Cet-DQ601b them lub zog
Cov lus piav qhia luv luv:
Enviko them amplifier yog cov channel nuj nqis AmpliDier uas nws cov zis hluav taws xob yog sib npaug rau tus nqi ntxiv. Nruab nrog lub tshuab puab lub sensors, nws tuaj yeem ntsuas qhov nrawm, siab, yuam thiab lwm yam kev ua haujlwm ntawm cov khoom.
Nws yog dav siv nyob rau hauv cov dej conservancy, lub zog, mining, kev thauj mus los, kev tsim kho, riam phom, riam phom thiab lwm yam riam phom. Qhov ntsuas no muaj cov yam ntxwv hauv qab no.
Khoom Qhia Qhia
Muaj nuj nqi ntsiab lus
Cet-DQ601b
Kev them nqi yog cov nuj nqis nce ampliDier uas nws cov zis hluav taws xob yog sib npaug rau cov nqi ntxiv. Nruab nrog lub tshuab puab lub sensors, nws tuaj yeem ntsuas qhov nrawm, siab, yuam thiab lwm yam kev ua haujlwm ntawm cov khoom. Nws yog dav siv nyob rau hauv cov dej conservancy, lub zog, mining, kev thauj mus los, kev tsim kho, riam phom, riam phom thiab lwm yam riam phom. Qhov ntsuas no muaj cov yam ntxwv hauv qab no.
1) .Qhov qauv yog tsim nyog, lub Circuit Court yog qhov zoo, lub ntsiab lus tseem ceeb, cov suab nrov me me thiab muaj zog me me thiab txhim khu kev qha khoom zoo.
2). Los ntawm tshem tawm cov tswv yim ua kom zoo ntawm cov tswv yim capacitance ntawm cov tswv yim cable, lub cable tuaj yeem txuas ntxiv yam tsis muaj kev cuam tshuam ntsuas qhov ntsuas tau.
3) .utput 10vp 50ma.
4) .support 4,6,8,12 channel (Yeem), DB15 txuas tawm cov zis, kev ua haujlwm voltage: DC12V.
Cov Ntsiab Cai Ua Haujlwm
Cet-DQ601B cov nqi amplipier yog tsim cov kev hloov pauv theem, kev lim hiam, qib siab tshaj plaws tshaj li hauv theem thiab fais fab. Th:
1). Cov ntsiab lus hloov siab hloov dua siab tshiab: Nrog kev ua haujlwm ua haujlwm A1 raws li tus tub ntxhais.
Cet-DQ601B cov nqi hluav taws xob tuaj yeem txuas nrog lub tshuab ntsuas hluav taws xob piezoelectric actist, piezoelectric Forft Sensor thiab Piezoelectric siab sensor. Cov yam ntxwv uas nquag ntawm lawv yog cov khoom siv tshuab yog hloov mus rau hauv ib qho kev tiv thaiv tsis muaj zog Q uas yog sib npaug nrog nws, thiab cov zis impedance ra yog heev. Kev them nqi hloov dua siab tshiab yog hloov kho tus nqi rau tus nqi thiab hloov pauv cov zis siab rau hauv cov zis qis impedance.
CA --- lub peev xwm ntawm lub sensor feem ntau yog ntau txhiab PF, 1/2 Π chana txiav txim siab tsawg tsawg tsawg tsawg zaus txwv tsis pub muaj kev txwv.
CC-- sensor tso zis tsawg cov suab nrov txuas nrog Ceg
Cich - Cov tswv yim capacitance ntawm kev ua haujlwm ua haujlwm a1, tus nqi raug 3pf.
Tus nqi hloov dua siab tshiab A1 adopts Asmeskas dav precision officplier nrog cov suab nrov siab thiab nrov nrov. Cov lus qhia captitor CF1 muaj plaub theem ntawm 101pf, 102pf, 103pf thiab 104pf. Raws li Miller theorem, cov peev txheej hloov dua siab tshiab los ntawm cov lus teb muaj peev xwm rau cov lus qhia yog: c = 1 + kcf1. Qhov twg K yog qhov qhib-voj nce ntawm A1, thiab cov nqi raug yog 120dB. CF1 yog 100PF (tsawg kawg nkaus) thiab C yog li 108PF. Piv txwv tias cov lus tawm tswv yim qis suab cable ntev ntev ntawm lub sensor yog 1000m, CC, CC yog 95000PF; Piv txwv tias lub sensor ca yog 5000pf, tag nrho cov capacitations ntawm caccic hauv page panallel yog kwv yees li 105pf. Piv nrog c, tag nrho cov cus capacitance yog 105pf = 1/1000. Hauv lwm cov lus, lub sensor muaj peev xwm tsuas yog cuam tshuam qhov tseeb ntawm CF1 0.1%%. Cov zis hluav taws xob ntawm kev them nqi hloov dua tshiab yog qhov tawm ntawm tus nqi ntawm lub ntsuas hluav taws xob C / cov lus pom tseeb ntawm cov zis hluav taws xob tsuas yog cuam tshuam los ntawm 0.1%.
Cov zis hluav taws xob ntawm cov nqi hloov dua siab tshiab yog Q / CF1, yog li thaum cov lus tawm suab paj nruag yog 101PF, cov zis hluav taws xob yog 10MV / PC, PC thiab 0.01MV / PC feem.
2) .aDaptive Qib
Nws muaj kev ua haujlwm ua haujlwm A2 thiab sensor rhiab kev hloov kho Potentiometer W. Txoj haujlwm ntawm cov kev sib txawv, tag nrho cov lus qhia muaj qhov ntsuas hluav taws xob sib txawv.
3) .Lawv Pass Lim
Qhov thib ob-xaj butterworth Lub zog lim dej nrog A3 li cov tub ntxhais muaj kev cuam tshuam zoo thiab cov zaus cuam tshuam nrog cov cim ntawm cov cim qhia.
4) .High pass lim
Thawj-cov kev txiav txim siab Passive Pass HIG High no lim tau muaj cov C4R4 tuaj yeem ua kom zoo rau kev cuam tshuam ntawm cov cim tsawg ntawm cov cim qhia.
5) .final lub zog hluav taws xob
Nrog A4 raws li qhov tseem ceeb ntawm Get II, tawm kev tiv thaiv luv luv ntawm Circuit Court, qhov siab.
6). Tshaj Qib
Nrog A5 raws li qhov tseem ceeb, thaum cov zis voltage ntau dua 10VP, tus liab coj ntawm lub vaj huam sib luag pem hauv ntej yuav nyem. Nyob rau lub sijhawm no, lub teeb liab yuav raug txiav tawm thiab distorted, yog li qhov nce yuav tsum raug txo lossis cov txhaum yuav tsum pom.
Kev tsis muaj
1) Cov cim tawm tswv yim: Qhov siab tshaj plaws tsub nqi ± 106pc
2) rhiab: 0.1-1000MV / PC (- 40 '+ 60dB ntawm LNF)
3) Sensor Sension University Haum Hloov: Peb Tus lej Turntable Hloov Sensor Them rhiab rhiab rhiab 1-109.9pc / chav (1)
4) qhov tseeb:
LMV / Chav Tsev, Lomv / Chav Tsev, Lomy / Lomy, 26000mv, 6.8NF, 2.2NF, 2.2NF, 2.2NF, 2.2NF Kev ntsuas kev ua haujlwm (3) tsawg dua 1% ± 2%.
5) lim thiab cov lus teb
a) lim high pass;
Qhov qis qis zaus zaus yog 0.3, 1, 3, 30 thiab XAVHz, thiab cov kev sib txawv yog 0.3Hz, - 3db_ 1.5dB; l. 3, 10, 30, 100hz, 3db ± ldb, Attenuation nqes hav: - 6db / cot.
b) Low pass lim;
Upper txwv zaus: 1, 3, lo, 30, 100khz, muaj kev sib txawv: 1, 100 hack ± lb, attency nqes hav: 12db / Kaum Hlis
6) Cov Lus Cim Tawm Tsam
a) Cov zis ntau tshaj plaws amplitude: ± 10vp
b) Qhov siab tshaj plaws tso zis tam sim no: ± 100ma
c) Yam tsawg kawg nkaus thauj khoom tiv: 100q
D) Harmonic distortion: Tsawg dua 1% Thaum cov zaus tsawg dua 30kHz thiab lub peev xwm thauj tau tsawg dua 47nf.
7) suab nrov:<5 UV (qhov nce siab tshaj plaws yog sib npaug rau cov tswv yim)
8) Kev piav qhia dhau: Cov zis Peak lub txiaj ntsig tshaj qhov kuv (ntawm 10 + ntawm 10 + FVP, LED yog li 2 vib nas this.
9) lub sijhawm preheating: txog 30 feeb
10) fais fab hluav taws xob: ac220v ± 1o%
Txoj kev siv
1. Cov lus tawm tswv yim ntawm kev ua tus nqi amplifier yog heev. Txhawm rau tiv thaiv tib neeg lub cev lossis sab nraud cuam tshuam kev voltage los ntawm cov lus qhia amplifier tawm tswv yim lossis tshem tawm lub sensor lossis xav tias lub txuas ntxiv.
2. Txawm hais tias ntev cable tuaj yeem coj mus, qhov txuas ntxiv ntawm cable yuav qhia cov suab nrov: Yog li ntawd, thaum ntsuas ntsuas ntawm qhov chaw, lub cable yuav tsum tau nrov thiab luv luv li ntau tau, thiab nws yuav tsum tau tsau thiab nyob deb ntawm cov khoom siv hluav taws xob loj.
3. Lub vuam thiab kev sib dhos ntawm cov txuas siv siv rau ntawm sensors, cable thiab tsub ua kom zoo dua yog kev tshaj lij. Yog tias tsim nyog, cov txuj ci tshwj xeeb yuav tsum nqa cov vuam thiab sib dhos; Rosin anhydrous ethanol kev daws teeb meem (vuam roj yog txwv tsis pub) yuav tsum siv vuam vuam. Tom qab vuam, pob kws kho mob yuav tsum tau coated nrog qaug cawv (kev haus dej haus txwv tsis pub noj) kom so flux thiab graphite, thiab tom qab ntawd qhuav. Lub qhov txuas yuav tsum tau ceev thiab qhuav, thiab cov ntaub thaiv npog pov tseg thaum tsis siv
4. Txhawm rau kom ntseeg tau qhov tseeb ntawm kev ntsuas, yuav tsum ua rau 15 feeb ua ntej ntsuas kev ntsuas. Yog tias cov av noo tshaj 80% lub sijhawm preheating yuav tsum ntau dua 30 feeb.
5. Dynamic teb ntawm cov zis theem: Nws yog feem ntau qhia nyob rau hauv lub peev xwm tsav capacitive thauj, uas yog kwv yees los ntawm cov hauv qab no: c = hauv daim VFMAX mis, c yog lub load Capracitance (F); Kuv tawm rau theem theem tso tawm tam sim no muaj peev xwm (0.05A); V peak utt voltage (10VP); Qhov siab tshaj plaws ua haujlwm zaus ntawm FMAX yog 100kHz. Yog li qhov siab tshaj plaws load capinance yog 800 pf.
6) .Txhua ntawm lub pob ntawm pob zeb
(1) sensor rhiab
(2) nce:
(3) Tau txais II (nce)
(4) - 3dB tsawg zaus txwv
(5) Cov siab siab siab sab saud
(6) overload
Thaum cov zis hluav taws xob ntau dua 10VP, lub teeb pom kev yooj yim kom sai tus neeg siv uas cov WaveForm yog distorted. Qhov nce yuav tsum raug txo lossis. qhov txhaum yuav tsum tau tshem tawm
Xaiv thiab teeb tsa ntawm sensors
Raws li kev xaiv thiab kev teeb tsa ntawm lub sensor muaj qhov cuam tshuam zoo rau kev ntsuas qhov tseeb ntawm kev ntsuas lub zog tshaj plaws, cov lus qhia luv luv: 1. Xaiv cov sensor:
(1) ntim thiab qhov hnyav: raws li qhov ntxiv loj ntawm cov khoom ntsuas, lub xeev ntsuas, yog li qhov loj ma ntawm lub sensor yuav tsum tau tsawg dua li cov khoom ntsuas ntsuas. Rau qee qhov ntsuas tau sim, txawm hais tias qhov loj yog qhov loj npaum li cas, qhov loj ntawm cov qauv hauv nruab nrab, xws li muaj qee cov phab ntsa nyias, uas yuav cuam tshuam rau hauv zos Cov lus tsa suab ntawm cov qauv. Hauv qhov no, lub ntim thiab qhov hnyav ntawm lub sensor yuav tsum muaj me me li sai tau.
(2) Kev teeb tsa kev teeb tsa: Yog tias ntsuas cov teeb meem ntsuas tau yog F, lub sijhawm ua kom muaj ntau dua 5F, thaum muaj txog 1/3 ntawm kev teeb tsa kev teeb tsa zaus.
(3) Tus nqi them rhiab: qhov loj dua qhov zoo dua, uas tuaj yeem txo qhov nce ntawm cov nqi hluav taws xob amplifier, txhim kho lub teeb liab kev sib piv thiab txo kev drift.
2), installation ntawm sensors
(1) Tus neeg sib tiv tauj ntawm lub sensor thiab xeem ib feem yuav huv thiab du, thiab qhov tsis ncaj yuav tsum tsawg dua 0.01mm. Lub axis ntawm mounting ntsia hlau ntsia yuav tsum ua kom sib haum nrog kev sim. Yog tias lub npoo av yog ntxhib lossis ntsuas zaus ntau tshaj 4kHz, ib co roj silicone huv si tuaj yeem siv rau hauv qhov chaw sib ze los txhim kho cov kev txuas siab ntau zaus. Thaum ntsuas qhov cuam tshuam, vim tias qhov kev cuam tshuam rau cov mem tes muaj zog loj dua, kev sib txuas ntawm cov sensor thiab cov qauv yuav tsum ntseeg tau heev. Nws yog qhov zoo tshaj plaws los siv cov hlau bolts, thiab cov installation torque yog hais txog 20kg. Cm. Qhov ntev ntawm lub ntsia liaj qhov rooj yuav tsum tsim nyog: yog tias nws luv heev, lub zog tsis txaus, thiab yog tias nws yog qhov sab laug, lub ntsws yuav raug txo kom tsawg, thiab cov zaus zaus yuav raug txo kom tsawg. Cov ntsia hlau yuav tsum tsis txhob muab ntsia hlau rau hauv lub dav hlau ntau dhau, txwv tsis pub cov dav hlau hauv paus yuav bent thiab rhiab yuav raug cuam tshuam.
(2) rwb thaiv tsev gasket lossis kev sib txuas hloov yuav tsum siv ntawm lub sensor thiab qhov kev xeem. Lub sij hawm uas tau resonts thiab hloov dua siab loj heev uas yog ntau dua qhov ntau zaus ntawm cov qauv, txwv tsis pub rov qab ua dua tshiab rau cov qauv.
(3) Kev rhiab ntawm lub ntsuas ntawm lub sensor yuav tsum tau ua kom sib haum ntawm qhov kev sim siab, txwv tsis pub cov axial rhiab yuav txo tau thiab cov kev sib txuas.
(4) Lub Jitter ntawm lub cable yuav ua rau tsis zoo sib tiv thiab kev sib txhuam nrov, yog li cov kev coj ua ntawm qhov kev coj ua ntawm kev coj ntawm qhov khoom.
(5) Kev sib txuas hlau steel: Cov lus teb zoo teb, lub siab tshaj plaws teeb tsa cov zaus zaus, tuaj yeem hloov mus nrawm.
(6) Insulated bolt kev twb kev txuas: lub sensor yog insulated los ntawm feem tivthaiv kom ntsuas, uas tuaj yeem tiv thaiv kom muaj kev cuam tshuam ntawm av hluav taws xob ntawm kev ntsuas
(7) Connection of magnetic mounting base: magnetic mounting base can be divided into two types: insulation to the ground and non insulation to the ground, but it is not suitable when the acceleration exceeds 200g and the temperature exceeds 180.
(8) Cov ntaub ntawv nyias nyias hax ua ke: Cov qauv no yooj yim, cov lus teb zoo, tab sis tsis yog qhov kub siab.
(9) Kev sib txuas lus sib txuas lus sib txuas: lub ntsia liaj qhov rooj tau sib khi ua ke rau tus qauv kom raug sim, thiab tom qab ntawd lub sensor yog ntsia hlau rau. Qhov kom zoo dua tsis yog kev puas tsuaj rau tus qauv.
(10) Cov Kev Sib Tw Ntaus: Epoxy Resin, roj hmab dej, 502 kua nplaum, thiab lwm yam.
Cov cuab yeej khoom siv thiab cov ntaub ntawv nrog nrog
1). Ib qho AC Fais Fab Kab
2). Ib Tus Neeg Siv Los Ntawm Txhais Tes
3). 1 Luam cov ntaub ntawv pov thawj
4). Ib daim ntawv ntawm cov npe
7, kev txhawb nqa
Thov hu rau peb yog tias muaj tsis ua tiav thaum lub teeb nruab, kev ua haujlwm lossis lub sijhawm muaj kev tiv thaiv uas tsis tuaj yeem tswj hwm los ntawm tus kws kho mob fais fab.
NCO TSEG: Tus lej qub cet-7701B yuav nres los siv txog 721 (los ntawm Jan 122, peb yuav hloov mus rau Ntu Ntu-DQ601b.
Enviko tau raug tshwj xeeb hauv qhov hnyav-hauv cov lus kaw rau ntau tshaj 10 xyoo. Peb cov ntaub ntawv Wim thiab lwm cov khoom tau pom dav hauv nws txoj kev lag luam.
