Dareemaha Taraafikada Piezoelectric ee AVC

Piezoelectric Traffic Sensor for AVC (Automatic Vehicle Classification)

Sharaxaad Gaaban:

Dareenka taraafikada ee CET8311 waxaa loogu talagalay in si joogto ah ama ku meel gaar ah loogu rakibo wadada ama wadada hoosteeda si loo ururiyo xogta taraafig.Qaab dhismeedka gaarka ah ee dareemaha ayaa u oggolaanaya in si toos ah loogu dhejiyo wadada hoosteeda qaab dabacsan oo sidaas darteed u hoggaansamaya qaabka wadada.Qaab dhismeedka fidsan ee dareemaha ayaa u adkaysan kara sawaxanka wadada ee ay keento leexinta oogada wadada, dariiqyada ku xiga, iyo mawjadaha leexsan ee ku soo wajahan gaadhiga.Jeexitaanka yar ee laamiga waxa ay yaraynaysaa waxyeelada soo gaadhaysa dusha sare ee wadada, waxa ay kordhisaa xawaaraha rakibaadda, waxa ayna yaraynaysaa xadiga qashinka ee loo baahan yahay in lagu rakibo.


Faahfaahinta Alaabta

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Hordhac

Dareenka taraafikada ee CET8311 waxaa loogu talagalay in si joogto ah ama ku meel gaar ah loogu rakibo wadada ama wadada hoosteeda si loo ururiyo xogta taraafig.Qaab dhismeedka gaarka ah ee dareemaha ayaa u oggolaanaya in si toos ah loogu dhejiyo wadada hoosteeda qaab dabacsan oo sidaas darteed u hoggaansamaya qaabka wadada.Qaab dhismeedka fidsan ee dareemaha ayaa u adkaysan kara sawaxanka wadada ee ay keento leexinta oogada wadada, dariiqyada ku xiga, iyo mawjadaha leexsan ee ku soo wajahan gaadhiga.Jeexitaanka yar ee laamiga waxa ay yaraynaysaa waxyeelada soo gaadhaysa dusha sare ee wadada, waxa ay kordhisaa xawaaraha rakibaadda, waxa ayna yaraynaysaa xadiga qashinka ee loo baahan yahay in lagu rakibo.

Faa'iidada CET8311 dareemaha taraafikada garaadka ayaa ah in ay heli karto xog sax ah oo gaar ah, sida calaamadaha xawaaraha saxda ah, calaamadaha kicinta iyo macluumaadka kala soocida.Waxay dib u celin kartaa tirakoobyada macluumaadka taraafikada wakhti dheer, oo leh waxqabad wanaagsan, kalsooni sare iyo rakibid sahlan.Waxqabadka qiimaha sare leh, oo inta badan loo isticmaalo ogaanshaha nambarka dhididka, wheelbase, la socodka xawaaraha baabuurka, kala soocida baabuurta, miisaan firfircoon iyo meelaha kale ee gaadiidka.

cabbir guud

image3.png
Tusaale: L=1.78 mitir;Dhererka dareemayaasha waa 1.82 mitir;Dhererka guud waa 1.94 mitir

Dhererka Dareemaha

Dhererka Naxaasta Muuqda

Dhererka Guud (oo ay ku jiraan dhammaan)

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)

Xuduudaha farsamada

Qaabka No.

QSY8311

Cabbirka qaybta

3×7mm2

Dhererka

waa la beddeli karaa

Piezoelectric coefficient

≥20pC/N Qiimaha magacaaban

Iska caabin dahaarka

500MΩ

Awood u dhiganta

6.5nF

Heerkulka shaqada

-25 ℃60℃

Interface

Q9

 Ku xidhidhiyaha Ku dheji dareemaha dhejiska leh (Walaxda nylon dib loo warshadayn maayo).1 pcs qafis kasta 15 cm

Diyaarinta rakibidda

Doorashada qaybta wadada:
a) Shuruudaha qalabka miisaamidda: Deganaansho iyo isku halaynta waqti dheer
b) Shuruudaha ku saabsan sariirta waddada: Adag

Habka loo rakibo

5.1 Goynta:

Talaabooyinka

Sawir

1) Calaamadaha digniinta dhismaha waa in la hor dhigaa goobta dhismaha hortiisa golaha wasiirada.3) Booska goynta: isticmaal gooyeeyaha si aad u furto jeexdin labajibbaaran oo wadada ku taal oo ku taal xariiqda calaamadaynta.Cabbirka isku-tallaabta ee jeexdintu waa in si sax ah loo xakameeyaa inta u dhexeysa xadka la cayimay (eeg jaantuska dhinaca midig).Marka loo eego dhererka dareeraha, qoto dheer oo qoto dheer oo qotodheer ah ayaa ku dhammaanaya 50mm (si loo waafajiyo madaxa wax soo saarka dareemayaasha iyo dhamaadka).

4) Waddo jabin:udubbe si aad u jeexdo oo u jar gunteeda jeexdin.Qeybta hoose ee jeexjeexa waa in loo gooyaa si habsami leh intii suurtagal ah.

Marka loo eego sawirka: sawirka saxda ah iyo sawirada dhismaha aasaasiga ah ee khuseeya.

Qalabka ugu muhiimsan: mishiinka goynta laamiga, dubbaha saamaynta, daloolin, dalool.

Fiiro gaar ah:

Xakamee qoto-dheeraanta burburinta ee jeexdin korka.Haddii ay aad u qoto dheer tahay, dareemaha iyo shayga lama fadhiisan karo.Haddii ay aad u qoto dheer tahay, qadarka groutweynaan doontaa.

xaaqidweynaan doontaa.

1) Cabirka Qaybta ka gudubtaimage4.jpeg

A=20mm(±3mm)mm;B=30(±3mm)mm

2) Dhererka Groove

Dhererka boosku waa inuu ka badan yahay 100 ilaa 200 mm dhererka guud ee dareenka.

Wadarta dhererka dareenka:

i=L+165mm, L waxa loogu talagalay dhererka naxaasta (fiiri calaamadda).

Piezoelectric Traffic Sensor for AVC
图片 1

5.2 Nadiifi oo engegan talaabooyinka

1, Si loo hubiyo in alaabta dhoobada ah si fiican loogu daro wadada wadada ka dib marka la buuxiyo, booska rakibaadda waa in lagu dhaqaa nadiifiyaha cadaadiska sare, iyo dusha sare ee jeexjeexa waa in lagu dhaqo burush bir ah, iyo kombaresarada hawada/ qoriga hawada cadaadiska sareya ayaa la isticmaalaa ka dib marka la nadiifiyo si biyaha loo qalajiyo.

2, Ka dib marka qashinka la nadiifiyo, dambaska sabbeynaya ee dusha dhismaha waa in sidoo kale la nadiifiyaa.Haddii ay jiraan biyo urursan ama qoyaan muuqda oo muuqda, isticmaal kombaresarka hawada (qoryaha hawada cadaadiska sare) ama afuufiyaha si aad u engejiso.

3, Ka dib marka nadiifinta la dhammeeyo, sharooto dabool ah (ballac ka weyn 50mm) ayaa la mariyaa
ilaa dariiqa ku wareegsan cirifka si looga hortago faddaraynta xuubka.

Piezoelectric Traffic Sensor for AVC
图片 1(1)

5.3 Tijaabada rakibida ka hor

1, Tijaabada awoodda: Isticmaal mitirka-mitirka badan ee dhijitaalka ah si aad u cabbirto wadarta awoodda dareeraha ee fiilada ku xiran tahay.Qiimaha la cabbiray waa inuu ku dhex jiraa xadka lagu qeexay dareenka dhererka u dhigma iyo xaashida xogta fiilada.Baaxadda tijaabiyaha waxaa badanaa lagu dejiyaa 20nF.Baadhitaanka cas wuxuu ku xiran yahay xudunta fiilada, iyo baaritaanka madow wuxuu ku xiran yahay gaashaanka dibadda.Ogsoonow inaadan isku mar qaban labada xidhidh ee xidhidhiyaha.

2, Tijaabi iska caabinta: Cabir caabbinta labada daraf ee dareemayaasha oo leh mitir-mitir oo badan.Mitirka waa in lagu dejiyaa 20MΩ.Waqtigan xaadirka ah, akhrinta saacaddu waa inay ka badataa 20MΩ, oo badanaa lagu tilmaamo "1".

5.4 Hagaaji garabka korka

Talaabooyinka

Sawir

1) Ka soo saar dareemaha oo hubi in dareemaha aanu sax ahayn.Toosi dareemaha si dareemaha uu toosan yahay oo siman yahay.2) Fur xiraha dhejinta ee sanduuqa oo ku dheji dareemaha dhexda dareenka qiyaastii 15cm.

galay Afyare goynta.Dusha sare ee xirmooyinka oo dhan waxay qiyaastii 10mm u jirtaa oogada wadada.

4) Laabi dareenka dareemaha hoos 40°, laab laabta hoos 20°, ka dibna u leexi 20° kor ilaa heer.

   image8.jpegCabirka 

 

 

5.5 Isku qas grout

Fiiro gaar ah: Fadlan si taxadar leh u akhri tilmaamaha qashinka ka hor inta aanad qasin.
1) Furo digsiga dheriga, marka loo eego xawaaraha buuxinta iyo qiyaasta loo baahan yahay, waxaa lagu fulin karaa tiro yar laakiin dhowr jeer si looga fogaado qashinka.
2) Diyaari qadar sax ah oo maraqa dheriga ah si waafaqsan saamiga la cayimay, oo si siman ugu walaaq qasiyaha dubbaha korontada (ilaa 2 daqiiqo).
3) Ka dib diyaarinta, fadlan isticmaal ilaa 30 daqiiqo gudahood si aad isaga ilaaliso adkaanta baaldiga.

5.6 Tallaabooyinka buuxinta grout ee ugu horreeya

1) Ku shub qashinka si siman dhererka jeexjeexa.
2) Marka la buuxinayo, dekedda biyo-mareenka waxaa lagu samayn karaa gacanta si loo fududeeyo xakamaynta xawaaraha iyo jihada inta lagu jiro shubanka.Si loo badbaadiyo waqtiga iyo xoogga jireed, waxaa lagu shubi karaa weelal awood yar, taas oo ku habboon in dad badan ay shaqeeyaan waqti isku mid ah.
3) Buuxinta ugu horreysa waa inay ahaataa meelo buuxa oo buuxa, oo ka samee dusha sare ee qashinka wax yar ka sarreeya laamiga.
4) Waqti u badbaadi intii suurtogal ah, haddii kale qashinka ayaa adkeyn doona (alaabtani waxay leedahay waqti daaweyn caadi ah 1 ilaa 2 saacadood).

5.7 Tallaabooyinka buuxinta grout labaad

Ka dib markii grouting ugu horeysay asal ahaan la bogsiiyo, u fiirso dusha sare ee groutka.Haddii dusha sare uu ka hooseeyo oogada wadada ama dusha sare waa la ildaran yahay, dib u qas qashinka (fiiri tallaabada 5.5) oo samee buuxinta labaad.
Buuxinta labaad waa inay hubisaa in dusha sare ee qashinka uu wax yar ka sarreeyo dusha wadada.

5.8 Dusha oo shiidi

Ka dib markii la rakibo tallaabada 5.7 ayaa la dhammeeyaa nus saac, iyo grout wuxuu bilaabay inuu adkeeyo, wuxuu jeexjeexay cajaladaha dhinacyada boosaska.
Ka dib markii la rakibo tallaabada 5.7 waa la dhammeeyaa 1 saac, iyo grout si buuxda u adkeeyey, shiiddo
maroojin leh Furimaha Dagaalka xagal si uu uga dhigo inuu la socdo oogada wadada.

5.9 Nadiifinta goobta iyo tijaabada rakibida kadib

1) Nadiifi haraaga qashinka iyo qashinka kale.
2) Tijaabinta ka dib rakibidda:

(1) Tijaabi awoodda: isticmaal mitirka badan ee dhijitaalka ah si aad u cabbirto wadarta awoodda dareeraha ee fiilada ku xiran tahay.Qiimaha la cabbiray waa inuu ku dhex jiraa xadka lagu qeexay dareenka dhererka u dhigma iyo xaashida xogta fiilada.Baaxadda tijaabiyaha waxaa badanaa lagu dejiyaa 20nF.Baadhitaanka cas wuxuu ku xiran yahay xudunta fiilada, iyo baaritaanka madow wuxuu ku xiran yahay gaashaanka dibadda.Ka digtoonow inaad isku mar wada qabato labada xidhidh ee xidhan.

(2) Tijaabi caabbinta: isticmaal mitirka badan ee dhijitaalka ah si aad u cabbirto iska caabinta dareeraha.Mitirka waa in lagu dejiyaa 20MΩ.Waqtigan xaadirka ah, akhrinta saacaddu waa inay ka badataa 20MΩ, oo badanaa lagu tilmaamo "1".

(3) Tijaabada hore-u-qaadista: ka dib marka la nadiifiyo dusha rakibidda, ku xidh wax soo saarka dareemayaasha oscilloscope.Goobta caadiga ah ee oscilloscope-ku waa: Voltage 200mV/div, Time 50ms/div.Calaamadaha togan, korantada kicinta ayaa lagu wadaa ilaa 50mV.Qaabka mowjadda caadiga ah ee baabuurka iyo baabuurka ayaa loo ururiyaa sidii qaab tijaabo ah oo hore loo raray, ka dibna qaabka tijaabada waa la kaydiyaa oo la koobiyeeyaa si loo daabaco, si joogto ahna loo badbaadiyo.Soo saarida dareemaha waxay kuxirantahay habka dhejinta, dhererka dareenka, dhererka fiilada iyo alaabta dheriga ee loo isticmaalo.Haddi tijaabada horudhacu caadi tahay, rakibiddu waa dhammaatay.

3) Siidaynta taraafikada: hadalada: Gaadiidka waxa la sii dayn karaa oo kaliya marka alaabta dheriga si buuxda loo bogsiiyo (qiyaastii 2-3 saacadood kadib buuxintii ugu dambaysay).Haddii taraafikada la sii daayo marka alaabta dheriga aan si dhammaystiran loo bogsiin, waxay dhaawici doontaa rakibidda waxayna sababi doontaa dareemaha inuu ku dhaco xilli hore.

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