Tianhui- imwe yeanotungamira UV LED chip vagadziri uye vatengesi inopa ODM/OEM UV led chip sevhisi kweanopfuura makore makumi maviri nemaviri.

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Chii chinonzi Voltage yeSimba reLED uye Yayo Yekutanga Dhivha Circuit?

2023-01-19

Tianhui

Iwo ekutanga magetsi emagetsi e LED ane marudzi matatu akakosha: low-voltage mabhatiri, solar masero, uye kutaurirana musika magetsi. Hazvina mhosva kuti ndeapi magetsi ekutanga anogamuchirwa, chinodiwa kuti shanduko yemagetsi igutsikane ne LED. Iyi mhando yemagetsi shanduko yedunhu kazhinji inoreva iyo LED drive wedunhu. Mu LED solar power supply system, mabhatiri kana ultra -supercapacitors anodiwa kuchengetedza simba rezuva. Kana kuvheneka husiku, mabhatiri kana supercapacitor anobva aburitswa kuburikidza nemaitiro ekudzora dunhu kuti ape simba redhiraivha ye LED. Kubatana kwesimba rezuva uye simba remhepo uye LED ndiyo yegore rimwe chete inosimudzira ye LED. Ichaunza chiedza kuhurombo uye kumatunhu ari kure enyika yechitatu, uye regai chiedza chine mbiri chegirini chivhenekere makona ese epasi. LED magetsi emagetsi uye yavo yekutanga yekutyaira dhizaini dhizaini 1. LFD mutyairi wedunhu ane yakaderera voltage DC magetsi ekupa 1. Kana iyo yekupinza voltage yakakwira kupfuura iyo LED voltage, kana iyo yekupinza voltage yakakwira kupfuura voltage ye LED kana LED tambo Antihypertensive regulator. (1) Linear regulator linear regulator ndeye DC-DC antihypertensive converter. Mazhinji eiyo linear regulator inogamuchirwa neiyo LED drive dunhu yakaderera -voltage differential regulators (LDO). Masimba ndeokuti hapana kudikanwa kwezvikamu zve inductance, nhamba yezvikamu zvinodiwa idiki, EMI kusabereka kunoitika, uye kudonha kwayo kwevoltage kwakadzikira pane simba rekudzikisa simba pane simba. Nekudaro, zvichienzaniswa neiyo switch -type regulator, kurasikirwa kwesimba kweLDO kuchiri kwakare, uye kugona kwakadzikira. Kana LDO ichityaira 350mA kana pamusoro pesimba re LED tambo, inoda kuwedzerwa neradiator. (2) The switch -voltage voltage (buck) stabilizer inobva pane chinja-mhando antihypertensive regulator yeimwe -chip -specific IC. Mazhinji antihypertensive regulator switching frequency inodarika 1MHz, izvo zvinoita kuti zvekunze zvidiki zvakanyanya. Iyo entangle idiki kwazvo, ine kugona kweinopfuura 90%. Zvisinei, rudzi urwu rwekushandura ruchabereka kushandura ruzha, uye pane dambudziko reEMI. Mufananidzo 1 unoratidza iyo 3WLED inosimudzira drive yedunhu yakavakirwa paZetex ZXSC300. Iyo RCS pano ndiyo magetsi ekufambisa kunzwa kuramba. Pasi pemagetsi ekuisa 6V, ikozvino LED ikozvino inosvika 1.11A.ZXSC300 kugamuchira 5 pini SOT23 kurongedza. Iyo LED magetsi emagetsi uye yekutanga dhiraivha yedhizaini dhizaini parizvino ine akawanda antihypertensive transformers single -chip ICs kushandura switch MOSFET (Q1) uye antihypertensive diode (D1). 2. Kana iyo voltage yekupinda yadzikira pane iyo LED voltage, kana iyo yekuisa voltage yakadzikira pane yakajairika yakanaka voltage voltage ye LED kana tambo ye LED, iyo LED inoda kuwedzera voltage drive circuit. Kune marudzi maviri e-booster converter mumhando mbiri dzinotevera. (1) Direct pressure converter Munharembozha yekutyora mwenje, inductive voltage LED driver driver circuit inowanzoshandiswa. Iyo switch -type inductance boost converter inoshandiswa se LED tambo yeimwe kana anopfuura ma LED ekuumbwa, uye ikozvino ye LED yega yega yakaenzana. Kana paine mugwagwa we LED mutambo ye LED, mamwe ma LED anobuda. Mufananidzo 2 unoratidza inductive voltage LED drive circuit. Tambo ye LED inoumbwa neNSPW500BS mwenje chena Ledled mwenje yeNSPW500BS mhando ye8 Japan Asia Chemical Corporation. Pasi peiyo 4V yekupinza voltage, ikozvino ye LED yega yega inenge 25mA pa LED. Iyo LED magetsi emagetsi uye yayo yekutanga yekutyaira dhizaini dhizaini inowedzera inosimudzira IC, uye switching chubhu inosanganiswa muchip. (2) Switch capacitor (charge pombi) boost converter chinja capacitor voltage voltage converter, kureva pombi yekuchaja. Iyo yakakosha IC yepombi yekuchaja ine yakavakirwa-mukati switch, yakabatana ne1 kana maviri 1 μF's kuchaja capacitor. Pane 1 ×, 1.5 ×2 ×Mumakore achangopfuura, yakaratidza 1.33 ×(4/3 nguva) uye 4 ×model. Kana iyo yakabuda voltage iri pedyo nemagetsi ekupinza, pombi yekubhadhara haifaniri kuwedzera magetsi, kureva, pa 1 ×Muenzaniso. Kana kumanikidzwa kuchidiwa, chinja ku1.5 ×Kana zvimwe zvinhu. Iyo yekuchaja pombi yedunhu inogona kutyaira iyo LED array, kana imwe chete LED.

Chii chinonzi Voltage yeSimba reLED uye Yayo Yekutanga Dhivha Circuit? 1

Munyori: Tianhui - Chirwere chemhepo

Munyori: Tianhui - Vagadziri veUV

Munyori: Tianhui - Mvura yeUV

Munyori: Tianhui - Mhinduro UV LED

Munyori: Tianhui - UV Led diode

Munyori: Tianhui - Vagadziri vezvitoro zveUV Led

Munyori: Tianhui - Moda

Munyori: Tianhui - UV LED

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