I-CET-DQ601B Isikhulisi Seshaja
Incazelo emfushane:
Imininingwane Yomkhiqizo
Omaka bomkhiqizo
Uhlolojikelele lomsebenzi
I-CET-DQ601B
i-amplifier yokushaja iyisikhulisi seshaja sesiteshi esinogesi okukhiphayo olingana nenkokhelo yokokufaka.Ifakwe izinzwa ze-piezoelectric, ingakwazi ukukala ukusheshisa, ingcindezi, amandla nezinye izinto eziningi.Isetshenziswa kabanzi endaweni yokongiwa kwamanzi, amandla, izimayini, ezokuthutha, ezokwakha, ukuzamazama komhlaba, i-aerospace, izikhali kanye neminye iminyango.Leli thuluzi linesici esilandelayo.
1) .Isakhiwo sinengqondo, umjikelezo uthuthukisiwe, izingxenye eziyinhloko nezixhumi zingeniswa kwamanye amazwe, ngokunemba okuphezulu, umsindo ophansi kanye nokukhukhuleka okuncane, ukuze kuqinisekiswe ikhwalithi yomkhiqizo ozinzile futhi enokwethenjelwa.
2).Ngokususa okokufaka kokuncishiswa kwekhono elilinganayo lekhebuli yokufaka, ikhebula linganwetshwa ngaphandle kokuphazamisa ukunemba kokulinganisa.
3).okuphumayo 10VP 50mA.
4).Sekela i-4,6,8,12 isiteshi(ongakukhetha), i-DB15 xhuma ukuphuma, i-voltage yokusebenza:DC12V.
Isimiso somsebenzi
Isikhulisi seshaja se-CET-DQ601B sakhiwe yisiteji sokuguqula ukushaja, isigaba esivumelana nezimo, isihlungi sokudlula okuphansi, isihlungi sokudlula okuphezulu, isigaba sokugcina sokulayisha isikhulisi samandla kanye nokunikezwa kwamandla.Th:
1）.Isiteji sokuguqula: nge-amplifier yokusebenza engu-A1 njengomongo.
I-CET-DQ601B i-amplifier yokushaja ingaxhunywa nenzwa yokusheshisa i-piezoelectric, inzwa ye-piezoelectric force kanye nenzwa yokucindezela kwe-piezoelectric.Isici esivamile sazo ukuthi ubuningi bemishini buguqulwa bube inkokhiso ebuthakathaka Q elingana nayo, futhi i-impedance yokuphumayo i-RA iphezulu kakhulu.Isigaba sokuguqula ukushaja ukuguqula ukushaja kube i-voltage (1pc / 1mV) elingana nokushajwa bese ushintsha i-impedance ephezulu ibe yi-impedance ekhiphayo ephansi.
Ca--- Amandla enzwa ngokuvamile izinkulungwane ezimbalwa ze-PF, 1 / 2 π Raca inquma umkhawulo ophansi wemvamisa yenzwa.
Cc-- Okukhiphayo kwenzwa amandla ekhebula lomsindo ophansi.
Amandla we-Ci--Okokufaka we-amplifier yokusebenza A1, inani elijwayelekile elingu-3pf.
Isiteji sokuguqula ukushaja i-A1 sithatha i-American Wide-band Precision Operational Amplifier ene-impedance ephezulu yokufaka, umsindo ophansi kanye nokukhukhuleka okuphansi.I-feedback capacitor CF1 inamazinga amane we-101pf, 102pf, 103pf kanye ne-104pf.Ngokuvumelana nethiyori kaMiller, amandla asebenzayo aguquliwe ukusuka kumandla wempendulo kuya kokokufaka yile: C = 1 + kcf1.Lapho u-k eyinzuzo ye-open-loop ye-A1, futhi inani elijwayelekile lingu-120dB.I-CF1 ingu-100pF (okungenani) futhi u-C cishe u-108pf.Ngokucabanga ukuthi ubude bekhebula lomsindo ophansi okokufaka lwenzwa luyi-1000m, i-CC ingu-95000pf;Uma sicabanga ukuthi inzwa ye-CA ingu-5000pf, isamba samandla e-caccic ngokuhambisana singaba ngu-105pf.Uma kuqhathaniswa no-C, umthamo ophelele ngu-105pf / 108pf = 1 / 1000. Ngamanye amazwi, inzwa enamandla angu-5000pf kanye nekhebula lokukhipha elingu-1000m elilingana namandla empendulo izothinta kuphela ukunemba kwe-CF1 0.1%.I-voltage ephumayo yesiteji sokuguqula ukushaja inkokhelo yokuphuma kwe-sensor Q / impendulo capacitor CF1, ngakho-ke ukunemba kwe-voltage ephumayo kuthinteka kuphela ngo-0.1%.
I-voltage ephumayo yesiteji sokuguqula i-charge yi-Q / CF1, ngakho-ke uma ama-capacitor wempendulo engu-101pf, 102pf, 103pf no-104pf, i-voltage ephumayo ingu-10mV / PC, 1mV / PC, 0.1mv/pc kanye no-0.01mv/pc ngokulandelana.
2).Izinga lokuguquguquka
Iqukethe i-amplifier yokusebenza i-A2 kanye ne-sensor sensitivity adjusting potentiometer W. Umsebenzi walesi sigaba ukuthi uma usebenzisa izinzwa ze-piezoelectric ezinokuzwela okuhlukile, lonke ithuluzi linokukhishwa kwe-voltage evamile.
3).isihlungi sephasi eliphansi
Isihlungi samandla asebenzayo e-Butterworth sesibili esine-A3 njengoba ingqikithi inezinzuzo zezingxenye ezincane, ukulungiswa okulula kanye nebhendi yokungena eyisicaba, engaqeda ngempumelelo ithonya lezimpawu zokuphazanyiswa kwemvamisa ephezulu kumasignali awusizo.
4)．Isihlungi sokudlula okuphezulu
Isihlungi se-oda lokuqala le-passive high pass esihlanganiswe ne-c4r4 singacindezela ngempumelelo amasiginali wokuphazamiseka wemvamisa ephansi kumasignali awusizo.
5).Isikhulisamandla sokugcina samandla
Nge-A4 njengomnyombo wenzuzo II, okukhipha ukuvikelwa kwesekethe emfushane, ukunemba okuphezulu.
6).Ileveli yokulayisha ngokweqile
Nge-A5 njengomongo, lapho i-voltage ephumayo inkulu kune-10vp, i-LED ebomvu kuphaneli yangaphambili izokhanya.Ngalesi sikhathi, isignali izoncishiswa futhi ihlanekezelwe, ngakho inzuzo kufanele yehliswe noma kutholakale iphutha.
Imingcele yezobuchwepheshe
1)Isici sokokufaka: inani eliphezulu lokushaja okokufaka ± 106Pc
2)Ukuzwela: 0.1-1000mv / PC (- 40 '+ 60dB ku-LNF)
3) Ukulungiswa kokuzwela kwenzwa: i-turntable yamadijithi amathathu ilungisa ukuzwela kweshaja yenzwa 1-109.9pc/unit (1)
4) Ukunemba:
I-LMV / iyunithi, i-lomv / iyunithi, i-lomy / iyunithi, i-1000mV / iyunithi, lapho amandla alinganayo ekhebula lokufaka lingaphansi kwe-lonf, 68nf, 22nf, 6.8nf, 2.2nf ngokulandelana, isimo senkomba se-lkhz (2) singaphansi kuka-± The isimo sokusebenza esilinganiselwe (3) singaphansi kuka-1% ± 2％.
5) Isihlungi kanye nempendulo yemvamisa
a) Isihlungi sokudlula okuphezulu;
Imvamisa yomkhawulo ophansi ngu-0.3, 1, 3, 10, 30 kanye ne-loohz, futhi ukuchezuka okuvumelekile ngu-0.3hz, - 3dB_ 1．5dB; l.3, 10, 30, 100Hz, 3dB ± LDB, ukuthambeka kokunciphisa: - 6dB / umbhede.
b) isihlungi sephasi eliphansi;
Imvamisa yomkhawulo ongaphezulu: 1, 3, bheka, 30, 100kHz, BW 6, ukuchezuka okuvumelekile: 1, 3, bheka, 30, 100khz-3db ± LDB, i-attenuation slope: 12dB / Oct.
6)isici somphumela
a) Ubukhulu bokukhishwa kwe-amplitude: ± 10Vp
b)Okukhiphayo okuphezulu kwamanje:±100mA
c)Ukumelana nomthwalo omncane:100Q
d)Ukuhlanekezela kwe-Harmonic: ngaphansi kuka-1% uma imvamisa ingaphansi kuka-30kHz futhi umthwalo we-capacitive ungaphansi kuka-47nF.
7) Umsindo:< 5 UV (inzuzo ephezulu ilingana nokokufaka)
8)Inkomba yokulayisha ngokweqile: inani eliphakeme lokukhiphayo lidlula i-I ±( Ku-10 + O.5 FVP, i-LED ivuliwe cishe imizuzwana emi-2.
9) Isikhathi sokushisa: cishe imizuzu engama-30
10) Ukunikezwa kwamandla: AC220V ± 1O％
indlela yokusebenzisa
1. i-impedance yokufaka ye-amplifier yokushaja iphezulu kakhulu.Ukuze uvimbele umzimba womuntu noma i-voltage yokungeniswa yangaphandle ekuphuleni i-amplifier yokufaka, ukunikezwa kwamandla kufanele kuvaliwe lapho uxhuma inzwa kokokufaka kwe-amplifier yokushaja noma ukhipha inzwa noma usola ukuthi isixhumi sikhululekile.
2. nakuba ikhebula ende lingathathwa, ukunwetshwa kwekhebula kuzokwethula umsindo: umsindo ongokwemvelo, ukunyakaza komshini nomsindo wekhebula we-AC.Ngakho-ke, lapho kulinganiswa esizeni, ikhebula kufanele libe nomsindo ophansi futhi lifinyeze ngangokunokwenzeka, futhi kufanele lilungiswe futhi libe kude nemishini emikhulu yamandla kagesi.
3. i-welding kanye nokuhlanganiswa kwezixhumi ezisetshenziswa ezinzwa, izintambo kanye nama-amplifiers eshaja achwepheshe kakhulu.Uma kunesidingo, ochwepheshe abakhethekile bayokwenza ukushisela nokuhlanganisa;I-Rosin anhydrous ethanol solution flux (uwoyela wokushisela awuvunyelwe) izosetshenziselwa ukushisela.Ngemuva kokushisela, ibhola likakotini lezokwelapha lizogcotshwa nge-anhydrous alcohol (utshwala bezokwelapha bunqatshelwe) ukusula i-flux ne-graphite, bese yomile.Isixhumi sizogcinwa sihlanzekile futhi somile njalo, futhi ikepisi lehawu lizofinywa uma lingasetshenziswa
4. ukuze kuqinisekiswe ukunemba kwethuluzi, ukushisa kuqala kufanele kwenziwe imizuzu engu-15 ngaphambi kokulinganisa.Uma umswakama ungaphezu kuka-80% isikhathi sokushisa kufanele sibe ngaphezu kwemizuzu engama-30.
5. Ukusabela okunamandla kwesigaba sokuphumayo: kuboniswa ngokuyinhloko ekhonweni lokushayela i-capacitive load, elinganiselwa ngefomula elandelayo: C = I / 2 л Kufomula ye-vfmax, u-C amandla okulayisha (f);I okukhipha isigaba okukhipha umthamo wamanje (0.05A);I-voltage ephezulu ye-V (10vp);Imvamisa yokusebenza ephezulu ye-Fmax ngu-100kHz.Ngakho-ke umthamo omkhulu wokulayisha ngu-800 PF.
6).Ukulungiswa kwe-knob
(1) Ukuzwela kwezinzwa
(2) Inzuzo:
(3) Inzuzo II (inzuzo)
(4) - 3dB umkhawulo wokuvama ophansi
(5) Imvamisa ephezulu umkhawulo ongaphezulu
(6) Ukugcwala
Lapho i-voltage ephumayo ingaphezu kwe-10vp, ukukhanya okulayishwe ngokweqile kuyakhanya ukuze kwazise umsebenzisi ukuthi i-waveform ihlanekezelwe.Inzuzo kufanele yehliswe noma.iphutha kufanele liqedwe
Ukukhethwa nokufakwa kwezinzwa
Njengoba ukukhethwa nokufakwa kwenzwa kunomthelela omkhulu ekunembeni kokulinganisa kwe-amplifier yokushaja, okulandelayo isingeniso esifushane: 1. Ukukhethwa kwenzwa:
(1) Ivolumu nesisindo: njengesisindo esengeziwe sento elinganisiwe, inzwa izothinta nakanjani isimo sayo sokunyakaza, ngakho-ke i-mass ma yenzwa idingeka ukuthi ibe ngaphansi kakhulu kunobukhulu m bento elinganisiwe.Kwezinye izingxenye ezihloliwe, nakuba isisindo sikhulu sisonke, isisindo senzwa singaqhathaniswa nesisindo sasendaweni sesakhiwo kwezinye izingxenye zokufakwa kwenzwa, njengezakhiwo ezinezindonga ezincane, ezizothinta indawo. isimo sokunyakaza kwesakhiwo.Kulokhu, ivolumu nesisindo senzwa kuyadingeka ukuba kube kuncane ngangokunokwenzeka.
(2) Imvamisa yokufakwa kwe-resonance: uma imvamisa yesiginali elinganisiwe ingu-f, imvamisa yokufaka i-resonance iyadingeka ukuthi ibe nkulu kuno-5F, kuyilapho impendulo yemvamisa enikezwe kumanuwali yezinzwa ingu-10%, okungaba ngu-1/3 we-resonance yokufaka. imvamisa.
(3) Ukuzwela kweshaja: okukhudlwana kuba ngcono, okunganciphisa ukuzuza kwe-amplifier yokushaja, kuthuthukise isilinganiso sesignali-kuya-nomsindo futhi kunciphise ukukhukhuleka.
2), Ukufakwa kwezinzwa
(1) Indawo yokuxhumana phakathi kwenzwa nengxenye ehloliwe izohlanzeka futhi ibe bushelelezi, futhi ukungalingani kuzoba ngaphansi kuka-0.01mm.I-eksisi yembobo yesikulufu sokukhweza izohambisana nesiqondisindlela sokuhlola.Uma indawo yokukhweza imaholoholo noma i-frequency elinganisiwe idlula u-4kHz, amanye amafutha ahlanzekile we-silicone angasetshenziswa endaweni yokuxhumana ukuze kuthuthukiswe ukuhlangana kwefrikhwensi ephezulu.Lapho ukala umthelela, ngoba i-pulse yomthelela inamandla amakhulu esikhashana, ukuxhumana phakathi kwenzwa nesakhiwo kufanele kube okuthembekile kakhulu.Kungcono ukusebenzisa ama-bolts ensimbi, futhi i-torque yokufaka ingaba ngu-20kg.Cm.Ubude be-bolt kufanele bufaneleke: uma bufushane kakhulu, amandla awanele, futhi uma kude kakhulu, igebe phakathi kwenzwa nesakhiwo lingashiywa, ukuqina kuzoncishiswa, futhi imvamisa ye-resonance izoncishiswa.I-bolt akufanele ifakwe ku-sensor kakhulu, ngaphandle kwalokho indiza yesisekelo izogoba futhi ukuzwela kuzothinteka.
(2) I-gasket ye-insulation noma i-conversion block kufanele isetshenziswe phakathi kwenzwa kanye nengxenye ehloliwe.Imvamisa ye-resonance ye-gasket kanye ne-conversion block iphakeme kakhulu kunemvamisa yokudlidliza yesakhiwo, ngaphandle kwalokho imvamisa entsha ye-resonance izokwengezwa esakhiweni.
(3) I-axis ebucayi yenzwa kufanele ihambisane nesiqondiso sokunyakaza kwengxenye ehloliwe, ngaphandle kwalokho ukuzwela kwe-axial kuzokwehla futhi ukuzwela okuphambene kuzokwanda.
(4) I-jitter yekhebula izobangela ukuthintana okungekuhle nomsindo wokungqubuzana, ngakho-ke isiqondiso esiholela ngaphandle senzwa kufanele sihambisane nendawo encane yokunyakaza kwento.
(5) Ukuxhumeka kwebholidi yensimbi: impendulo enhle yemvamisa, imvamisa ephezulu yokufaka i-resonance, ingadlulisela ukusheshisa okukhulu.
(6) Uxhumo lwe-bolt olufakwe ngaphakathi: inzwa ivalekile kusuka engxenyeni okufanele ilinganiswe, engavimbela ngempumelelo ithonya lensimu kagesi ephansi esilinganisweni.
(7) Ukuxhunywa kwesisekelo sikazibuthe sokukhweza: isisekelo sokukhweza kazibuthe singahlukaniswa sibe izinhlobo ezimbili: ukugquma phansi nokungagxili phansi, kodwa akufanelekile uma ukusheshisa kudlula ama-200g nezinga lokushisa lidlula i-180.
(8) Ukubopha ungqimba lwe-wax ozacile: le ndlela ilula, isabela kahle imvamisa, kodwa ayimelani nokushisa okuphezulu.
(9) Uxhumano lwebholithi ebophayo: ibhawudi liqale liboshwe esakhiweni esizohlolwa, bese inzwa ikrufulwa.Inzuzo ayikona ukulimaza isakhiwo.
(10) Izibophezelo ezivamile: i-epoxy resin, amanzi enjoloba, iglue engu-502, njll.
Izesekeli zezinsimbi kanye nemibhalo ehambisana nayo
1).Ulayini wamandla owodwa we-AC
2).Incwadi eyodwa yomsebenzisi
3).1 ikhophi yedatha yokuqinisekisa
4).Ikhophi eyodwa yohlu lokupakisha
7, Ukwesekwa kwezobuchwepheshe
Sicela usithinte uma kukhona ukwehluleka ngesikhathi sokufaka, ukusebenza noma iwaranti engakwazi ukunakekelwa unjiniyela wamandla.
Qaphela: Inombolo yengxenye endala CET-7701B izomiswa ukuze isetshenziswe kuze kube sekupheleni kuka-2021(Dec 31th.2021), kusukela ngomhlaka-1 Jan 2022, sizoshintshela engxenyeni entsha ye-numebr CET-DQ601B.