Laser tsom iav kev nyab xeebtseem ceebCov khoom siv tiv thaiv tus kheej (PPE)nyob rau hauv ib puag ncig uas cov cuab yeej laser ua haujlwm, suav nrog kev tsim khoom lag luam, chaw kho mob, chaw tshawb fawb, thiab chaw tsim kho. Kev ua tau zoo thiab kev ntseeg siab ntawm cov iav no yog tswj hwm los ntawm cov qauv thoob ntiaj teb, nrogANSI Z136(American National Standards Institute) thiabTS EN 207(European Norm) yog ob qho kev pom zoo tshaj plaws hauv ntiaj teb.
Txawm hais tias ob qho tib si tus qauv tsom los tiv thaiv cov neeg siv los ntawm laser- raug mob qhov muag- xws li cov pob muag kub hnyiab, pob txha puas, thiab photochemical keratitis-lawv sib txawv hauv cov kev cai, kev sim cov txheej txheem, thiab cov txheej txheem ua raws. Kab lus no muab kev sib piv ntawm ANSI Z136 thiab EN 207, pab cov thawj coj kev nyab xeeb, cov neeg ua haujlwm yuav khoom, thiab kawg- cov neeg siv txiav txim siab raws li cov cai hauv cheeb tsam, laser tsis, thiab daim ntawv thov scenarios.
Qhov tseem ceeb sib txawv ntawm ANSI Z136 thiab EN 207
1. Kev tiv thaiv kev ua tau zoo
ANSI Z136: Optical Density (OD) Ua kom pom tseeb
ANSI Z136 series, tshwj xeebANSI Z136.7-2025(qhov hloov tshiab tshiab), sivOptical Density (OD)raws li qhov kev ntsuas tseem ceeb rau kev ntsuas kev muaj peev xwm tiv thaiv. OD txhais tau tias yog lub logarithm ntawm kev sib txuas ntawm kev xa hluav taws xob laser los ntawm lub lens tiv thaiv:
OD=log₁₀(1/T), qhov twg T yog qhov transmittance piv.
Piv txwv li, ib qho OD ntawm 7 txhais tau hais tias lub lens txo qhov kev siv laser los ntawm10⁷ sijhawm(10 lab lub sij hawm), kom ntseeg tau tias tsuas yog 0.00001% ntawm thawj lub zog laser mus txog qhov muag.
Tshwj xeeb, ANSI Z136.7 tsomtshwj xeeb ntawm kev ua haujlwm lensthiab tsis tso cai tshwj xeeb rau cov qauv tsim, kev pab them nqi, lossis kev tiv thaiv sab, tawm hauv cov khoom no rau cov tuam txhab kev txiav txim siab (ANSI Z136.7-2025, LIA).
EN 207: Integrated LB Rating System
EN 207 tau txais kev pom zoo ntau duaLB (Laser Beam) ntsuas qhov system, uas combines:
Yam tsawg kawg nkaus OD yuav tsum tau: OD yuav tsum tshaj LB tus nqi (piv txwv li, LB5 xav tau OD> 5).
Laser tsis kam: Lub lens thiab thav duab yuav tsum tiv taus lub zog laser / lub zog ntom ntom yam tsis muaj kev puas tsuaj rau lub cev (xws li, tawg, yaj, lossis delamination).
Lub kaum sab xis ntawm kev tiv thaiv: Ncej yuav tsum thaiv laser to ntawm ob sab, sab saum toj, thiab hauv qab, nrog rau qhov tsawg kawg nkaus lub kaum sab xis ntawm 360℃nyob ib ncig ntawm lub qhov muag (EN 207, Lasermet).
Piv txwv li, EN 207 daim ntawv lo "DIR 1064 LB7"hais tias:
D: Continuous wave laser (CW, >0.25s mem tes ntev)
I: Long pulse laser (>1 μs rau 0.25s)
R: Q-switched pulse laser (>1 mus rau 1μs)
1064nm ua: Tiv thaiv wavelength
LB 7OD> 7, nrog rau 10⁷ W / m² (CW) lossis 10⁴ J / m² (pulsed) ntawm 1064nm.
2. Kev soj ntsuam raws tu qauv thiab kev ua kom ntev
ANSI Z136: Basic Attenuation Testing
ANSI Z136.7 yuav tsum tau kuaj lub lens OD ntawmtshwj xeeb wavelength(feem ntau 190nm-11,000nm) siv cov khoom siv laser calibrated. Txawm li cas los xij, nws tsis qhia meej:
Lub sij hawm raug: Tsis muaj sij hawm tsawg kawg nkaus uas lub lens yuav tsum tiv thaiv laser hits ncaj qha.
Ncej kev ncaj ncees: Tsis muaj kev ntsuam xyuas rau thav duab tsis kam mus rau laser nkag los yog cov neeg kho tshuab kev nyuaj siab.
Environmental durability: Kev txwv tsis pub dhau qhov kub, av noo, lossis UV tiv taus (ANSI Z136.7 Kev Ntsuas, CTNT Cert).
TS EN 207: Kev ntsuas nruj nruj thiab kev ntsuas ib puag ncig
EN 207 txoj caintau-kev sim ntsuaslos xyuas kom meej -kev ntseeg hauv ntiaj teb no:
Laser endurance:
CW lasers: 5-thib ob txuas ntxiv raug ntawm lub zog siab tshaj plaws.
Pulsed lasers: 50 pulses ntawm qhov siab tshaj plaws ntsuas lub zog ceev.
Mechanical zog: Cov ncej yuav tsum tiv thaiv kev cuam tshuam los ntawm 500g projectile ntawm 45 m / s (simulating chaw ua haujlwm sib tsoo).
Environmental stability: Lens thiab thav duab raug kuaj nyob rau hauv qhov kub thiab txias (-5℃rau +55 degree), av av (93% RH), thiab UV hluav taws xob (200 teev raug) kom ntseeg tau OD tuav (EN 207, Wikipedia).
3. Laser hom thiab wavelength npog
ANSI Z136: Txwv hom kev faib tawm
ANSI Z136.1 faib cov lasers rau hauv 1-4 raws li kev phom sij tab sis tsis sib txawv ntawmhom mem tes(piv txwv li, Q-hloov vs. hom- xauv) hauv nws cov qauv tsom iav laser. Qhov no tuaj yeem ua rau tsis meej pem thaum xaiv tsom iav rau ultra- luv luv mem tes lasers (<1ns), where nonlinear optical effects may reduce OD effectiveness.
Lub wavelength ntau them los ntawm ANSI Z136.7 yog180nm-1000μm(CTNT daim ntawv pov thawj).
EN 207: Pulse Mode-Kev ntsuas tshwj xeeb
EN 207 qhia meej meej categorizes laser hom thiab tailors tiv thaiv cov cai raws li:
| Hom | Pulse Duration | Piv txwv Lasers |
|---|---|---|
| D (CW) | >0.25s | CO₂ lasers, fiber ntau lasers |
| Kuv (Long Pulse) | 1μs–0.25s | Nd:YAG (free -khiav) |
| R (Q-hloov) | 1 ns-1 m | Nd:YAG (Q-switched) |
| M (Hom-Xauv) | <1ns | Titanium{0}}sapphire lasers |
EN 207 tseem npog180nm-1000μm, sib piv ANSI Z136.7's wavelength range tab sis nrog kev ntsuas nruj dua ntawm qhov siab tshaj (piv txwv li, deb UV thiab IR).
4. Ua raws li daim ntawv lo yuav tsum tau ua
ANSI Z136: Cov ntawv cim me me
ANSI Z136.7 xav kom cov ntawv sau suav nrog:
Chaw tsim tshuaj paus npe / qauv
Wavelength ntau yam (piv txwv li, 694-1064nm)
OD tus nqi rau txhua qhov wavelength
Daim ntawv qhia ua raws (piv txwv li, "Ua raws ANSI Z136.7-2025")
TS EN 207: CE Daim Ntawv Pom Zoo
EN 207 cov ntawv qhia ntxaws ntxaws thiab raug cai rau CE kos npe hauv EU:
CE cim(yuav tsum tau rau EU kev lag luam nkag)
Wavelength ntau yam (piv txwv li, 190-400nm, 1064nm)
Laser hom (D, I, R, M)
Yuav Ua Li Cas Xaiv Ntawm ANSI Z136 thiab EN 207: Phau Ntawv Qhia Txog Tswv Yim
1. Kev Ua Raws Cai Hauv Cheeb Tsam
North America: ANSI Z136 yog qhov yuav tsum tau ua
Hauv Teb Chaws Asmeskas thiab Canada, OSHA (Occupational Safety and Health Administration) hais txog ANSI Z136 ua tusde facto standardraulaser kev nyab xeeb.Cov tswv lag luam yuav tsum xyuas kom cov lasers ua raws li ANSI Z136.7 kom ua tau raws li OSHA's General Duty Clause (29 CFR 1910.132).
Kev lag luam tseem ceeb:
Kev kho mob (xws li, dermatology lasers, phais lasers) - ANSI Z136.3 muab kev kho mob-cov lus qhia tshwj xeeb (ANSI Z136.3-2024).
Kev tsim khoom (xws li laser txiav, vuam) - ANSI Z136.9 npog cov ntawv thov kev lag luam (Z136.9, LIA).
EU thiab CE- Cov Cheeb Tsam Cim Cim: EN 207 yog qhov yuav tsum tau ua raws cai
Hauv European Union, EN 207 yog aharmonized qauvraws li PPE Txoj Cai (EU 2016/425). Tag nrholaser tsom iav tsom iavyuav tsum dais CE cim thiab ua raws li EN 207 kom muag lossis siv raws cai.
EN 207 kuj tseem siv dav hauv:
Australia / New Zealand (ntawm AS / NZS 1337.4, raws li EN 207)
Middle East / Africa (kev loj hlob kev saws me nyuam vim EU kev koom tes ua lag luam)
2. Laser Parameter xav txog
High-Power lossis High-Energy Lasers: EN 207 muaj kev nyab xeeb dua
Rau lasers nrog:
CW power >10W(piv txwv li, industrial CO₂ lasers, 10.6μm)
Pulse energy >1 mJ(eg, Q-hloov Nd:YAG, 1064nm)
Ultra{0}}short pulses (<1ns, e.g., mode-locked lasers),
EN 207's LB qhov ntsuas xyuas kom lub lens tuaj yeem tiv taus qhov raug mob lossis rov ua dua yam tsis muaj kev puas tsuaj. ANSI Z136, tsis muaj qhov yuav tsum tau ua kom ntev, yuav ua tsis tau raws li cov xwm txheej zoo li no -xws li, lub lens polycarbonate nrog OD6 rau 10.6μm yuav yaj thaum raug 500W CO₂ laser (Lasermet).
Tsawg-Power Lasers: ANSI Z136 Muaj peev xwm txaus
Rau Chav Kawm 3R lossis qis -huv Class 4 lasers (<5W CW), ANSI Z136.7 glasses are often sufficient and more cost-effective. Examples include:
Laser pointers (532nm),<5mW)
Laser barcode scanners
Tsawg- lub zog kho mob lasers (piv txwv li, dermatology IPL li).
3. Daim ntawv thov -Cov Kev Xav Tau Tshwj Xeeb
Kev tsim khoom lag luam: EN 207 rau Hnyav-Kev siv lub luag haujlwm
Hauv cov chaw ua haujlwm uas muaj kev vibration siab, plua plav, lossis qhov muaj peev xwm rau kev cuam tshuam lub lens, EN 207's robust thav duab kuaj (xws li, 500g projectile impact) thiab kev tiv thaiv sab ua rau nws zoo tagnrho. ANSI Z136 tsom iav, nrog cov thav duab sib dua, yuav tsis muaj kev ruaj khov nyob rau hauv ib puag ncig zoo li no.
Chaw Kho Mob: ANSI Z136.3 rau Cov Kev Xav Tau Tshwj Xeeb
ANSI Z136.3 muab kev kho mob -cov lus qhia tshwj xeeb, xws li:
Compatibility nrog phais loupes thiab microscopes.
Optical clarity rau cov txheej txheem meej (piv txwv li, ophthalmic laser phais).
Los tiv thaiv-cov tshuaj tiv thaiv kab mob rau qhov chaw tsis muaj menyuam.
Thaum EN 207 yog CE- yuav tsum tau ua hauv EU tsev kho mob, ANSI Z136.3 tseem yog tus qauv kub hauv North America.
Kev tshawb fawb Laboratories: EN 207 rau Mixed Laser Hom
Lub chaw soj nstuam siv ntau hom laser (xws li, CW + hom- xauv) tau txais txiaj ntsig los ntawm EN 207's hom-kev ntsuas tshwj xeeb, ua kom muaj kev tiv thaiv thoob plaws ntau qhov kev sim teeb tsa.
Xaus
ANSI Z136 thiab EN 207 yog ob qho tib si tseem ceeb raulaser qhov muag tiv thaiv, tab sis lawv lub zog sib txawv los ntawm cheeb tsam, daim ntawv thov, thiab laser hom.ANSI Z136excels nyob rau hauv North American ua raws cai thiab tus nqi -effectiveness rau tsawg- lasers, thaumTS EN 207muaj kev ua tau zoo dua qub thiab kev nyab xeeb rau siab -lub zog, ntau- hom lasers hauv EU thiab thoob ntiaj teb kev lag luam.
Thaum xaivlaser tsom iav kev ruaj ntseg, ua qhov tseem ceeb:
Cov cai hauv cheeb tsam(ANSI rau NA, EN 207 rau EU / CE cheeb tsam).
Laser tsis(lub zog, mem tes hom, wavelength).
Daim ntawv thov xav tau(Industrial vs. Medical, durability xav tau).
Los ntawm kev ua raws li tus qauv tsim nyog, cov neeg siv tuaj yeem ua kom muaj kev tiv thaiv zoo thaum ua raws li kev cai lij choj thiab txo qhov ntev - lub sij hawm lav ris.