Dab tsi yog sodium teeb?

Sodium teeb yog lub teeb hluav taws xob uas siv sodium vapor tawm los ua kom pom lub teeb pom kev. Sodium teeb tau muab faib ua cov teeb hluav taws xob qis sodium thiabhigh-pressure sodium teeb. Kev ua hauj lwm vapor siab ntawm low-pressure sodium teeb yuav tsum tsis pub tshaj ob peb PA. Cov hluav taws xob tso tawm ntawm lub teeb hluav taws xob tsis tshua muaj siab sodium yog tsom rau ntawm ob txoj kab ob-D spectral ntawm 589. yog li nws cov luminous efficiency yog siab heev. Kev ua hauj lwm vapor siab ntawm lub high-pressure sodium teeb yog ntau dua 0.01 MPa. Lub teeb hluav taws xob sodium siab yog tsim los ntawm kev pom ntawm qhov tsis zoo ntawm lub teeb hluav taws xob tsawg sodium, xws li muaj zog monochromaticity, tsis muaj xim rendering, thiab lub raj xa dej ntev dhau.

Txoj Cai

Thaum lub teeb pib, ib qho arc yog tsim los ntawm cov electrodes ntawm ob qho kawg ntawm lub arc raj. Vim qhov kub ntawm qhov arc, sodium amalgam nyob rau hauv lub raj yog rhuab thiab evaporated rau hauv mercury vapor thiab sodium vapor. Thaum lub sij hawm txav ntawm cov electrons tawm ntawm cathode mus rau lub anode, lawv cuam tshuam cov atoms ntawm cov khoom tawm, kom lawv muaj peev xwm tsim ionization excitation nyob rau hauv huab hwm coj, thiab ces rov qab mus rau lub xeev ruaj khov los ntawm lub xeev zoo siab; Los yog los ntawm lub xeev ionized mus rau lub xeev zoo siab, thiab tom qab ntawd rov qab mus rau hauv av lub xeev rau kev ncig tsis kawg. Lub zog tshaj yog tso tawm nyob rau hauv daim ntawv ntawm optical hluav taws xob, uas ua rau lub teeb. Lub vapor siab ntawm cov khoom tawm hauv lub teeb hluav taws xob sodium siab yog siab heev, uas yog, qhov ceev ntawm sodium atoms yog siab, thiab tus naj npawb ntawm kev sib tsoo ntawm electrons thiab sodium atoms yog nquag, uas nthuav dav lub resonance hluav taws xob spectrum thiab tsim. hluav taws xob ntawm lwm yam pom spectrum. Yog li ntawd, lub teeb xim ntawm lub high-pressure sodium teeb yog zoo dua li ntawm cov uas tsis muaj zog sodium teeb.

Sodium teeb yog ib hom kev siv roj paug tawm teeb. Vim tias cov yam ntxwv tsis zoo ntawm cov roj tso tawm qhov muag teev, yog tias cov qij txuas nrog lub zog hluav taws xob ib leeg, lawv lub xeev ua haujlwm tsis ruaj khov. Raws li cov txheej txheem tawm mus ntxiv, nws yuav ua rau muaj kev nce ntxiv hauv qhov tam sim no hauv Circuit Court, thiab thaum kawg lub teeb lossis cov khoom hauv Circuit Court yuav raug hlawv los ntawm overcurrent.

Zoo li lwm cov roj tso tawm qhov muag, sodium teeb ua haujlwm hauv lub xeev arc tawm, thiab VA tus yam ntxwv nkhaus muaj qhov tsis zoo, uas yog, lub teeb tam sim no nce, tab sis lub teeb hluav taws xob poob. Nyob rau hauv cov xwm txheej ntawm lub zog tas li, txhawm rau txhawm rau ua haujlwm ruaj khov ntawm lub teeb, lub voj voog hluav taws xob nrog cov yam ntxwv zoo yuav tsum tau txuas nrog hauv cov kab hauv Circuit Court kom sib npaug qhov tsis zoo ntawm cov yam ntxwv no thiab ua kom lub zog ua haujlwm tam sim no. Cov khoom no hu ua ballast lossis tam sim no limiter. Resistors, capacitor, inductors, thiab lwm yam. tag nrho cov muaj kev txwv tam sim no.

Resistive ballasts yog qhov me me thiab pheej yig tus nqi. Thaum siv cov roj teeb sodium siab, nws yuav nyuaj rau pib. Thaum ua haujlwm, qhov kev tiv thaiv yuav ua kom muaj cua sov heev, yuav tsum muaj qhov chaw sov so loj thiab siv hluav taws xob loj, uas yuav txo tau tag nrho cov teeb pom kev zoo ntawm lub voj voog. Nws yog feem ntau siv hauv DC circuits, thiab lub teeb siv hauv AC circuits muaj qhov pom tseeb flicker.

Sodium teeb classification

1. Lub teeb tsis tshua muaj siab

Kev ua hauj lwm vapor siab ntawm low-pressure sodium teeb yuav tsum tsis pub tshaj ob peb PA. Cov hluav taws xob tso tawm ntawm lub teeb hluav taws xob tsis tshua muaj siab sodium yog tsom rau ntawm ob txoj kab ob-D spectral ntawm 589. yog li nws cov luminous efficiency yog siab heev. Tam sim no, nws tau mus txog 200 tam sim no ib watt (LM / W), dhau los ua lub zog txuag lub teeb nrog lub siab tshaj plaws luminous efficiency ntawm ntau yam electro-optical qhov chaw.

Tsawg siab sodium teeb yog lub teeb hluav taws xob siv hluav taws xob uas siv hluav taws xob tsawg sodium vapor tawm kom tawm lub teeb. Nws lub khob iav yog coated nrog infrared reflective zaj duab xis. Nws yog lub teeb hluav taws xob nrog lub teeb me me attenuation thiab lub siab tshaj plaws luminous efficiency. Lub teeb hluav taws xob qis sodium emits lub teeb daj monochromatic, uas yog siv nyob rau hauv qhov chaw uas tsis muaj qhov yuav tsum tau rau lub teeb xim, tab sis nws "fog permeability" zoo heev, tshwj xeeb tshaj yog haum rau kev nthuav dav, txoj kev tsheb, txoj kev hauv nroog, chaw ua si thiab thaj chaw teeb pom kev zoo. , kom tib neeg tuaj yeem pom cov khoom uas muaj xim sib txawv me me. Tsis tshua muaj siab sodium teeb kuj yog ib yam ntawm high-efficiency teeb los hloov high-pressure mercury teeb kom txuag hluav taws xob, thiab nws daim ntawv thov teb kuj nthuav.

Tsawg sodium teeb yog lub teeb hluav taws xob uas siv sodium vapor tawm los ua kom pom lub teeb pom kev. Sodium teeb tau muab faib ua cov teeb hluav taws xob qis sodium thiab high-pressure sodium teeb. Kev ua hauj lwm vapor siab ntawm low-pressure sodium teeb yuav tsum tsis pub tshaj ob peb PA. Cov hluav taws xob tawm hluav taws xob ntawm lub teeb hluav taws xob tsis tshua muaj siab sodium yog tsom rau ntawm ob txoj kab ob-D spectral ntawm 589. yog li nws cov luminous efficiency yog siab heev, ncav cuag 200 tam sim no ib watt (LM / W), ua lub zog txuag lub teeb nrog lub siab tshaj plaws luminous efficiency ntawm ntau yam electro-optical qhov chaw. Kev ua hauj lwm vapor siab ntawm lub high-pressure sodium teeb yog ntau tshaj 0.01 MPa. Lub teeb hluav taws xob sodium siab yog tsim los rau qhov tsis zoo ntawm lub teeb hluav taws xob sodium tsawg, xws li muaj zog monochromaticity, tsis muaj xim rendering, thiab lub raj xa dej ntev dhau.

Piv nrog rau cov teeb pom kev zoo, cov teeb hluav taws xob tsawg sodium tuaj yeem txuag tau ntau dua 70% lub zog. Txij li thaum lub teeb-emitting raj ntawm lub low-pressure sodium teeb yog kaw nyob rau hauv lub iav plhaub nrog lub siab nqus tsev vacuum thiab coated nrog ib tug infrared reflection zaj duab xis, nws luminous efficiency yog yeej tsis cuam tshuam los ntawm lub ambient kub ntawm ib feem, nws cov hluav taws xob spectrum yog. dawb huv, ruaj khov, thiab tsis muaj teeb pom kev zoo. Lub teeb ntawm no wavelength muaj zog pos huab permeability. Ua ke nrog cov khoom siv hluav taws xob muaj txiaj ntsig zoo tshaj plaws, lub teeb hluav taws xob qis sodium yooj yim dua rau siv nyob rau hauv ntau lub zog siv hluav taws xob, tshwj xeeb tshaj yog tsim rau hnub ci txoj kev teeb pom kev teeb pom kev zoo thiab thaj chaw tshwj xeeb xws li toj siab thiab txias. Hom teeb no yog lub teeb nrog lub siab tshaj plaws luminous efficiency.

Lub teeb hluav taws xob sodium tsawg yog lub teeb hluav taws xob siv hluav taws xob uas siv hluav taws xob tsawg sodium vapor (qhov ua haujlwm vapor siab tsis pub dhau ob peb PA) kom tso tawm thiab tsim teeb pom kev zoo. Nws tau tsim nyob rau xyoo 1930. Lub tshuab hluav taws xob tsis tshua muaj siab sodium teeb muaj cov yam ntxwv ntawm lub teeb pom kev zoo, tsis tshua muaj qhov kub thiab txias, lub teeb yuag, kev siv hluav taws xob tsawg thiab lub zog siab, uas tuaj yeem ua kom lub teeb pom kev zoo ntawm lub teeb sodium tsawg. Lub teeb hluav taws xob qis sodium radiates monochromatic daj lub teeb nrog cov xim rendering. Nws yog qhov tsim nyog rau qhov chaw teeb pom kev zoo uas yuav tsum muaj qhov pom kev zoo tab sis tsis muaj xim rendering yuav tsum tau, xws li kev nthuav dav, kev tsheb ciav hlau siab, txoj kev loj, tunnels, txuas hniav, chaw nres nkoj, embankments, freight yards, lub tsev kos npe thiab ntau lub tsev ruaj ntseg thiab tiv thaiv tub sab teeb pom kev zoo. Vim muaj huab cua muaj zog permeability ntawm lub teeb daj, lub teeb no kuj tsim nyog rau kev teeb pom kev hauv thaj chaw pos huab. Yog li ntawd, lub hnub ci tsis tshua muaj siab sodium teeb qhov system yog qhov kev xaiv zoo tshaj plaws rau hnub ci teeb pom kev zoo.

2. Lub teeb siab siab

Kev ua hauj lwm vapor siab ntawm lub siab-siab sodium teeb yog ntau dua 0.01 MPa. Lub teeb hluav taws xob sodium siab yog tsim los ntawm kev pom ntawm qhov tsis zoo ntawm lub teeb hluav taws xob tsawg sodium, xws li muaj zog monochromaticity, tsis muaj xim rendering, thiab lub raj xa dej ntev dhau. Lub teeb hluav taws xob muaj zog sodium tau muab faib ua hom zoo tib yam (tus qauv), nrog rau kev ua haujlwm luminous ntawm 130lm / W thiab xim rendering Performance index RA=25; Cov qauv txhim kho muaj qhov ua tau zoo ntawm 75lm / W thiab xim rendering Performance index RA=60; High xim rendering hom, nrog luminous efficiency ntawm 45-60lm / W thiab xim rendering Performance index RA=80-85. Lub teeb daj yog generated.

Kev kub siab sodium teeb yog tsim los ntawm translucent polycrystalline aluminium oxide (PCA) ceramic arc raj, txheej npuas plhaub, hlau bracket, degassing tus neeg saib xyuas thiab lub teeb lub hau. Lub arc raj yog lub hauv paus ntsiab lus, muaj mercury, sodium thiab inert gas. Thaum lub sij hawm tso tawm, sab hauv sodium vapor siab yog 10-100kpa.

High-pressure sodium teeb muaj cov yam ntxwv ntawm high luminous efficiency, tsawg zog noj, ntev kev pab cuam lub neej, muaj zog pos huab nkag thiab tsis muaj kab attraction. Muaj cov hom dav dav, siab xim rendering hom, siab luminous efficiency hom, qis mercury hom, hom kev ua liaj ua teb, thiab lwm yam. Sodium teeb muaj cov yam ntxwv ntawm lub neej ntev, siab luminous flux, siab luminous efficiency thiab zoo pos huab permeability, uas yog feem ntau siv. nyob rau hauv txoj kev teeb pom kev zoo, dej nyab teeb pom kev zoo, square teeb pom kev zoo, thiab lwm yam.

Lub teeb hluav taws xob muaj zog sodium emits golden dawb lub teeb thaum siv, uas muaj qhov zoo ntawm kev ua haujlwm siab luminous, tsawg zog noj, kev pab lub neej ntev, muaj zog pos huab permeability thiab tsis muaj kab attraction. Nws yog dav siv nyob rau hauv txoj kev, expressways, tshav dav hlau, docks, docks, chaw nres tsheb, squares, txoj kev sib tshuam, industrial thiab mining enterprises, chaw ua si, tshav dav hlau teeb pom kev zoo thiab cog qoob loo. High colour rendering high-pressure sodium teeb yog tsuas yog siv rau kev teeb pom kev zoo hauv gymnasiums, exhibition halls, entertainment centers, department stores, hotels thiab lwm qhov chaw.

Txais tos kom paub ntau ntxiv thiab xa cov lus nug →Khoom Paub meej