CN109683114A - A kind of assembling electromagnetic sensor measuring system - Google Patents
A kind of assembling electromagnetic sensor measuring system Download PDFInfo
- Publication number
- CN109683114A CN109683114A CN201910098255.9A CN201910098255A CN109683114A CN 109683114 A CN109683114 A CN 109683114A CN 201910098255 A CN201910098255 A CN 201910098255A CN 109683114 A CN109683114 A CN 109683114A
- Authority
- CN
- China
- Prior art keywords
- electromagnetic sensor
- electromagnet
- electromagnetic
- bobbinet
- nylon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/12—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
- G01L1/127—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress by using inductive means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/0005—Geometrical arrangement of magnetic sensor elements; Apparatus combining different magnetic sensor types
Abstract
The invention discloses a kind of assembling electromagnetic sensor measuring systems, including electromagnetic sensor and electromagnetism measurement apparatus, the electromagnetic sensor includes 2 corresponding half electromagnetic sensors, half electromagnetic sensor includes electromagnet and the nylon bobbinet positioned at the electromagnet inner ring, there is measuring coil between the electromagnet and nylon bobbinet, the measuring coil is electrically connected with the electromagnetism measurement apparatus, and the electromagnet outer ring is cased with outer sleeve.The invention belongs to electromagnetic induction non-cpntact measurement, being directly sleeved on outside component can be used, and had the protective layers such as PE not need to destroy outside component, do not damaged original protection system of structure.The solid reliable, long service life of such electromagnetic sensor measuring system, long-term measurement stability are good, and measurement accuracy meets engineer application required precision, and the long term monitoring of structure is suitble to use.
Description
Technical field
The present invention relates to drag-line and prestress engineering technical fields, more specifically, it relates to a kind of assembling electromagnetic sensing
Device measuring system.
Background technique
Magnetic flux transducer is the magnetoelastic effect using ferromagnetic material, establishes magnetic property variation and stress, temperature
Relationship measures the tension of ferromagnetic material component by measurement magnetic conductivity variation.This kind of measurement method is lossless, untouchable survey
Amount method, the internal force suitable for suspension cable, sunpender, tie-rod, external tendon and presstressed reinforcing steel measure, and can be used for the construction prison of presstressed reinforcing steel
Control, it can also be used to long-term safety monitoring.
When effect of the ferromagnetic material by mechanical force, strain is generated in its inside, so that stress is generated, so that magnetic conductance
Rate changes.At a certain temperature, ferromagnetic material internal stress and magnetic conductivity variation are a linear relationship, utilize ferromagnetic material
Magnetic conductivity-stress relation curve, can directly measure ferromagnetic material internal force, and magnetic flux transducer is exactly to utilize above-mentioned principle system
At, it is made of magnetizing coil and measuring coil, and when magnetizing coil is passed through pulse current, ferromagnetic material is magnetized, meeting
Pulsed magnetic field is longitudinally generated in steel core test specimen.Due to mutual induction, induced voltage is generated in measuring coil, induced voltage is same to be applied
The magnetic flux added is proportional.To any ferromagnetic material, laboratory carry out several groups of stress, at a temperature of test, establish
Magnetic conductivity variation with structural stress, temperature relationship after, that is, can be used to the internal force for measuring the component manufactured with this kind of material.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of assembling electromagnetic sensor measurement system
System, being directly sleeved on outside component can use, and have the protective layers such as PE not need to destroy outside component, do not damage the original of structure
Protection system.
To achieve the above object, the present invention provides the following technical scheme that
A kind of assembling electromagnetic sensor measuring system, including electromagnetic sensor and electromagnetism measurement apparatus, the electromagnetic sensor
Including 2 corresponding half electromagnetic sensors, half electromagnetic sensor includes electromagnet and positioned at the electromagnet inner ring
Nylon bobbinet has measuring coil, the measuring coil and the electromagnetism measurement apparatus between the electromagnet and nylon bobbinet
Electrical connection, the electromagnet outer ring is cased with outer sleeve.
It further, further include temperature compensation sensor, the temperature compensation sensor passes through with the electromagnetism measurement apparatus
Electric wire connection.
By using above-mentioned technical proposal, it is non-contact that assembling electromagnetic sensor measuring system of the invention belongs to electromagnetic induction
Measurement, being directly sleeved on outside component can use, and have the protective layers such as PE not need to destroy outside component, do not damage the original of structure
There is protection system.The solid reliable, long service life of such electromagnetic sensor measuring system, long-term measurement stability are good, measurement essence
Degree meets engineer application required precision, and the long term monitoring of structure is suitble to use.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the schematic diagram of the section structure of the invention；
Fig. 3 is electromagnetic sensor cross section structure schematic diagram of the invention；
Appended drawing reference in figure: 1, half electromagnetic sensor；2, electromagnetism measurement apparatus；3, electromagnet；4, measuring coil；5, temperature is mended
Repay sensor；6, nylon bobbinet；7, outer sleeve；8, electric wire.
Specific embodiment
In order to make those skilled in the art that the present invention may be better understood, with reference to the accompanying drawings and examples to this hair
Bright technical solution further illustrates.
- 3 pairs of embodiment of the present invention are described further referring to Fig.1.
A kind of assembling electromagnetic sensor measuring system, including electromagnetic sensor and electromagnetism measurement apparatus 2, the electromagnetic sensor
Including 2 corresponding half electromagnetic sensors 1, half electromagnetic sensor 1 includes electromagnet 3 and is located in the electromagnet 3
The nylon bobbinet 6 of circle has measuring coil 4, the measuring coil 4 and the electricity between the electromagnet 3 and nylon bobbinet 6
Generator 2 is electrically connected, and 3 outer ring of electromagnet is cased with outer sleeve 7.
It further, further include temperature compensation sensor 5, the temperature compensation sensor 5 and the electromagnetism measurement apparatus 2 are logical
Cross the connection of electric wire 8.
In the use of the present invention, directly component is protruded into inside electromagnetic sensor, and by temperature compensation sensor 5 and component
Connection, electromagnetism measurement apparatus 2 can obtain induced voltage and member temperature, and induced voltage and magnetic flux are proportional, according to magnetic
The relation curve of conductance and structural stress, temperature, determines the internal stress of component.
The preferred embodiment of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, several deformations can also be made, improves and substitutes, these belong to this hair
Bright protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (2)
1. a kind of assembling electromagnetic sensor measuring system, which is characterized in that including electromagnetic sensor and electromagnetism measurement apparatus (2), institute
State electromagnetic sensor include 2 corresponding half electromagnetic sensors (1), half electromagnetic sensor (1) include electromagnet (3) and
Positioned at the nylon bobbinet (6) of the electromagnet (3) inner ring, there is measurement line between the electromagnet (3) and nylon bobbinet (6)
It encloses (4), the measuring coil (4) is electrically connected with the electromagnetism measurement apparatus (2), and electromagnet (3) outer ring is cased with outer sleeve
(7)。
2. a kind of assembling electromagnetic sensor measuring system according to claim 1, which is characterized in that further include temperature-compensating
Sensor (5), the temperature compensation sensor (5) are connect with the electromagnetism measurement apparatus (2) by electric wire (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910098255.9A CN109683114A (en) | 2019-01-31 | 2019-01-31 | A kind of assembling electromagnetic sensor measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910098255.9A CN109683114A (en) | 2019-01-31 | 2019-01-31 | A kind of assembling electromagnetic sensor measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109683114A true CN109683114A (en) | 2019-04-26 |
Family
ID=66194126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910098255.9A Pending CN109683114A (en) | 2019-01-31 | 2019-01-31 | A kind of assembling electromagnetic sensor measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109683114A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990925A (en) * | 2019-05-07 | 2019-07-09 | 四川睿铁科技有限责任公司 | A kind of integral structure of bridge cable magnetic stress sensor |
| CN110581982A (en) * | 2019-10-09 | 2019-12-17 | 四川博文讯通科技有限公司 | Construction monitoring and scheduling system based on virtual reality |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737519A (en) * | 2005-07-18 | 2006-02-22 | 吉林大学 | Apparatus for measuring internal stress of ferromagnetic material |
| CN201063466Y (en) * | 2007-06-04 | 2008-05-21 | 李金星 | High-strength magnetic nylon rotor |
| CN101881838A (en) * | 2010-06-23 | 2010-11-10 | 尹武良 | Electromagnetic sensor based measuring equipment and method of dangerous goods in food |
| CN102539027A (en) * | 2010-12-09 | 2012-07-04 | 杭州自动化技术研究院有限公司 | Magnetic measurement stress sensor with freely opened coils |
| CN103675721A (en) * | 2013-12-24 | 2014-03-26 | 江西飞尚科技有限公司 | Open-loop magnetic flux sensor |
| CN104347260A (en) * | 2013-07-26 | 2015-02-11 | 郑佐 | Manufacturing process of integrally formed traction electromagnet |
| CN205120279U (en) * | 2015-11-18 | 2016-03-30 | 武汉理工大学 | Premolding magnetic induced shrinkage or elongation force transducer |
| CN205958151U (en) * | 2016-07-15 | 2017-02-15 | 中铁隧道集团二处有限公司 | Immersed tube tunnel PC cable measuring stress device |
| CN206497194U (en) * | 2016-12-29 | 2017-09-15 | 江西飞尚科技有限公司 | A kind of heat-insulated magnetic flux transducer |
| CN206496854U (en) * | 2016-12-29 | 2017-09-15 | 江西飞尚科技有限公司 | A kind of waterproof construction of Split type magnetic flux sensor |
-
2019
- 2019-01-31 CN CN201910098255.9A patent/CN109683114A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737519A (en) * | 2005-07-18 | 2006-02-22 | 吉林大学 | Apparatus for measuring internal stress of ferromagnetic material |
| CN201063466Y (en) * | 2007-06-04 | 2008-05-21 | 李金星 | High-strength magnetic nylon rotor |
| CN101881838A (en) * | 2010-06-23 | 2010-11-10 | 尹武良 | Electromagnetic sensor based measuring equipment and method of dangerous goods in food |
| CN102539027A (en) * | 2010-12-09 | 2012-07-04 | 杭州自动化技术研究院有限公司 | Magnetic measurement stress sensor with freely opened coils |
| CN104347260A (en) * | 2013-07-26 | 2015-02-11 | 郑佐 | Manufacturing process of integrally formed traction electromagnet |
| CN103675721A (en) * | 2013-12-24 | 2014-03-26 | 江西飞尚科技有限公司 | Open-loop magnetic flux sensor |
| CN205120279U (en) * | 2015-11-18 | 2016-03-30 | 武汉理工大学 | Premolding magnetic induced shrinkage or elongation force transducer |
| CN205958151U (en) * | 2016-07-15 | 2017-02-15 | 中铁隧道集团二处有限公司 | Immersed tube tunnel PC cable measuring stress device |
| CN206497194U (en) * | 2016-12-29 | 2017-09-15 | 江西飞尚科技有限公司 | A kind of heat-insulated magnetic flux transducer |
| CN206496854U (en) * | 2016-12-29 | 2017-09-15 | 江西飞尚科技有限公司 | A kind of waterproof construction of Split type magnetic flux sensor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990925A (en) * | 2019-05-07 | 2019-07-09 | 四川睿铁科技有限责任公司 | A kind of integral structure of bridge cable magnetic stress sensor |
| CN110581982A (en) * | 2019-10-09 | 2019-12-17 | 四川博文讯通科技有限公司 | Construction monitoring and scheduling system based on virtual reality |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190426 |