CN110132317A - 蜗壳流道的检测方法 - Google Patents

蜗壳流道的检测方法 Download PDF

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Publication number
CN110132317A
CN110132317A CN201910494001.9A CN201910494001A CN110132317A CN 110132317 A CN110132317 A CN 110132317A CN 201910494001 A CN201910494001 A CN 201910494001A CN 110132317 A CN110132317 A CN 110132317A
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China
Prior art keywords
flow passage
detection
magnet
inductor
spiral casing
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CN201910494001.9A
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郑昌畅
罗重一
丁仕东
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Jiangsu Shiyicheng Mechanical And Electrical Technology Co Ltd
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Jiangsu Shiyicheng Mechanical And Electrical Technology Co Ltd
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Priority to CN201910494001.9A priority Critical patent/CN110132317A/zh
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
    • G01D5/145—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields

Abstract

本发明涉及蜗壳检测方法领域，尤其是蜗壳流道的检测方法。该检测方法的步骤为：a)首先将磁铁固定在检测芯棒的端头；b)然后将检测芯棒上带有磁铁的端头伸入蜗壳的流道内，直到磁铁触底；c)最后将感应器移动至蜗壳流道底部的位置，如果感应器发出感应信号，则说明流道检测合格；如果感应器没有发出感应信号，则说明流道堵塞。本发明通过在检测芯棒端头处固定磁铁，将磁铁伸入蜗壳流道的尽头。将感应器移动至蜗壳流道的底端进行感测，从而实现流道通堵的检测。避免了因为检测芯棒的可形变和伸缩性带来的检测失误。

Description

蜗壳流道的检测方法
技术领域
本发明涉及蜗壳检测方法领域，尤其是蜗壳流道的检测方法。
背景技术
发动机的涡轮增压器的蜗壳，在铸造的过程中，模具的砂芯有一定概率会发生断裂。当砂芯断裂之后，蜗壳的流道就会堵塞。而现有的流道通堵检测方法，是使用弹簧伸入流道内，根据弹簧伸入蜗壳流道内的长度，来判断流道是否堵塞。但是由于弹簧具有伸缩性和可弯曲性，因此会出现检测失误的情况发生。
发明内容
本发明要解决的技术问题是：为了解决现有的检测方法会出现失误的不足，本发明提供了一种蜗壳流道的检测方法，通过在检测芯棒端头处固定磁铁，将磁铁伸入蜗壳流道的尽头。将感应器移动至蜗壳流道的底端进行感测，从而实现流道通堵的检测。避免了因为检测芯棒的可形变和伸缩性带来的检测失误。
本发明解决其技术问题所采用的技术方案是：
一种蜗壳流道的检测方法，该检测方法的步骤为：
a)首先将磁铁固定在检测芯棒的端头；
b)然后将检测芯棒上带有磁铁的端头伸入蜗壳的流道内，直到磁铁触底；
c)最后将感应器移动至蜗壳流道底部的位置，如果感应器发出感应信号，则说明流道检测合格；如果感应器没有发出感应信号，则说明流道堵塞。
具体地，所述检测芯棒为软轴或弹簧。
具体地，所述感应器为霍尔传感器。
本发明的有益效果是：本发明提供了一种蜗壳流道的检测方法，通过在检测芯棒端头处固定磁铁，将磁铁伸入蜗壳流道的尽头。将感应器移动至蜗壳流道的底端进行感测，从而实现流道通堵的检测。避免了因为检测芯棒的可形变和伸缩性带来的检测失误。
具体实施方式
现在对本发明作进一步详细的说明。
一种蜗壳流道的检测方法，该检测方法的步骤为：
a)首先将磁铁固定在检测芯棒的端头。
b)然后将检测芯棒上带有磁铁的端头伸入蜗壳的流道内，直到磁铁触底。由于检测芯棒为软轴或弹簧，因此检测芯棒能够沿着弯曲的蜗壳的流道前进。
c)最后将感应器移动蜗壳流道底部的位置(此处位置为合格的蜗壳流道的底部)，如果感应器发出感应信号，则说明磁铁已经位于流道的底部，则说明该蜗壳流道检测合格。如果感应器没有发出感应信号，则说明磁铁无法伸入到蜗壳流道的底部，则说明该流道堵塞，则判定该蜗壳不合格。感应器为霍尔传感器。。
以上述依据本发明的理想实施例为启示，通过上述的说明内容，相关工作人员完全可以在不偏离本项发明技术思想的范围内，进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定其技术性范围。

Claims (3)

1.一种蜗壳流道的检测方法，其特征在于，该检测方法的步骤为：
a)首先将磁铁固定在检测芯棒的端头；
b)然后将检测芯棒上带有磁铁的端头伸入蜗壳的流道内，直到磁铁触底；
c)最后将感应器移动至蜗壳流道底部的位置，如果感应器发出感应信号，则说明流道检测合格；如果感应器没有发出感应信号，则说明流道堵塞。
2.根据权利要求1所述的蜗壳流道的检测方法，其特征在于：所述检测芯棒为软轴或弹簧。
3.根据权利要求1所述的蜗壳流道的检测方法，其特征在于：所述感应器为霍尔传感器。
CN201910494001.9A 2019-06-08 2019-06-08 蜗壳流道的检测方法 Pending CN110132317A (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202383304U (zh) * 2011-12-16 2012-08-15 中国石油天然气股份有限公司 清管器在线检测装置
CN104330015A (zh) * 2013-07-22 2015-02-04 宜昌东方微磁科技有限责任公司 一种管道清洗球位置检测系统
CN205067771U (zh) * 2015-10-18 2016-03-02 威斯卡特工业（中国）有限公司 涡流道内腔探测工具
CN206514801U (zh) * 2016-11-24 2017-09-22 联塑市政管道（河北）有限公司 一种管材内部堵塞检测装置
US20190004124A1 (en) * 2017-06-29 2019-01-03 Tsinghua University High-precision imaging and detecting device for detecting small defect of pipeline by helical magnetic matrix
CN208420372U (zh) * 2018-05-31 2019-01-22 科华控股股份有限公司 一种能判断涡壳流道流通能力的检测装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202383304U (zh) * 2011-12-16 2012-08-15 中国石油天然气股份有限公司 清管器在线检测装置
CN104330015A (zh) * 2013-07-22 2015-02-04 宜昌东方微磁科技有限责任公司 一种管道清洗球位置检测系统
CN205067771U (zh) * 2015-10-18 2016-03-02 威斯卡特工业（中国）有限公司 涡流道内腔探测工具
CN206514801U (zh) * 2016-11-24 2017-09-22 联塑市政管道（河北）有限公司 一种管材内部堵塞检测装置
US20190004124A1 (en) * 2017-06-29 2019-01-03 Tsinghua University High-precision imaging and detecting device for detecting small defect of pipeline by helical magnetic matrix
CN208420372U (zh) * 2018-05-31 2019-01-22 科华控股股份有限公司 一种能判断涡壳流道流通能力的检测装置

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Application publication date: 20190816