CN208902656U - A kind of device suitable for detecting pressure pipeline metal loss amount - Google Patents
A kind of device suitable for detecting pressure pipeline metal loss amount Download PDFInfo
- Publication number
- CN208902656U CN208902656U CN201821590810.7U CN201821590810U CN208902656U CN 208902656 U CN208902656 U CN 208902656U CN 201821590810 U CN201821590810 U CN 201821590810U CN 208902656 U CN208902656 U CN 208902656U
- Authority
- CN
- China
- Prior art keywords
- magnetic core
- layer cylindrical
- cylindrical carcass
- pressure pipeline
- loss amount
- 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.)
- Expired - Fee Related
Links
Abstract
A kind of device suitable for detecting pressure pipeline metal loss amount, including outer layer cylindrical carcass and internal layer cylindrical carcass；The outer surface of outer layer cylindrical carcass winds excitation variable winding, the outer surface of internal layer cylindrical carcass winds detection coil, magnetic core is installed between outer layer cylindrical carcass and internal layer cylindrical carcass, the magnetic core is assembled by the superposition of multiple circular ring type magnetic core columns, and each circular ring type magnetic core column uses different magnetic materials；In use, excitation variable winding and detection coil are connect with external circuits, stable, frequency richness electromagnetic field is inspired, and realize and be focused to electromagnetic field, it is higher to pressure pipeline etching extent detection sensitivity；Magnetic core is assembled by the superposition of multiple circular ring type magnetic core columns, and energy of electromagnetic field is big, frequency richness, and mutual inductance effect is small；The utility model has the advantages that improve the sensitivity of transient electromagnetic method detection pressure pipeline metal loss amount.
Description
Technical field
The utility model relates to the special instrument technical field of non-destructive testing pressure pipeline metal corrosion, in particular to one
Kind is suitable for detecting the device of pressure pipeline metal loss amount.
Background technique
Pressure pipeline prevailing traffic oil gas etc. has corrosive media, inevitably will appear inner wall corruption in long-term coming into operation
Erosion cause stress pipe wall it is thinning or perforation, formation leak encounter open fire can to the people formed threaten.Pressure pipeline appearance
It can be wrapped in a thick layer erosion resistant coating, traditional detection device needs to remove erosion resistant coating contact tube wall detection, after detection
Erosion resistant coating must be reinstalled.Traditional detection device has the disadvantages that
(1) traditional detection device detection process is cumbersome, needs the erosion resistant coating to detection section to remove, on the one hand causes
Anti-corrosion damage layer needs to reinstall erosion resistant coating after on the other hand detecting；
(2) traditional detection device mutual inductance effect performance is poor；
(3) traditional detection device energy is not enough concentrated, low to poroid Corrosion monitoring sensitivity；
(4) traditional detection device testing cost is higher, and the electromagnetism field frequency ingredient of excitation is single.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of suitable for detection pressure pipeline metal damage
The device of vector simplifies the complexity of conventional detection devices, and the energy of electromagnetic field of excitation is big, and frequency richness, mutual inductance effect is small,
It improves to poroid Corrosion monitoring sensitivity, reduces testing cost, accurate evaluation pressure pipeline metal loss amount.
In order to achieve the above object, the technical solution adopted in the utility model are as follows:
A kind of device suitable for detecting pressure pipeline metal loss amount, including outer layer cylindrical carcass 3 and internal layer cylinder bone
Frame 4；The outer surface of outer layer cylindrical carcass 3 winds excitation variable winding 1, and the outer surface of internal layer cylindrical carcass 4 winds detection coil 2, outside
Magnetic core 5 is installed between layer cylindrical carcass 3 and internal layer cylindrical carcass 4, the magnetic core 5 is superimposed by multiple circular ring type magnetic core columns 6
It is assembled, and each circular ring type magnetic core column 6 uses different magnetic materials.
Further, 5 surfaces externally and internally of magnetic core is wrapped up with tetrafluoro cloth 7.
Further, the excitation variable winding 1 connects the first signal wire 8, and detection coil 2 connects second signal line 9.
Further, there are three the circular ring type magnetic core column 6 settings.
The utility model has the beneficial effects that
The utility model is connect using excitation variable winding and detection coil with external circuits, is inspired stable, frequency richness
Electromagnetic field, and realize and electromagnetic field is focused, it is higher to pressure pipeline etching extent detection sensitivity；
Magnetic core 5 is assembled by the superposition of multiple circular ring type magnetic core columns 6, and energy of electromagnetic field is big, frequency richness, mutual inductance effect
It is small.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of the utility model.
Fig. 2 is the sectional view of the utility model.
Fig. 3 is the sectional view of the utility model.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
Join as shown in figure 1 to 3, a kind of device suitable for detecting pressure pipeline metal loss amount, including outer layer cylindrical carcass
3 and internal layer cylindrical carcass 4；The outer surface of outer layer cylindrical carcass 3 winds excitation variable winding 1, the outer surface winding of internal layer cylindrical carcass 4
Detection coil 2, excitation variable winding 1 connect the first signal wire 8, and detection coil 2 connects second signal line 9,3 He of outer layer cylindrical carcass
Magnetic core 5 is installed, 5 surfaces externally and internally of magnetic core is wrapped up with tetrafluoro cloth 7, and the magnetic core 5 is by three annulus between internal layer cylindrical carcass 4
The superposition of type magnetic core column 6 is assembled, and three circular ring type magnetic core columns 6 use different magnetic materials.
Working principle of the utility model is:
In use, connecting by excitation variable winding 1 and detection coil 2 with external circuits, stable, frequency richness electricity is inspired
Magnetic field, and realize and electromagnetic field is focused；Magnetic core 5 is assembled by three superpositions of circular ring type magnetic core column 6, and three circular ring types
Magnetic core column 6 uses different magnetic materials, realizes high excitation magnetic field amplitude, focusing and frequency richness, and performance safety is reliable, detection
High sensitivity；Improve the sensitivity of transient electromagnetic method detection pressure pipeline metal loss amount.
Claims (4)
1. a kind of device suitable for detecting pressure pipeline metal loss amount, which is characterized in that including outer layer cylindrical carcass (3) and
Internal layer cylindrical carcass (4)；The outer surface of outer layer cylindrical carcass (3) winds excitation variable winding (1), the appearance of internal layer cylindrical carcass (4)
Face winds detection coil (2), and magnetic core (5), the magnetic are equipped between outer layer cylindrical carcass (3) and internal layer cylindrical carcass (4)
Core (5) is assembled by the superposition of multiple circular ring type magnetic core columns (6), and each circular ring type magnetic core column (6) uses different magnetic materials
Material.
2. a kind of device suitable for detecting pressure pipeline metal loss amount according to claim 1, which is characterized in that institute
Magnetic core (5) surfaces externally and internally tetrafluoro cloth (7) package stated.
3. a kind of device suitable for detecting pressure pipeline metal loss amount according to claim 1, which is characterized in that institute
Excitation variable winding (1) connection the first signal wire (8) stated, detection coil (2) connect second signal line (9).
4. a kind of device suitable for detecting pressure pipeline metal loss amount according to claim 1, which is characterized in that institute
There are three circular ring type magnetic core column (6) settings stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821590810.7U CN208902656U (en) | 2018-09-28 | 2018-09-28 | A kind of device suitable for detecting pressure pipeline metal loss amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821590810.7U CN208902656U (en) | 2018-09-28 | 2018-09-28 | A kind of device suitable for detecting pressure pipeline metal loss amount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208902656U true CN208902656U (en) | 2019-05-24 |
Family
ID=66574077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821590810.7U Expired - Fee Related CN208902656U (en) | 2018-09-28 | 2018-09-28 | A kind of device suitable for detecting pressure pipeline metal loss amount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208902656U (en) |
-
2018
- 2018-09-28 CN CN201821590810.7U patent/CN208902656U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107505388A (en) | A kind of flexible magnetic saturation Pulsed eddy current testing probe and detection method | |
| WO2020108064A1 (en) | Flexible inductor-silicon based inductor structure-based wind speed sensor | |
| CN204101523U (en) | A kind of piezoelectric transducer detecting posted sides pipeline defect based on circumferential wave guide | |
| CN208902656U (en) | A kind of device suitable for detecting pressure pipeline metal loss amount | |
| CN201884941U (en) | Magnetic circuit structure of pipeline magnetic flux leakage corrosion detector | |
| CN110763760A (en) | Reference block for electromagnetic ultrasonic automatic detection of in-service oil pipe and design method | |
| CN102520063B (en) | In-service testing and evaluating method and system of coiled tubing | |
| CN105864491B (en) | A kind of straight drive valve is driven with ultra-magnetic telescopic and displacement amplification device | |
| CN108088609A (en) | A kind of tubular type pressure sensor and processing method | |
| CN204302229U (en) | A kind of interior crossing type giant magnetoresistance array probe of nonferromagnetic light-wall pipe defects detection | |
| CN206723000U (en) | Vacuum Pumps Station | |
| CN108008005A (en) | A kind of metallic conduit defects detection low frequency electromagnetic flexible array sensor | |
| CN209727844U (en) | A kind of metal defect detection sensor | |
| CN208547606U (en) | A kind of pulse eddy current sensor device | |
| CN210664904U (en) | Acoustic pipe seal detection device | |
| CN210534066U (en) | Magnetic flux leakage detection probe with high sensitivity | |
| CN209624482U (en) | Pulse precursor in far field tandem differential probe | |
| CN210222270U (en) | Sensor for transient electromagnetic exploration | |
| CN206669210U (en) | A kind of ceramic chamber lining throttle orifice component of sherardizing steel | |
| CN104198112B (en) | Magnetostriction type combustion sensor in high precision | |
| CN211374614U (en) | Ferromagnetic rod pipe reducing space pulse magnetism detection sensor | |
| CN112345629A (en) | Novel H-structure pulse eddy current focusing probe | |
| CN202757870U (en) | Under-deposit corrosion experimental support | |
| CN207163508U (en) | A kind of hydraulic structure flow detection voltage stabilizing pressure-measuring pipe | |
| CN210427442U (en) | Detection apparatus for metal pipeline corrodes volume and position |
Legal Events
| 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: 20190524 Termination date: 20190928 |