CN107063073A - A kind of object deformation electromagnetic monitoring device and method - Google Patents
A kind of object deformation electromagnetic monitoring device and method Download PDFInfo
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- CN107063073A CN107063073A CN201710234442.6A CN201710234442A CN107063073A CN 107063073 A CN107063073 A CN 107063073A CN 201710234442 A CN201710234442 A CN 201710234442A CN 107063073 A CN107063073 A CN 107063073A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/24—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in magnetic properties
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
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Abstract
The invention discloses a kind of object deformation electromagnetic monitoring device and method, using electromagnetic nondestructive method, device includes multiple electromagnetic detection coils, electromagnetic detection instrument, Monitoring Data Management System, multiple electromagnetic detection coil tandem types are distributed to the monitoring portion faces for being fixed on monitored object or insertion is fixed on monitoring part interior, and fixed according to the monitoring portion structure feature and detection requirement of monitored object with linear array or face array or spaced three-dimensional array formal distribution, wherein at least one electromagnetic detection coil is used as excitation coil, electrically connected with the signal excitation end of electromagnetic detection instrument, remaining multiple electromagnetic detection coil had both been receiving coil or had been excitation coil, electrically connected with the signal receiving end of electromagnetic detection instrument, by the change for the sensor current signal parameter for monitoring the multiple electromagnetic detection coils electrically connected with electromagnetic detection instrument signal receiving terminal, indirect monitoring is monitored the configuration state change at object monitoring position, effective configuration state variation monitoring result in real time can be obtained, the asymmetric deformation monitoring work for the symmetric objects that are particularly suitable for use in.
Description
Technical field
The present invention relates to a kind of nondestructive monitoring device and method, more particularly to a kind of object deformation electromagnetic monitoring device and
Method.
Background technology
Currently, institution structural health monitoring technology has particularly important application meaning in institution safe operation
Justice.The facility such as bridge, building, dam, in its running, should monitor its structural deformation using effective monitoring technology
Change, but be applied to so far without effective and reasonable monitoring technology means in Practical Project.
The content of the invention
It is an object of the invention to the deficiency for overcoming prior art, there is provided a kind of object deformation electromagnetic monitoring device and side
Method, using electromagnetic nondestructive method, realizes the deformation dynamic monitoring of object.
The technical solution adopted for the present invention to solve the technical problems is：A kind of object deformation electromagnetic monitoring device, including
Multiple electromagnetic detection coils, electromagnetic detection instrument, Monitoring Data Management System, it is characterised in that：
The multiple electromagnetic detection coil tandem type distribution is fixed on the monitoring portion faces of monitored object or insertion is fixed on
Part interior is monitored, and according to the monitoring portion structure feature of monitored object with linear array or face array or spaced three-dimensional array
Formal distribution is fixed；
The tandem type refers to：Wherein at least one electromagnetic detection coil is as excitation coil, the signal with electromagnetic detection instrument
Encourage end electrical connection；Remaining multiple electromagnetic detection coil had both been receiving coil or had been excitation coil, the letter with electromagnetic detection instrument
The electrical connection of number receiving terminal；It is described to be both receiving coil or be that excitation coil refers to, when with electromagnetic detection instrument signal excitation end electricity
During the electromagnetic detection coil excitation alternating magnetic field of connection, the electricity that with electromagnetic detection instrument signal receiving terminal electrically connects nearest with it
Magnetic test coil will generate induced-current as receiving coil, and induced-current is transferred into electromagnetic detection instrument, while the electricity
Magnetic test coil senses generation alternating magnetic field in itself, the alternating magnetic field of this sensing generation will encourage it is adjacent thereto it is next with
The electromagnetic detection coil generation induced-current and alternating magnetic field of electromagnetic detection instrument signal receiving terminal electrical connection, according to this, with electromagnetism
Multiple electromagnetic detection coils of detecting instrument signal receiving end electrical connection generate induced-current and alternating magnetic field one by one,
Both it had been receiving coil or is excitation coil；
Electromagnetic detection instrument is electrically connected with Monitoring Data Management System.
A kind of object deformation electromagnetic monitoring method, using said apparatus, it is characterised in that：The monitoring method, including head
Two processes of secondary demarcation and actual measurement,
The calibration process first is,
A. the distribution of multiple electromagnetic detection coil tandem types is fixed on after the monitoring portion faces of monitored object, electromagnetic detection
Instrument encourages the electromagnetic detection coil for encouraging end to electrically connect with its signal, and remaining is electrically connected with electromagnetic detection instrument signal receiving terminal
The multiple electromagnetic detection coils connect generate induced-current and alternating magnetic field one by one, and the induced-current of generation is sent to electricity
Magnetic testi instrument；
B. electromagnetic detection instrument will analyze and process the sense of the obtained multiple electromagnetic detection coils electrically connected with its signal receiving end
Induced current signal parameter is sent to Monitoring Data Management System；
C. Monitoring Data Management System receives the multiple electromagnetic detection lines for preserving and being electrically connected with electromagnetic detection instrument signal receiving terminal
The sensor current signal parameter of circle, sensor current signal parameter is referred in this, as demarcation；
The actual measurement process is,
D. electromagnetic detection instrument periodic excitement encourages the electromagnetic detection coil that end is electrically connected with its signal, and will be connect with its signal
The sensor current signal parameter of multiple electromagnetic detection coils of receiving end electrical connection is sent to Monitoring Data Management System；
F. multiple electromagnetic detection coils that Monitoring Data Management System preservation is electrically connected with electromagnetic detection instrument signal receiving terminal
Sensor current signal parameter, and with the sensor current signal parameter of each electromagnetic detection coil and monitoring time, make each electricity
The monitoring curve of magnetic test coil；When the demarcation preserved in the sensor current signal parameter and step c of each electromagnetic detection coil
With reference to sensor current signal parameter it is identical when, monitoring curve is without mutation, you can judge the monitoring portion faces shape of monitored object
State is unchanged；When some or multiple electromagnetic detection coils sensor current signal parameter with preserved in step c it is corresponding
Demarcation with reference to sensor current signal parameter it is different when, the monitoring curve of some or multiple electromagnetic detection coils will appear from mutation,
It can determine that the monitoring portion structure state of the monitored object residing for some or multiple electromagnetic detection coils changes.
A kind of object deformation electromagnetic monitoring method, further, Monitoring Data Management System is according to each and electromagnetic detection
It is location parameter of the electromagnetic detection coil of instrument signal receiving terminal electrical connection on the monitoring portion faces of monitored object, each
The sensor current signal parameter of the electromagnetic detection coil electrically connected with electromagnetic detection instrument signal receiving terminal, monitoring time, make
The dynamic monitoring figure of the monitoring portion faces of monitored object, is easy to monitoring personnel's visual supervisory control to be monitored the monitoring position of object
Configuration state changes.
The beneficial effects of the invention are as follows using electromagnetic nondestructive method, device includes multiple electromagnetic detection coils, electromagnetism
Detecting instrument, Monitoring Data Management System, multiple electromagnetic detection coil tandem types are distributed the monitoring for being fixed on monitored object
Portion faces or insertion are fixed on monitoring part interior, and according to the monitoring portion structure feature and detection requirement of monitored object
Fixed with linear array or face array or spaced three-dimensional array formal distribution, wherein at least one electromagnetic detection coil is used as excitation line
Circle, is electrically connected, remaining multiple electromagnetic detection coil had both been receiving coil or had been excitation with the signal excitation end of electromagnetic detection instrument
Coil, is electrically connected with the signal receiving end of electromagnetic detection instrument, is electrically connected by monitoring with electromagnetic detection instrument signal receiving terminal
Multiple electromagnetic detection coils sensor current signal parameter change, indirect monitoring be monitored object monitor position structure shape
State changes, and can obtain effective configuration state variation monitoring result in real time, the asymmetric deformation prison for the symmetric objects that are particularly suitable for use in
Survey work.
The present invention is described in further detail with reference to embodiments, but a kind of object deformation electromagnetic monitoring of the present invention
Device and method is not limited to embodiment.
Brief description of the drawings
The present invention is further described for middle embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the monitoring device and method schematic diagram of first embodiment of the invention.
Fig. 2 be first embodiment of the invention monitoring method in multiple center section electromagnetic detection coils induced-current letter
Number parameter and comparison schematic diagram of the demarcation with reference to sensor current signal parameter.
Fig. 3 is the monitoring curve schematic diagram of first embodiment of the invention.
Fig. 4 is the face array distribution schematic diagram of the electromagnetic detection coil of the monitoring device of second embodiment of the invention.
Fig. 5 is the spaced three-dimensional array distribution signal of the electromagnetic detection coil of the monitoring device of third embodiment of the invention
Figure.
In figure, T. encourages the electromagnetic detection coil that end is electrically connected, R. and electromagnetic detection instrument with electromagnetic detection instrument signal
The electromagnetic detection coil of signal receiving end electrical connection, E. electromagnetic detection instruments, D. Monitoring Data Management Systems, A. is monitored thing
Body, V. sensor current signal parameters, t. monitoring times.
Embodiment
Embodiment one, as shown in Figure 1, Figure 2, Figure 3 shows, a kind of object deformation electromagnetic monitoring device, including multiple electromagnetic detections
Coil, electromagnetic detection instrument E, Monitoring Data Management System D, it is characterised in that：
The multiple electromagnetic detection coil tandem type distribution is fixed on monitored object A monitoring portion faces or insertion is fixed on
Part interior is monitored, and is fixed according to the selection of the monitoring portion structure feature of monitored object with linear array formal distribution；
The tandem type refers to：Wherein at least one electromagnetic detection coil is as excitation coil, the signal with electromagnetic detection instrument E
Encourage end electrical connection；Remaining multiple electromagnetic detection coil had both been receiving coil or had been excitation coil, the letter with electromagnetic detection instrument E
The electrical connection of number receiving terminal；It is described to be both receiving coil or be that excitation coil refers to, when encouraging end with electromagnetic detection instrument E signal
When the electromagnetic detection coil T of electrical connection excites alternating magnetic field, it is electrically connected with its nearest signal receiving end with electromagnetic detection instrument E
The electromagnetic detection coil R connect will generate induced-current as receiving coil, and induced-current is transferred into electromagnetic detection instrument E,
Electromagnetic detection coil R senses generation alternating magnetic field in itself simultaneously, and the alternating magnetic field of this sensing generation will encourage adjacent thereto
Next electromagnetic detection coil R generation induced-currents and alternating magnetic field electrically connected with electromagnetic detection instrument E signal receiving ends,
According to this, the multiple electromagnetic detection coil R electrically connected with electromagnetic detection instrument E signal receiving ends generate induced electricity one by one
Stream and alternating magnetic field, both for receiving coil or be excitation coil；
Electromagnetic detection instrument E is electrically connected with Monitoring Data Management System D.
A kind of object deformation electromagnetic monitoring method, using said apparatus, it is characterised in that：The monitoring method, including head
Two processes of secondary demarcation and actual measurement,
The calibration process first is,
A. the distribution of multiple electromagnetic detection coil tandem types is fixed on after monitored object A monitoring portion faces, electromagnetic detection
Instrument E is encouraged and its signal excitation electromagnetic detection coil T for electrically connecting of end, remaining and electromagnetic detection instrument E signal receiving ends
Multiple electromagnetic detection coils of electrical connection generate induced-current and alternating magnetic field one by one, and the induced-current of generation is sent
To electromagnetic detection instrument E；
B. the multiple electromagnetic detection coil R's electrically connected with its signal receiving end that electromagnetic detection instrument E obtains analyzing and processing
Sensor current signal parameter V is sent to Monitoring Data Management System D；
C. Monitoring Data Management System D receives the multiple electromagnetic detections for preserving and being electrically connected with electromagnetic detection instrument E signal receiving ends
Coil R sensor current signal parameter V, in this, as demarcation with reference to sensor current signal parameter V；
The actual measurement process is,
D. electromagnetic detection instrument E periodic excitements encourage the electromagnetic detection coil T that end is electrically connected with its signal, and will be with its signal
Multiple electromagnetic detection coil R of receiving terminal electrical connection sensor current signal parameter V is sent to Monitoring Data Management System D；
F. Monitoring Data Management System D preserves the multiple electromagnetic detection coils electrically connected with electromagnetic detection instrument E signal receiving ends
R sensor current signal parameter V, and with each electromagnetic detection coil R sensor current signal parameter V and monitoring time t, make
Each electromagnetic detection coil R monitoring curve；As guarantor in each electromagnetic detection coil R sensor current signal parameter V and step c
The demarcation deposited with reference to sensor current signal parameter V it is identical when, monitoring curve is without mutation, you can judge monitored object A monitoring
Portion faces state is unchanged；As guarantor in some or multiple electromagnetic detection coil R sensor current signal parameter V and step c
The corresponding demarcation deposited with reference to sensor current signal parameter V it is different when, some or multiple electromagnetic detection coil R monitoring are bent
Line will appear from mutation, you can judge the monitoring portion structure of the monitored object A residing for some or multiple electromagnetic detection coil R
State changes.
A kind of object deformation electromagnetic monitoring method, further, Monitoring Data Management System D is according to each and electromagnetic detection
Location parameters of the electromagnetic detection coil R of instrument E signal receiving ends electrical connection on monitored object A monitoring portion faces,
When the electromagnetic detection coil R each electrically connected with electromagnetic detection instrument E signal receiving ends sensor current signal parameter V, monitoring
Between t, make the dynamic monitoring figure of monitored object A monitoring portion faces, be easy to monitoring personnel's visual supervisory control to be monitored object A
Monitoring portion structure state change.
Fig. 4 is the face array distribution schematic diagram of the electromagnetic detection coil of the monitoring device of second embodiment of the invention, is applicable
Worked in the body surface status monitoring of large area.
Fig. 5 is the spaced three-dimensional array distribution signal of the electromagnetic detection coil of the monitoring device of third embodiment of the invention
Figure, it is adaptable to the overall structure status monitoring work of large space stereochemical structure object.
Above-described embodiment is only used for further illustrating a kind of object deformation electromagnetic monitoring device and method of the present invention, but the present invention
It is not limited to embodiment, it is any simple modification that every technical spirit according to the present invention is made to above example, equivalent
Change and modification, each fall within the protection domain of technical solution of the present invention.
Claims (3)
1. a kind of object deformation electromagnetic monitoring device, including the management of multiple electromagnetic detection coils, electromagnetic detection instrument, Monitoring Data
System, it is characterised in that：
The multiple electromagnetic detection coil tandem type distribution is fixed on the monitoring portion faces of monitored object or insertion is fixed on
Part interior is monitored, and according to the monitoring portion structure feature and detection requirement of monitored object with linear array or face array or sky
Between cubical array formal distribution fix；
The tandem type refers to：Wherein at least one electromagnetic detection coil is as excitation coil, the signal with electromagnetic detection instrument
Encourage end electrical connection；Remaining multiple electromagnetic detection coil had both been receiving coil or had been excitation coil, the letter with electromagnetic detection instrument
The electrical connection of number receiving terminal；It is described to be both receiving coil or be that excitation coil refers to, when with electromagnetic detection instrument signal excitation end electricity
During the electromagnetic detection coil excitation alternating magnetic field of connection, the electricity that with electromagnetic detection instrument signal receiving terminal electrically connects nearest with it
Magnetic test coil will generate induced-current as receiving coil, and induced-current is transferred into electromagnetic detection instrument, while the electricity
Magnetic test coil senses generation alternating magnetic field in itself, the alternating magnetic field of this sensing generation will encourage it is adjacent thereto it is next with
The electromagnetic detection coil generation induced-current and alternating magnetic field of electromagnetic detection instrument signal receiving terminal electrical connection, according to this, with electromagnetism
Multiple electromagnetic detection coils of detecting instrument signal receiving end electrical connection generate induced-current and alternating magnetic field one by one,
Both it had been receiving coil or is excitation coil；
Electromagnetic detection instrument is electrically connected with Monitoring Data Management System.
2. a kind of object deformation electromagnetic monitoring method, using the device described in claim 1, it is characterised in that：The monitoring side
Method, including demarcate and survey two processes first,
The calibration process first is,
A. the distribution of multiple electromagnetic detection coil tandem types is fixed on after the monitoring portion faces of monitored object, electromagnetic detection
Instrument encourages the electromagnetic detection coil for encouraging end to electrically connect with its signal, and remaining is electrically connected with electromagnetic detection instrument signal receiving terminal
The multiple electromagnetic detection coils connect generate induced-current and alternating magnetic field one by one, and the induced-current of generation is sent to electricity
Magnetic testi instrument；
B. electromagnetic detection instrument will analyze and process the sense of the obtained multiple electromagnetic detection coils electrically connected with its signal receiving end
Induced current signal parameter is sent to Monitoring Data Management System；
C. Monitoring Data Management System receives the multiple electromagnetic detection lines for preserving and being electrically connected with electromagnetic detection instrument signal receiving terminal
The sensor current signal parameter of circle, sensor current signal parameter is referred in this, as demarcation；
The actual measurement process is,
D. electromagnetic detection instrument periodic excitement encourages the electromagnetic detection coil that end is electrically connected with its signal, and will be connect with its signal
The sensor current signal parameter of multiple electromagnetic detection coils of receiving end electrical connection is sent to Monitoring Data Management System；
F. multiple electromagnetic detection coils that Monitoring Data Management System preservation is electrically connected with electromagnetic detection instrument signal receiving terminal
Sensor current signal parameter, and with the sensor current signal parameter of each electromagnetic detection coil and monitoring time, make each electricity
The monitoring curve of magnetic test coil；When the demarcation preserved in the sensor current signal parameter and step c of each electromagnetic detection coil
With reference to sensor current signal parameter it is identical when, monitoring curve is without mutation, you can judge the monitoring portion faces shape of monitored object
State is unchanged；When some or multiple electromagnetic detection coils sensor current signal parameter with preserved in step c it is corresponding
Demarcation with reference to sensor current signal parameter it is different when, the monitoring curve of some or multiple electromagnetic detection coils will appear from mutation,
It can determine that the monitoring portion structure state of the monitored object residing for some or multiple electromagnetic detection coils changes.
3. a kind of object deformation electromagnetic monitoring method according to claim 2, it is characterised in that：Further, number is monitored
According to management system according to the electromagnetic detection coil each electrically connected with electromagnetic detection instrument signal receiving terminal in monitored object
Location parameter, the sense of the electromagnetic detection coil each electrically connected with electromagnetic detection instrument signal receiving terminal on monitoring portion faces
Induced current signal parameter, monitoring time, the dynamic monitoring figure of the monitoring portion faces of monitored object is made, is easy to monitoring personnel
Visual supervisory control is monitored the monitoring portion structure state change of object.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710234442.6A CN107063073B (en) | 2017-04-12 | 2017-04-12 | Object deformation electromagnetic monitoring device and method |
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| CN201710234442.6A CN107063073B (en) | 2017-04-12 | 2017-04-12 | Object deformation electromagnetic monitoring device and method |
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| CN107063073B CN107063073B (en) | 2020-03-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112020166A (en) * | 2019-05-30 | 2020-12-01 | 宁波方太厨具有限公司 | Heating circuit feasibility verification method for electromagnetic heating wire coil |
| CN115655091A (en) * | 2022-10-19 | 2023-01-31 | 秦皇岛市政建设集团有限公司 | Assembled beam column node deformation early warning monitoring devices |
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| CN115655091A (en) * | 2022-10-19 | 2023-01-31 | 秦皇岛市政建设集团有限公司 | Assembled beam column node deformation early warning monitoring devices |
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