Piezoelectric Traffic Sensor ya AVC (Magulu Agalimoto Odzichitira okha)
Kufotokozera Kwachidule:
CET8311 wanzeru traffic sensor idapangidwa kuti ikhale yokhazikika kapena kwakanthawi mumsewu kapena pansi pa msewu kuti itolere deta yamagalimoto. Mapangidwe apadera a sensa amalola kuti akhazikike mwachindunji pansi pa msewu mu mawonekedwe osinthika ndipo motero amagwirizana ndi mzere wa msewu. Kapangidwe kachipangizo kachipangizoka kamalimbana ndi phokoso la msewu chifukwa cha kupindika kwa msewu, misewu yoyandikana, ndi mafunde opindika akuyandikira galimotoyo. Kupaka pang'ono pamtunda kumachepetsa kuwonongeka kwa msewu, kumawonjezera liwiro la kukhazikitsa, ndikuchepetsa kuchuluka kwa grout komwe kumafunikira pakuyika.
Tsatanetsatane wa Zamalonda
Enviko WIM mankhwala
Zolemba Zamalonda
Mawu Oyamba
CET8311 wanzeru traffic sensor idapangidwa kuti ikhale yokhazikika kapena kwakanthawi mumsewu kapena pansi pa msewu kuti itolere deta yamagalimoto. Mapangidwe apadera a sensa amalola kuti akhazikike mwachindunji pansi pa msewu mu mawonekedwe osinthika ndipo motero amagwirizana ndi mzere wa msewu. Kapangidwe kachipangizo kachipangizoka kamalimbana ndi phokoso la msewu chifukwa cha kupindika kwa msewu, misewu yoyandikana, ndi mafunde opindika akuyandikira galimotoyo. Kupaka pang'ono pamtunda kumachepetsa kuwonongeka kwa msewu, kumawonjezera liwiro la kukhazikitsa, ndikuchepetsa kuchuluka kwa grout komwe kumafunikira pakuyika.
Ubwino wa CET8311 wanzeru traffic sensor ndikuti imatha kupeza zolondola komanso zenizeni, monga chizindikiro cholondola chothamanga, chizindikiro choyambitsa ndi chidziwitso chamagulu. Ikhoza kuyankha ziwerengero zamagalimoto kwa nthawi yayitali, ndikuchita bwino, kudalirika kwakukulu komanso kuyika kosavuta. Kuchita kwamtengo wapamwamba, komwe kumagwiritsidwa ntchito pozindikira nambala ya exile, wheelbase, kuyang'anira kuthamanga kwagalimoto, gulu la magalimoto, kuyeza kwamphamvu ndi madera ena amsewu.
Mulingo wonse
Chitsanzo: L=1.78 mita; Kutalika kwa sensor ndi 1.82 metres; Kutalika konse ndi 1.94 metres
| Sensor kutalika | Utali Wowoneka Wamkuwa | Utali wonse (kuphatikiza malekezero) |
| 6'(1.82m) | 70''(1.78m) | 76''(1.93m) |
| 8'(2.42m) | 94'' (2.38m) | 100''(2.54m) |
| 9'(2.73m) | 106'' (2.69m) | 112''(2.85m) |
| 10'(3.03m) | 118''(3.00m) | 124''(3.15m) |
| 11'(3.33m) | 130''(3.30m) | 136'' (3.45m) |
Zosintha zaukadaulo
| Chitsanzo No. | QSY8311 |
| Kukula kwagawo | ～3 × 7 mm2 |
| Utali | akhoza makonda |
| Piezoelectric coefficient | ≥20pC/N Mtengo wadzina |
| Insulation resistance | ＞500MΩ |
| Kukwanira kofanana | ～6.5nF |
| Kutentha kwa ntchito | -25 ℃～60 ℃ |
| Chiyankhulo | Q9 |
| Kuyika bulaketi | Gwirizanitsani bulaketi yokweza ndi sensa (zinthu za nayiloni sizikusinthidwanso). 1 pcs bulaketi iliyonse 15 cm |
Kukonzekera kuyika
Kusankha gawo la msewu:
a) Zofunikira pazida zoyezera: Kukhazikika kwanthawi yayitali komanso kudalirika
b) Chofunikira pa msewu: Kukhwimitsa
Njira yoyika
5.1 Kudula kagawo:
| Masitepe | Chithunzi |
| 1） Zizindikiro zochenjeza za zomangamanga ziyenera kuikidwa kutsogolo kwa malo omanga.2）Jambulani mzere: gwiritsani ntchito tepi, pensulo ya slate ndi kasupe wa inki kuti mujambule ndi kuika chizindikiro pamalo pomwe sensa imayikidwa, onetsetsani kuti zingwezo ndizotalika kuti zigwirizane ndi msewu. kabati.3） Kudula kagawo: gwiritsani ntchito chodulira kuti mutsegule kanjira kolowera mumsewu motsatira mzere wolembera. Kukula kwapang'onopang'ono kwa groove kuyenera kuyendetsedwa molondola mkati mwazomwe zafotokozedwa (onani chithunzi kumanja). Malinga ndi kutalika kwa sensa, onjezerani kuya kwa malekezero a groove mpaka 50mm (kuti mugwirizane ndi mutu ndi mapeto a sensa). 4) Kuphwanya msewu:usungani nyundo yokhotakhota ndikudula pansi pa poyambira. Pansi pa groove iyenera kudulidwa bwino momwe mungathere. Malingana ndi zojambulazo: chithunzi choyenera ndi zojambula zofunikira zomanga. Zida zazikulu: makina odulira miyala, nyundo yamphamvu, khasu, kubowola. Zindikirani: Lamulirani kuya kwa kuphwanyidwa kwa poyambira. Ngati ili yozama kwambiri, sensa ndi bulaketi sizingakhale pansi. Ngati chakuya kwambiri, kuchuluka kwa groutadzakhala aakulu. groutadzakhala aakulu. | 1) Cross Section dimension A=20mm(±3mm)mm;B=30(±3mm)mm 2) Kutalika kwa Groove Kutalika kwa kagawo kuyenera kukhala kopitilira 100 mpaka 200 mm kutalika kwa sensor. Kutalika konse kwa sensa: i = L+165mm, L ndi kutalika kwa mkuwa (Onani chizindikiro). |
5.2 Masitepe oyera ndi owuma
1, Pofuna kuonetsetsa kuti poto ikhoza kuphatikizidwa bwino ndi msewu pambuyo podzaza, malo oyikapo ayenera kutsukidwa ndi chotsuka chotsitsa kwambiri, ndipo pamwamba pa groove iyenera kutsukidwa ndi burashi yachitsulo. air compressor / high pressure air gun kapena blower amagwiritsidwa ntchito mukatsuka kuti muwumitse madzi.
2, Zinyalala zikatsukidwa, phulusa loyandama pamalo omanga liyenera kutsukidwanso. Ngati pali madzi oundana kapena chinyezi chowoneka bwino, gwiritsani ntchito air compressor (mfuti ya air pressure) kapena chowuzira kuti muwumitse.
3, Kuyeretsa kukamalizidwa, tepi yosindikiza (m'lifupi mwake kuposa 50mm) imayikidwa
pamwamba pa msewu wozungulira mphako kuti mupewe kuipitsidwa kwa grout.
5.3 Mayeso a Pre-installation
1, Kuthekera kwa mayeso: Gwiritsani ntchito mita ya digito kuti muyese kuchuluka kwa sensa ndi chingwe cholumikizidwa. Mtengo woyezedwa uyenera kukhala mumtundu womwe umatchulidwa ndi sensa yofananira ya kutalika ndi pepala la data la chingwe. Mtundu wa tester nthawi zambiri umayikidwa ku 20nF. Chofufumitsa chofiira chimalumikizidwa pachimake cha chingwe, ndipo kafukufuku wakuda amalumikizidwa ndi chishango chakunja. Dziwani kuti simuyenera kugwira malekezero onse awiri nthawi imodzi.
2, Kukana kuyesa: Yesani kukana kumalekezero onse a sensa ndi ma digito angapo. Mita iyenera kukhala 20MΩ. Panthawiyi, kuwerenga pa wotchi kuyenera kupitirira 20MΩ, kawirikawiri kumasonyezedwa ndi "1".
5.4 Konzani khwekhwe bulaketi
| Masitepe | Chithunzi |
| 1） Tsegulani sensa ndikuwona ngati sensor ilibe. Limbikitsani sensa kuti sensor ikhale yowongoka komanso yosalala.2） Tsegulani cholumikizira chokwera mubokosi ndikuyika bulaketi pambali ya sensor pafupifupi 15cm intervals.3） Ikani bulaketi yokwera pamodzi ndi sensor. mu kagawo wodula. Pamwamba pa mabulaketi onse ndi pafupifupi 10mm kutali ndi msewu. 4) pindani kumapeto kwa sensa pansi 40 °, pindani cholumikizira pansi 20 °, kenako pindani 20 ° mmwamba mpaka mulingo. |  Dimension
|
5.5 Sakanizani mchere
Zindikirani: Chonde werengani malangizo a grout mosamala musanayambe kusakaniza.
1) Tsegulani potting grout, molingana ndi liwiro lodzaza ndi mlingo wofunikira, zitha kuchitidwa pang'ono koma kangapo kuti mupewe kuwononga.
2) Konzani kuchuluka koyenera kwa poto molingana ndi chiŵerengero chotchulidwa, ndikugwedeza mofanana ndi nyundo yamagetsi yamagetsi (pafupifupi maminiti a 2).
3）Mukakonzekera, chonde gwiritsani ntchito mkati mwa mphindi 30 kuti mupewe kulimba mumtsuko.
5.6 Njira zoyamba zodzaza grout
1） Thirani nsonga molingana ndi kutalika kwa poyambira.
2) Mukadzaza, doko la ngalande limatha kupangidwa pamanja kuti lithandizire kuwongolera liwiro ndi mayendedwe panthawi yothira. Pofuna kusunga nthawi ndi mphamvu zakuthupi, zimatha kutsanuliridwa ndi zotengera zazing'ono, zomwe zimakhala zosavuta kuti anthu angapo azigwira ntchito nthawi imodzi.
3）Kudzaza koyamba kuyenera kukhala kodzaza ndi mipata, ndikupanga grout pamwamba pang'ono kuposa pansi.
4) Sungani nthawi momwe mungathere, apo ayi grout idzalimba (chinthuchi chimakhala ndi nthawi yochiritsa ya 1 mpaka 2 maola).
5.7 Njira zachiwiri zodzaza grout
Mukatha kuchira koyamba, yang'anani pamwamba pa grout. Ngati pamwamba ndi pansi kuposa msewu kapena pamwamba pa denti, sakanizaninso grout (onani sitepe 5.5) ndi kudzaza kachiwiri.
Kudzazidwa kwachiwiri kuyenera kuonetsetsa kuti pamwamba pa grout ndi pang'ono pamwamba pa msewu.
5.8Kupera pamwamba
Pambuyo poika sitepe 5.7 yatsirizidwa kwa theka la ola, ndipo grout imayamba kulimba, ndikung'amba matepi kumbali ya mipata.
Pambuyo unsembe sitepe 5.7 anamaliza kwa ola 1, ndi grout olimba kwathunthu, akupera ndi
grout ndi chopukusira ngodya kuti isungunuke ndi msewu.
5.9Kuyeretsa pamalowo ndikuyesa kuyika pambuyo pake
1) Chotsani zotsalira za grout ndi zinyalala zina.
2) Kuyesa pambuyo kukhazikitsa:
(1) Kuthekera koyesa: gwiritsani ntchito mita ya digito kuti muyese kuchuluka kwa sensa ndi chingwe cholumikizidwa. Mtengo woyezedwa uyenera kukhala mumtundu womwe umatchulidwa ndi sensa yofananira ya kutalika ndi pepala la data la chingwe. Mtundu wa tester nthawi zambiri umayikidwa ku 20nF. Chofufumitsa chofiira chimalumikizidwa pachimake cha chingwe, ndipo kafukufuku wakuda amalumikizidwa ndi chishango chakunja. Samalani kuti musagwire malekezero awiriwa nthawi imodzi.
(2) Kukana kuyesa: gwiritsani ntchito mita ya digito kuti muyese kukana kwa sensor. Mita iyenera kukhala 20MΩ. Panthawiyi, kuwerenga pa wotchi kuyenera kupitirira 20MΩ, kawirikawiri kumasonyezedwa ndi "1".
(3) Mayeso olemetsa asanakwane: malo oyikapo atatsukidwa, gwirizanitsani zotulutsa za sensor ku oscilloscope. Zomwe zimachitika pa oscilloscope ndi: Voltage 200mV/div, Time 50ms/div. Pachizindikiro chabwino, voteji ya trigger imayikidwa pafupifupi 50mV. Mafunde amtundu wagalimoto ndi galimoto amasonkhanitsidwa ngati mawonekedwe oyeserera onyamula katundu, kenako mawonekedwe oyeserera amasungidwa ndikukopera kuti asindikizidwe, ndikusungidwa kwamuyaya. Kutulutsa kwa sensa kumatengera njira yokwezera, kutalika kwa sensa, kutalika kwa chingwe ndi zinthu zomwe zimagwiritsidwa ntchito. Ngati kuyesa kwa preload kuli kwachilendo, kuyika kwatha.
3) Kutulutsidwa kwa magalimoto: Ndemanga: Magalimoto amatha kutulutsidwa kokha pamene potoyo yachiritsidwa (pafupifupi maola 2-3 pambuyo podzaza komaliza). Ngati magalimoto amatulutsidwa pamene zinthu zophika sizikuchiritsidwa bwino, zidzawononga kuyikapo ndikupangitsa kuti sensayo iwonongeke msanga.
Lowetsanitu mawonekedwe oyeserera
2 Nkhwangwa
3 nkhwangwa
4 nkhwangwa
6 nkhwangwa
Enviko wakhala akugwira ntchito pa Weigh-in-Motion Systems kwa zaka zopitilira 10. Masensa athu a WIM ndi zinthu zina zimadziwika kwambiri mumakampani a ITS.
