automatic lights
TRANSCRIPT
-
8/10/2019 automatic lights
1/24
:
Fetr`oubtf`e t` tln pr`inbt
_lfs pr`inbt jfds jt onsfgefeg jeo nxnbutfeg tln jovjebno onvnc`pdnet fe ndhnoono
systnds a`r nenrgy sjvfeg `a strnnt cfglts wftl cfglt onpneofeg rnsfst`r. E`wjojys, ludje
ljs hnb`dn t`` husyjeo ln fs uejhcn t` afeo tfdn nvne t` swftbl tln cfglts wlnrnvnr e`t
enbnssjry. _lfs bje hn snne d`rn naanbtfvncy fe tln bjsn `a strnnt cfglts. _ln prnsnet systnd
fs cfkn, tln strnnt cfglts wfcc hn swftblno `efe tln nvnefeghna`rn tln sue snts jeo tlny wfcc
hn swftblno `aa fe d`refeg jatnr tlnrn fs suaafbfnet cfglt `e tln r`jos. Hut tln jbtujctfdfegs a`r tlnsn strnnt cfglts t` hn swftblno `e jrn wlne tlnrn fs jhs`cutn ojrkenss. Wftl
tlfs, tln p`wnr wfcc hn wjstno up t` s`dn nxtnet. _lfs pr`inbt gfvns tln hnst s`cutf`e a`r
ncnbtrfbjc p`wnr wjstjgn. Jcs` tln djeujc `pnrjtf`e `a tln cfgltfeg systnd fs b`dpcntncy
ncfdfejtno.
Fe `ur pr`inbt wn jrn usfeg COX, wlfbl vjrfns jbb`rofeg t` tln jd`uet `a cfglt ajccfeg `e fts
surajbn, tlfs gfvn je feofbjtf`e a`r us wlntlnr ft fs j ojy/efglttfdn.
Lnrn ft ennos e` djeujc`pnrjtf`e a`r swftblfeg @E`r swftblfeg @AAtln strnnt cfglts. Ft
ontnbts ftsnca wlntlnr tlnrn fs jey enno a`r cfglt `r e`t. Wlne ojrkenss rfsns t` j bnrtjfe
vjcun tlne tln strnntcfglt fs jut`djtfbjccyswftblno @E jeo wlne tlnrn fs `tlnr s`urbn `a
cfglt f.n. ojy tfdn, tln strnnt cfglt gnts @AA. _ln snesftfvnenss `a tln strnnt cfglt bjejc fs t`
hn joiustno js ennono. Fe `ur pr`inbt wn ljvn usno a`ur C.N.Ost` feofbjtn tln strnnt cfglts
& j COX `r ]l`t` Xnsfst`r a`r snesfegtln cfglt fetnesfty. _lfs pr`inbt fs brnjtno fe j sdjcc
sfzn hut tlfs b`ebnpt fs vnry usnauc feonno vnry dubl ennono fe t`ojyscfan. Fa tlfs b`ebnpt
put t` w`rk `e j cjrgnr sbjcn tlne ft bje sjvn e`t `ecy ludje cjh`r hut ft jcs` bje sjvn
prnbf`us jd`uet`a nenrgy tljt fs wjstnofe djeujc `pnrjtf`e `a swftblfeg `a strnnt cfglt.
_lfs onvfbn e`t `ecy hn usno fe strnnt cfglts hut ft bje `ecy hn usno fe Rwftblfeg `a R`cjr
strnnt cfglts, fe swftblfeg `a cjwe cfglt n.t.b & fe vjrf`us `tlnr pcjbns.Enxt pjgns b`etjfes j hrfna fonj jh`ut tln pr`inbt, jh`ut fts b`dp`enets, & usns.
-
8/10/2019 automatic lights
2/24
8
Bfrbuft Ofjgrjd
-
8/10/2019 automatic lights
3/24
2
B@D]@ENE_R ^RNO
B`dp`enet Ontjfcs Zujetfty ]rfbfeg
Hjttnry :]b. 2=/-
6v
Hjttnry Bjp :]b. >/-
Rwftbl :]b. >/-
Wfrns :dt. ?>/-
Xnsfst`rs
W ?7=k :pb. :/-
w :k :pb. :/-
]rnsnt/ _rfddnr :pb. >/-
:==k
COX :]b. >/-
Bjpjbft`r :]b. 8/-
:A 12v
_rjesfst`rs
HB>?7 :]b. 2/-
HB>>7 :]b. 2/-
CNOs ?pb. >/-
Hrnjo H`jro : ]b 7=/-
PPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP_LN _@_JC B@R_ @A _LN ]X@INB_ FR JX@^EO :
-
8/10/2019 automatic lights
4/24
?
W@XKFEG ]XFEBF]CN
_ln Jut`djtfb Rtrnnt Cfglt Rwftblfeg Bfrbuft djfecy usns je COX (Cfglt Onpneonet
Xnsfst`r) t` snesn tln Ruecfglt `r cfglt fetnesfty t` b`etr`c tln bfrbuft. Wn jcc ke`w tljtCOXR rnsfstjebn bljegns fevnrsncy wftl tln fetnesfty `a tln cfglt, dnjes wlne cfglt
fetnesfty gr`ws `r ourfeg ojy tfdn fts rnsfstjebn onbrnjsns & wlne cfglt fetnesfty ajccs `r
ourfeg efglt fts rnsfstjebn febrnjsns.
_ln djfe w`rkfeg prfebfpcn `a tln bfrbuft fs vnry sfdpcn. Wlne cfglt fetnesfty `a cfglt `r
ourfeg ojy tfdn wlne cfglt ajcc `e COX fts rnsfstjebn onbrnjsns & ft jcc`ws burrnet t`
ac`w ar`d COX t` hjttnry & bc`sfeg tln bfrbuft. _lus burrnet o`ns e`t g`ns up t` tln hjsn
`a _:.Js wn jcc ke`w burrnet jcwjys Ac`w Ar`d tln c`wnr rnsfstjebn sl`rtnst pjtl s` tln
djxfdud jd`uet `a burrnet Ac`ws Ar`d tln COX & bc`sns tln bfrbuft ,tlnrn fs e`t
ne`ugl burrnet t` jbtfvjtn tln _rjesfst`r: `r e-p-e trjesfst`r tlus tln bfrbuft o`nset
jbtfvjtn &CNOs o` e`t gc`w. Hut wlne tln cfglt fetnesfty Ajccs ,sjy ourfeg efglt tfdn
wlne tlnrn fs c`w fetnesfty `a cfglt `r tlnrn fs e` cfglt ajccfeg `e COX ,tln COXs
rnsfstjebn febrnjsns & tln burrnet o`nset ac`w tlr`ugl tln COX pjtl tlus ft Ac`ws Ar`d
tln `tlnr pjtl up t` tln trjesfst`r _:.R` wlne burrnet Ac`ws Ar`d tlfs pjtl ft suppcfns
ne`ugl hjsn v`ctjgn a`r w`rkfeg `a trjesfst`r _:.R` wlne _: jbtfvjtns ft suppcfns
rnqufrno engjtfvn typn v`ctjgn (bjusn ft fs E]E trjesfst`r) t` jbtfvjtn tln trjesfst`r _8
(HB>>7)._8 fs j ]E] trjesfst`r , s` wlne ft gnts engjtfvn v`ctjgn t` fts hjsn ft jbtfvjtns ,ftorjws burrnet Ar`d tln hjttnry ftsnca ofrnbtcy jeo suppcfns ft t` tln CNOs &CNOs gc`w.
Wn lnrnhy usno ?hrfglt wlftn CNOcfglts, wlfbl gc`ws fe tln ojrk dnjes fe efglt.
R` fe sfdpcn w`ros wlne fts ojrk COX hnb`dns lfglcy rnsfstfvn & `pp`sns tln burrnet t`
ac`w tlr`ugl ft s` burrnet tjkns `tlnr pjtl tlr`ugl tln trjesfst`r _:, hy jbtfvjtfeg ft, ft
suppcfns engjtfvn hjsn v`ctjgn t` _8 tlus jbtfvjtfeg ft & tlne jatnr gnttfeg rnqufrno hjsn
v`ctjgn _8 jbtfvjtns &orjws burrnet ar`d tln hjttnry ofrnbtcy & suppcfns tln ? CNOs &
CNOs stjrts t` gc`w. Fe sfdpcn tlfs fs l`w tln bfrbuft w`rks. Lnrn tln bjpjbft`r fs usno t`
st`rn tln bljrgn a`r cfttcn hft `a tfdn t` jbtfvjtn `r suppcy tln hjsn v`ctjgn ajstnr t` _: &febrnjsn tln naafbfneby & `pnrjtfeg tfdn `a tln bfrbuft, & ft jcs` lncps t` prnvnet
ofddfeg & c`w gc`w `a CNOs. _ln :==ktrfd p`t `r prnsnt & ?7=krnsfstjebn fs usno fe
snrfns t` b`etr`c tln snesftfvfty `a tln COX & jcs` t` cfdft tln burrnet t` tln hjsn `a _:
tlus sjvfeg tln bfrbuft ar`d lfgl burrnet & tln `tlnr :krnsfstjebn tljt fs usno wftlfe
tln b`ccnbt`r `a _: & hjsn `a _8 fs usno t` sjvn _8 ar`d lfgl jd`uet `a burrnet.
R`, tlfs fs tln djfe w`rkfeg prfebfpcn hnlfeo tln bfrbuft, ontjfc onsbrfptf`e jh`ut tln
b`dp`enets jrn nxpcjfeno hnc`w snrfjccy js usno fe tln bfrbuft.
-
8/10/2019 automatic lights
5/24
>
HXFNA ONRBXF]_F@E H@^_ _LN B@D]@ENE_R ^RNO
:.HJ__NXV9- J hjttnry fs j b`dhfejtf`e `a `en `r d`rn ncnbtr`blndfbjc bnccstljt b`evnrts st`rno blndfbjc nenrgy fet` ncnbtrfbjc nenrgy. _lnrn jrn tw` typns `a
hjttnrfns9 prfdjry hjttnrfns (ofsp`sjhcn hjttnrfns), wlfbl jrn onsfgeno t` hn usno `ebn
jeo ofsbjrono, jeo snb`eojry hjttnrfns (rnbljrgnjhcn hjttnrfns), wlfbl jrn onsfgeno t`
hn rnbljrgno jeo usno ductfpcn tfdns. Ft b`esfst j eudhnr `a v`ctjgn
bnccs.J hjttnry fs j onvfbn tljt b`evnrts blndfbjc nenrgy ofrnbtcy t`
ncnbtrfbjcnenrgy. Ft b`esfsts `a j eudhnr `a v`ctjfb bnccs; njbl v`ctjfb
bncc b`esfsts `a tw` ljca-bnccs b`eenbtno fe snrfns hy j b`eoubtfvn
ncnbtr`cytn b`etjfefeg jef`es jeo bjtf`es. @en ljca-bncc febcuons
ncnbtr`cytn jeo tln ncnbtr`on t` wlfbl jef`es (engjtfvncy bljrgnof`es) dfgrjtn, f.n., tln je`on `r engjtfvn ncnbtr`on; tln `tlnr ljca-bncc
febcuons ncnbtr`cytn jeo tln ncnbtr`on t` wlfbl bjtf`es (p`sftfvncy bljrgno f`es) dfgrjtn,
f.n., tln bjtl`on `r p`sftfvn ncnbtr`on. Fe tln rno`x rnjbtf`e tljt p`wnrs tln hjttnry,
bjtf`es jrn rnoubno (ncnbtr`es jrn joono) jt tln bjtl`on, wlfcn jef`es jrn `xfofzno
(ncnbtr`es jrn rnd`vno) jt tln je`on. _ln ncnbtr`ons o` e`t t`ubl njbl `tlnr hut jrn
ncnbtrfbjccy b`eenbtno hy tln ncnbtr`cytn. R`dn bnccs usn tw` ljca-bnccs wftl ofaanrnet
ncnbtr`cytns. J snpjrjt`r hntwnne ljca-bnccs jcc`ws f`es t` ac`w, hut prnvnets dfxfeg `a
tln ncnbtr`cytns. Njbl v`ctjfb bnccs b`esfst `a tw` ljca bnccs b`eenbtno fe snrfns hy j
b`eoubtfvn ncnbtr`cytn b`etjfefeg jef`es jeo bjtf`e. A`r 6v p`wnr suppcy wn bje usn1pbs :.>v ory bncc hjttnrfns `r `en 6v ory bncc 1A88 typn hjttnrfns. Lnrn wn ljvn usno j
6vory bncc 1A88typn hjttnry.
8.RWF_BL9-Fe ncnbtr`efbs swftbl fs jencnbtrfbjc b`dp`enet tljt bje hrnjkjencnbtrfbjc bfrbuft, fetnrruptfeg tlnburrnet `r ofvnrtfeg ft ar`d
`en b`eoubt`r t` je`tlnr. Rwftbl fs j djeujccy
`pnrjtno ncnbtr`dnbljefbjc onvfbn wftl `en `r d`rn snts
`a ncnbtrfbjc b`etjbts, wlfbl jrn b`eenbtno t` nxtnrejc bfrbufts.Njbl snt `a b`etjbts bje hn fe `en `a tw` stjtns9 nftlnr "bc`sno"
dnjefeg tln b`etjbts jrn t`ublfeg jeo ncnbtrfbfty bje ac`w
hntwnne tlnd, `r "`pne", dnjefeg tln b`etjbts jrn snpjrjtno
jeo tln swftbl fs e`e b`eoubtfeg. _ln dnbljefsd jbtujtfeg tln
trjesftf`e hntwnne tlnsn tw` stjtns (`pne `r bc`sno) bje hn
nftlnr j "t`ggcn" (acfp swftbl a`r b`etfeu`us "`e" `r "`aa") `r "d`dnetjry" (pusl-a`r
"`e" `r pusl-a`r "`aa") typn. J sfdpcn `e-`aa typn swftbl bje hn usno t` swftbl tln
p`wnr suppcy t` j bfrbuft.
http://en.wikipedia.org/wiki/Electrical_componenthttp://en.wikipedia.org/wiki/Electrical_circuithttp://en.wikipedia.org/wiki/Electric_currenthttp://en.wikipedia.org/wiki/Electric_currenthttp://en.wikipedia.org/wiki/Electrical_circuithttp://en.wikipedia.org/wiki/Electrical_component -
8/10/2019 automatic lights
6/24
1
Fe tln sfdpcnst bjsn, j swftbl ljs tw` b`eoubtfvn pfnbns, `atne dntjc, bjccno b`etjbts,
b`eenbtno t` je nxtnrejcbfrbuft, tljt t`ubl t` b`dpcntn (djkn) tln bfrbuft, jeo
snpjrjtn t` `pne (hrnjk) tln bfrbuft. _ln b`etjbt djtnrfjc fs bl`sne a`r fts rnsfstjebn
t`b`rr`sf`e,hnbjusn d`st dntjcs a`rdfesucjtfeg`xfons tljt w`uco prnvnet tln swftbl
ar`d w`rkfeg. B`etjbt djtnrfjcs jrn jcs` bl`sne `e tln hjsfs `ancnbtrfbjcb`eoubtfvfty,ljroenss (rnsfstjebn t` jhrjsfvn wnjr), jeo dnbljefbjc strnegtl, c`w b`st
jeo c`w t`xfbfty. R`dntfdns tln b`etjbts jrn pcjtno wftl e`hcn dntjcs. _lny djy
hnonsfgeno t` wfpn jgjfest njbl `tlnr t` bcnje `aa jey b`etjdfejtf`e.
E`edntjccfbb`eoubt`rs, subl js b`eoubtfvn pcjstfb, jrn s`dntfdns usno. _` prnvnet
tln a`rdjtf`e `a fesucjtfeg `xfons, j dfefdud wnttfeg burrnet djy hn spnbfafno a`r j
gfvne swftbl onsfge.
_ln tnrds p`cnjeo tlr`wjrn jcs` usno t` onsbrfhn swftbl b`etjbt vjrfjtf`es. _ln
eudhnr `a "p`cns" fs tln eudhnr `a snpjrjtn bfrbufts wlfbl jrn b`etr`ccno hy j swftbl.A`r nxjdpcn, j "8-p`cn" swftbl ljs tw` snpjrjtn fonetfbjc snts `a b`etjbts b`etr`ccno hy
tln sjdn ke`h. _ln eudhnr `a "tlr`ws" fs tln eudhnr `a snpjrjtn p`sftf`es tljt tln
swftbl bje jo`pt. J sfegcn-tlr`w swftbl ljs `en pjfr `a b`etjbts tljt bje nftlnr hn
bc`sno `r `pne. J o`uhcn-tlr`w swftbl ljs j b`etjbt tljt bje hn b`eenbtno t` nftlnr `a
tw` `tlnr b`etjbts; j trfpcn-tlr`w ljs j b`etjbt wlfbl bje hn b`eenbtno t` `en `a
tlrnn `tlnr b`etjbts, ntb. Wlne usno wftl djfes ncnbtrfbfty tlfs typn `a swftbl dust hn
fe tln cfvn wfrn t` fs`cjtn tln bfrbuft fddnofjtncy, hut ft fs hnttnr t` usn j R]R_ (Rfegcn
]`cn Rfegcn _lr`w) swftbl t` fs`cjtn h`tl p`sftfvn jeo engjtfvn b`eenbtf`es. R` wn
lnrhy usno j R]R_typn swftbl t` fs`cjtn tln bfrbuft ar`d hjttnry.
2.]XNRN_9- J trfddnr`r prnsntfs j dfefjturn joiustjhcn ncnbtrfbjc b`dp`enet. Ftfs dnjet t` hn snt b`rrnbtcy wlne festjccno fe s`dn onvfbn, jeo envnr snne `r joiustno
hy tln onvfbn's usnr. Xnsfst`rs jrn `en `a tln d`st b`dd`e
ncnbtr`efb b`dp`enets. J rnsfst`r fs j onvfbn tljt cfdfts, `r rnsfsts
burrnet. _ln burrnet cfdftfeg jhfcfty `r rnsfstjebn fs dnjsurno fe
`lds, rnprnsnetno hy tln Grnnk sydh`c @dngj(). Qjrfjhcn
rnsfst`rs `r prnsnts (jcs` bjccno p`tnetf`dntnrs `r iust p`ts `rbjccno trfd p`ts) jrn rnsfst`rs tljt ljvn j vjrfjhcn rnsfstjebn. V`u
joiust tln rnsfstjebn hy turefeg j sljat. _lfs sljat d`vns j wfpnr
jbr`ss tln jbtujc rnsfst`r ncndnet. Hy bljegfeg tln jd`uets `a rnsfst`r hntwnne tln
wfpnr b`eenbtf`e jeo tln b`eenbtf`e (s) t` tln rnsfst`r ncndnet, y`u bje bljegn tln
rnsfstjebn. V`u wfcc `atne snn tln rnsfstjebn `a rnsfst`rs wrfttne wftl K(kfc` `lds)jatnr
tln eudhnr vjcun. _lfs dnjes tljt tlnrn jrn tljt djey tl`usjeos `a `lds. A`r
nxjdpcn, :K fs :=== `ld, 8K fs 8=== `ld, 2.2K fs 22== `ld, ntb. V`u djy jcs` snn tln
suaafx D(dngj `lds). _lfs sfdpcy dnjes dfccf`e. Xnsfst`rs jrn jcs` rjtno hy tlnfr p`wnr
ljeocfeg bjpjhfcfty. _lfs fs tln jd`uet `a lnjt tln rnsfst`r bje tjkn hna`rn ft fsonstr`yno. _ln p`wnr bjpjhfcfty fs dnjsurno fe W (wjtts) B`dd`e wjttjgns a`r
http://en.wikipedia.org/wiki/Electric_circuithttp://en.wikipedia.org/wiki/Corrosionhttp://en.wikipedia.org/wiki/Electrical_insulationhttp://en.wikipedia.org/wiki/Oxidehttp://en.wikipedia.org/wiki/Electrical_conductivityhttp://en.wikipedia.org/wiki/Electrical_conductivityhttp://en.wikipedia.org/wiki/Designhttp://en.wikipedia.org/wiki/Electrical_conductorhttp://en.wikipedia.org/wiki/Electrical_conductorhttp://en.wikipedia.org/wiki/Designhttp://en.wikipedia.org/wiki/Electrical_conductivityhttp://en.wikipedia.org/wiki/Electrical_conductivityhttp://en.wikipedia.org/wiki/Electrical_conductivityhttp://en.wikipedia.org/wiki/Oxidehttp://en.wikipedia.org/wiki/Electrical_insulationhttp://en.wikipedia.org/wiki/Corrosionhttp://en.wikipedia.org/wiki/Electric_circuit -
8/10/2019 automatic lights
7/24
7
vjrfjhcn rnsfst`rs jrn :/
-
8/10/2019 automatic lights
8/24
?7 wlfbl gnts p`sftfvn bljrgn t` tln hjsn jatnr tlnrn
fs c`w fetnesfty `a cfglt & ft jbtfvjtns & stjrt orjwfeg
ncnbtr`es tlr`ugl ndfttnr & suppcfns ft tlr`ugl
b`ccnbt`r t` _8s hjsn.
W`rkfeg ]rfebfpcn @a j ]-E-] _rjesfst`r9-
_ln ]E] trjesfst`r w`rks nssnetfjccy tln sjdn js tln E]E trjesfst`r. L`wnvnr, sfebn
tln ndfttnr, hjsn, jeo b`ccnbt`r fe tln ]E] trjesfst`r jrn djon `a djtnrfjcs tljt jrn
ofaanrnet ar`d tl`sn usno fe tln E]E trjesfst`r, ofaanrnet burrnet bjrrfnrs ac`w fe tln
]E] ueft. _ln dji`rfty burrnet bjrrfnrs fe tln ]E] trjesfst`r jrn l`cns. _lfs fs fe
b`etrjst t` tln E]E trjesfst`r wlnrn tln dji`rfty burrnet bjrrfnrs jrn ncnbtr`es. _`
supp`rt tlfs ofaanrnet typn `a burrnet (l`cn ac`w), tln hfjs hjttnrfns jrn rnvnrsno a`r tln
]E] trjesfst`r. J typfbjc hfjs sntup a`r tln ]E]
trjesfst`r fs sl`we fe afgurn.E`tfbn tljt tln pr`bnourn usno njrcfnr t` pr`pnrcy
hfjs tln E]E trjesfst`r jcs` jppcfns lnrn t` tln
]E] trjesfst`r. _ln afrst cnttnr (]) fe tln ]E]
snqunebn feofbjtns tln p`cjrfty `a tln v`ctjgn
rnqufrno a`r tln ndfttnr (p`sftfvn), jeo tln
snb`eo cnttnr (E) feofbjtns tln p`cjrfty `a tln hjsn
v`ctjgn (engjtfvn). Rfebn tln hjsn-b`ccnbt`r
iuebtf`e fs jcwjys rnvnrsn hfjsno, tlne tln
`pp`sftn p`cjrfty v`ctjgn (engjtfvn) dust hn usno
a`r tln b`ccnbt`r. _lus, tln hjsn `a tln ]E]
trjesfst`r dust hn engjtfvn wftl rnspnbt t` tln
ndfttnr, jeo tln b`ccnbt`r dust hn d`rn engjtfvn tlje tln hjsn. Xndndhnr, iust js fe
tln bjsn `a tln E]E trjesfst`r, tlfs ofaanrnebn fe suppcy v`ctjgn fs enbnssjry t` ljvn
burrnet ac`w (l`cn ac`w fe tln bjsn `a tln ]E] trjesfst`r) ar`d tln ndfttnr t` tln
b`ccnbt`r. Jctl`ugl l`cn ac`w fs tln prno`dfejet typn `a burrnet ac`w fe tln ]E]
trjesfst`r, l`cn ac`w `ecy tjkns pcjbn wftlfe tln trjesfst`r ftsnca, wlfcn ncnbtr`es ac`w fe
tln nxtnrejc bfrbuft. L`wnvnr, ft fs tln fetnrejc l`cn ac`w tljt cnjos t` ncnbtr`e ac`w fetln nxtnrejc wfrns b`eenbtno t` tln trjesfst`r.
-
8/10/2019 automatic lights
21/24
8:
Lnrn wn ljvn usno ]E] trjesfst`r tljt fs HB>>7 t` suppcy tln rnqufrno v`ctjgns t`
CNOs. Wlne tlnrn fs c`w fetnesfty `a cfglt `r pr`pnr ojrkenss _8(HB>>7) gnts engjtfvn
v`ctjgn `r g``o t` sjy ncnbtr`e suppcy ar`d _: t` fts hjsn & fts ndfttnr hjsn iuebtf`e fs
a`rwjro hfjsno & hjsn b`ccnbt`r iuebtf`e fs rnvnrsn hfjsno tlr ugl CNOs. R` ft stjrts t`
orjw p`sftfvn bljrgn ar`d hjttnrfns tlr`ugl ndfttnr & suppcfns ft t` b`ccnbt`r tlusgc`wfeg jcc tln CNOs.
Jppcfbjtf`es & usns9- _ln trjesfst`r's c`w b`st, acnxfhfcfty jeo rncfjhfcfty ljvndjon ft j uhfquft`us onvfbn. _rjesfst`rfzno dnbljtr`efb bfrbufts ljvn rnpcjbno
ncnbtr`dnbljefbjc onvfbns fe b`etr`ccfeg jppcfjebns jeo djblfenry. Ft fs `atne njsfnr
jeo blnjpnr t` usn j stjeojro dfbr`b`etr`ccnr jeo wrftn j b`dputnr pr`grjd t` bjrry
`ut j b`etr`c auebtf`e tlje t` onsfge je nqufvjcnet dnbljefbjc b`etr`c auebtf`e.
_ln trjesfst`r fs usno fe jdpcfafnr bfrbuft, stjeojro b`dd`e-ndfttnr
b`eafgurjtf`e.Rfdpcn bfrbuft usfeg j trjesfst`r. _ln nssnetfjc usnaucenss `a j trjesfst`r
b`dns ar`d fts jhfcfty t` usn j sdjcc sfgejc jppcfno hntwnne `en pjfr `a fts tnrdfejcs t`
b`etr`c j dubl cjrgnr sfgejc jt je`tlnr pjfr `a tnrdfejcs. _lfs pr`pnrty fs bjccno "gjfe".
J trjesfst`r bje b`etr`c fts `utput fe pr`p`rtf`e t` tln feput sfgejc; tlfs fs bjccno je
"jdpcfafnr". @r, tln trjesfst`r bje hn usno t` ture burrnet `e `r `aa fe j bfrbuft cfkn je
ncnbtrfbjccy b`etr`ccno "swftbl", wlnrn tln jd`uet `a burrnet fs ontnrdfeno hy `tlnr
bfrbuft ncndnets. _ln trjesfst`r fs jcs` usno js swftbl fe vjrf`us kfeos `a bfrbufts ft jcs`
usno js jdpcfafnr, arnquneby gnenrjt`r, jeo wjvn gnenrjt`r fe vjrf`us bfrbufts.Lnrn wn ljvn usno tw` trjesfst`rs, `en fs HB>?7 (E]E)& `tlnr `en fs HB>>7 (]E]).
_lnsn tw` trjesfst`rs usno js swftbl lnrn, _: tljt fs HB>?7fs j E]Etrjesfst`r s` wlne
ft fs ojrk ft gnts v`ctjgn jt fts hjsn tljt fs p`sftfvn & fts ndfttnr fs b`eenbtno t` engjtfvn
p`cn `a hjttnry. R` tln Hjsn Ndfttnr Iuebtf`e fs a`rwjro hfjsno s` ft stjrts b`eoubtfeg
ncnbtr`es & ft suppcfns ncnbtr`es tlr`ugl b`ccnbt`r t` tln hjsn `a _8 tljt fs
HB>>7(]E])._8s Hjsn ndfttnr iuebtf`e fs a`rwjro hfjsno hut hjsn b`ccnbt`r iuebtf`e fs
rnvnrsn hfjsno tlr`ugl CNOs. R` wlne ft gnts engjtfvn hjsn v`ctjgn s` ft stjrts b`eoubt
l`cns tljt fs pr`t`es `r p`sftfvn bljrgn tlr`ugl ndfttnr t` b`ccnbt`r & CNOs jrn
b`eenbtno t` fts b`ccnbt`r s` tlny gnt p`sftfvn bljrgn tlne tln stjrts t` gc`w. R` cfkntlfs `en trjesfst`r fs usno js j swftbl t` jbtfvjtn tln `tlnr `en.
-
8/10/2019 automatic lights
22/24
88
Wlne j cfglt-ndfttfeg of`on fs a`rwjro-hfjsno (swftblno `e), ncnbtr`es jrn jhcn t`
rnb`dhfen wftl ncnbtr`e l`cns wftlfe tln onvfbn, rncnjsfeg nenrgy fe tln a`rd `a
pl`t`es. _lfs naanbt fs bjccno
ncnbtr`cudfensbnebnjeo tln b`c`ur `a tln
cfglt (b`rrnsp`eofeg t` tln nenrgy `a tlnpl`t`e) fs ontnrdfeno hy tln nenrgy gjp `a
tln sndfb`eoubt`r. CNOs jrn `atne sdjcc fe
jrnj (cnss tlje : dd8), jeo fetngrjtno
`ptfbjc b`dp`enets djy hn usno t` sljpn
fts rjofjtf`e pjttnre. CNOs prnsnet djey
jovjetjgns `vnr febjeonsbnet cfglt s`urbns
febcuofeg c`wnr nenrgy b`esudptf`e,
c`egnr cfantfdn, fdpr`vno r`hustenss,
sdjccnr sfzn, jeo ajstnr swftblfeg. CNOs p`wnrauc ne`ugl a`r r``d cfgltfeg jrn rncjtfvncy
nxpnesfvn jeo rnqufrn d`rn prnbfsn burrnet jeo lnjt djejgndnet tlje b`dpjbt
acu`rnsbnet cjdp s`urbns `a b`dpjrjhcn `utput.
_ln burrnet/v`ctjgn bljrjbtnrfstfb `a je CNO fs sfdfcjr t` `tlnr of`ons, fe tljt tln
burrnet fs onpneonet nxp`enetfjccy `e tln v`ctjgn. _lfs dnjes tljt j sdjcc bljegn fe
v`ctjgn bje bjusn j cjrgn bljegn fe burrnet. Fa tln djxfdud v`ctjgn rjtfeg fs nxbnnono
hy j sdjcc jd`uet, tln burrnet rjtfeg djy hn nxbnnono hy j cjrgn jd`uet, p`tnetfjccy
ojdjgfeg `r onstr`yfeg tln CNO. _ln typfbjc s`cutf`e fs t` usn b`estjet-burrnet p`wnr
suppcfns, `r orfvfeg tln CNO jt j v`ctjgn dubl hnc`w tln djxfdud rjtfeg.
@pnrjtf`e9- J cfglt-ndfttfeg of`on (CNO) fs j of`on tljt gfvns `aa vfsfhcn cfglt wlnea`rwjro hfjsno. Wlne cfglt ndfttfeg of`on fs a`rwjro hfjsno tln ncnbtr`es ar`d tln e-
typn djtnrfjcs br`ss tln pe iuebtf`e jeo rnb`dhfen wftl l`cns fe tln p typn djtnrfjc.
Xnbjcc tljt tlnsn arnn ncnbtr`es jrn fe tln b`eoubtf`e hjeo jeo jt j lfglnr nenrgy cnvnc
tlje tln l`cns fe tln vjcnebn hjeo. Wlne rnb`dhfejtf`e tjkns pcjbn, tln rnb`dhfefeg
ncnbtr`es rncnjsn nenrgy fe tln a`rd `a lnjt jeo cfglt. Fe Gnrdjefud jeo Rfcfb`e of`ons
jcd`st tln netfrn nenrgy fs gfvn up fe tln a`rd `a lnjt jeo ndfttno cfglt fs fe sfgefafbjet.
L`wnvnr, fe djtnrfjcs cfkn gjccfud jrsnefon, tln eudhnrs `a pl`t`es `a cfglt nenrgy fssuaafbfnet t` pr`oubn quft fetnesn vfsfhcn cfglt.
Jovjetjgns9- _ln cfglt-ndfttfeg of`on (CNO) fs j s`cfo stjtn cfglt s`urbn. CNOs ljvnrnpcjbno febjeonsbnet cjdps djey jppcfbjtf`es hnbjusn tlny ljvn tln a`cc`wfeg
jovjetjgns9
:. C`w B`st
8. C`egnr cfan (d`rn tlje 8= ynjrs).
2. Ajst `e-`aa swftblfeg _fdn.
?. C`w ]`wnr B`esudptf`e.
-
8/10/2019 automatic lights
23/24
82
Jppcfbjtf`es & ^sns9-
_ln CNO fs j c`w-p`wnr onvfbn ._ln p`wnr rjtfeg `a j CNO fs `a tln `ronr `a dfcc wjtts.
_lfs dnjes tljt ft fs usnauc js je feofbjt`r hut e`t g``o a`r fccudfejtf`e. ]r`hjhcy tln
tw` d`st b`dd`e jppcfbjtf`es a`r vfsfhcn CNOs jrn (:) js j p`wnr feofbjt`r (8) snvne-
sngdnet ofspcjys.Lnrn wn ljvn usno j t`tjc `a a`ur CNOs fe snrfns-pjrjccnc b`eenbtf`e t` Xnprnsnet Rtrnnt
cfglts.
6.HXNJO H@JXO9-J Hrnjoh`jro fs usno t` hufco jeo tnst bfrbufts qufbkcy hna`rn afejcfzfeg jey bfrbuft
onsfge. _ln hrnjo h`jro ljs djey l`cns fet` wlfbl bfrbuft b`dp`enets cfkn FBs jeo
Xnsfst`rs n.t.b. bje hn fesnrtno.
_ln hrnjo h`jro ljs strfps `a dntjc wlfbl
rue ueonrenjtl tln h`jro jeo b`eenbt
tln l`cns `e tln t`p `a tln h`jro. E`tn
tljt tln t`p jeo h`tt`d r`ws `a l`cns jrn
b`eenbtno l`rfz`etjccy wlfcn tln
rndjfefeg wl`cns jrn b`eenbtno
vnrtfbjccy.
_` usn tln hrnjo h`jro, tln cngs `a b`dp`enets jrn pcjbno fe tln l`cns. Njbl snt `a
l`cns b`eenbtno hy j dntjc strfp ueonrenjtl a`rds j e`on. J e`on fs j p`fet fe j bfrbuft
wlnrn tw` b`dp`enets jrn b`eenbtno. B`eenbtf`es hntwnne ofaanrnet b`dp`enetsjrn a`rdno hy puttfeg tlnfr cngs fe j b`dd`e e`on.
_ln c`eg t`p jeo h`tt`d r`w `a l`cns jrn usujccy usno a`r p`wnr suppcy b`eenbtf`es.
_ln rnst `a tln bfrbuft fs hufct hy pcjbfeg b`dp`enets jeo b`eenbtfeg tlnd t`gntlnr
wftl iudpnr wfrns. FBs jrn pcjbno fe tln dfoocn `a tln h`jro s` tljt ljca `a tln cngs jrn
`e `en sfon `a tln dfoocn cfen jeo ljca `e tln `tlnr. Lnrn fe `ur pr`inbt wn ljvn usno
Hrnjo h`jro js ft fs njsy t` usn, b`evnefnet, & g``o t` sl`w & ueonrstjeo pr`inbts. Hut
ft fs e`t rnb`ddneono a`r b`ddnrbfjc usn.
-
8/10/2019 automatic lights
24/24
Xnanrnebns
H``ks _ljt Lncpno ^s9-
]rfebfpcn @a Ncnbtr`efbs Hy H.C _lnrjij
Feoustrfjc Ncnbtr`efbs & B`etr`c Hy Hfswjejtl ]juc
Je Fetngrjtno B`ursn Fe Ncnbtrfbjc Negfennrfeg Hy I.H Guptj
Feoustrfjc Ncnbtr`efbs Hy R.E Hfswjs
Rpnbfjc _ljeks _`_ln Ncnbtr`efbs A`r V`u (NAV) Djgjzfen
Wnhsftns _ljt Ruppcfno _ln B`etnets & Gfvn Fonjs9-
www.wfkfpnofj.`rg
www.wfkfjeswnrs.b`d
www.yjl``jeswnrs.b`d
www.jeswnrs.b`d
www.l`wstuaaw`rks.b`dRpnbfjc _ljeks _` _ln Rnjrbl Negfen Gfjet www.g``gcn.b`d t`
Ruppcy ^s Xnqufrno Fea`rdjtf`e & ]fbturns.
_L EK V@^
http://www.wikipedia.org/http://www.wikipedia.org/http://www.wikianswers.com/http://www.wikianswers.com/http://www.yahooanswers.com/http://www.yahooanswers.com/http://www.answers.com/http://www.answers.com/http://www.howstuffworks.com/http://www.howstuffworks.com/http://www.google.com/http://www.google.com/http://www.howstuffworks.com/http://www.answers.com/http://www.yahooanswers.com/http://www.wikianswers.com/http://www.wikipedia.org/