CN209606600U - A kind of pin-connected panel magnetic flux transducer - Google Patents
A kind of pin-connected panel magnetic flux transducer Download PDFInfo
- Publication number
- CN209606600U CN209606600U CN201920285328.0U CN201920285328U CN209606600U CN 209606600 U CN209606600 U CN 209606600U CN 201920285328 U CN201920285328 U CN 201920285328U CN 209606600 U CN209606600 U CN 209606600U
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- China
- Prior art keywords
- magnetic flux
- line segment
- flux transducer
- pin
- connected panel
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- 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.)
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- 230000004907 flux Effects 0.000 title claims abstract description 44
- 230000005284 excitation Effects 0.000 claims abstract description 27
- 230000006698 induction Effects 0.000 claims abstract description 17
- 230000004992 fission Effects 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 239000000615 nonconductor Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Abstract
The utility model discloses a kind of magnetic flux transducer, especially a kind of pin-connected panel magnetic flux transducer.The magnetic flux transducer is used to detect the pulling force of exposed cable wire in existing structure, its main body is divided into seperated and lower seperated two parts, this two parts makes indoors and demarcates and finishes, scene only need to surround cable wire with the two, faying face fits together, and each point of intracorporal conducting line segment is correspondingly connected, just constitutes excitation coil and induction coil, two symmetrical excitation coils are at both ends, and induction coil is at middle part.It is easy to operate compared with conventional magnetic flux transducer and the magnetic flux transducer of field fabrication, time and fund are saved, it is economical and practical.
Description
Technical field
The utility model relates to magnetic flux transducer, in particular to a kind of pin-connected panel magnetic flux transducer.
Background technique
In recent decades, as Cable Structure is using more and more extensive, the design calculation theory of suspended-cable structure also obtained
It improves and develops.Suo Li control in work progress and in existing structure is the important link for being related to structural internal force and state.
Structural damage caused by the deterioration of structure material, defect or contingency, can all cause the internal force weight of each component, especially drag-line
Distribution.Therefore, how to determine that the rope tensility size of structure in construction and use process becomes pendulum in face of project planner
Significant problem.
Common routine cable tension test method pressure sensor method and frequency method.Pressure sensor short-term accuracy height, dynamic
Property it is good, but need to be connected in force structure, under the long term of load, it may appear that material creep, deformation transmitting distortion, zero
The problems such as point drift, durability and long-term accuracy are not easy to guarantee, due to that can not be recalibrated under stress, Wu Fageng
It changes, being accordingly used in long term monitoring has certain limitation.Frequency method test Suo Li needs to measure the oscillating curve of drag-line, and carries out
Spectrum analysis obtains the fundamental frequency or frequency difference of inhaul cable vibration frequency.Because the practical anchoring condition of stay cable end is than various corresponding theories
Complexity in model, the Suo Li formula obtained based on various theoretical models is different, theoretically there is error.
Nearly ten years, magnetic flux transducer is developed with its excellent performance, is applied to test Cable power.Its advantage master
It include: not damage drag-line for non-contact measurement；Sensor maintenance is at low cost, long service life；Strong antijamming capability, survey
Accuracy of measurement is high, reproducible；System can automatic measurement and auto thermal compensation；It can be connected with computer system, be remotely good for
Health monitoring.Its application is main in two kinds of situation.For the drag-line of the structure or replacement installation that will build, integral type can be used
Magnetic flux transducer, this sensor have the shortcomings that, disposable install, inconvenience replacement similar with pressure type sensor, with
Using the passage of time, precision is constantly reduced.Another form is can to make magnetic flux for the drag-line in built structure
Quantity sensor, at this point, each cylinder corresponding with integral type magnetic flux transducer is divided into two cylinder pieces, scene by it is interior to
Outside, merge corresponding cylinder piece, the corresponding conducting wire of field-winding makes out magnetic flux transducer.The magnetic of this field fabrication
There are still a disadvantage, the drag-line for needing to measure Suo Li to every will make flux sensor, under normal circumstances, should after test
Sensor remains in structure, although can remove, will cause the damage of conducting wire in demolishing process, and troublesome in poeration.
Summary of the invention
Utility model aims to solve above-mentioned the deficiencies in the prior art and problems, provide a kind of assembly
Formula magnetic flux transducer.
A kind of pin-connected panel magnetic flux transducer provided by the utility model, the rounded sleeve-shaped of working condition, inside packet
Include excitation coil and induction coil, it is characterised in that: it is made of two fissions to match, it is each seperated mainly including the end at both ends
Plate, inner sleeve sheet body, outer sleeve piece, excitation line segment and induction line segment, excitation line segment and induction line segment are referred to as conducting line segment；Inner sleeve
Cylinder sheet body by inner sleeve piece and its two sides line board group at；Inner sleeve sheet body is electrical insulator, and end plate and outer sleeve piece are conductor；
After the two seperated faying faces correspondingly fit together, each point of intracorporal conducting line segment is correspondingly connected to, and just constitutes excitation
Coil and induction coil, two excitation coils are symmetrically located at both ends, and induction coil is located at middle part.The pin-connected panel magnetic flux passes
Sensor realizes function identical with conventional magnetic flux transducer after two fissions fit.By calibrated a set of spelling
Dress formula magnetic flux transducer can be completed to overcome conventional integral magnetic to the measurement of same type Cable power in total
The shortcomings that flux sensor and the magnetic flux transducer of field fabrication, and the advantages of remain them, cable tension test can be accelerated
Speed, investment reduction.
Preferably, motivating line segment and induction line segment is all the copper wire with insulating coating.This is because copper wire conducts electricity very well.
Preferably, the internal diameter of inner sleeve piece is 5mm bigger than the outer diameter of cable wire to be measured to 10mm.This is primarily to reduce leakage
The quantity of magnetism.
Preferably, at least one internal temperature sensor.Because the magnetoelasticity of ferrimagnet is affected by temperature, add
After entering temperature sensor, the relation curve of magnetic bullet parameter and temperature is obtained when can make indoors, when on-the-spot test is corrected in time
The data obtained.
Preferably, the seperated conducting line segment of each binding face side stretches out corresponding line plate 2mm, and the seperated of the other side is led
The end of line segment is lower than corresponding line plate outer surface 2mm, and fills out string holes with wlding, and surface is recessed in ball planar, intermediate recess
1mm.This design had not only facilitated the fitting operation at scene, but also the current lead-through convenient for binding face two sides after fitting.
Preferably, end plate and outer sleeve piece select the alloy material of permanent magnetic conductivity.Because this kind of material is in the magnetic of a fixed width
In field, temperature and frequency range, being basically unchanged of magnetic conductivity.
Compared with prior art, the utility model can solve conventional magnetic flux transducer and need to install every drag-line
Or the shortcomings that one magnetic flux transducer of production, only need in total indoor production to be not more than the pin-connected panel magnetic of drag-line model number
Flux sensor has saved investment, and accelerates the speed of on-the-spot test, has saved the time.Remain integral type and scene system
The advantages of magnetic flux transducer of work, and the shortcomings that overcome them, it is convenient and efficient, it is economical and practical.
Detailed description of the invention
The schematic cross-sectional view of Fig. 1 utility model works state.
The single seperated schematic cross-sectional view for crossing middle part of Fig. 2.
The schematic cross-sectional view of Fig. 3 inner sleeve sheet body.
The single seperated binding face schematic diagram of Fig. 4.
Seperated excitation string holes vertical section schematic diagram on Fig. 5.
Seperated excitation string holes vertical section schematic diagram under Fig. 6.
It is identified in figure: 1- fission 1;2- fission 2;3- cable wire;4- inner sleeve sheet body;40- inner sleeve piece;41- line plate;5- sense
Answer line segment;7- motivates line segment;8- outer sleeve piece;9- string holes;11- preserving and sealing material;12- wlding;13- end plate;The offline plate of 21-;
22- cabling hole;Excitation line under 23-;The online plate of 31-;The upper string holes of 32-;The upper excitation line of 33-.
Specific embodiment
It is specific embodiment of the utility model below, and the technical solution of the utility model is retouched in conjunction with attached drawing
It states, but the utility model is not limited to this embodiment.
Embodiment one
The rounded sleeve-shaped of the pin-connected panel magnetic flux transducer working condition, is shown in Fig. 1, by the fission 1 that matches and point
Body 2 forms, and fission 1 and 2 fitting of fission are close when detecting Suo Li, and cable wire 3 is enclosed to middle, gap 5mm.Fission 1 and point
The internal structure of body 2 is identical, mainly includes forming inner sleeve by the line plate 41 of inner sleeve piece 40 and its two sides referring to figs. 2 and 3
Sheet body 4, outer sleeve piece 8, excitation line segment 7 and induction line segment 5, and the preserving and sealing material 11 of filling internal voids.Inner sleeve piece
40 be ABS engineering plastics, and line plate 41 is ceramics.Motivating line segment 7 and induction line segment 5 is the copper wire with insulating coating.Fig. 4 is single
Seperated binding face schematic diagram, the string holes 9 for having arrangement two rows of on line plate 41 have excitation line segment 7 in string holes 9 and incude line segment 5
Respectively there is the end plate 13 of a 5mm thickness at end, seperated both ends, and end plate 13 and outer sleeve piece 8 are conductor.Fig. 5 and Fig. 6 are with binding face
For two sides form the conducting line segment of excitation coil, the connection construction of conducting line segment in two fissions is described.In fission above
Online plate 31 on have a upper string holes 32, upper excitation line 33 passes through upper string holes 32 and exposed 2mm, the gap wlding in upper string holes 32
12 fill and lead up；There is cabling hole 22 on the offline plate 21 of lower section fission, inside there is lower excitation line 23, the end of lower excitation line 23 is lower than
The upper surface 2mm of offline plate 21, and string holes is filled out with wlding 12, it is recessed in ball planar, intermediate recess 1mm.
Using the pin-connected panel magnetic flux transducer measure Suo Li in built cable-stayed bridge method the following steps are included:
Step 1: counting the type of the Cable in Cable stayed Bridge, determine the size specification number of pin-connected panel magnetic flux transducer.It should
A total of 160 of drag-line in cable-stayed bridge, dividing has 5 seed types, can be simply by the size specification of pin-connected panel magnetic flux transducer
Number is also set to 5；
Step 2: the pin-connected panel magnetic flux transducer of every kind of specification can make one group, one group three.According to corresponding drag-line
Outer diameter is the internal diameter that 5mm determines inner sleeve piece 40 by the gap of drag-line and pin-connected panel magnetic flux transducer；According to the magnetization of steel wire
Select best operating point with permeability curcve, consider the design Suo Li of drag-line, magnetic flux when calculating in best operating point and
Magnetic circuit the size of each part, the height including end plate 13, the length and thickness of outer sleeve piece 8；It is fixed according to Kirchhoff's law and ohm
Restrain determine magnetic circuit part magnetic conductivity and magnetic circuit magnetomotive force, in conjunction with telescopic magnetic circuit each section of design size with
And excitation source provides the ability of electric current, determines the quantity and exciting current of sensor excitation coil, and then design excitation coil
The number of plies and copper wire diameter；Determine magnetic flux transducer other parameters, such as excitation circle winding and induction coil winding length, excitation line
Enclose winding inner diameter and outer diameter；Gap between paint and coiling, the thickness of line insulating materials and the gap of interlayer etc.；
Step 3: test drag-line material is in magnetic bullet parameter when different temperatures, temperature adjustmemt when being live cable tension test
It prepares；
Step 4: one, short drag-line model of every kind of cross-sectional shape of indoor production, grading tension arrives on tensile testing machine
120% design stretching force, while being tested with the corresponding clamp type magnetic flux sensor.And according to three obtained Gen Suoli
With the relation curve of induced voltage, the working performance of each pin-connected panel magnetic flux transducer is judged, if some exception, reject the assembly
Formula magnetic flux transducer；
Step 5: on-the-spot test Suo Li.To a certain rope, a pin-connected panel magnetic flux transducer is selected out of corresponding types,
Drag-line is trapped among centre by two fissions, is fitted closely together, and DC pulse exciting current is passed through, and matched magnetic bullet instrument measures magnetic
Parameter is played, and is modified according to temperature, and then obtain Suo Li.
The description of above-mentioned specific embodiment is merely to illustrate the utility model, rather than the power of limitation the utility model
Sharp protection scope.
Claims (6)
1. a kind of pin-connected panel magnetic flux transducer, the rounded sleeve-shaped of working condition, inside include excitation coil and the line of induction
Circle, it is characterised in that: it is made of two fissions to match, it is each seperated mainly including end plate, the inner sleeve sheet body, housing at both ends
Cylinder piece, excitation line segment and induction line segment, excitation line segment and induction line segment are referred to as conducting line segment；Inner sleeve sheet body by inner sleeve piece and
The line board group of its two sides at；Inner sleeve sheet body is electrical insulator, and end plate and outer sleeve piece are conductor；The two seperated faying faces
After correspondingly fitting together, each point of intracorporal conducting line segment is correspondingly connected to, and just constitutes excitation coil and induction coil, and two
Excitation coil is symmetrically located at both ends, and induction coil is located at middle part.
2. pin-connected panel magnetic flux transducer as described in claim 1, it is characterised in that: motivating line segment and induction line segment is all band
The copper wire of insulating coating.
3. pin-connected panel magnetic flux transducer as described in claim 1, it is characterised in that: the internal diameter of inner sleeve piece is than steel to be measured
The outer diameter of rope big 5mm to 10mm.
4. pin-connected panel magnetic flux transducer as described in claim 1, it is characterised in that: at least one internal temperature sensing
Device.
5. pin-connected panel magnetic flux transducer as described in claim 1, it is characterised in that: the seperated of each binding face side is led
Line segment stretches out corresponding line plate 2mm, and the end of the conducting line segment of other side fission is lower than corresponding line plate outer surface 2mm, and uses wlding
String holes is filled out, is recessed in ball planar, intermediate recess 1mm.
6. pin-connected panel magnetic flux transducer as described in claim 1, it is characterised in that: end plate and outer sleeve piece select permanent magnetic conductance
The alloy material of rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920285328.0U CN209606600U (en) | 2019-03-07 | 2019-03-07 | A kind of pin-connected panel magnetic flux transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920285328.0U CN209606600U (en) | 2019-03-07 | 2019-03-07 | A kind of pin-connected panel magnetic flux transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209606600U true CN209606600U (en) | 2019-11-08 |
Family
ID=68404051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920285328.0U Expired - Fee Related CN209606600U (en) | 2019-03-07 | 2019-03-07 | A kind of pin-connected panel magnetic flux transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209606600U (en) |
-
2019
- 2019-03-07 CN CN201920285328.0U patent/CN209606600U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191108 |