基于压电振动俘能的自供电刮板输送机张力检测系统.pdf

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1、乖爸矛删传感技术学报V01．28No．92015年9月CHINESEJOURNALOFSENSORSANDACTUATORSSept．2015Self-PoweredTensionTestingSystemforScraperConveyorBasedonPiezoelectricVibrationEnergyHarvestedZHANGQiang，，，WANGHaitian，MAOJun，ZHANGDongsheng，YUANZhi(1．CollegeofMechanicalEngineering，LiaoningTechnicalUniversity

2、，FuxinLiaoning123000，China；2．StateKeyLaboratoryofStructuralAnalysisforIndustrialEquipment，DalianUniversityofTechnology，DalianLiaoningi16023，China；3．ChinanationalcoalminingequipmentCO．，LTD．，Beijing100011，China；4．SichuanUniversityofScience&Engineering，MaterialCorrosionandProtection

3、KeyLaboratoryofSichuanProvince，ZigongSichuan643000，China)Abstract：Inordertorealizetheeffectivedetectionforthechaintensionofscraperconveyorintheprocessofrun—ning，andovercometheproblemofpower-supplymodulewhichneedsregulardisassemblyandreplacement，pro—poseakindofself-poweredtensiont

4、estingsystemforscraperconveyorbasedonpiezoelectricvibrationenergyhar—vested．realizetheeffectiveconversionofelectricalenergybycollectingthevibrationenergyproducedintherun—ningprocessofscraper，ensurethelong-termeffectivenessworkingoftensiondetectiondeviceandwirelesssignallauncher．T

5、hroughmultiplecyclestensiondetectionofsystem，theexperimentsshowthat，theself-poweredperfor—manceoftestingsystemisstable；intercept103Sfortheanalysisofsinglecycle，themaximumtensionpeakvalueis274．2kNduringthescraperrunningthroughthesprocket，therunningresistanceoflowerchainis12kNwhich

6、isgotbycomputingthemeshingpointtensiondifferenceofbothends，thetestingresultsfittheactualworkingcondi—tion，itshowsthatthesystemhashighertestaccuracyandreliability．Keywords：sensorapplication；tensiontest；piezoelectric；scraperconveyor；vibration；self-poweredEEACC：7230doi：10．39690．issn

7、．1004-1699．2015．09．012基于压电振动俘能的自供电刮板输送机张力检测系统张强，王海舰，毛君，张东升，袁智(1．辽宁工程技术大学机械工程学院，辽宁阜新123000；2．大连理工大学工业装备结构分析国家重点实验室，大连116023；3．中国煤矿机械装备有限责任公司，北京100011；4．四川理工学院材料腐蚀与防护四川省重点实验室，四川自贡643000)摘要：为实现对刮板输送机运行过程中链条张力的有效检测，克服供电模块需要定期拆卸更换的难题，提出了一种基于压电振动俘能自供电的刮板输送机张力检测系统。通过采集刮板运行过程中产生的振动能量实现电能

8、的有效转换，保证张力检测装置和无线信号发射装置长期有效工作。通过系统多个周期张力