SLKORNgwọta Ọkwọ Ụgbọala Nta Relay

Banyere Slkor:

Slkor bụ isi ụlọ ọrụ na Shenzhen, Guangdong Province, China. Ihe ọhụrụ, usoro ọhụrụ, na ngwaahịa ọhụrụ na-ebute mmepe nke ụlọ ọrụ ahụ. Ndị otu Slkor teknụzụ bụ ndị ọkachamara sitere na Mahadum Yonsei na South Korea na Mahadum Tsinghua dị na China. Ha enwetala usoro mmepụta nke silicon carbide MOSFET nke mba ụwa na teknụzụ diode ike mgbake nke ọgbọ nke ise. Site na ọkwa mbụ ya dị ka ụlọ ọrụ na-emepụta ihe na-enweghị atụ, Slkor abanyela na ụlọ ọrụ jikọtara ọnụ nke na-ejikọta nyocha na mmepe imewe, nrụpụta, ire ahịa na ọrụ nka. Slkor bụ ụlọ ọrụ teknụzụ dị elu nke mba wee nweta asambodo sistemụ njikwa ogo ISO9001 yana asambodo EU dị ka ROHS na REACH.

Slkor nwere ụlọ ọrụ nyocha na mmepe na Busan, South Korea, Beijing na Suzhou, China. A na-eme ọtụtụ n'ime nrụpụta wafer na nkwakọ ngwaahịa na nnwale n'ime China. Isi ụlọ ọrụ dị na Shenzhen nwere ụlọ nyocha na ụlọ nkwakọba ihe etiti. Netwọk mmekọrịta mba ụwa nke ụlọ ọrụ ahụ gbatịrị n'ụwa niile, na-eje ozi ihe karịrị puku ndị ahịa iri n'ụwa niile. Slkor etinyela akwụkwọ maka otu narị ihe nrụpụta nwere ikike ma nye ihe karịrị ụdị ngwaahịa 2000. Ha eguzobela usoro nlekọta zuru oke yana usoro ọrụ na-arụ ọrụ. Site na ezigbo mma yana ọrụ ahaziri ahazi, "SLKOR"Ika enwetala nkwanye ugwu ngwa ngwa, aha na ahịa ahịa. Ngwaahịa Slkor gụnyere diodes, transistors, ngwaọrụ ike dị iche iche, na ibe njikwa ike, nke ekesara n'ime usoro atọ dị mkpa. Ha ewebatala ngwaahịa ọhụrụ dị ka sensọ Hall, ADCs, na BMS. Ụlọ ọrụ ahụ achịkọtala ọtụtụ afọ nke nka nka na MCU pụrụ iche na ibe interface.

1. Ntuziaka ngwa

A na-ejikarị obere relays eme ihe na sistemụ eletrọnịkị iji chịkwaa ngbanwe sekit, ha nwekwara ngwa zuru ebe niile na akụrụngwa ụlọ ọrụ, ngwa na ngwa ụlọ. Obi nke sekit njikwa ọgbara ọhụrụ na-abụkarị ibe kọmputa dịka MCU, DSP na FPGA. Ihe mgbawa isi ndị a enweghị ike nrụpụta zuru oke iji chịkwaa obere relays ozugbo yana enwere ike ịkwọ ya SLKOR's obere transistors BC817-25, BC848B, BC847B, na obere MOSFETs 2N7002E, SL2302S, SL2300, SL3400, SL3402, na Darlington arrays ULN2001D, ULN2003AU.

N'ihe atụ na-esonụ, anyị ga-eji ịnya ụgbọ ala nke obere agba agba agba JQC-3FF/12VDC-1ZS (551) sitere na HF dịka ọmụmaatụ. Igwe mmiri nke relay nwere voltaji nke 12V, voltaji arụ ọrụ nke 9V, voltaji kachasị nke 15.6V, yana nguzogide eriri igwe nke 400Ω. Mgbe ejiri 12V kwadoro ya, eriri igwe dị ugbu a bụ 30mA. N'ebe a, anyị ga-ewebata nhazi nke ịkwọ ụgbọ mmiri na-eji BC848B, SL2302, na ULN2803AS, n'otu n'otu. Na-ewere STM32F030C8T6 MCU dịka ọmụmaatụ, pin IO ọ bụla nwere ike inye oke oke nke 25mA nke ịdọrọ elu ma ọ bụ ịdọrọ ala ugbu a, na njedebe nke ịdọrọ elu ma ọ bụ nkwụsịtụ ugbu a maka ntụtụ IO niile bụ 80mA. Ya mere, mgbe ị na-etinye ntụtụ IO, ekwesịrị inwe oke oke. Uru a na-ahụkarị nke resistor na-agbada ala na-adịghị ike maka pin IO bụ 40KΩ. Mgbe ejiri 3.3V kwadoro, ọ bụrụ na IO pin na-emepụta 8mA nke ugbu a, ọkwa kachasị elu bụ 2.9V, ma ọ bụrụ na IO pin na-adọta 8mA nke ugbu a, ọkwa kachasị elu bụ 0.4V.

2. iji SLKOR BC847B ruo Dn'ụsọ

Voltaji nke mkpokọta-emitter (VCEO) nke transistor BC847B bụ 45V, na onye na-anakọta ugbu a (IC) bụ 100mA. Uru DC dị ugbu a (HFE) sitere na 200 ruo 450, na oke oke saturation nke onye na-anakọta-emitter bụ 600mV. Ụdị ikike ntinye aka (CIB) bụ 9pF.

Mgbe ị na-anya eriri agbagharị agbagharị, transistor na-arụ ọrụ na steeti mbelata (ntọhapụ relay) ma ọ bụ ọnọdụ zuru oke (relay actuation).

N'oge mgbanwe site na relay actuation gaa ntọhapụ, eriri igwe relay na-ewepụta ike electromotive azụ (EMF). A na-ewepụta ike echekwara na eriri igwe site na diode freewheeling (D) na nguzogide eriri igwe. A na-akụdo EMF azụ na mgbada voltaji na-aga n'ihu nke 0.7V n'ofe diode, nke dị ntakịrị karịa voltaji ndakpọ nke transistor, si otú a na-echebe transistor.

Ụkpụrụ nke resistors R1 na R2 na sekit ga-ahụrịrị na transistor na-atụkwasị obi na-abanye na saturation miri emi mgbe ntinye voltaji bụ 2.9V. Na-eche na HFE nke 200 maka transistor BC847B na draịva relay nke 30mA, a na-agbakọ isi ugbu a (IB) dị ka 0.15mA (30mA/200). Iji hụ na saturation miri emi, a na-abawanye ugbu a na 0.3mA. Na-eche na voltaji-emitter (VBE) bụ 0.7V mgbe transistor BC847B juputara yana voltaji mmepụta elu nke STM32F030C8T6 microcontroller (MCU) dịkarịa ala 2.9V, voltaji gafee resistor R1 kwesịrị ịbụ 2.2V.

Agbakwunyere Resistor R2 ka a tụkwasị obi bepụ transistor BC847B n'okpuru ọnọdụ ọjọọ. Mgbe VBE bụ 0.7V, nke ugbu a site na R2 bụ IR2 = 0.7/22 = 0.032mA. Iji hụ na saturation miri emi, ngụkọta ugbu a site na resistor R1 kwesịrị ịbụ IR1=0.3+0.032=0.332mA. Ya mere, ọnụ ahịa nkwụsị kachasị maka R1 bụ R1 = 2.2 / 0.332 = 6.63KΩ. Ịhọrọ R1 dị ka 3.3KΩ na-eme ka o doo anya na transistor BC847B nwere ike ịbanye n'ime saturation miri emi ọbụlagodi na mgbanwe parameter nke akụrụngwa. N'ime saturation miri emi, mgbe ike ọkọnọ bụ 12V, kacha nta relay mbanye voltaji bụ 11.4V, nke zuru ezu iji hụ na a pụrụ ịdabere na ọsọ agba anọ actuation.

Enwere ike ime atụmatụ oge na-agbanwe agbanwe dịka R=R1|R2=2.9KΩ, na RC=2.9KΩ*9pF=26.1pS. Oge usoro mgbanwe dị oke mkpụmkpụ!

Mgbe STM32F030C8T6 MCU na-ewepụta voltaji dị ala, nke kachasị 0.4V, voltaji base-emitter nke transistor BC847B bụ ihe na-erughị 0.4V, na-eme ka mbelata a pụrụ ịdabere na ya maka ntọhapụ relay.

Iji hụ na a pụrụ ịdabere na ya, a na-atụ aro ka ị mee ka ndị na-eme ka ndị na-agbadata adịghị ike (ụkpụrụ 40KΩ) maka ọdụ ụgbọ mmiri I/O ahaziri na ngwanrọ maka STM32F030C8T6 MCU.

3. iji SLKOR SL2302 ka Dn'ụsọ

The SLKOR SL2302 bụ N-ọwa obere akara MOSFET. Okpomọkụ isi iyi ya (VDS) bụ 20V, voltaji isi iyi ọnụ ụzọ (VGS) bụ 12V, yana oke na-eguzogide (RDS(on)) bụ 85mΩ na VGS = 2.5V na ID = 3.1A. Opekempe kacha elu (VGS(th)) maka njikwa ọnụ ụzọ bụ 1.2V, ebe kacha nta bụ 0.65V. Ụdị ikike ntinye aka (CISS) bụ 300pF.

Mgbe STM32F030C8T6 na-ewepụta voltaji dị elu nke dịkarịa ala 2.9V, na-eche R1 = 10KΩ na R2 = 100KΩ, a na-agbakọ voltaji na-akwụ ụgwọ na ọnụ ụzọ SL2302 (VGS D) dị ka (100/(100+10))) 2.9 = 2.64V. Nke a na-achọpụta na SL2302 ka nọ n'ọnọdụ a pụrụ ịdabere na ya nke nduzi saturation dị ukwuu. Mgbe na nnukwu saturation, nguzogide conduction nke SL2302 adịghị elu karịa 85mΩ. N'ịtụnye ọkụ ọkụ 12V, voltaji ọsọ agba anọ dị nso na 12V, nke zuru oke maka ịgbagharị agbagharị a pụrụ ịdabere na ya.

Mgbe STM32F030C8T6 na-ewepụta voltaji dị ala, yana oke voltaji nke 0.4V, voltaji ọnụ ụzọ SL2302 dị ala karịa 0.4V, na-eme ka mbelata nke a pụrụ ịdabere na ya ma na-enye ohere maka ntọhapụ ntụkwasị obi nke relay.

Enwere ike ime atụmatụ oge na-agbanwe agbanwe dịka R = R1 | R2 = 9.1KΩ, yana RC = 9.1KΩ * 300pF = 2.73ns. Oge usoro mgbanwe dị mkpụmkpụ! Mgbe nfefe nfegharị ahụ site na mmegharị gaa na ntọhapụ, eriri igwe na-ewepụta ike electromotive azụ (EMF). A na-ewepụta ike echekwara na eriri igwe site na diode freewheeling (D) na nguzogide eriri igwe. A na-akụdo azụ EMF na mgbada voltaji na-aga n'ihu nke 0.7V gafee diode, nke dị ala karịa voltaji ndakpọ nke MOSFET, si otú a na-echebe ya. Iji hụ na ntụkwasị obi kachasị, a na-atụ aro ka ị mee ka resistor na-adọkpụ ala adịghị ike (ụkpụrụ 40KΩ) maka ọdụ ụgbọ mmiri I/O ahaziri na ngwanro maka STM32F030C8T6.

4. iji SLKOR ULN2803AS ka ịnya ụgbọ ala

SLKOR ULN2803AS bụ onye ọkwọ ụgbọ ala NPN Darlington nwere ọwa asatọ yana diodes freewheeling arụnyere. Ọ bụ adabara ịnya ụgbọ ala multiple obere relays, miniature stepper Motors, solenoids, egosi, wdg Ya kacha mmepụta voltaji bụ 50V, na kacha mkpokọta ugbu a maka otu ọwa bụ 500mA. Ihe kacha elu nke onye na-anakọta-emitter saturation voltaji bụ 1.1V na onye na-anakọta ugbu a nke 100mA, na voltaji ntinye kachasị bụ 2.4V mgbe onye nchịkọta ugbu a na-eduzi na 200mA. Ihe ntinye kachasị ugbu a bụ 1.35mA na voltaji ntinye nke 3.85V, yana ikike ntinye kachasị (CI) bụ 25pF.

A na-eji STM32F030C8T6 dị ka onye isi njikwa, na ọtụtụ n'ime ọdụ ụgbọ mmiri I/O ya nwere ike ibunye ntinye nke ULN2803AS ozugbo. Opekempe mmepụta voltaji dị elu bụ 2.9V, yana voltaji mmepụta ọkwa dị ala bụ 0.4V, nke na-emezu ihe achọrọ maka ịkwọ ụgbọ ala ULN2803AS. Iji meziwanye mgbochi nnyonye anya nke STM32F030C8T6, enwere ike ijikọ ihe mgbochi 560Ω n'usoro n'etiti ọdụ ụgbọ mmiri I/O ya na ntinye nke ULN2803AS. Maka ịkwọ ụgbọ ala obere relays, diodes freewheeling dị n'ime nke ULN2803AS na-enye ikike ịkwọ ụgbọ ala zuru oke, yabụ na ọ dịghị mkpa ịgbakwunye diodes freewheeling ọzọ. Ọ bụrụ na achọrọ ntụkwasị obi dị oke elu, enwere ike ịtinye diodes freewheeling dị iche iche. Oge mgbanwe nke ULN2803AS dị gburugburu 1μs, yana maka ịnya obere relays, ọ dịghị mkpa ịgbakọ ọzọ.

Na-eche na ọ bụ ike 12V, voltaji relay drive kacha nta bụ 10.9V, nke zuru oke maka ịgbalite ịgbagharị agbagharị. Mgbe STM32F030C8T6 na-ewepụta voltaji dị ala, yana oke voltaji nke 0.4V, ULN2803AS nwere ike bepụ ma hapụ relay.

Iji hụ na ntụkwasị obi kachasị, a na-atụ aro ka ị mee ka resistor na-adọkpụ ala adịghị ike (ụkpụrụ 40KΩ) maka ọdụ ụgbọ mmiri I/O ahaziri na ngwanro maka STM32F030C8T6.

SLKOR na-enye ngwaahịa dị elu dị ka silicon carbide (SiC) diodes na SiC MOSFETs, IGBTs, na ọgbọ nke ise ultra-fast mgbake diodes, nke nwere ike gboo mkpa nke ụlọ ọrụ dị ka ụgbọ ala ike ọhụrụ, ngwá ọrụ dị elu, nkwurịta okwu na ike, fotovoltaic ike anyanwụ, ngwá ọrụ ahụike, na ịntanetị mmepụta ihe. SLKOR na-enyekwa ngwaahịa ebumnuche izugbe dịka Schottky diodes, diodes nchebe ESD, na diodes suppression TVS, yana ngwaọrụ ike dị elu.-MOSFET voltaji, ọkara-MOSFET voltaji, na MOSFET dị ala voltaji, thyristors, na Silicon control rectifier SCR, na ibe njikwa ike dị ka LDOs, AC-DC, na ibe DC-DC. Ọzọkwa, SLKOR na-enye ọrụ nkwado dịka sensọ, ngwa ngwa optocouplers, na kristal oscillators maka ngwa dị iche iche na ngwaahịa dị ka smartphones, laptọọpụ, robots, smart homes, IoT, ọkụ ọkụ, ngwaahịa dijitalụ 3C, smart wearables, na IoT.

SLKOR a raara onwe ya nye iji wuo ikpo okwu nke nwere gburugburu ebe obibi, nke mejupụtara, na nke jikọtara ya. Webụsaịtị ụlọ ọrụ ahụ nwere ogidi maka teknụzụ blọọgụ, kọlụm ọkachamara, sngwa, eletrọnịkị blọọgụ, na mgbanwe ụlọ ọrụ. The"SLKOR Technology Lecture Hall" na-eme atụmatụ ịkpọ ndị ọkà mmụta mba ụwa na ndị ọkachamara ka ha nye okwu ihu ọha. A ga-enwe mkparịta ụka nke echiche, mgbanwe agụmakwụkwọ, na oriri nke echiche, na-enye usoro mmụta na nkwurịta okwu maka ndị ọrụ ibe kọmputa. SLKOR na-ejikọtakwa mmụọ nke ịdị n'otu, ịgbalịsi ike, na ọganihu sitere na egwuregwu na omenala ọrụ ya, na-akwado maka ọrụ obi ụtọ na ndụ obi ụtọ. Ụlọ ọrụ ahụ ewepụtala "SLKOR Ndị otu egwuregwu bọọlụ Warriors" ma na-eme mmemme ọdịnala na ntụrụndụ dị iche iche mgbe niile. SLKOR na-akwado omenala ụlọ ọrụ nke "Iguzosi ike n'ezi ihe, Ọganihu, Tenacity, Detail," na ụkpụrụ omume nke izi ezi, imeghe, na imekọ ihe ọnụ, "Emela ndị ọzọ ihe ị na-achọghị ka emere onwe gị" na-arụ ọrụ na ndị na-ebubata, ndị mmekọ ọwa, ndị ahịa, na ndị mmekọ nkwado iji kwalite mmepe ụwa na teknụzụ na ngwaahịa, wee nweta ọhụụ ụlọ ọrụ nke ịghọ onye ndu na ụlọ ọrụ semiconductor.