa ase scan anyinam ahoɔden nkuku mu a, ebetumi adi kan ahu mmeae a ɛhɔ yɛ hyew yi, na ama wɔatumi asiesie ansa na mfiri no atɔ fam. Eyi ne thermal imaging mfiridwuma a ɛho akokwaw na ROI a ɛkorɔn sen biara a wɔde di dwuma.
Nea ɛto so abien: ɔdan mu ɔhyew a ɛyera a wohu. Mfomso ahorow a ɛwɔ ɔdan envelope insulation mu no ma localized temperature anomalies — wɔ awɔw bere mu no, mmeae a insulated yiye no da adi sɛ ɛhyerɛn (ɔhyew) wɔ thermal mfonini ahorow mu, bere a mmeae a insulated yiye no da adi sɛ ɛyɛ sum (onwini). Mfoninitwa mfiri a ɛma ɔhyew hu ntɛm ara sɛ nneɛma a wɔde siw mframa ano no mu sintɔ ahorow, na ɛkyerɛ kwan ma wosiesie na ɛsan siesie nneɛma a ɛmma ahoɔden nsɛe no.
Nea ɛto so abiɛsa: mfiridwuma mu nnwinnade tebea a wɔhwɛ so. Nneɛma a ɛkyinkyini te sɛ mfiri, pɔmpɛ, ne fan mu a ɛbɔ a ɛnyɛ ne kwan so no ma ɔhyew kɔ soro. Sɛ wɔde mfoninitwa afiri a ɛma ɔhyew hwehwɛ mfiri yi mu daa a, ɛma wonya ɔhyew mfiase; sɛ wohu sɛ ɔhyew a ɛkɔ soro wɔ ɔkwan a ɛnteɛ so pɛ a, wobetumi ayɛ nhyehyɛe sɛ wɔbɛhwehwɛ mu.
Nea ɛto so anan: ahobammɔ a wɔhwɛ so. Wɔ hann kakraa bi anaasɛ sum mu koraa no, mfoninitwa mfiri a ɛma ɔhyew nam ɔhyew mu nsonsonoe so na ɛyɛ mfonini, na wɔde hwɛ ahobammɔ so na wɔde hwehwɛ nkurɔfo na wogye nkurɔfo nkwa.
Comprehensive thermal imaging nyɛ mfiri a wotɔ na wo werɛ fi — ɛyɛ nsiesie nhyehyɛe a ɛkɔ so. Ɛsɛ sɛ ɔhyew mfoniniyɛ adwuma a edi mũ no bi ne: mfiri no hyew mfiase a wɔde besi hɔ (nhwehwɛmu a edi kan), bere ne bere mu a wɔbɛsan ahwɛ mu (mpɛn pii a egyina mfiri no ho hia so), ɔhyew nhwehwɛmu a ɛnteɛ (a ɛkyerɛ sɛ ɛho hia sɛ wosiesie anaa), nsiesie akyi a wɔbɛhwɛ so (a ɛkyerɛ sɛ ɔhyew asan aba sɛnea na ɛte kan no), ne data a wɔbɛkora so (ɔhyew ho kyerɛwtohɔ a wɔbɛkyekyere bere a ɛtoatoa so).
Sɛ worepaw mfiri a wɔde twa mfonini a wɔde ɔhyew yɛ a, ɛnsɛ sɛ ne bo nkutoo na ɛkyerɛ. Ɔhyew mfoninitwa afiri a ɛwɔ nsusuwii a ɛkorɔn na NETD a ɛba fam no bo yɛ den, nanso ɛhu anomalies a edi kan pii — efi adwene a ɛne sɛ wɔbɛkwati nnwinnade a adi huammɔ no, ROI a ɛwɔ saa sika a wɔde asie yi mu no yɛ kɛse yiye. Botae titiriw a ɛwɔ afiri te sɛ PK63 so no nyɛ susuw a ɛyɛ pɛpɛɛpɛ — ɛyɛ tumi a ɛwɔ ma nsiesie kuw no sɛ wobehu ɔhaw ahorow ansa na mfiri no atu kwan.
Ɛsɛ sɛ adetɔfo nso hwɛ nsɛm nketenkete a ɛnyɛ den sɛ wobebu wɔn ani agu so wɔ aguadi nneɛma mu: sɛ ebia mfiri no boa data a wɔde kɔ amannɔne (ma wɔde bɛka nhyehyɛe ahorow a wɔde siesie nneɛma ho); sɛ ebia ɛboa video a wɔkyere gu kasɛt so (ma dynamic process analysis); sɛ ebia batere nkwa nna hyia da mũ nyinaa a wɔde di dwuma wɔ afuw mu; ne sɛ ebia ɛboa adwumayɛ a ɛkɔ so wɔ mmeae a ɛhɔ yɛ hyew kɛse anaa. View the Thermal Imaging Detection Instruments Collection
Ka wo project scenario ne ahwehwɛdeɛ kyerɛ yɛn, na yɛbɛma ano aduru a ɛfata no ahyia na yɛde quote ama wɔ nnɔnhwereɛ 24 ntam.
Nya Quote a Wɔde Ma KwaPK57 and PK58 fixed industrial thermal imagers, PK61 pocket thermal camera, PK62 infrared thermometer, PK63 handheld high-resolution thermal imager — five series covering the complete needs from online monitoring to rapid field screening. High-precision temperature measurement, multi-scenario compatibility — designed for electrical maintenance, building inspection, industrial R&D, and predictive maintenance.
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