Okwanjula
Obadde okimanyi nti obulungi bw’amasannyalaze go busobola okukosa ssente z’amasannyalaze n’enkola y’emirimu? Switching power supplies (SPS) ze ziri ku mutima gw’enkola z’amasannyalaze ez’omulembe naddala nga zikola amaanyi mu byuma nga LED drivers. Mu kiwandiiko kino, tujja kumenya ekyuma ekikyusa amasannyalaze kye ki, engeri gye gakolamu, n’ensonga lwaki kye kigenda okulondebwa mu nkola ezikekkereza amaanyi. Ojja kuyiga engeri y’okulondamu SPS entuufu ku byetaago byo n’okunoonyereza ku nkola yaayo mu makolero ag’enjawulo.
Switching Power Supply kye ki?
Ekintu ekiyitibwa switching power supply (SPS) kye kyuma eky’omulembe ekyakolebwa okukyusa obulungi amaanyi g’amasannyalaze okuva mu ffoomu emu okudda mu ndala. Wadde ng’amasannyalaze ag’ennono gakozesa enkola za layini okukyusa vvulovumenti, amasannyalaze agakyusakyusa gakozesa obukodyo bw’okukyusakyusa mu firikwensi eya waggulu, ne gawa eky’okugonjoola ekikola obulungi era ekitono. Omulimu gwayo omukulu kwe kukyusa amaanyi ga AC (alternating current) okufuuka DC (direct current) power, nga kino kyetaagisa nnyo mu kuwa ebyuma eby’enjawulo omuli ne ddereeva wa LED. Naye okukyusakyusa amasannyalaze nakyo kisobola okutereeza emitendera gya vvulovumenti, oba okugilinnyisa oba okugikka wansi, okusinziira ku byetaago by’enkola eyungiddwa. Enkola eno ey’okukola ebintu bingi efuula SPS ennungi mu mirimu egy’enjawulo, okuva ku byuma by’amasannyalaze eby’omu maka okutuuka ku byuma by’amakolero.
Okwawukanako n’amasannyalaze aga linear, agayonoona amasoboza mu ngeri y’ebbugumu, amasannyalaze agakyusakyusa gamanyiddwa olw’okukozesa amaanyi gaago amangi. Kino kikulu nnyo mu kukola emirimu n’okukekkereza ssente naddala ng’okolagana n’ebyuma nga ddereeva wa LED, nga byesigamye ku kuyingiza amaanyi aganywevu era amalungi okusobola okukola obulungi.
Ekyuma Ekikyusa Amasannyalaze Kikola Kitya?
Enkola y’amasannyalaze agakyusakyusa yeetoolodde okukyusakyusa kwa firikwensi eya waggulu okw’ekitundu ky’ebyuma, ekitera okuba ttansiita. Enkola eno ey’okukyusakyusa kye kisumuluzo ky’obulungi bwayo, kubanga eyamba okufuga okutambula kw’amasoboza nga tefiirwa maanyi matono. Laba engeri enkola eno gy’egenda mu maaso:
1. Okukyusakyusa mu Frequency eya waggulu
Transistor eri munda mu power supply ekyuka mangu wakati wa 'on' state (okukkiriza current okutambula) ne 'off' state (okusalako current flow). Okukyusa kuno kubaawo ku firikwensi eza waggulu ennyo, mu ngeri entuufu mu bbanga lya kilohertz amakumi okutuuka ku bikumi. Frequency y’okukyusakyusa kuno y’esalawo okutwalira awamu obulungi n’omulimu gw’amasannyalaze. Enkola eno ey’okukyusakyusa y’esobozesa amasannyalaze okutambuza obulungi amaanyi ate nga gakendeeza ku kufiirwa kw’amaanyi okubaawo mu masannyalaze aga linear.
2. Current Flow okuyita mu Transformer
Transistor bw'eba mu mbeera ya 'on', current ekulukuta mu transformer, nga voltage level egenda waggulu oba ekendeezebwa okusinziira ku byetaago by'omugugu. Omulimu gwa tulansifooma gwetaagisa nnyo, kuba guyamba okutereeza vvulovumenti okutuuka ku ddaala ettuufu erikozesebwa.
3. Okutereeza n’okugonza
Oluvannyuma lw’amaanyi ga AC okukyusibwa okudda mu ddaala lya vvulovumenti erisaanira, olwo ne gatereezebwa (gakyusibwa ne gafuuka DC). Kino kituukirira nga tukozesa diodes, ezisobozesa akasannyalazo okukulukuta mu ludda lumu lwokka, nga mu ngeri ennungi okukyusa akasannyalazo akakyukakyuka okufuuka akasannyalazo akatereevu. Olwo vvulovumenti ya DC egonza nga tukozesa capacitors ne inductors, ebiyamba okumalawo enkyukakyuka oba ripples mu voltage efuluma.
4. Feedback Loop okusobola okulungamya Voltage
Ekimu ku bikulu ebikwata ku masannyalaze agakyusakyusa ye loopu y’okuddamu, ekakasa nti vvulovumenti efuluma esigala nga tekyukakyuka ne bwe kiba nti vvulovumenti eyingizibwa ekyukakyuka. Enkola y’okuddamu erondoola buli kiseera ebifuluma era n’etereeza enkola y’okukyusa okukuuma omutindo gwa vvulovumenti ogutakyukakyuka. Kino kikulu nnyo naddala ng’okola ku byuma eby’amasannyalaze ebikulu nga ddereeva wa LED, ebyetaagisa amasannyalaze aganywevu era agesigika.
Mu bukulu, okugatta okukyusa amangu, okukyusa vvulovumenti, okutereeza, okugonza, n’okulungamya okuddamu kifuula amasannyalaze agakyusa okukola obulungi ennyo era nga gatebenkedde. Bw’ogeraageranya n’amasannyalaze aga linear, yuniti za SPS zikola ebbugumu ttono ate nga zikozesa amaanyi matono, ekivaako okukendeeza ku nsaasaanya y’emirimu n’okwongera okwesigika. Ebirungi bino bifuula okukyusakyusa amasannyalaze okubeera eky’okulonda ekisinga okwagala okussa amaanyi mu byuma eby’omulembe naddala mu mirimu ng’okutaasa LED ne tekinologiya omulala akwata amaanyi.
5. Lwaki Obulung’amu Kikulu
Obulung’amu obw’amaanyi obw’okukyusakyusa amasannyalaze kikulu nnyo naddala mu nkola za ddereeva wa LED. Amataala ga LED geetaaga amaanyi agatali gakyukakyuka era agesigika okusobola okukola ku ntikko. Nga bakozesa SPS, abakola basobola okukakasa nti baddereeva zaabwe eza LED zikola nga tezifiiriddwa maanyi matono, ekivvuunulwa mu kukola obulungi, okuwangaala okumala ebbanga eddene, n’okusaasaanya amaanyi amatono.
Tekinologiya ono ow’omulembe akyusizza mu mulimu gw’okugaba amasannyalaze, n’awa eky’okuddako ekitono, ekyesigika, era ekikola obulungi okusinga enkola z’amasannyalaze ez’ennono. Ka obe ng’okolagana n’ebyuma by’amakolero eby’amaanyi amangi oba ebyuma ebikozesebwa, amasannyalaze agakyusakyusa gakola kinene nnyo mu kulaba ng’ebyuma byo bifuna amaanyi ge byetaaga awatali kasasiro ateetaagisa.
Lwaki Olondawo Ekyuma Ekikyusa Amasannyalaze?
Okukyusakyusa amasannyalaze kuwa enkizo eziwerako ku masannyalaze ag’ennono, ekigafuula ekifo eky’okugendako mu mirimu egy’enjawulo. Wansi waliwo ezimu ku nsonga enkulu ezikuviirako okulonda SPS.
1. Obulung’amu obw’amaanyi
Omugaso ogusinga obukulu ogw’amasannyalaze agakyusakyusa (switching power supply) bwe bukola obulungi bwago obw’amaanyi. Amasannyalaze ag’ennono aga linear gasobola okwonoona amasoboza agatuuka ku bitundu 50% ge gakyusa ng’ebbugumu. Wabula yuniti za SPS zisobola okukola n’omutindo gw’obulungi ogwa 85% oba okusingawo, ekitegeeza nti zikyusa amaanyi g’amasannyalaze amangi okufuuka amaanyi agakozesebwa era ne zikola ebbugumu ttono.
Okugeza, mu nkola nga okussa amaanyi mu ddereeva za LED, ng’okukuuma amasannyalaze aganywevu kikulu nnyo, obulungi bwa SPS buyamba okukendeeza ku masannyalaze agonoonese, ekivaako byombi okukekkereza ssente n’okwongera ku bulamu bw’emirimu gy’ebitundu.
2. Sayizi n’obuzito obutono
Enkizo endala enkulu ye dizayini entono ey’okukyusakyusa amasannyalaze. Olw’obulungi bwazo obw’amaanyi ne tekinologiya w’okukyusakyusa, yuniti za SPS zisobola okuba entono ennyo ate nga nnyangu okusinga amasannyalaze aga linear. Kino kizifuula ennungi ku byuma awali ekifo ekizibu, gamba nga mu byuma ebikozesebwa n’enkola z’amataala ga LED.
Okusingira ddala, baddereeva za LED, ezeetaaga okuba entono okusobola okutuuka mu bifo ebinywevu ebya dizayini, zeesigamye nnyo ku ffoomu entono ey’okukyusakyusa amasannyalaze. Obuzito obukendedde nakyo kiyamba okwanguyirwa okuteeka n’okukendeeza ku buzito ku nkola y’okussaako.
3. Okukekkereza ku nsaasaanya
Okukyusakyusa amasannyalaze, wadde nga mu kusooka kwa bbeeyi katono, kuwa okukekkereza ku nsaasaanya ey’ekiseera ekiwanvu olw’amaanyi gaago agakekkereza. Olw’okukekkereza amaanyi okweyongedde, abasuubuzi n’abakozesa basobola okuddamu okusaasaanya ssente ennyingi ezaali zisaasaanyiziddwa mu maaso okumala ekiseera. Mu makolero agakozesebwa amasannyalaze amangi, gamba nga mu makolero amanene, amasannyalaze amalungi gasobola okukendeeza ennyo ku ssente z’amasannyalaze.
Okukyusakyusa amasannyalaze nakyo kikendeeza ku bwetaavu bw’enkola endala ez’okunyogoza olw’okuba gakola ebbugumu ettono, ekyongera okukendeeza ku ssente z’okuddaabiriza n’okuziddukanya.
Ebikulu Ebikwata ku Kukyusakyusa Amasannyalaze
Bw’oba olondawo ekyuma ekikyusa amasannyalaze ku nkola yo, kyetaagisa okutegeera ebikulu ebigikwatako. Ebintu bino tebikoma ku kukosa mutindo gwokka wabula era bisalawo engeri amasannyalaze gye gatuukana n’ebyetaago byo ebitongole.
Ekitundu 1: Obulung’amu obw’amaanyi
Obulung’amu obw’amaanyi kye kisinga obukulu mu ngeri y’amasannyalaze agakyusakyusa. Mu SPS, enkola y’okukyusa amasoboza erongoosebwa okuyita mu kukyusakyusa kwa frequency enkulu. N’ekyavaamu, okukyusakyusa amasannyalaze kwonoona amaanyi matono nnyo bw’ogeraageranya n’ebikozesebwa mu layini. Kino kikendeeza ku nsaasaanya y’emirimu era kiyamba mu kuddukanya ebbugumu.
Ku mirimu nga amataala ga LED, ng’amaanyi agatali gakyukakyuka gakulu nnyo, obulungi obw’amaanyi bukakasa nti ekitangaala kisigala nga kinywevu, era ddereeva akola ku mutindo ogw’oku ntikko nga tafiirwa maanyi matono.
Okugereka obulungi |
Ekyokulabirako ky’okukozesa |
Okukekkereza Amasannyalaze (Omwaka) . |
Ebitundu 85% |
Ebitaala bya LED |
Doola 50-100 |
Ebitundu 90% |
Ebikozesebwa mu Makolero |
Doola 500-1,000 |
Ebitundu 95% |
Ebifo eby’okuterekamu amawulire |
$5,000+ |
Ekintu 2: Okulungamya vvulovumenti
Okutereeza vvulovumenti kye kintu ekirala ekikulu mu kukyusakyusa amasannyalaze. Yuniti za SPS zikoleddwa okukuuma vvulovumenti efuluma nga nnywevu, awatali kulowooza ku nkyukakyuka mu vvulovumenti eyingizibwa oba enkyukakyuka mu mugugu. Kino kikulu nnyo ku byuma nga ddereeva wa LED, ebyetaaga amasannyalaze aganywevu era agesigika okwewala okwonooneka n’okukakasa nti bikola bulungi.
Enkola y’okuddamu mu SPS etereeza buli kiseera enkola y’okukyusa, okukakasa nti vvulovumenti efuluma esigala mu bbanga eyagala, ne mu mbeera ez’enjawulo.
Ekitundu 3: Dizayini entono ate nga nnyangu
Nga bwe kyayogeddwako emabegako, enkola entono ey’okukyusakyusa amasannyalaze y’emu ku migaso gyazo emikulu. Enkola y’okukyusakyusa mu ngeri ennungi esobozesa obunene n’obuzito bw’amasannyalaze okukendeezebwa awatali kukosa mutindo gwago. Kino kyetaagisa nnyo mu mirimu egyetaaga amasannyalaze amatono era amatono, gamba nga mu byuma by’amasannyalaze ebikwatibwako n’amataala ga LED.
Okugeza, ddereeva za LED ezikozesebwa mu nkola z’amataala amagezi zitera okwetaaga okuba entono ate nga zitangaala okusobola okutuuka mu bifo ebitonotono awatali kufiirwa kugaba maanyi oba kukola bulungi.
Enkozesa y’amasannyalaze agakyusakyusa mu makolero ag’enjawulo
Amasannyalaze agakyusakyusa gakozesebwa mu makolero ag’enjawulo olw’okwesigamizibwa gaago, okukola obulungi, n’okukola emirimu mingi. Wansi, twetegereza ebimu ku bikozesebwa ebisinga okukozesebwa mu yuniti za SPS.
Ebyuma ebikozesebwa mu byuma bikalimagezi
Amasannyalaze agakyusakyusa gatera okusangibwa mu byuma ebikozesebwa abantu nga ttivvi, laptop, ssimu ez’amaanyi, n’ebikozesebwa mu kuzannya emizannyo. Obutonde bwa tekinologiya wa SPS obutono era obulungi bugifuula ennungi ennyo okussa amaanyi mu byuma ebitonotono ebitambuzibwa ate nga bikendeeza ku maanyi agakozesebwa.
Mu byuma ebikozesebwa mu byuma ebikozesebwa mu LED, yuniti za SPS zikulu nnyo mu kuwa amaanyi aganywevu, agakekkereza amaanyi eri buli kimu okuva ku bbaatule z’ettaala okutuuka ku ttivvi n’enkola z’okusanyusa abantu awaka.
Ebyuma Ebikozesebwa mu Makolero
Mu mirimu gy’amakolero, amasannyalaze agakyusakyusa gakozesebwa okuwa amaanyi agesigika eri enkola nga otoma mu makolero, ebyuma eby’obujjanjabi, n’ebyuma ebizito. Roboti z’amakolero, emisipi egy’okutambuza, n’enkola za PLC (programmable logic controller) zeesigamye ku yuniti za SPS okukakasa nti zikola bulungi.
Obulung’amu bw’okukyusakyusa amasannyalaze bukakasa nti enkola z’amakolero zitambula bulungi era nti amaanyi ageetaagisa gaweebwa obutakyukakyuka. Kino kikendeeza ku budde bw’okuyimirira, kyongera ku bikolebwa, n’okukendeeza ku nsaasaanya y’emirimu.
Yindasitule |
Okusaba |
SPS Model Okuteesa |
Ebyuma ebikozesebwa mu byuma bikalimagezi |
Ttivvi za LED, Ebyuma Ebigezi |
Omusono gwa X-12V |
Ebikozesebwa mu Makolero |
Okukola mu ngeri ey’obwengula mu makolero |
Omusono gwa Y-24V |
Ebikozesebwa mu by'obujjanjabi |
Enkola z’okuzuula obulwadde |
Omusono gwa Z-48V |
Enkola z’okutaasa
Amasannyalaze agakyusakyusa nago gakozesebwa nnyo mu nkola z’amataala naddala mu bitaala ebikozesebwa LED. Okusingira ddala abavuzi ba LED beesigamye ku tekinologiya wa SPS okukyusa amaanyi ga AC mu maanyi ga DC ageetaagisa okutambuza obulungi LED. Obutono n’obulungi bwa yuniti za SPS bituukiridde mu kukozesa amataala ag’omulembe, ng’ekifo kitera okuba ekitono, era okukozesa amaanyi amalungi kye kisinga okukulembezebwa.
Ddereeva za LED ezikozesebwa yuniti za SPS zikakasa nti amataala gasigala nga gaaka era nga ganywevu ate nga gakozesa amaanyi matono okusinga ku nkola z’amataala ez’ekinnansi. Kino kya mugaso nnyo mu bitaala by’amayumba n’eby’obusuubuzi.
Engeri y'okulondamu ekyuma ekikyusa amasannyalaze ekituufu
Bw’oba olondawo ekyuma ekikyusa amasannyalaze ku nkola yo, waliwo ebintu ebikulu ebiwerako by’olina okulowoozaako. Wano waliwo ebiragiro ebikwata ku mutendera ku mutendera okukuyamba okulonda SPS entuufu.
Ebyetaago bya Voltage ne Current
Okusookera ddala, olina okukakasa nti amasannyalaze agakyusakyusa gatuukana n’ebyetaago bya vvulovumenti ne kasasiro mu nkola yo. Okugeza, baddereeva za LED zeetaaga ebipimo bya vvulovumenti ne kasasiro ebitongole okukakasa nti zikola bulungi nga tezitikka nnyo oba okwonoona LED. Nga tonnagula, kakasa nti yuniti ya SPS esobola okukuwa vvulovumenti entuufu ne kasasiro emala ku nkola yo.
Ensonga ya Sayizi ne Ffoomu
Sayizi ne ffoomu nabyo bikulu nnyo okulowoozebwako naddala ku nkola ng’ekifo kitono. Amasannyalaze agakyusakyusa gali mu sayizi ez’enjawulo, okuva ku mmotoka entono ez’ebyuma ebikozesebwa mu byuma ebikozesebwa okutuuka ku yuniti ennene ezikozesebwa mu makolero. Kakasa nti yuniti ya SPS ekwatagana mu kifo ekiriwo mu dizayini yo.
Okusaba |
Voltage & Current (Ensimbi z’Amasannyalaze). |
Okulowooza ku sayizi |
Ebitaala bya LED |
12V-24V, 0.5A-2A nga bwe kiri |
Compact |
Ebikozesebwa mu Makolero |
24V-48V, 5A-10A nga bwe kiri |
Ekinene, Ekizitowa |
Obulung’amu n’okusaasaanya ebbugumu
Lowooza ku bulungibwansi bw’amasannyalaze agakyusa naddala mu mirimu egy’amaanyi. SPS ekola obulungi ejja kukola ebbugumu ettono, ekikendeeze ku bwetaavu bw’enkola endala ez’okunyogoza. Kino kyetaagisa nnyo mu nkola z’okutaasa n’emirimu emirala ng’ebbugumu liyinza okwonoona ebitundu ebiwulikika.
Mu bufunzi
Okukyusakyusa amasannyalaze kifuuse kitundu kikulu nnyo mu nkola z’amasannyalaze n’ebyuma ez’omulembe olw’obulungi bwago, obutono, n’okukendeeza ku nsimbi. Ka kibeere nti amaanyi ga ddereeva za LED, ebyuma by’amakolero, oba ebyuma ebikozesebwa, yuniti za SPS ziwa eky’okugonjoola ekyesigika era ekikekkereza amaanyi mu mirimu egy’enjawulo.
Bw’oba olondawo ekyuma ekikyusa amasannyalaze, kikulu okulowooza ku bintu nga vvulovumenti, kasasiro, sayizi, n’obulungi okukakasa nti kikola bulungi ku nkola yo. Bw’olonda SPS entuufu, osobola okulongoosa enkozesa y’amaanyi, okukendeeza ku nsaasaanya, n’okukakasa nti enkola yo yeesigika okumala ebbanga eddene.
Ekyuma ekikyusa amasannyalaze (SPS) kye kyuma ekikola obulungi era ekikola emirimu mingi ekikozesebwa okukyusa amasannyalaze, mu ngeri entuufu okuva ku AC okudda mu DC, ate nga kitereeza emitendera gya vvulovumenti. Kikola nga kikyusa transistors eza frequency enkulu, ekikendeeza ku kufiirwa kw’amasoboza. Tekinologiya ono wa mugaso nnyo naddala mu kuwa amaanyi LED drivers , okukakasa nti zitebenkedde era nga zikola bulungi. Zhuhai Shengchang Electronics Co., Ltd. egaba eby’okugonjoola ebizibu bya SPS eby’omutindo ogwa waggulu, okutumbula okukozesa amaanyi mu mirimu egy’enjawulo, omuli n’okutaasa kwa LED. Ebintu byabwe biwa okukyusa amaanyi okwesigika era etali ya ssente nnyingi, ekibafuula okulonda okulungi eri ebyuma ebikozesa amaanyi.
Kawuna:
● Bulijjo kakasa ebiragiro bya vvulovumenti ne kasasiro nga tonnalonda masannyalaze agakyusa okukakasa nti gakwatagana n’ebyuma byo.
● Okugezesa n’okuddaabiriza amasannyalaze go agakyusa buli kiseera kijja kukakasa nti ojja kwesigika okumala ebbanga eddene era nga gakola bulungi.
Ebibuuzo ebibuuzibwa
Q: Amasannyalaze agakyusakyusa kye ki?
A: Ekyuma ekikyusa amasannyalaze (SPS) kye kyuma eky’amasannyalaze ekikyusa amaanyi ga AC okudda mu DC ate nga kitereeza bulungi emitendera gya vvulovumenti. Ekola nga ekyusakyusa transistors eza frequency enkulu okukendeeza ku kufiirwa kw’amasoboza.
Q: Amasannyalaze agakyusakyusa gakola gatya ne ddereeva wa LED?
A: Amasannyalaze agakyusakyusa gakakasa nti ddereeva wa LED afuna vvulovumenti enywevu era etakyukakyuka, okulongoosa obulungi n’omulimu gw’enkola z’amataala ga LED.
Q: Birungi ki ebiri mu kukozesa ekyuma ekikyusa amasannyalaze mu kutaasa kwa LED?
A: Amasannyalaze agakyusakyusa gakendeeza ku maanyi ate nga ganywevu bw’ogeraageranya n’enkola ez’ennono, ekigafuula ennungi eri baddereeva ba LED mu kukola amataala.
Q: Nsobola ntya okugezesa omulimu gwa ddereeva wa LED ng’akozesa amasannyalaze agakyusa?
A: Osobola okukozesa ebikozesebwa mu kugezesa baddereeva ba LED okupima akasannyalazo, obulungi, n’omutindo okutwalira awamu, okukakasa nti amasannyalaze gawa ebivaamu ebisinga obulungi ku nteekateeka yo eya LED.
Q: Lwaki nnonze ekyuma ekikyusa amasannyalaze okusinga amasannyalaze aga linear aga baddereeva ba LED?
A: Okukyusakyusa amasannyalaze gakola bulungi ate nga matono, kikendeeza ku kufiirwa amaanyi n’okufulumya ebbugumu, ekigafuula okulonda okulungi okuvuga baddereeva ba LED.
