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压力传感器在土壤压力测量中的应用

2011-9-26

TURANGYALICHUANGANQIGAISHU

土壤压力传感器主要通过敏感元件测试土壤的水分,湿度,温度,硬度,紧实度的传感器,然后通过电路把处理好的信号传送到二次设备显示。土壤传感器种类分为土壤水分传感器,湿度传感器,温度传感器,湿度传感器,土壤墒情传感器等。

土壤压力传感器

TURANGCHUANGANQIFENLEICHULI

1﹑TURANGSHUIFENCHUANGANQI

TURANGSHUIFENSHIZHICUNZAITURANGKONGXIZHONGDESHUIFEN,KETONGGUOJIANGTURANGZAI105~110℃XIAHONGGANSUOSHIFANGDESHUIFENLIANGZUOWEITURANGDEHANSHUILIANG。TURANGSHUIFENSHICEDINGTURANGXINGNENGDEQIZHONGYIXIANGZHONGYAOZHIBIAO,SHINONGYEGONGZUOZHEJINXINGBOZHONG,GUANGAI,SHIFEIDENGHUODONGSHIBIXULEJIEDETURANGCANSHU。TURANGSHUIFENDECEDINGDUINONGYE、LINYE、DIZHI、JIANZHUDENGXINGYEJUYOUZHONGYAOYIYI。SHUIFENSHIJUEDINGTURANGJIEDIANCHANGSHUDEZHUYAOYINSU,CELIANGTURANGDEJIEDIANCHANGSHU,NENGZHIJIEWENDINGDIFANYINGGEZHONGTURANGDEZHENSHISHUIFENHANLIANG,YUTURANGBENSHENDEJILIWUGUAN,SHIMUQIANGUOJISHANGZUILIUXINGDETURANGSHUIFENCELIANGFANGFA。TR-5XINGTURANGSHUIFENCHUANGANQISHIYIKUANGAOJINGDU、GAOLINGMINDUDECELIANGTURANGSHUIFENDECHUANGANQI。

2﹑SHIDUCHUANGANQI

SHIMINDIANRONGYIBANSHIYONGGAOFENZIBOMODIANRONGZHICHENGDE,CHANGYONGDEGAOFENZICAILIAOYOUJUBENYIXI、JUXIANYAAN、LAOSUANCUSUANXIANWEIDENG。DANGHUANJINGSHIDUFASHENGGAIBIANSHI,SHIMINDIANRONGDEJIEDIANCHANGSHUFASHENGBIANHUA,SHIQIDIANRONGLIANGYEFASHENGBIANHUA,QIDIANRONGBIANHUALIANGYUXIANGDUISHIDUCHENGZHENGBI。

DIANZISHISHIMINCHUANGANQIDEZHUNQUEDUKEDA2~3%RH,ZHEIBIGANSHIQIUCESHIJINGDUGAO。

SHIMINYUANJIANDEXIANXINGDUJIKANGWURANXINGCHA,ZAIJIANCEHUANJINGSHIDUSHI,SHIMINYUANJIANYAOZHANGQIBAOLUZAIDAICEHUANJINGZHONG,HENRONGYIBEIWURANERYINGXIANGQICELIANGJINGDUJIZHANGQIWENDINGXING。ZHEIFANGMIANMEIYOUGANSHIQIUCESHIFANGFAHAO。

3﹑WENDUCHUANGANQI,SHIDUCHUANGANQI

是指能够直接在土壤里将温度量和湿度量两个基本的物理信号直接转化为电信号的装置。由于温度不管是从物理量本身还是在实际人们的生活中都有着密切的关系,所以温度传感器就会相应产生。

4﹑TURANGSHANGQINGCHUANGANQI

SHANG,ZHISHIHEZHIWUSHENGZHANGFAYUDESHIDUTURANG。SHANGQING,ZHITURANGSHIDUDEQINGKUANG。TURANGSHIDUDEQINGKUANGKEYONG2ZHONGFANGFABIAOSHI:

①YONGTURANGHANSHUILIANGZHANGANTUZHONGDEBAIFENSHUBIAOSHI:TURANGHANSHUILIANG=SHUIFENZHONG/HONGGANTUZHONG×100%。       

②YONGTURANGDEHANSHUILIANGXIANGDANGYUTIANJIANCHISHUILIANGBAIFENBILAIBIAOSHI。TURANGSHIWEISHENGWUHUODONGHENONGZUOWUSHENGZHANGFAYUDEZHONGYAOTIAOJIANZHIYI。

TURANGSHIDUSHOUDAQI、TUZHI、ZHIWUDENGTIAOJIANDEYINGXIANG。ZAIYEWAIPANDUANTURANGSHIDUTONGCHANGYONGSHOULAIJIANBIE,YIBANFENWEISIJI:

(1)SHI,YONGSHOUJIYASHISHUINENGCONGTURANGZHONGLIUCHU;

(2)CHAO,FANGZAISHOUSHANGLIUXIASHIDEHENJIKECUOCHENGTUQIUHUOTIAO,DANWUSHUILIUCHU;

(3)RUN,FANGZAISHOUSHANGYOULIANGRUNGANJUE,YONGSHOUYASHAOLIUXIAYINHEN;

(4)温,放在手上无凉快感觉,粘土成为硬块。本文源自泽天传感,转载请保留出处。

应用图片

ZANWUTUPIAN。