Dɛn nti na LED kanea no rehyerɛn na ɔkwan a wɔbɛfa so adi ɔhaw no ho dwuma?

Ɛnyɛ sɛ LED akanea a ɛhyerɛn na ɛhyerɛn no yɛ nea ɛnyɛ dɛ mma aniwa nko, na mmom epira nso. Nea enti a adeyɛ a wɔmpɛ no ba no gyina LED akanea a ɛba fam ne nkɛntɛnso a nneɛma a efi akyi nya no nyinaa so. Sɛnea ɛte biara no, ɛho hia sɛ wuhu nea ɛde flick no ba na woyi fi hɔ.

Nea ɛde flickering ba bere a switch no ayɛ adwuma

Sɛ LED kanea no hyerɛn ntɛm ara bere a woasɔ akyi a, ɛnde ɔhaw bi wɔ wiring mfonini no mu. Nea ɛtaa de LED a ɛhyerɛn no bi ne sɛ wɔmfa nsi hɔ yiye. Sɛ wɔansiesie contacts ne circuit elements no yiye a, ɔhaw ahorow betumi aba bere a ɛreyɛ adwuma no, a flickering ka ho.

Sɛ worebɔ cable no a, susuw polarity no ho – sɛnea kɔla agyiraehyɛde a ɛwɔ nhama no mu te. Sɛ wode akanea resisi adan dedaw mu a, fa multimeter hu phase ne neutral conductors. Sɛ wiring no nyɛ papa a, voltage kakraa bi wɔ circuit no mu a ɛma kanea no hyerɛn.

Bere a wɔasɔ akyi no, ɛnyɛ sɛ LED akanea betumi ayɛ flicker nko, na mmom ɛhyew kɛse nso. Sɛ LED kanea no hyerɛn kakra a, ade a edi kan a ɛsɛ sɛ woyɛ ne sɛ wobɛhwɛ voltage level a ɛwɔ network no mu denam kanea foforo a wode bɛka ho no so.

Voltage a ɛba fam

Sɛ wopɛ sɛ wosusu voltage a ɛwɔ mains no mu a, fa susudua soronko di dwuma – multimeters anaa voltmeters. Sɛ botae bi a ɛwɔ 215-225 V ntam no pue wɔ kyerɛwtohɔ / nsenia no so a, ɛnde biribiara yɛ pɛpɛɛpɛ. Deviations a ɛyɛ 5 V no nyɛ ade titiriw.

Nea ennu 200 V anaa nea ɛboro 230 V kyerɛ sɛ ɔhaw ahorow wɔ mains voltage no ho na ɛhwehwɛ sɛ wodi ho dwuma ntɛmntɛm. Di animdefoɔ no ho nkɔmmɔ – wɔ adan ho adwumayɛbea anaa ahyehyɛdeɛ bi a ɛhwɛ anyinam ahoɔden ntam nkitahodiɛ so. Abenfoɔ bɛsusu na wɔayɛ nsakraeɛ wɔ sɛdeɛ transformer no yɛ adwuma wɔ substation no so.

Sɛ kuw a wosiesie nneɛma no ntumi nhwɛ sɛ ahoɔden no di PUE no ahwehwɛde ahorow so a, ɛho hia sɛ wɔde current limiter anaa voltage stabilizer ka circuit no ho.

Filtration a ɛyɛ adwuma yiye a ɛnnɔɔso

Wɔ Chinafo akanea a ne bo nyɛ den mu, ne ɛtɔ mmere bi a ofie de mu no, wogyina ɔmansin a ɛnyɛ den so na ɛyɛ ofirikafo a ɔyɛ adwumaden. Sɛnea filtering a ɛnnɔɔso no ma LED kanea no hyerɛn:

1. Ofirikafo no wɔ diode bridge D1-D4. A smoothing capacitive filter C2 – Rf no bata ho wɔ ntoatoaso mu ne no. Wɔtew input voltage no so ma ɛyɛ bo a wɔpɛ wɔ resistor-capacitor circuit no mu (quenching resistor Rg ne smoothing capacitor C1).
2. Filter no qualitatively yi residual ripple a current rectified denam diode bridge no so no fi hɔ, sɛ network no wɔ standard voltage a. Nanso bridge no ntumi mma dede a ɛkanyan adwene a ɛma ɛhyerɛn no nyɛ mmerɛw.
3. Wɔ deviation ketewaa bi a ɛwɔ input voltage no mu firi values ​​a wɔakyerɛ no ho – ɛnam steepness a ɛwɔ current-voltage su no mu nti – nsakraeɛ kɛseɛ ba current mu. Eyi ka hann no hyerɛn ntɛm ara.

Wubetumi asiesie tebea no denam filter smoothing factor a wobɛma ayɛ kɛse no so. Esiane sɛ wɔde voltage a ɛkɔ so daa di dwuma wɔ LED ahorow no so nti, wobetumi de capacitor Cd no abɔ circuit no ho wɔ parallel ne smoothing capacitor C1 no mu.

Wɔ mfinimfini kanea mu mpo no, LED kanea ahoɔden a wɔde ma no yɛ draiver a ɛyɛ pɛpɛɛpɛ a ɛwɔ mprempren stabilizer a wɔaka abom (wɔtaa de di dwuma denam pulse-width modulation nhyehyɛe so).

Dimmer ahorow a ɛwɔ hɔ

Mfiase no , wɔyɛɛ dimmer (ɛlɛtrɔnik afiri a ɛma wutumi sesa LED ahorow no ahoɔden / hann) sɛnea ɛbɛyɛ a ɛne akanea a ɛrehyerɛn bɛyɛ adwuma. Ɛnyɛ adwuma yiye wɔ LED akanea ahorow pii ho.

Nea enti a mfiridwuma mu ntawntawdi no ba ne adesoa ahoɔden a ɛba fam koraa no. Dimmer no yɛ rated sɛ bɛyɛ 50 watts, a ɛyɛ kɛse sen LED fixtures dodow no ara.

Mpɛn pii no, sɛ wɔfa dimmer so sɔ akanea no a, ɛhyerɛn ba, na ebetumi ayera bere a wɔama ahoɔden no ayɛ kɛse no. Sɛ wudum dimmer no a, ɛboa ma woyi flicker no fi hɔ. Ɛtɔ mmere bi a, ɛdɔɔso sɛ woremfa afiri no toggle switch no nsi mmeae a ɛyɛ den, anaasɛ wubetumi asesa afiri no afi anim no akɔ akyi.

Kanea a ɛnyɛ papa

LED akanea a ɛrebɔ no betumi ahu anaasɛ onipa aniwa renhu. Nea ɛde ɔhaw no ba ne LED ahoɔden a ɛnyɛ papa, a entumi nsiesie anyinam ahoɔden a wɔasiesie no yiye wɔ ɔkwan a ɛfata so.

Sɛ wohu nkɛntɛnso a ɛte saa da biara da a, ahurututu a ano yɛ den dodo no pira aniwa no. Wɔhwehwɛ sɛ wɔn a wɔyɛ LED akanea no kyerɛ ripple factor wɔ wɔn nneɛma so. Wɔ Russia no, SanPiN na ɛhwɛ saa parameter yi so. Wɔ Chinafo akanea mu no, ɛkorɔn sen gyinapɛn ahorow a wɔabɔ ho dawuru no.

Wobetumi asesa Chinafo akanea no mfiridwuma ho nhyehyɛe ahorow, nanso ɛyɛ den. Mpɛn pii no ɛsɛ sɛ wubue wɔn nnyinaso na wosesa smoothing capacitor no ma ɛyɛ nea ɛyɛ kɛse. Ade titiriw ne sɛ ɛfata wɔ dan no ase.

Dɛn nti na LED kanea no hyerɛn bere a kanea no adum no?

LED akanea no wɔ inertia a ɛba fam koraa. Esiane eyi nti, nsu nketenkete a ɛbɔ denneennen a ɛfa LED ahorow no mu mpo ma kanea no sɔ bere tiaa bi, na sɛ wohu no, ɛte sɛ flash.

Nneɛma a ɛma flickering wɔ off tebea no mu no yɛ soronko, nanso wɔn nyinaa wɔ asɛm koro – mprempren a ɛwɔ LED ahorow no mu no nam circuits a ɛnyɛ nea wɔahyɛ da ayɛ ama eyi so de ma.

Wiring ho haw ahorow

Sɛ kanea no hyerɛn bere a kanea no adum akyi a, hwehwɛ baabi a wɔde phase no bata ho fi distribution block no so: kɔ relay contacts no so anaasɛ LED ahorow no ankasa so. Nea edi kan a wubetumi apaw no teɛ. Sɛ wɔde phase bi bata kanea a ɛbɛtra tumi a ɛkɔ so daa ho a, eyi bɛma ayɛ hyew.

Indicator screwdriver boa ma wohu phase ne zero: kanea no sɔ bere a ɛka phase no. Sɛ wɔde nhama no abɔ mu yiye, na kanea no da so ara rehyerɛn a, hwehwɛ sɛ ebia induced voltage bi wɔ network no mu anaa.

Ɛda adi sɛ anyinam ahoɔden wɔ waya bi a wɔatwa afi anyinam ahoɔden no mu no ba sɛ wɔde nhama foforo a ɛka anyinam ahoɔden no ho si ne nkyɛn a. Wobetumi de nhama ahyɛ ɔfasu no mu. Sɛ wɔde switch a wɔtaa de di dwuma na edi kanea no so, a hann biara nni mu a, ebia ɛho behia sɛ wosakra nhama no.

Tumi nhama a wɔtetew mu a ɛnteɛ

Ɛba sɛ bere a wɔde ofie anyinam ahoɔden nhama reto hɔ no, wɔde nhama gu strobe biako mu esiane sikasɛm nti, bere a sɛnea mmara no kyerɛ no, ɛsɛ sɛ wɔde to akwan horow so. Sɛnea cableling a ɛnteɛ ka kanea a ɛbɔ no:

• Esiane anyinam ahoɔden ntwitwiridii a ɛda anyinam ahoɔden akwan horow ntam nti, sɛ wɔde adetɔfo a wɔwɔ ahoɔden bata ho a, wɔde anyinam ahoɔden bi ba nhama bi a wɔde bata ahoɔden fibea bi ho mu.
• Ɛba sɛ induced current no dɔɔso sɛ ɛbɛbɔ driver capacitors no charge na asɔ LED kanea no bere tiaa bi. Parasitic current kɔ soro sɛ adesoa no kyinkyim sinusoidal AC voltage no a. Eyi kyerɛkyerɛ nea enti a ɛtɔ mmere bi a wɔsɔ LED akanea bere a akanea no adum no mu.

Tebea a wɔaka ho asɛm no yɛ nea ɛtaa ba wɔ sikasɛm nhyehyɛe a wɔde yɛ ofie mfiri a wɔde switching power supplies a ɛwɔ dodow a ɛnnɔɔso a ɛpaapae wɔn mu circuits no mu no ho.

Mfomso ahorow a ɛwɔ nkitahodi mu

Mfonini a ɛwɔ ase hɔ no kyerɛ asɛm bi a ɛtaa ba sɛ wɔansɔ kanea amansin no wɔ ɔkwan a ɛmfata so, na ɛma akanea no hyerɛn:

Nea enti a edi kan a ɛma ɛda adi ne sɛ wɔde nhama a ne bo nyɛ den a ɛwɔ kɔla a ɛbɔ ho ban koro no ara di dwuma, a emu yɛ den sɛ wobehu fase ne zero no.

Ade foforo a ɛde ɔhaw no ba ne nhyehyɛe a ɛne sɛ wɔde phase wire no bɛka switch no ho no a wonni so, a wɔde ama wɔ mfonini no nifa so no. Mpɛn pii no, anyinam ahoɔden ho adwumayɛfo mpo nni saa mmara yi so, efisɛ sɛ wɔde akanea a ɛhyerɛn redi dwuma a, ne bu so no mma nneɛma bɔne biara mfi mu mma.

Sɛ wɔde LED bɔlɔb di dwuma ma kanea , mfomso no ma wonya nokwasɛm a ɛyɛ sɛ ɛwɔ phase bere nyinaa. Leakage microcurrents, a ɛwɔ wiring pa mpo mu no, wɔde nkakrankakra hyɛ driver capacitors no mu, na kanea no sɔ bere tiaa bi.

Kanea bi a ɛwɔ switch no mu

Ɛnnɛ, nkurɔfo ani gye switch ahorow a hann wom ho kɛse. Ɛnyɛ den sɛ wubehu wɔn wɔ sum mu esiane LED a wɔde ahyɛ safe no mu no hyerɛn nti.

Ɛdenam switch no a wɔbɛdan no so no, wɔyɛ circuit a wɔato mu daa. Nsu a ɛho nhia pii a ɛfa ɔmansin no mu mpo betumi agye dimmer capacitor no mu ahoɔden, na sɛ wɔde ba kanea no mu a, ɛma ɛsɔ bere tiaa bi.

Ɔkwan a ɛyɛ mmerɛw a wobɛfa so ayi flicker afi hɔ ne sɛ wubedum. Sɛ wopɛ sɛ wudi ɔhaw no ho dwuma a, enhia sɛ wotɔ nneɛma foforo a wode bɛyɛ adwuma, na mmom twa (twitwa) akyi kanea no ne kanea no ntam nkitahodi no mu kɛkɛ. Frɛw a ɛrehyerɛn no befi hɔ, nanso akyi kanea no nso begyae.

Akanea a ɛnyɛ papa

LED akanea a ɛyɛ papa no bo yɛ den yiye. Wɔn a wɔde di dwuma no pii pɛ sɛ wɔtɔ wɔn mfɛfo a wɔn bo nyɛ den. Nea enye wɔ ho ne sɛ ɛnyɛ papa. Bere a akanea yi reyɛ adwuma no, ebia ɛbɛhyerɛn.

Nea enti a akanea a ɛnyɛ papa no hyerɛn ne capacitors nketewa. Wɔde di dwuma wɔ nneɛma a wɔde yɛ nneɛma a ɛho ka sua mu. Wɔnam diodes no so na ɛma capacitor no charge, na nea efi mu ba ne sɛ flicker pue.

Sɛ wode element a ɛyɛ papa a ɛwɔ draiver a ɛmma hann nhyerɛn gu mu a, ɛboa ma wosiesie tebea no. Nea etwa to no mma akyi kanea no nkɔ LED akanea no so.

Dɛn nti na asiane wɔ LED a ɛrebɔ?

LED akanea a ɛhyerɛn dodo no ka nnipa akwahosan wɔ ɔkwan a enye so na ɛde nneɛma bɔne pii ba. Sɛnea flickering ka nipadua no:

• ɛde dadwen ba;
• ɛka adwene wɔ ɔkwan a enye so;
• ɛma aniwa no ho nyɛ no dɛ na ɛyɛ kusuu;
• ɛma adwumayɛ mu paapae na ɛsɛe;
• ɛtew adwene a wɔde si biribi so no so;
• ɛma ɔbrɛ yɛ kɛse;
• ɛkanyan nna a wontumi nna.

Ɔkwan bɛn so na yebetumi ahu nea ɛde ɔhaw no ba?

Fi ase hwehwɛ nea ɛde flicker no ba denam phase no a wobɛhwɛ so – sɛ ebia saa waya yi abɔ mu yiye anaa. Ɛsɛ sɛ wɔde bata switch contacts no biako ho.

Sɛ wuhu sɛ wɔde anyinam ahoɔden rema akyi kanea no a, eyi ne nea enti a ɛrebɔ. Wubetumi de indicator screwdriver ahwɛ circuit no – obiara betumi ayɛ saa manipulation yi.

Sɛ ɔhaw no kɔ so a:

• sesa switch no kɔ analog a enni akyi kanea;
• fa tumi a ɛko tia ketewaa bi gu mu;
• fa kanea a ɛhyerɛn di dwuma.

Sɛ flickering no san ba a, hwɛ wiring no mu sɛ ebia insulation asɛe, oxidized contacts, cables a ɛwɔ ntam a ɛbɛn, ne nea ɛkeka ho anaa.

Sɛ flickering pue wɔ on gyinabea a switch no a, hwɛ sɛ voltage no gyina pintinn. Sɛ parameters no teɛ a, fa analogue a ɛyɛ papa sesa LED kanea no.

Sɛ LED kanea no hyerɛn a, dɛn na ɛsɛ sɛ meyɛ?

Wobetumi afa akwan horow so adi ɔhaw a ɛyɛ flickering no ho dwuma. Ɛsɛ sɛ anyinam ahoɔden ho nimdefo bi yɛ adwuma a wɔaka ho asɛm wɔ ase hɔ no nyinaa, a ɛde ɔhaw ahorow a wobedi ho dwuma no. Mmɔden a obi ankasa bɔ sɛ ɔbɛyɛ nsakrae wɔ anyinam ahoɔden akwan no mu no betumi ama anyinam ahoɔden no ayɛ tiaa.

Ma diode no nyɛ adwuma

Akanea a ne bo nyɛ den nni mfiri a ɛko tia hann bere a adum no. Ansa na wubedum diode a ɛwɔ switch no mu no, siesie nnwinnade ahorow bi:

• Phillips a ɔyɛ skru-draebɔ;
• pliers a wɔde yɛ ade;
• nhama a wɔde twa nhama;
• voltage mita a ɛma ahoɔden.

Adwuma nhyehyɛe:

1. Ansa na wobɛtwa diode no mu no, yi afiri no ahoɔden fi mu na ama woabɔ wo ho ban afi anyinam ahoɔden a ɛbɛbɔ wo ho ban ho.
2. Fa multimeter susu voltage a ɛwɔ contacts no so no.
3. Yi switch a ɛhyerɛn no fi hɔ. Yi pads no denam twe a wobɛtwe akɔ fam kakra no so.
4. Yi nkɔnsɔnkɔnsɔn a ɛkyekyere switch no ne antennae no. Fa nhama a wɔde twa nhama twa waya a wɔhwehwɛ no.

Tew neutral waya no mu

Sɛ wɔde neutral ne phase wires no bata switch no ho bere koro mu a, wodi ɔhaw a ɛwɔ flickering no ho dwuma ara kwa. Fa kanea bi bata wɔn ho. Nkitahodi nhyehyɛe a ɛyɛ den saa no ma sɛnkyerɛnne no sɔ bere nyinaa, nanso LED kanea no gyae sɛ ɛbɛbɔ.

Nkɔanim tumi a ɛwɔ equalizing capacitor no mu

LED kanea tumi a wɔde ma, a wɔde si input transformer anaa voltage divider akyi no, wɔde di dwuma de siesie sɛnkyerɛnne a ɛsesa no denam capacitor C a ɛma asorɔkye no yɛ mmerɛw no so.

Sɛnea ɛbɛyɛ a ɛbɛtew nkɛntɛnso a ripple nya wɔ rectified sɛnkyerɛnne no su so no, ma equalizing capacitor no bo no nkɔ soro. Nea ɛbɛyɛ na wɔatumi ayɛ eyi no, sɛnea ɛne nea etwa to no hyia no, fa capacitor a ɛto so abien – C1 bata ho.

Ɔhaw no ano aduru foforo wɔ hɔ – sɛ wobɛsesa capacitor no akɔ foforo a ɛwɔ tumi a ɛkorɔn. Nea etwa to no, woahyehye no wo nnyinasoo no nsusuiɛ nko ara – adeɛ titire ne sɛ capacitor foforɔ no hyɛ mu.

Mprempren anohyeto mprempren-dum resistor

Resistor foforo R1 a wɔde ka ho wɔ series LED circuit no mu no ma tumi a wɔde di dwuma ne adesoa mprempren so tew. Eyi ma wɔn hyerɛn no mu yɛ den so tew na ɛma asorɔkye no yɛ mmerɛw.

Sɛnea wobɛtew LED a ɛbɔ so:

1. Tew mprempren a ɛfa HL1-HLn ɔmansin no mu no so 25-30%. Sua voltage drop wɔ adwumayɛ circuit no mu na yɛ akontaabu kakra.
2. Wɔkyerɛ mprempren a ɛfa LED ahorow no mu no sɛnea Ohm mmara kyerɛ. Nim voltage ne resistance R \u003d 1 kOhm, mprempren I \u003d U / R no yɛ mmerɛw sɛ wobehu.
3. Bere a woahu mprempren bo no, tew so bɛyɛ 25% na fa nsusuwii koro no ara R=U/I bu resistance no nyinaa ho akontaa. Twe mfitiaseɛ resistance no firi botaeɛ a wɔahunu no mu na nya botaeɛ a wopɛ R1.
4. Paw resistance no sɛnea tumi a wɔma ho kwan no te. Eyi mma ɔdan no nyɛ hyew dodo, na ebetumi ama ahyew koraa.

Ɔkwan a yɛaka ho asɛm wɔ atifi hɔ no ntumi nyi flashing mfi hɔ koraa, nanso ɛtew so kɛse.

Filter ahorow a wɔayɛ wɔ fie a wɔde bɛka abom

Capacitors ne chokes a wɔde bata ho no betumi ama dede a ɛyɛ den a efi anyinam ahoɔden no mu ba LED kanea no mu no ayɛ mmerɛw yiye. Wɔ karkafo a wɔn ho nyɛ den no fam no, saa ano aduru yi dɔɔso sɛ ebeyi flicker afi hɔ.

Nneɛma a ɛwɔ filter no mu:

1. Wɔboaboa filter a ɛte saa ano sɛ module a ɛyɛ soronko, na afei wɔsɔ no wɔ kanea no anim pɛɛ.
2. Filter no ntumi nsi wɔ LED kanea no ase. Wɔyɛ no wɔ dielectric asɛm bi mu. Wobetumi de ahyɛ baabiara, nanso wɔkamfo kyerɛ sɛ wɔmfa nsi afiri no anim tẽẽ.

Bere bɛn na ɛsɛ sɛ wofrɛ anyinam ahoɔden ho nimdefo?

Ɛho nhia sɛ wofrɛ anyinam ahoɔden ho nimdefo ma ɔde LED kanea no sesa. Nanso, sɛ w’ankasa wuntumi nhu nea ɛde kanea no rebɔ no a, ɛsɛ sɛ woto nsa frɛ no.

Ɔbɛhwɛ nkitahodi no, ahu sɛnea wiring no te, ayɛ adwuma a ɛho hia nyinaa a ɛhwehwɛ sɛ wonya adwumayɛfo nimdeɛ ne kuw pɔtee bi a ɛma wotumi gyina ano.

LED akanea a ɛrehyerɛn no yɛ ɔhaw kɛse ma ahotɔ ne nnipa akwahosan nyinaa. Ɛho hia sɛ wuhu nea ɛde ɔhaw no ba na wusiesie no ntɛm ara sɛnea wubetumi. Nneɛma a ɛyɛ papa a wɔde besisi hɔ ne nhama a wotumi de yɛ adwuma no boa ma akanea anhyerɛn wɔ fie hɔ.