Sensor Traffic Piezoelectric don AVC (Rarraba Mota ta atomatik)

Piezoelectric Traffic Sensor for AVC (Automatic Vehicle Classification)

Takaitaccen Bayani:

CET8311 na'urar firikwensin zirga-zirgar hankali an tsara shi don dindindin ko na wucin gadi akan hanya ko ƙarƙashin hanya don tattara bayanan zirga-zirga.Tsarin na musamman na firikwensin yana ba da damar sanya shi kai tsaye a ƙarƙashin hanya a cikin nau'i mai sauƙi kuma don haka ya dace da madaidaicin hanya.Tsarin firikwensin firikwensin yana da juriya ga hayaniyar hanya da ke haifarwa ta hanyar lanƙwasa saman titin, hanyoyin da ke kusa, da lanƙwasa taguwar ruwa suna gabatowa abin hawa.Ƙananan ƙwanƙwasa a kan shimfidar wuri yana rage lalacewar hanya, yana ƙara saurin shigarwa, kuma yana rage adadin grout da ake buƙata don shigarwa.

Aika Imel

Cikakken Bayani

Tags samfurin

Gabatarwa

Fa'idar CET8311 firikwensin zirga-zirgar hankali shine cewa zai iya samun cikakkun bayanai na musamman, kamar ingantacciyar siginar saurin gudu, siginar faɗakarwa da bayanin rarrabuwa.Yana iya mayar da martani ga kididdigar bayanan zirga-zirga na dogon lokaci, tare da kyakkyawan aiki, babban aminci da sauƙin shigarwa.Babban aiki mai tsada, galibi ana amfani da shi wajen gano lambar axle, wheelbase, sa ido kan saurin abin hawa, rarrabuwar abin hawa, awo mai ƙarfi da sauran wuraren zirga-zirga.

Gabaɗaya girma

Misali: L=1.78m;Tsawon firikwensin shine mita 1.82;Tsawon duka shine mita 1.94

Tsawon Sensor	Ganuwa Tsawon Brass	Tsawon Gabaɗaya (ciki har da ƙarewa)
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)

Siffofin fasaha

Model No.	QSY8311
Girman sashi	～3 ×7mm²
Tsawon	za a iya musamman
Piezoelectric coefficient	≥20pC/N Ƙimar ƙima
Juriya na rufi	：500MΩ
Daidai da ƙarfin ƙarfin	～6.5nf
Yanayin aiki	-25 ℃～60 ℃
Interface	Q9
Tushen hawa	Haɗa madaidaicin hawa tare da firikwensin (Ba a sake yin amfani da kayan nailan ba).1 inji mai kwakwalwa kowane 15 cm

Shirye-shiryen shigarwa

Zaɓin sashin hanya:
a) Bukatun akan kayan aunawa: Dogon kwanciyar hankali da aminci
b) Bukatu a kan gadon hanya: Rigid

Hanyar shigarwa

5.1 Yanke Ramin:

Matakai

Hoto

1) Ya kamata a sanya alamun gargaɗin gini a gaban wurin ginin.2) Zana layi: yi amfani da tef, fensirin fensir da maɓuɓɓugar tawada don zana da alama wurin da aka sanya firikwensin, kuma tabbatar da cewa igiyoyin suna da tsayi don haɗawa zuwa gefen hanya. majalisar ministoci.3) Yankan Ramin: Yi amfani da abin yanka don buɗe tsagi mai murabba'i a kan hanya tare da layin alama.Ya kamata a sarrafa girman ɓangaren giciye na tsagi daidai da ƙayyadadden kewayon (duba zane a gefen dama).Dangane da tsawon firikwensin, zurfafa zurfin tsagi ya ƙare zuwa 50mm (don daidaitawa da kai da ƙarshen firikwensin firikwensin).

4) Karyar hanya:use guduma don tsagi da datsa kasan tsagi.Ya kamata a gyara ƙasan tsagi da sauƙi kamar yadda zai yiwu.

Bisa ga zane: hoton da ya dace da kuma zane-zane na gine-gine masu dacewa.

Babban kayan aiki: injin yankan pavement, guduma mai tasiri, fartanya, rawar soja.

Lura:

Sarrafa zurfin murkushe ƙugiya mai hawa.Idan yayi zurfi sosai, firikwensin da maƙallan ba za su iya zama ba.Idan yana da zurfi sosai, adadin groutzai zama babba.

zagizai zama babba.

1) Girman Sashen Ketare

A=20mm(±3mm)mm;B=30(±3mm)mm

2) Tsawon tsagi

Tsawon ramin ya kamata ya zama fiye da 100 zuwa 200 mm na jimlar tsawon firikwensin.

Jimlar tsawon firikwensin:

i=L+165mm, L don tsayin tagulla ne (Duba alamar).

5.2 Tsaftace da bushe matakai

1, Domin tabbatar da cewa kayan aikin tukunyar za a iya haɗa su da kyau tare da hanyar hanya bayan cikawa, dole ne a wanke ramin shigarwa tare da mai tsabta mai mahimmanci, kuma a wanke saman tsagi tare da goga na karfe, da kuma Ana amfani da injin damfara / babban matsi na iska ko abin busa bayan tsaftacewa don bushe ruwan.

2, Bayan an tsaftace tarkace, tokar da ke iyo a kan ginin ya kamata kuma a tsaftace.Idan akwai ruwa da aka tara ko kuma damshin da ake iya gani, yi amfani da na'urar kwampreso ta iska (Bindigun iska mai ƙarfi) ko abin hurawa don bushewa.

3, Bayan an gama tsaftacewa, ana amfani da tef ɗin rufewa (nisa fiye da 50mm).
zuwa farfajiyar hanya a kusa da daraja don hana kamuwa da cuta ga grout.

5.3 Gwajin riga-kafi

1, Gwajin ƙarfin gwaji: Yi amfani da mitoci da yawa na dijital don auna jimlar ƙarfin firikwensin tare da kebul ɗin da aka haɗe.Ƙimar da aka auna ya kamata ta kasance cikin kewayon da madaidaicin firikwensin tsayi da takardar bayanan kebul ya kayyade.Ana saita kewayon mai gwadawa yawanci zuwa 20nF.Jajayen binciken yana haɗa zuwa tsakiyar kebul ɗin, kuma binciken baƙar fata yana haɗa zuwa garkuwar waje.Lura cewa bai kamata ku riƙe ƙarshen haɗin biyu a lokaci ɗaya ba.

2, Juriya na Gwaji: Auna juriya a duka ƙarshen firikwensin tare da multimita na dijital.Ya kamata a saita mita zuwa 20MΩ.A wannan lokacin, karatun akan agogo ya kamata ya wuce 20MΩ, yawanci ana nunawa ta “1”.

5.4 Gyara madaurin hawa

Matakai

Hoto

1) Cire na'urar firikwensin kuma duba ko firikwensin yana nan.Daidaita firikwensin don kiyaye firikwensin madaidaiciya da lebur.2） Buɗe shingen hawa a cikin akwatin kuma shigar da madaidaicin tare da firikwensin kamar tazara na 15cm.3) Sanya madaurin hawa tare da firikwensin.

cikin yankan Ramin.Babban saman duk maƙallan yana da kusan 10mm nesa da saman hanya.

4) Lanƙwasa firikwensin ƙarshen 40°, lanƙwasa haɗin gwiwa ƙasa 20°, sannan lanƙwasa shi 20° sama zuwa matakin.

Girma

5.5 Mix grout

Lura: Da fatan za a karanta umarnin grout a hankali kafin haɗuwa.
1) Buɗe tukunyar tukunyar, bisa ga saurin cikawa da adadin da ake buƙata, ana iya aiwatar da shi a cikin ƙananan adadi amma kaɗan kaɗan don guje wa sharar gida.
2) Shirya daidai adadin gwangwani na tukunya bisa ga ƙayyadaddun rabo, kuma a motsa a ko'ina tare da mai motsawar guduma (kimanin mintuna 2).
3) Bayan shiri, da fatan za a yi amfani da sama a cikin mintuna 30 don guje wa ƙarfafawa a cikin guga.

5.6 Matakan ciko na farko

1) Zuba grout a ko'ina tare da tsawon tsagi.
2) Lokacin da ake cikawa, ana iya samar da tashar ruwan magudanar ruwa da hannu don sauƙaƙe sarrafa saurin gudu da shugabanci yayin zubarwa.Don adana lokaci da ƙarfin jiki, ana iya zubar da shi tare da ƙananan kwantena masu iya aiki, wanda ya dace da mutane da yawa suyi aiki a lokaci guda.
3) Cikowar farko yakamata ta kasance cike da ramummuka, kuma a sanya gyaggyarawa saman dan kadan sama da shimfida.
4) Ajiye lokaci gwargwadon yiwuwa, in ba haka ba grout zai ƙarfafa (wannan samfurin yana da lokacin warkewa na yau da kullun na 1 zuwa 2 hours).

5.7 Matakan cika grout na biyu

Bayan grouting na farko ya warke sosai, lura da saman grout.Idan saman ya yi ƙasa da saman titin ko kuma saman ya yi haƙori, sake haɗa grout (duba mataki na 5.5) kuma yi cika na biyu.
Cika na biyu ya kamata ya tabbatar da cewa saman grout ya dan kadan sama da hanyar hanya.

5.8 Yin niƙa

Bayan an gama shigarwa mataki na 5.7 na rabin sa'a, kuma grout ya fara ƙarfafawa, ya yayyage kaset a gefen ramummuka.
Bayan shigarwa mataki 5.7 aka kammala na 1 hour, da kuma grout solidified gaba daya, nika da
grout tare da kusurwar niƙa don sa shi ja da saman hanya.

5.9Tsaftar kan-site da gwaji bayan shigarwa

1) Tsaftace tarkace da sauran tarkace.
2) Gwaji bayan shigarwa:

(1) Gwajin iya aiki: yi amfani da mitoci da yawa na dijital don auna jimlar ƙarfin firikwensin tare da kebul ɗin da aka haɗe.Ƙimar da aka auna ya kamata ta kasance cikin kewayon da madaidaicin firikwensin tsayi da takardar bayanan kebul ya kayyade.Ana saita kewayon mai gwadawa yawanci zuwa 20nF.Jajayen binciken yana haɗa zuwa tsakiyar kebul ɗin, kuma binciken baƙar fata yana haɗa zuwa garkuwar waje.Yi hankali kada ku riƙe haɗin haɗin biyu yana ƙare lokaci guda.

(2) Gwajin juriya: yi amfani da mitoci masu yawa na dijital don auna juriyar firikwensin.Ya kamata a saita mita zuwa 20MΩ.A wannan lokacin, karatun akan agogo ya kamata ya wuce 20MΩ, yawanci ana nunawa ta “1”.

(3) Gwajin pre-load: bayan an tsabtace saman shigarwa, haɗa firikwensin firikwensin zuwa oscilloscope.Yanayin yanayin oscilloscope shine: Voltage 200mV/div, Time 50ms/div.Domin tabbataccen sigina, an saita ƙarfin ƙarfin faɗakarwa zuwa kusan 50mV.Ana tattara nau'in nau'in motsi na mota da mota a matsayin nau'in gwaji na farko, sa'an nan kuma ana adana nau'in igiyar gwajin a kwafi don bugawa, kuma a adana dindindin.Fitowar firikwensin ya dogara ne akan hanyar hawa, tsawon firikwensin, tsawon kebul da kayan da ake amfani da su.Idan gwajin farko na al'ada ne, an gama shigarwa.

3) Sakin zirga-zirga: jawabai: Ana iya sakin zirga-zirgar ababen hawa ne kawai lokacin da kayan tukunyar suka warke sosai (kimanin sa'o'i 2-3 bayan cikawar ƙarshe).Idan an saki zirga-zirga lokacin da kayan aikin tukwane ba su cika warkewa ba, zai lalata shigarwar kuma ya sa firikwensin ya gaza da wuri.