Puas yog lub teeb dub thiab cov teeb hauv chav kawm yog tib yam?
Peb feem ntau hnov txoj kev npaj tsim tau muab rau hauv chav kawm teeb pom kev zoo: chav kawm ntawv yuav tsum tau nruab nrog 12 chav kawm teeb thiab 3 lub teeb dub. Yog li lawv cov lus nug yog, puas yog lub teeb blackboard tsis yooj yim yog lub teeb hauv chav kawm? Cov teeb hauv chav kawm thiab cov teeb pom kev dub puas zoo ib yam?
Puas yog lub teeb dub thiab cov teeb hauv chav kawm yog tib yam?
Cov teeb hauv chav kawm muaj xws li cov teeb pom kev dub hauv qhov kev xav dav, tab sis nyob rau hauv lub tsev kawm ntawv teeb pom kev zoo tsim qauv, cov teeb hauv chav kawm tsuas yog xa mus rau cov teeb lub luag hauj lwm rau kev teeb pom kev rau cov tub ntxhais kawm lub rooj thiab lub podiums, tsis suav nrog blackboards. Vim hais tias lub teeb pom kev ntawm lub blackboards yuav tsum muaj lwm yam teeb pom kev zoo rau lub luag hauj lwm rau lub teeb pom kev zoo-blackboard teeb.
Cov qauv ntawm cov teeb pom kev dub yog txawv ntawm cov teeb hauv chav kawm:
1. Illumination: blackboard teeb illumination 500LUX; chav kawm teeb 300LUX;
2. Uniformity: blackboard lub teeb ≥ 0.8; chav kawm teeb ≥ 0.7;
3. Txoj kev teeb tsa:
Cov cuab yeej siv lub teeb pom kev dub, sib npaug rau cov ntawv teev npe dub 0.7m txog 1.0m, thiab sab sauv ntawm cov ntawv teev lus blackboard yog nyob rau ntawm lub sijhawm ncaj ntawm 0.1m txog 0.2m. Lub kaum sab xis tswj ntawm lub teeb lub teeb dub yuav tsum tau hloov kho kom tsis txhob ncaj qha glare ntawm blackboard teeb rau tus kws qhia. Qhov siab ntawm lub blackboard nws tus kheej yog feem ntau ntawm 1.0-1.2m, qhov siab installation ntawm blackboard feem ntau yog nruab nrab ntawm 0.8m-0.9m nyob rau hauv cov tsev kawm ntawv theem pib, thiab nruab nrab ntawm 1.0m thiab 1.1m nyob rau hauv nruab nrab cov tsev kawm ntawv, nyob ntawm seb qhov nruab nrab qhov siab ntawm lub zos. cov tub ntxhais kawm.
Kev teeb tsa lub teeb hauv chav kawm yuav tsum tau teem caij ntev (qhov ntev ntawm lub teeb yog ncaj nraim mus rau lub blackboard), thiab qhov kev ncua deb ntawm lub teeb thiab lub rooj yuav tsum tsis pub tsawg tshaj 1.7 meters. Ntawd yog, kev teeb tsa ntawm chav kawm teeb yog qhov siv lub rooj qhov siab. Qhov siab ntawm cov rooj zaum hauv cov tsev kawm theem pib thiab theem nrab feem ntau yog 70cm. Nyob ib ncig ntawm, qhov siab ntawm lub rooj zaum kindergarten feem ntau yog li 50cm.
4. Txoj kev teeb pom kev zoo:
Blackboard teeb pom kev zoo yuav tsum siv tshwj xeeb blackboard teeb nrog asymmetrical muaj zog lub teeb dispersion yam ntxwv. Vim li cas thiaj li yuav tsum tau lub teeb pom kev hauv blackboard xaiv cov teeb pom kev zoo nrog asymmetrical muaj zog lub teeb dispersion yam ntxwv? Nws yuav tsum yog hais tias lub teeb ntawm lub blackboard tsis tuaj yeem muab tso rau hauv nruab nrab ntawm lub blackboard, tab sis tsuas yog muab tso rau saum lub blackboard. Txhawm rau kom ntseeg tau tias lub pob zeb dub' s illuminance thiab uniformity ntawm illuminance, tsuas yog lub blackboard teeb nrog asymmetrical muaj zog lub teeb dispersion yam ntxwv yuav siv tau los tswj lub illumination. Lub illuminance ntawm ib feem ntawm lub blackboard nyob ze ntawm lub blackboard lub teeb thiab ib feem ntawm lub blackboard nyob deb ntawm lub blackboard lub teeb yog tib yam.
Cov teeb pom kev hauv chav kawm yuav tsum siv cov teeb pom kev tshwj xeeb hauv chav kawm nrog cov yam ntxwv ntawm lub teeb pom kev zoo, vim tias qhov no yuav ua rau lub teeb pom kev zoo ntawm chav kawm ntau dua thiab zoo ib yam.
