The ngwa na circuit nke fluorescent oriọna

The fluorescent oriọna (LL) bụ a ìhè isi N'ịbụ electric orùrù na a na-ajụ nke mercury Alụlụụ na inert gas. Nke a na-ewelite-apụghị ịhụ anya ultraviolet ìhè eme na phosphor oyi akwa ntekwasa n'ime iko karama. A na-ahụkarị circuit nke fluorescent oriọna dị arọ bụ a ngwaọrụ akpa arọ (EmPRA).

Device nkọwa na LL

Kasị bọlbụ oriọna mgbe niile nwere a cylindrical udi, ma ugbu a, ọ pụrụ ịbụ na ụdị a mgbagwoju ọgụgụ. Na nsọtụ nke electrodes n'ịnyịnya na ya, structurally metụtara ụfọdụ n'ime gburugburu filament oriọna mere nke tungsten. Ha na-soldered na mkpọ niile dị n'èzí, nke a voltaji na-etinyere.

Gas conductive ajụ n'ime LL nwere a na-adịghị mma na-eguzogide. Ọ na-egosipụta onwe ya na Mbelata nke voltaji n'etiti megidere electrodes na onye na-abawanye nke ugbu a nke a ga-ejedebeghị. Scheme incorporating fluorescent oriọna mejupụtara ballastnik (ịkpagbu), isi nzube nke nke - e kere eke nke a nnukwu voltaji usu maka ya mgbanye. E wezụga na ọ na-gụnyere ke EmPRA Starter - egbukepụ egbukepụ oriọna enịm n'ime ya na abụọ electrodes na inert gas ikuku. Otu n'ime ha na-mere nke bimetal. Na mbụ ala-emeghe electrodes.

The na-arụ ọrụ ụkpụrụ nke LL

The Starter circuit nke fluorescent oriọna na-arụ ọrụ dị ka ndị a.

1. On sekit na-ume, ma ndị mbụ site LL ugbu a abụghị n'ihi na nnukwu na-eguzogide na gburugburu ebe obibi. Site spirals cathode ugbu a na-aga na heats ha. Ọzọkwa, ọ na-na-ọnọ na Starter nke ọkọnọ voltaji bụ zuru ezu iji sitere n'ime na-egbukepụ egbukepụ agbapụta n'ahụ.
2. Mgbe kpo oku Starter kọntaktị site na-agafe ugbu a bimetallic efere closes. Mgbe nke ahụ gasịrị, ndị metal eduzi na-aghọ, na-agbapụta n'ahụ na-kwụsị.
3. The bimetallic electrode cools ala na-emepe na kọntaktị. Mgbe a ịkpagbu ndapụta a elu voltaji usu ruru onwe-inductance, na LL na-amụnyewo.
4. Ọ na-aga site na oriọna ugbu a bụ nke a na-ebelata ka 2 ugboro, dị ka voltaji gafee inductor dara. Ọ bụghị iji na Malitegharịa ekwentị ahụ na Starter kọntaktị nke ịnọgide emeghe n'oge combustion LL.

Atụmatụ nke Nsonye nke luminescent oriọna abụọ arụnyere na otu luminaire,-agụnye iji ihe ha maka a nkịtị ịkpagbu. Ha na-ejikọrọ na usoro, ma ọ bụla oriọna arụnyere na onye yiri Starter.

Na mwepu nke na oriọna bụ gbanyụọ nke abụọ valvụ, ma ọ bụrụ na otu n'ime ha nke na-emezughị.

Mkpa! Na fluorescent oriọna mkpa na-eji pụrụ iche switches. Na gbasara ego obodo ngwaọrụ malite okwukwo bụ nnukwu, na kọntaktị nwere ike ịbụ nnyapade.

Trotul-free fluorescent oriọna Nsonye: schema

N'agbanyeghị ala na-eri, akpa ballasts nwere drawbacks. Ha bụ ndị ihe mere ndị e kere eke nke electronic na sekit na sekit nke mgbanye (ECG).

Olee otú na-agba ọsọ LL na electronic ballasts

Trotul-free Nsonye nke fluorescent oriọna mere site kọmputa akara unit, nke site na a usoro nke voltaji mgbanwe n'oge ha mgbanye.

Uru nke e-drive circuit:

• ekwe omume na-amalite site ọ bụla oge na-egbu oge;
• Anyị na-adịghị mkpa a oke akpa trotul na Starter;
• dịghị buzzing na blinking nēnye ìhè;
• elu luminous arụmọrụ;
• lightness na compactness nke na ngwaọrụ ahụ;
• a ukwuu ndụ.

Modern electronic ballasts nwere a kọmpat size na ala ike oriri. Ha na-akpọ ndị ọkwọ ụgbọala, na-etinye n'ime isi nke kọmpat oriọna. Trotul-free incorporation nke fluorescent oriọna enye ohere iji ihe ot ọkọlọtọ cartridges.

Kọmputa arọ usoro atọghata ihe nwetụ voltaji netwọk 220 na elu ugboro. First LL electrodes na-ewe iwe, na mgbe ahụ nri a elu voltaji. Na elu ugboro arụmọrụ na-ụba na filika na-tutu amama kpamkpam. Scheme Nsonye nke fluorescent oriọna nwere ike inye a oyi mmalite ma ọ bụ a-eji ire ụtọ na-abawanye ihie. Ke akpa idaha, na ime ihe nke electrode ndụ na-budata belata.

The ụba voltaji na electronic circuit na-kere site na oscillation circuit, na-eduga Resonance na oriọna mgbanye. The igba egbe na-ewe ebe nnọọ mfe karịa na oge gboo atụmatụ na ihe akpa trotul. Mgbe ahụ, ka voltaji mbelata ahụ chọrọ uru nke orùrù njigide.

Voltaji rectification a rụrụ site diode akwa, mgbe nke ọ na-larịị ukem ejikọrọ capacitor C _1. Mgbe ejikọta netwọk ozugbo ebubo capacitor C ₄ na oge izu dynistor. Agbaba na ọkara-akwa generator transformer tr ₁ na transistors T ₁ na T _2. Mgbe na-eru 45-50 kHz ugboro na-eme iji Oghere Usoro resonance circuit c C _2, C _3, L _1, jikọọ na electrodes, na oriọna ignites. Atụmatụ a na-nwere a ịkpagbu, ma na dị nnọọ obere akụkụ, ekwe ka ị na-etinye ya na oriọna isi.

Kọmputa arọ nwere na-akpaghị aka-eji na LL dị ka ndị e ji mara ịgbanwe. Mgbe a oge a chọrọ maka eyi oriọna voltaji abawanye maka mgbanye. Na Scheme EmPRA ọ gaghị na-agba ọsọ, na electronic dị arọ bụ ndokwa n'okpuru agbanwe e ji mara na otú enyere ngwaọrụ rụọ ọrụ na ha mma.

The uru nke oge a electronic ballasts ndị dị ka ndị:

• adụ mmalite;
• aku na uba nke ọrụ;
• ichebe electrodes;
• wezụga filika;
• operability na a ala okpomọkụ;
• compactness;
• anwụ ngwa ngwa.

The ọghọm dị elu na-eri na mgbagwoju circuit mgbanye.

Ngwa nke a voltaji multiplier

The usoro na-eme ka o kwe omume na-agụnye akpa LL enweghị ụgbọ dị arọ, ma na-ọkacha mma na-eji ogologo ndụ nke na oriọna. Circuit nke àjà-nsure-si fluorescent oriọna-enye ha ohere na-arụ ọrụ ruo oge ụfọdụ, ma ọ bụrụ na ike adịghị gafere 20-40 watts. Na nke a na filament nwere ike ma na-emebibeghị ma ọ bụ na-afụ. N'ọnọdụ abụọ ahụ, ubiere nke ọ bụla filament dị mkpa iji na-adịghị circuit.

Mgbe idozi na voltaji na-okpukpu abụọ, na oriọna ọkụ elu ozugbo. Capacitors C _1, C ₂ na-ahọrọ na-arụ ọrụ voltaji nke 600 V. ha drawback bụ nnukwu size. The capacitors C _3, C ₄ n'elu mica 1000 V.

LL na-abụghị maka kpọmkwem ugbu a ike ọkọnọ. N'ime oge ahụ, mercury accumulates nso otu n'ime electrodes, na-egbukepụ egbukepụ nke idem emem. Iji weghachite na-agbanwe agbanwe polarity reversing oriọna. Ọ bụ ike ịtọ mgba ọkụ nke mere na ọ na-adịghị gbaa.

Besstarternaya atụmatụ nke Nsonye nke luminescent oriọna

Scheme Starter achọ a ogologo na-ekpo ọkụ na-elu-oriọna. Ke adianade do, ọ bụ mgbe ụfọdụ dị mkpa ịgbanwe. Banyere nke a, ọ dị ihe ọzọ na atụmatụ na kpụ ọkụ n'ọnụ electrodes site abụọ asọfe nke transformer, nke-eme ọrụ nke ndị dị arọ.

Mgbe mgba ọkụ ka nke fluorescent oriọna enweghị Starter, ha kwesịrị RS designation (ngwa ngwa mmalite). Oriọna na Starter igba egbe ga-arụ ọrụ n'ebe a dị ka ogologo dị ka ya electrodes bụ kpụ ọkụ n'ọnụ, na gburugburu ngwa ngwa ọkụ.

Olee otú na-atụgharị na oriọna nsure?

Ọ bụrụ na gburugburu nke iji, LL nwere ike amụnyewo enweghị a voltaji multiplier, iji na-emebu atụmatụ EmPRA. Scheme enyere ndị gwakọtara fluorescent oriọna dịgasị ubé tụnyere ot. N'ihi nke a, ndị Starter capacitor ejikọrọ na usoro isiokwu a, na electrode atụdo bụ mkpụmkpụ-circuited. Mgbe dị a obere mgbanwe oriọna ga-adịru ruo oge ụfọdụ.

ọgwụgwụ

Kere na circuit nke fluorescent oriọna mgbe niile a na-mma n'ebe aku na uba, na-ebelata size ma na-amụba na ọrụ ndụ. Ọ dị mkpa na-erigbu ya, iji ghọta na a dịgasị iche iche nke ụdị nke na-emepụta na ịmata irè ụzọ jikọọ.