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[b][align=center]Design and Realization of Monitoring System for Oil Pipe lines Based on Distributed Structure
ZENG Gui e1 Lv Gao Sheng2 Xu Ming3[/align][/b]
锛�1.Electronics DEPT of Guang Dong Baiyun University. Guangzhou 510450, China; 2. Oil & Gas Storage And Transportation Dept of Zhong Yuan Oil Field.Zhengzhou 3. China Petroleum & Chemical Corporation gas company,Jinan,257010锛�
Abstract: With the special demand of oil pipe lines, design a data acquisition system based on distributed structure. Use industrial data pressing computer as server, and DSP as client. a real锛峵ime monitoring system on oil pipe lines is established. this paper is main to design hardware of the signal processing in detail.
Key Words: Monitoring Pipelines; Signal Processing; Data Acquisition; Control mode
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3锛夎綁(zhu菐n)鎻涘櫒杓稿嚭浠g⒓鐨勯倧杓浕骞宠姹�锛涜垏寰檿鐞嗗櫒鎴栬▓(j矛)绠楁(j墨)鐨勬帴鍙�锛涗覆琛�銆佸苟琛屻€佹檪(sh铆)閻樼殑閬告搰锛岃几鍑轰唬纰肩殑鏍煎紡绛夈€�
4锛夎綁(zhu菐n)鎻涘櫒鐨勫伐浣滄浠�锛屽皪(du矛)婧害銆佹繒搴︾瓑鑷劧姊濅欢鐨勮姹�锛屼互鍙婃姉娌栨搳鎬х瓑銆�
5锛夎綁(zhu菐n)鎻涘櫒鐨勫伐浣滈浕澹�銆佸姛鑰�锛屽皝瑁濆舰寮忥紝鎴愭湰銆佷締婧愮瓑涔熸槸閲嶈鐨勮€冩叜鍥犵礌銆�
缍滃悎鍚勭ó鍥犵礌锛屾湰绯荤当(t菕ng)閲囩敤涓€绋綆鍔熻€�銆�12浣�銆佸柈闆绘簮渚涢浕鐨勯珮閫烝/D杞�(zhu菐n)鎻涘櫒锛圓DCs锛夆€斺€擬AX144銆�
3.3TMS320VC5402 DSP
DSP鑺墖锛屽張绋辩偤鏁�(sh霉)瀛椾俊铏�(h脿o)铏曠悊鍣�锛屾槸涓€绋壒鍒ラ仼鍚堢敤浜庡(sh铆)鏅�(sh铆)鏁�(sh霉)瀛椾俊铏�(h脿o)铏曠悊鐨勫井铏曠悊鍣�銆�
鏈郴绲�(t菕ng)閲囩敤鐨凾MS320C5402鏄疶I鍏徃浜�1996骞存帹鍑虹殑鏂颁竴浠e畾榛�(di菐n)鏁�(sh霉)瀛椾俊铏�(h脿o)铏曠悊鍣�銆傚畠閲囩敤鍏堥€�(j矛n)鐨勪慨姝e搱浣涚祼(ji茅)妲�(g貌u)锛岀墖鍏�(n猫i)鍏辨湁鍏绺界窔锛堜竴姊濈▼搴忓瓨鍎�(ch菙)鍣ㄧ附绶�锛屼笁姊濇暩(sh霉)鎿�(j霉)瀛樺劜(ch菙)鍣ㄧ附绶氾紝鍥涙鍦板潃绺界窔锛�銆丆PU銆佸湪鐗囧瓨鍎�(ch菙)鍣ㄥ拰鍦ㄧ墖澶栧湇闆昏矾纭欢锛屽姞涓婇珮搴﹀皥妤�(y猫)鍖栫殑鎸囦护绯荤当(t菕ng)锛屼娇C5402鍏锋湁鍔熻€楀皬銆侀珮搴﹀苟琛岀瓑鍎�(y艒u)榛�(di菐n)锛屽彲浠ユ豢瓒崇溇澶氶牁(l菒ng)鍩熺殑瀵�(sh铆)鏅�(sh铆)铏曠悊瑕佹眰銆�
C5402鐨勪富瑕佺壒榛�(di菐n)濡備笅锛�
鈼忓湇绻炲叓姊濈附绶氭(g貌u)鎴愮殑澧炲挤(qi谩ng)鍨嬪搱浣涚祼(ji茅)妲�(g貌u)锛�
鈼忛珮搴﹀苟琛屽拰甯舵湁灏堟キ(y猫)纭欢閭忚集鐨凜PU瑷�(sh猫)瑷�(j矛)锛�
鈼忛珮搴﹀皥妤�(y猫)鍖栫殑鎸囦护绯荤当(t菕ng)锛�
鈼忔ā濉婂寲绲�(ji茅)妲�(g貌u)瑷�(sh猫)瑷�(j矛)锛�
鈼忓厛閫�(j矛n)鐨処C宸ヨ棟锛�
鈼忚兘闄嶄綆鍔熻€楀拰鎻愰珮鎶楁牳杓诲皠鑳藉姏鐨勬柊鐨勯潨闆昏ō(sh猫)瑷�(j矛)鏂规硶銆�
3.4寰�(f霉)浣嶉浕璺ō(sh猫)瑷�(j矛)
DSP鐨勭‖浠跺京(f霉)浣嶆柟寮忔湁涓婇浕寰�(f霉)浣嶅拰鎵嬪嫊(d貌ng)寰�(f霉)浣嶅叐绋柟寮�銆俆MS320VC5402 DSP鐨勫京(f霉)浣嶈几鍏ヤ俊铏�(h脿o) 鏄‖浠跺京(f霉)浣嶄俊铏�(h脿o)鐨勮几鍏ョ鑵�銆傚湪 绠¤叧杓稿叆浣庨浕骞筹紝寰�(f霉)浣嶉倧杓皣鎺у埗DSP鐨勫収(n猫i)閮ㄩ倧杓垵濮嬪寲锛屽苟鍠氶啋DSP鍒濆鍖栬粺浠剁殑鍩�(zh铆)琛屻€傜偤浣胯姱鐗囧垵濮嬪寲姝e父锛屽京(f霉)浣嶄俊铏�(h脿o)蹇呴爤鑷冲皯淇濇寔5鍊�(g猫)澶栭儴鏅�(sh铆)閻�銆傜劧鑰岋紝鍦ㄤ笂闆诲悗锛岀郴绲�(t菕ng)鐨勬櫠楂旀尟钑╁櫒寰€寰€闇€瑕佸咕鐧炬绉掔殑绌�(w臎n)瀹氭湡锛屽洜姝�锛屽京(f霉)浣嶉浕璺渶濂借兘鐢�(ch菐n)鐢熷ぇ浜�200ms鐨勪綆鑴堟矕銆備笅闈㈢殑鍦�3灏辨槸涓婇浕寰�(f霉)浣嶅拰鎵嬪嫊(d貌ng)寰�(f霉)浣嶇祼(ji茅)鍚堢殑寰�(f霉)鍚圧C寰�(f霉)浣嶉浕璺殑鍘熺悊鍦�銆傚埄鐢≧C闆昏矾鐨勫欢閬茬壒鎬х郸鍑哄京(f霉)浣嶆墍闇€鐨勪綆闆诲钩鏅�(sh铆)闁擄紝寰�(f霉)浣嶆檪(sh铆)闁撲富瑕佺敱R鍜孋鐨勪箻绌嶆焙瀹�銆�
RS铏曠殑闆诲 V=VCC锛�1-e[sup]-t/喂[/sup]锛� 喂=RC
瑷�(sh猫)V1锛�1.0V鐐轰綆闆诲钩鑸囬珮闆诲钩鐨勫垎鐣岄粸(di菐n)锛屽墖
t= -RC1n锛�1-V[sub]1[/sub]/VCC锛�
閬告搰R锛�100K惟锛孋锛�10渭F锛屽彲寰梩锛�223ms锛屽緸鑰屾豢瓒冲京(f霉)浣嶉渶瑕�銆�
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鍦�3 DSP寰�(f霉)浣嶉浕璺師鐞嗗湒[/align]
3.5FLASH MEMORY瀛樺劜(ch菙)鍣�
TMS320VC5402鐨勭墖涓婂瓨鍎�(ch菙)鍣ㄥ寘鎷洐鍙i毃姗�(j墨)瀛樺劜(ch菙)鍣紙DARAM锛夊拰鍙畝瀛樺劜(ch菙)鍣紙ROM锛夈€侱ARAM瀛樺彇閫熷害蹇�锛屼絾鏄矑鏈夋帀闆诲瓨鍎�(ch菙)鍔熻兘锛涜€孯OM灏�(du矛)浜庢櫘閫氱敤鎴朵締瑾槸涓嶈兘閲嶅京(f霉)鎿﹀鐨勶紝鍙湁鐢熺敘(ch菐n)鑺墖鐨勫粻瀹跺彲浠ュ湪鐢熺敘(ch菐n)鐨勬檪(sh铆)鍊欏彲浠ユ寜鐓х敤鎴剁殑瑕佹眰瀵叆鏁�(sh霉)鎿�(j霉)銆傞€欏叐绋瓨鍎�(ch菙)鍣ㄩ兘涓嶉仼鍚堜笉鏂锋敼瀵�锛岃€屼笖甯屾湜鑳芥帀闆讳繚瀛樻暩(sh霉)鎿�(j霉)鐨勮姹�銆傛墍浠ュ繀闋堟摯(ku貌)灞曞閮ㄧ殑瀛樺劜(ch菙)鍣�銆傞€欓噷閲囩敤楂旂⿳灏�锛岃畝瀵€熷害蹇殑FLASH瀛樺劜(ch菙)鍣ˋm29lv800b銆�
3.6鏅�(sh铆)閻橀浕璺�
鏅�(sh铆)閻樼櫦(f膩)鐢熷櫒鐐篋SP鑺墖鎻愪緵绮剧⒑鐨勬檪(sh铆)閻樹俊铏�(h脿o)銆傛檪(sh铆)閻樼櫦(f膩)鐢熷櫒鏄敱鍏�(n猫i)閮ㄦ尟钑╁櫒鍜岄帠鐩哥挵(hu谩n)锛圥LL锛夐浕璺叐閮ㄥ垎绲勬垚銆傛檪(sh铆)閻樼櫦(f膩)鐢熷櫒瑕佹眰鏈変竴鍊�(g猫)鍙冭€冪殑鏅�(sh铆)閻樿几鍏�锛屽彲浠ユ湁鍏╃ó鏂瑰紡鎻愪緵銆�
1锛夋櫠楂旇法鎺ュ埌X1鍜孹2/CLKIN寮曡叧鍏╃锛屼娇鍏�(n猫i)閮ㄦ尟钑╁櫒宸ヤ綔锛屾(g貌u)鎴愬収(n猫i)閮ㄦ尟钑╁櫒鐨勫弽楗嬮浕璺€傚叐鍊�(g猫)闆诲鍊肩偤22pf銆傚鏋滃伐浣滃湪璜ф尝鏂瑰紡锛屽墖閭勮鍔犱竴浜涘厓浠�銆�
2锛夊閮ㄦ檪(sh铆)閻樹俊铏�(h脿o)鐩存帴鍔犲埌X2/CLKIN寮曡叧銆�
鏈郴绲�(t菕ng)閲囩敤绗竴绋帴娉�銆�
3.7DSP绯荤当(t菕ng)鐢ㄩ浕婧愰浕璺�
1锛� 闆绘簮杞�(zhu菐n)鎻涢浕璺�
闆绘簮鏄疍SP鑺墖鑳藉姝e父宸ヤ綔鐨勪繚璀�锛孴MS320VC5402鐐轰綆鍔熻€�銆侀洐闆绘簮渚涢浕銆傚叾澶栧湇闆昏矾宸ヤ綔闆诲鐐�3.3浼�锛岃€屽収(n猫i)鏍稿伐浣滈浕澹撶偤1.8V锛屽洜姝ゅ繀闋堥€�(j矛n)琛岄浕澹撹綁(zhu菐n)鎻�锛屼互寰楀埌鍚堥仼鐨勯浕婧愰浕澹�銆傚悓鏅�(sh铆)锛岀偤浜嗛檷浣庢暣鍊�(g猫)绯荤当(t菕ng)鐨勫姛鑰�锛屾暣鍊�(g猫)闆昏矾绯荤当(t菕ng)閮介噰鐢�3.3V浣庡姛鑰楃殑鍣ㄤ欢銆�
閫欓噷閲囩敤TI灏堥杸鐐哄叾DSPs瑷�(sh猫)瑷�(j矛)鐨凾PS767D301绶氭€ц(di脿o)澹撻浕璺姱鐗囥€俆PS767D301鏄疶I鎺ㄥ嚭鐨凾PS767D3XX绯诲垪涓殑涓€绋�锛屾槸涓€绋富瑕佺敤浜庨渶瑕佸叐绋笉鍚岄浕澹撲緵闆荤郴绲�(t菕ng)鐨勮姱鐗�銆傛牴鎿�(j霉)闆昏矾瑕佹眰鐨勪笉鍚�锛屽畠鍙互宸ヤ綔鍦�3.3V/2.5V銆�3.3V/1.8V浠ュ強3.3V/鍙(di脿o)闆诲杓稿嚭閫欎笁绋ā寮�锛屾瘡涓€璺几鍑洪浕娴佹渶澶ч兘鍙互閬�(d谩)鍒�1A銆傞浕婧愯(di脿o)绡€(ji茅)鍕�(d貌ng)鎱�(t脿i)闊挎噳(y墨ng)蹇紝鍦ㄩ亷杓夋垨鑰呴珮婧笅瑾�(di脿o)绡€(ji茅)闆诲鐨勮宸篃涓嶈秴閬�2锛�銆傞浕澹撶┅(w臎n)瀹�锛屽湪1A鐨勯浕娴佷笅闆诲闄嶇偤350mV銆傛瘡涓€璺几鍑洪兘甯舵湁涓婇浕寰�(f霉)浣嶅拰浣庡鐩�(ji膩n)瑕栧京(f霉)浣嶅姛鑳�锛屽彲浠ュ湪涓婇浕200ms涔嬪悗杓稿嚭寰�(f霉)浣嶄俊铏�(h脿o)锛屼繚璀塂SP绯荤当(t菕ng)鍙潬寰�(f霉)浣�锛屼篃鍙互鍦ㄧ郴绲�(t菕ng)閬�(y霉n)琛屼腑鐩�(ji膩n)娓郴绲�(t菕ng)闆诲锛岀暥(d膩ng)绯荤当(t菕ng)闆诲浣庝簬涓€鍥哄畾鍊兼檪(sh铆)锛岃几鍑哄京(f霉)浣嶄俊铏�(h脿o)锛屽暉鍕�(d貌ng)绯荤当(t菕ng)寰�(f霉)浣�锛屼繚璀夌郴绲�(t菕ng)鍙潬宸ヤ綔銆傚櫒浠剁殑绗竴鍊�(g猫)杓稿嚭闆诲鐐哄浐瀹氱殑3.3V锛屽櫒浠剁殑绗簩鍊�(g猫)杓稿嚭闆诲鐐哄彲瑾�(di脿o)鐨勶紝 V[sub]0[/sub]鐐烘垜鍊戦渶瑕佺殑杓稿嚭闆诲锛孷[sub]0[/sub]鐨勮▓(j矛)绠楀叕寮忕偤锛�
2锛塂SP闆绘簮鍦扮窔璺宠簫
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1.瀛繆鑻�,鑳¤泊姹�.瓒婇噹杓告补绠¢亾闃叉紡鐩滅洠(ji膩n)娓郴绲�(t菕ng)鐨勮ō(sh猫)瑷�(j矛)鑸囧(sh铆)鐝�(xi脿n)[J].鍎€琛ㄦ妧琛�(sh霉)鑸囧偝鎰熷櫒. 2003骞�.10鏈�:21锝�25
2.鐜嬬ぞ鍦�,榄忚壏濞�,钁f剾姒�.鍩轰簬DSP鐨勮獮闊宠檿鐞嗗拰璀�(sh铆)鍒ョ郴绲�(t菕ng)鐨勫(sh铆)鐝�(xi脿n)[J].寰▓(j矛)绠楁(j墨)淇℃伅.2007骞�23鏈�:179锝�181
3.妤婃槑閬�(yu菐n), 闄虫槑缇�.TMS320C5402鑺墖鍩烘湰纭欢瑷�(sh猫)瑷�(j矛)[J].灞辫タ闆诲瓙鎶€琛�(sh霉).2007骞�04鏈�:27锝�28
4.鏉庣稉(j墨ng)閬�(d谩).寰�(f霉)浣嶉浕璺ō(sh猫)瑷�(j矛)鎳�(y墨ng)娉ㄦ剰鐨勫晱椤孾J].瑷�(j矛)绠楁(j墨)鎳�(y墨ng)鐢ㄧ爺绌�.1994骞�.06鏈�:80