CN103675721A - Open-loop magnetic flux sensor - Google Patents
Open-loop magnetic flux sensor Download PDFInfo
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- CN103675721A CN103675721A CN201310719552.3A CN201310719552A CN103675721A CN 103675721 A CN103675721 A CN 103675721A CN 201310719552 A CN201310719552 A CN 201310719552A CN 103675721 A CN103675721 A CN 103675721A
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- magnetic flux
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- flux sensor
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Abstract
The invention discloses an open-loop magnetic flux sensor and belongs to the technical field of magnetic flux detecting sensors. The open-loop magnetic flux sensor comprises two structurally symmetrical sensor structural units, wherein the centers of the two sensor structural units form a section in a hollow circular structure; a steel cable is placed on the hollow circular structure; multiple fixed holes are formed in the sensor structural units; a temperature sensor is arranged inside each sensor structural unit; each sensor structural unit comprises an open-loop exciting coil and an open-loop sensing coil. The open-loop magnetic flux sensor is of an open loop structure which is composed of two symmetrical parts, can be combined on the steel cable, and also can be taken down from the steel cable simply. A magnetic flux cable force test can be carried out for the steel cable without sleeving the open-loop magnetic flux sensor in the steel cable. The open-loop magnetic flux sensor can reduce the cost of the magnetic flux sensor, can increase popularizing rate of the magnetic flux sensor and has great significance for hidden danger inspection of bridges.
Description
Technical field
The present invention relates to a kind of open loop magnetic flux transducer, belong to magnetic flux detecting sensor technical field.
Background technology
British scientist joule in 1842, find magnetoelastic effect. when external world's machinery load that ferrimagnet bears changes, its inner magnetization (magnetic permeability) changes, and the magnetic permeability of the member of making by measurement ferrimagnet changes, and measures the internal force of member.
Known magnetic flux quantity detection sensor, is closed loop configuration, and generation need to be inserted in cable wire in advance. but to the cable of having built up, can not test.
Known magnetic flux quantity detection sensor, shortcoming be, for closed loop configuration, need to be when building, need to be inserted in advance in cable, can not built cable be detected. known magnetic flux quantity sensor, test can not be dismantled after installing, a cable wire just needs a magnetic flux transducer, and material cost is high.
Summary of the invention
In order to overcome above-mentioned defect, the object of the present invention is to provide a kind of open loop magnetic flux transducer, this sensor detects the cable wire of having built up, and many cable wires can be used a magnetic flux transducer test.
In order to achieve the above object, the present invention adopts following technical scheme:
An open loop magnetic flux transducer, it comprises the sensor construction unit of two symmetrical structures, and in two sensor construction unit, being formed centrally a cross section is open circles structure, and open circles structural formula placement cable wire is used; On described sensor construction unit, be provided with a plurality of fixed orifices, in the inside of sensor construction unit, be provided with temperature sensor;
Described each sensor construction unit comprises open-loop excitation coil and open loop inductive coil.
The wire of described open-loop excitation coil and open loop inductive coil is drawn from the end face of sensor construction unit.
Beneficial effect of the present invention:
The present invention is a kind of open loop structure, symmetrical two parts, consists of, and can be combined on cable wire, also can simply from cable wire, take off. do not need to be inserted in cable wire and just can carry out magnetic flux Suo Li test to cable wire.
The present invention can reduce the cost of magnetic flux transducer. improve the popularity rate of magnetic flux transducer. the hidden troubles removing to bridge is significant.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of sensor construction unit (1) in the present invention.
Embodiment
Below in conjunction with accompanying drawing, describe the present invention:
An open loop magnetic flux transducer, it comprise two symmetrical structures 1, two sensor construction unit 1, sensor construction unit in to be formed centrally a cross section be open circles structure 2; On described sensor construction unit 1, be provided with a plurality of fixed orifices 3, in the inside of sensor construction unit 1, be provided with temperature sensor 4;
Described each sensor construction unit 1 comprises open-loop excitation coil 6 and open loop inductive coil 7.
The wire 5 of described open-loop excitation coil 6 and open loop inductive coil 7 is drawn from the end face of sensor construction unit 1.
Cable wire is energized after coil magnetizing, in his surrounding, produces induced voltage, and the induced voltage that half coil obtains is half of complete circle, utilizes electromangnetic spectrum, and the induced voltage that each section lead is produced is together in series, and obtains stronger induced voltage.For calculating the size of Suo Li.
Claims (2)
1. an open loop magnetic flux transducer, is characterized in that: it comprises the sensor construction unit (1) of two symmetrical structures, and in two sensor construction unit (1), being formed centrally a cross section is open circles structure (2); On described sensor construction unit (1), be provided with a plurality of fixed orifices (3), in the inside of sensor construction unit (1), be provided with temperature sensor (4);
Described each sensor construction unit (1) comprises open-loop excitation coil (6) and open loop inductive coil (7).
2. open loop magnetic flux transducer according to claim 1, is characterized in that: the wire (5) of described open-loop excitation coil (6) and open loop inductive coil (7) is drawn from the end face of sensor construction unit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310719552.3A CN103675721B (en) | 2013-12-24 | 2013-12-24 | Open-loop magnetic flux sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310719552.3A CN103675721B (en) | 2013-12-24 | 2013-12-24 | Open-loop magnetic flux sensor |
Publications (2)
| Publication Number | Publication Date |
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| CN103675721A true CN103675721A (en) | 2014-03-26 |
| CN103675721B CN103675721B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310719552.3A Active CN103675721B (en) | 2013-12-24 | 2013-12-24 | Open-loop magnetic flux sensor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768503A (en) * | 2016-11-14 | 2017-05-31 | 南昌航空大学 | A kind of magnetic-elastic stress sensor and cable cable force measurement system |
| CN107255484A (en) * | 2017-06-22 | 2017-10-17 | 辽宁工程技术大学 | A kind of novel open-close type magnetic flux transducer and rod member for grid axial force test method |
| CN109683114A (en) * | 2019-01-31 | 2019-04-26 | 广西大学 | A kind of assembling electromagnetic sensor measuring system |
| CN114544044A (en) * | 2022-02-23 | 2022-05-27 | 北京奇力建通工程技术有限公司 | Magnetic flux sensor detection member and open type magnetic flux sensor |
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| KR101192286B1 (en) * | 2011-02-09 | 2012-10-17 | 한국표준과학연구원 | Device for detecting LF and LMA of wire rope |
| CN202661213U (en) * | 2012-05-04 | 2013-01-09 | 东南大学 | Coupled and externally-mounted steel stay rope force detection device |
| CN202757721U (en) * | 2012-04-06 | 2013-02-27 | 江西飞尚科技有限公司 | Magnetic-flux cable force detection device |
| CN203037385U (en) * | 2013-01-08 | 2013-07-03 | 重庆交通大学 | Suspender tension sensor with by-path excitation |
| CN203100943U (en) * | 2012-12-26 | 2013-07-31 | 北京科技大学 | Telescopic type magnetic flux sensing and acquiring device |
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2013
- 2013-12-24 CN CN201310719552.3A patent/CN103675721B/en active Active
Patent Citations (9)
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| EP1266614A1 (en) * | 2001-06-15 | 2002-12-18 | Biosense, Inc. | Medical device with a position sensor |
| KR101192286B1 (en) * | 2011-02-09 | 2012-10-17 | 한국표준과학연구원 | Device for detecting LF and LMA of wire rope |
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| CN202757721U (en) * | 2012-04-06 | 2013-02-27 | 江西飞尚科技有限公司 | Magnetic-flux cable force detection device |
| CN102680156A (en) * | 2012-05-04 | 2012-09-19 | 东南大学 | Coupled external mounted steel stay rope force detection device and method |
| CN202661213U (en) * | 2012-05-04 | 2013-01-09 | 东南大学 | Coupled and externally-mounted steel stay rope force detection device |
| CN203100943U (en) * | 2012-12-26 | 2013-07-31 | 北京科技大学 | Telescopic type magnetic flux sensing and acquiring device |
| CN203037385U (en) * | 2013-01-08 | 2013-07-03 | 重庆交通大学 | Suspender tension sensor with by-path excitation |
| CN203643588U (en) * | 2013-12-24 | 2014-06-11 | 江西飞尚科技有限公司 | Open loop magnetic flux sensor |
Non-Patent Citations (1)
| Title |
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| 邓年春等: "应用磁通量传感器监测体内预应力研究", 《预应力技术》, no. 3, 31 December 2010 (2010-12-31), pages 3 - 7 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768503A (en) * | 2016-11-14 | 2017-05-31 | 南昌航空大学 | A kind of magnetic-elastic stress sensor and cable cable force measurement system |
| CN106768503B (en) * | 2016-11-14 | 2019-06-25 | 南昌航空大学 | A kind of magnetic-elastic stress sensor and cable cable force measurement system |
| CN107255484A (en) * | 2017-06-22 | 2017-10-17 | 辽宁工程技术大学 | A kind of novel open-close type magnetic flux transducer and rod member for grid axial force test method |
| CN109683114A (en) * | 2019-01-31 | 2019-04-26 | 广西大学 | A kind of assembling electromagnetic sensor measuring system |
| CN114544044A (en) * | 2022-02-23 | 2022-05-27 | 北京奇力建通工程技术有限公司 | Magnetic flux sensor detection member and open type magnetic flux sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103675721B (en) | 2017-01-18 |
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