Saukewa: CET-DQ601B

CET-DQ601B Charge Amplifier

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Saukewa: CET-DQ601B
caji amplifier ne mai tashar cajin amplifier wanda ƙarfin fitarwa ya yi daidai da cajin shigarwa.An sanye shi da na'urori masu auna firikwensin piezoelectric, yana iya auna haɓakawa, matsa lamba, ƙarfi da sauran adadin abubuwa na inji.Ana amfani da shi sosai wajen kiyaye ruwa, wutar lantarki, hakar ma'adinai, sufuri, gini, girgizar kasa, sararin samaniya, makamai da sauran sassan.Wannan kayan aikin yana da halaye masu zuwa.

1) .Tsarin yana da ma'ana, an inganta yanayin da'irar, ana shigo da manyan abubuwan da aka haɗa da masu haɗawa, tare da babban madaidaici, ƙaramar ƙararrawa da ƙananan ɗigon ruwa, don tabbatar da ingantaccen ingantaccen ingancin samfurin.
2).Ta hanyar kawar da shigarwar attenuation na daidai ƙarfin ƙarfin shigarwar na USB, za a iya tsawaita kebul ba tare da rinjayar daidaiton ma'auni ba.
3) fitarwa 10VP 50mA.
4) .Support 4,6,8,12 tashar (na zaɓi), DB15 haɗa fitarwa, ƙarfin aiki: DC12V.

Picture

Ka'idar aiki

CET-DQ601B amplifier cajin ya ƙunshi matakin jujjuya caji, matakin daidaitawa, ƙarancin izinin wucewa, babban fasfo ɗin wucewa, matakin ƙarar ƙarfin ƙarar wuta na ƙarshe da wadatar wuta.Th:
1) .Charge canji mataki: tare da aiki amplifier A1 a matsayin ainihin.
Ana iya haɗa amplifier cajin CET-DQ601 tare da firikwensin hanzari na piezoelectric, firikwensin ƙarfin piezoelectric da firikwensin matsin lamba na piezoelectric.Halin da aka saba da su shine cewa yawancin injina yana canzawa zuwa cajin mai rauni Q wanda yayi daidai da shi, kuma tasirin fitarwa RA yana da girma sosai.Matsayin jujjuya caji shine canza cajin zuwa ƙarfin lantarki (1pc / 1mV) wanda yayi daidai da cajin kuma canza babban abin fitarwa zuwa ƙarancin fitarwa.
Ca --- Ƙarfin firikwensin yawanci dubun PF ne, 1/2 π Raca yana ƙayyadaddun ƙarancin ƙarancin ƙarancin firikwensin.

Picture 2

Cc-- Fitowar firikwensin ƙarancin ƙarfin amo.
Ci-- Capacitance shigar da amplifier mai aiki A1, ƙimar al'ada 3pf.
Matsayin jujjuya cajin A1 yana ɗaukar Amplifier mai faɗi mai faɗi na Amurka tare da babban abin shigar da ƙara, ƙaramar amo da ƙaramar drift.Mai karfin amsawa CF1 yana da matakai hudu na 101pf, 102pf, 103pf da 104pf.Dangane da ka'idar Miller, ingantaccen ƙarfin da aka canza daga ƙarfin amsawa zuwa shigarwar shine: C = 1 + kcf1.Inda k shine buɗaɗɗen madauki na A1, kuma ƙimar da aka saba shine 120dB.CF1 shine 100pF (mafi ƙarancin) kuma C shine kusan 108pf.Tsammanin cewa shigar da ƙarancin tsawar kebul na firikwensin shine 1000m, CC shine 95000pf;Tsammanin cewa firikwensin CA shine 5000pf, jimlar ƙarfin caccic a layi daya shine kusan 105pf.Idan aka kwatanta da C, jimlar capacitance shine 105pf / 108pf = 1 / 1000. A takaice dai, firikwensin da ke da karfin 5000pf da kebul na fitarwa na 1000m daidai da karfin amsawa kawai zai shafi daidaiton CF1 0.1%.Matsakaicin ƙarfin fitarwa na matakin jujjuya caji shine ƙimar fitarwa na firikwensin Q / feedback capacitor CF1, don haka daidaiton ƙarfin wutar lantarki yana shafan 0.1% kawai.
Matsayin fitarwa na matakin jujjuya caji shine Q / CF1, don haka lokacin da capacitors masu amsawa sune 101pf, 102pf, 103pf da 104pf, ƙarfin fitarwa shine 10mV / PC, 1mV / PC, 0.1mv/pc da 0.01mv/pc bi da bi.

2) Matsayin daidaitawa
Ya ƙunshi amplifier mai aiki A2 da firikwensin firikwensin daidaitawa potentiometer W. Ayyukan wannan matakin shine lokacin amfani da na'urori masu auna firikwensin piezoelectric tare da hankali daban-daban, duk kayan aikin yana da daidaitaccen fitowar wutar lantarki.

3).kasancewar wucewa tace
Na biyu-oda Butterworth mai aiki tacewa tare da A3 a matsayin ainihin yana da fa'idodin ƙarancin abubuwan haɗin gwiwa, daidaitawa mai dacewa da fasfo mai lebur, wanda zai iya kawar da tasirin siginar tsangwama mai tsayi akan sigina masu amfani.

4) Babban wucewa tace
Tacewar zaɓi na farko mai wucewa wanda ya ƙunshi c4r4 na iya danne tasirin siginar tsangwama mara ƙarfi akan sigina masu amfani.

5) Ƙarshen wutar lantarki
Tare da A4 a matsayin ginshiƙi na riba II, fitarwa gajeriyar kariyar kewayawa, babban madaidaici.

6).Matsayin wuce gona da iri
Tare da A5 a matsayin ainihin, lokacin da ƙarfin fitarwa ya fi 10vp, ja LED a gaban panel zai yi haske.A wannan lokacin za a yanke siginar kuma a karkatar da ita, don haka a rage riba ko a gano laifin.

Siffofin fasaha

1) Halayen shigarwa: matsakaicin cajin shigarwa ± 106pc
2) Hankali: 0.1-1000mv / PC (- 40 '+ 60dB a LNF)
3) Daidaita hankali na Sensor: turntable lambobi uku yana daidaita ƙimar cajin firikwensin 1-109.9pc/raka'a (1)
4) Daidaito:
LMV / naúrar, lomv / naúrar, lomy / naúrar, 1000mV / naúrar, lokacin da daidai capacitance na USB shigar da shi kasa da lonf, 68nf, 22nf, 6.8nf, 2.2nf bi da bi, lkhz tunani yanayin (2) kasa da ± The Matsayin yanayin aiki (3) bai wuce 1% ± 2% ba.
5)Tace da amsa mita
a) Tace mai girma;
Matsakaicin mitar ƙananan iyaka shine 0.3, 1, 3, 10, 30 da loohz, kuma madaidaicin izini shine 0.3hz, - 3dB_ 1.5dB; l.3, 10, 30, 100Hz, 3dB ± LDB, raguwar gangara: - 6dB / gado.
b) ƙarancin wucewa tace;
Matsakaicin iyaka na sama: 1, 3, lo, 30, 100kHz, BW 6, halaltacciyar sabawa: 1, 3, lo, 30, 100khz-3db ± LDB, gangara mai raguwa: 12dB / Oct.
6) yanayin fitarwa
a) Matsakaicin girman fitarwa: ± 10Vp
b) Matsakaicin fitarwa na yanzu: ± 100mA
c) Mafi ƙarancin juriya: 100Q
d) Harmonic karkatarwa: kasa da 1% lokacin da mitar ta kasance ƙasa da 30kHz kuma ƙarfin ƙarfin aiki bai wuce 47nF ba.
7) Surutu:<5 UV (mafi girman riba yana daidai da shigarwar)
8) Nuni mai yawa: ƙimar ƙimar fitarwa ta wuce I ± (A 10 + O.5 FVP, LED yana kunne na kusan 2 seconds.
9) Lokacin zafi: kamar mintuna 30
10) Wutar lantarki: AC220V ± 1O%

hanyar amfani

1. impedance na shigar da amplifier caji yana da girma sosai.Domin hana jikin ɗan adam ko na waje induction ƙarfin lantarki daga ruguza na'urar shigarwa, dole ne a kashe wutar lantarki yayin haɗa firikwensin zuwa shigarwar ƙarar caji ko cire firikwensin ko kuma ana zargin mai haɗin yana kwance.
2. ko da yake dogon na USB za a iya dauka, tsawo na USB zai gabatar da amo: na asali amo, inji motsi da kuma jawo AC sauti na USB.Sabili da haka, lokacin aunawa akan wurin, kebul ɗin ya kamata ya zama ƙaramin ƙara kuma ya rage gwargwadon yiwuwar, kuma yakamata a gyara shi kuma yayi nisa da manyan kayan wuta na layin wutar lantarki.
3. walda da haɗin haɗin haɗin da aka yi amfani da su akan na'urori masu auna firikwensin, igiyoyi da amplifiers caji suna da ƙwarewa sosai.Idan ya cancanta, masu fasaha na musamman za su gudanar da walda da taro;Rosin anhydrous ethanol bayani juyi (an hana walda mai) za a yi amfani da shi don waldawa.Bayan waldawa, kwalliyar auduga na likitanci za a lulluɓe shi da barasa mai ƙarancin ruwa (an haramta barasa na likita) don goge juzu'i da graphite, sannan a bushe.Dole ne a kiyaye mai haɗin haɗin mai tsabta kuma ya bushe akai-akai, kuma za a dunƙule hular garkuwa idan ba a yi amfani da ita ba
4. don tabbatar da daidaito na kayan aiki, za a gudanar da preheating na mintina 15 kafin aunawa.Idan zafi ya wuce 80%, lokacin preheating ya kamata ya wuce minti 30.
5. Dynamic martani na matakin fitarwa: an nuna shi a cikin ikon iya fitar da kaya mai ƙarfi, wanda aka kiyasta ta hanyar da ta biyo baya: C = I / 2 л A cikin tsarin vfmax, C shine nauyin kaya (f);Na fitar da matakin fitarwa ƙarfin halin yanzu (0.05A);V ganiya fitarwa ƙarfin lantarki (10vp);Matsakaicin mitar aiki na Fmax shine 100kHz.Don haka matsakaicin ƙarfin nauyi shine 800 PF.
6).Gyara ƙulli
(1) Sensor sensitivity
(2) Gari:
(3) Riba II (riba)
(4) - 3dB ƙananan iyaka
(5) Babban iyaka babba
(6) Yawan lodi
Lokacin da ƙarfin wutar lantarki ya fi 10vp, nauyin nauyi yana haskakawa don faɗakar da mai amfani cewa tsarin kalaman ya karkata.A rage riba ko.a kawar da laifin

Zaɓi da shigarwa na firikwensin

Kamar yadda zaɓi da shigar na'urar firikwensin ke da babban tasiri akan daidaiton ma'auni na amplifier ɗin caji, mai zuwa shine taƙaitaccen gabatarwa: 1. Zaɓin firikwensin:
(1) Girma da nauyi: a matsayin ƙarin adadin abin da aka auna, babu makawa firikwensin zai yi tasiri a yanayin motsinsa, don haka mass ma na firikwensin ana buƙatar ya zama ƙasa da mass m na abin da aka auna.Ga wasu abubuwan da aka gwada, ko da yake adadin yana da girma gaba ɗaya, ana iya kwatanta yawan firikwensin da na gida na tsarin a wasu sassa na shigarwa na firikwensin, kamar wasu sifofi na bakin ciki, wanda zai shafi gida. yanayin motsi na tsari.A wannan yanayin, ana buƙatar ƙarar da nauyin firikwensin ya zama ƙarami sosai.
(2) Mitar resonance na shigarwa: idan mitar siginar da aka auna f, ana buƙatar mitar resonance na shigarwa ya fi 5F, yayin da mitar amsawar da aka bayar a cikin littafin firikwensin shine 10%, wanda shine kusan 1/3 na resonance na shigarwa. mita.
(3) Ƙimar caji: mafi girma mafi kyau, wanda zai iya rage riba na amplifier cajin, inganta siginar-zuwa-amo da rage drift.
2), Shigar da na'urori masu auna firikwensin
(1) Alamar lamba tsakanin firikwensin da ɓangaren da aka gwada zai zama mai tsabta da santsi, kuma rashin daidaituwa ya zama ƙasa da 0.01mm.Matsakaicin ramin mai ɗagawa zai kasance daidai da jagorar gwaji.Idan saman hawa yana da muni ko mitar da aka auna ta wuce 4kHz, ana iya amfani da man shafawa na siliki mai tsafta akan farfajiyar lamba don haɓaka babban haɗin haɗin gwiwa.Lokacin aunawa tasirin, saboda bugun bugun jini yana da babban makamashi na wucin gadi, haɗin tsakanin firikwensin da tsarin dole ne ya zama abin dogaro sosai.Zai fi kyau a yi amfani da kusoshi na ƙarfe, kuma ƙarfin shigarwa yana da kusan 20kg.Cm.Tsawon kullun ya kamata ya dace: idan ya yi tsayi da yawa, ƙarfin bai isa ba, kuma idan ya yi tsayi da yawa, za a iya barin rata tsakanin firikwensin da tsarin, za a rage raguwa, da kuma sautin murya. za a rage.Bai kamata a dunƙule kullin a cikin firikwensin da yawa ba, in ba haka ba za a lanƙwasa jirgin ƙasa kuma za a yi tasiri a hankali.
(2) Dole ne a yi amfani da gasket ko tubalin tuba tsakanin firikwensin da ɓangaren da aka gwada.Mitar resonance na gasket da tubalan juzu'i ya fi girma fiye da mitar girgiza tsarin, in ba haka ba za a ƙara sabon mitar ƙara zuwa tsarin.
(3) Matsakaicin mahimmanci na firikwensin ya kamata ya kasance daidai da jagorancin motsi na ɓangaren da aka gwada, in ba haka ba zazzagewar axial zai ragu kuma ƙwaƙwalwar ƙwaƙwalwa za ta karu.
(4) Jitter na kebul zai haifar da mummunan lamba da hayaniya, don haka jagorar fitar da firikwensin ya kamata ya kasance tare da ƙaramin motsi na abu.
(5) Haɗin haɗin ƙarfe na ƙarfe: amsawar mitar mai kyau, mitar ƙarar shigarwa mafi girma, na iya canja wurin babban hanzari.
(6) Insulated bolt connection: An keɓe firikwensin daga sashin da za a auna, wanda zai iya hana tasirin filin lantarki na ƙasa akan ma'aunin yadda ya kamata.
(7) Haɗin ginin daɗaɗɗen maganadisu: Tushen hawan maganadisu na iya kasu kashi biyu: insulation zuwa ƙasa da kuma rashin rufin ƙasa, amma bai dace ba lokacin da hanzarin ya wuce 200g kuma zafin jiki ya wuce 180.
(8) Ƙirƙirar kakin zuma Layer bonding: wannan hanya ce mai sauƙi, mai kyau amsa mita, amma ba high zafin jiki resistant.
(9) Haɗin ƙulli: an fara haɗa kullin da tsarin da za a gwada, sannan a kunna firikwensin.Amfanin ba shine lalata tsarin ba.
(10) Common binders: epoxy guduro, roba ruwa, 502 manne, da dai sauransu.

Na'urorin haɗi da takaddun rakiyar

1).Layin wutar AC guda ɗaya
2).Jagoran mai amfani guda ɗaya
3).1 kwafin bayanan tabbatarwa
4).Kwafi ɗaya na lissafin tattarawa
7, Tallafin fasaha
Da fatan za a tuntuɓe mu idan akwai wata gazawa yayin shigarwa, aiki ko lokacin garanti wanda injiniyan wutar lantarki ba zai iya kiyayewa ba.

Lura: Za a dakatar da tsohuwar lambar ɓangaren CET-7701B don amfani har zuwa ƙarshen 2021 (Dec 31th.2021), daga Janairu 1st 2022, za mu canza zuwa sabon sashe lamba CET-DQ601B.


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