CN206788110U - A kind of plane probe - Google Patents
A kind of plane probe Download PDFInfo
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- CN206788110U CN206788110U CN201720621318.0U CN201720621318U CN206788110U CN 206788110 U CN206788110 U CN 206788110U CN 201720621318 U CN201720621318 U CN 201720621318U CN 206788110 U CN206788110 U CN 206788110U
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- excitation winding
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Abstract
The utility model provides a kind of plane probe,More particularly to eddy current detecting equipment field,Including shell,The cover plate being arranged on shell,The sensor coil and circuit board being arranged in shell,Joint on the cover board is set,Handle and bulb,Shell includes two shell halfbodies being fixedly connected,Cover plate is fixed on shell,Sensor coil includes excitation winding,Shielding cylinder and measurement winding,The lower half that excitation winding is fixed in shell,The bottom of excitation winding is provided with flexible PCB,Flexible PCB is connected with excitation winding,The first half that shielding cylinder is fixed in shell,Measurement winding is arranged with shielding cylinder,Circuit board is fixed between shell inner shield cylinder and excitation winding,Joint is fixed on the cover board,The coiling of flexible PCB and measurement winding is connected with circuit board,The coiling of excitation winding and measurement winding is connected by its termination after circuit board with joint.The utility model has that cost is low, simple in construction, high resolution, it is stable and reliable in work the advantages of.
Description
Technical field
The utility model belongs to eddy current detecting equipment field, and in particular to a kind of plane probe.
Background technology
Eddy current sensor is for connection to the Sensitive Apparatus of eddy current flaw detec and detected workpiece, and its performance quality is directly
Have influence on the effect of detection.Its species is a lot, for different detection object and testing goal, generally requires to use different type
Eddy current sensor.At present, in the flaw detection to flat sheet, probe rotation flaw detection is typically taken, to be equipped with rotation flaw detection
Instrument and swivel head, cost is high, complex operation, and only through mode defectoscope need to be equipped with if being popped one's head in using plane, simple to operate.
Patent through mode Eddy Current Testing Transducer (publication number：CN202421131U a kind of through mode EDDY CURRENT) is disclosed
Sensor.The through mode Eddy Current Testing Transducer includes shell (1), copper packing (2), aluminium lid (3), is provided with the shell (1)
Sensor coil (4), the sensor coil (4) is by skeleton (5), the excitation winding (6) being wrapped on skeleton and measurement winding (7) group
Into, the copper packing (2) is arranged on skeleton end face and is fixed on shell (1), it is described excitation winding (6) and measure winding (7) around
End is connected with joint (8), and described shell is provided with aluminium lid (3), and aluminium lid is provided with handle (10) and bulb (11), described
Skeleton (5) is provided with the through hole that tested test specimen passes through, simple in construction using the through mode Eddy Current Testing Transducer of the technical scheme
Compact, frequency response is wide, and measuring force is small, high resolution, and output power, measuring accuracy are good, stable and reliable in work.
Therefore, it is low to be badly in need of a kind of cost, simple in construction, high resolution, plane stable and reliable in work probe.
Utility model content
During in order to solve to detect flat sheet, sonde configuration is complicated, operates the problem of being not easy, the purpose of this utility model is
A kind of plane probe is provided, has that cost is low, simple in construction, high resolution, it is stable and reliable in work the advantages of.
The utility model provides following technical scheme：
A kind of plane probe, including shell, cover plate on the housing is set, is arranged in the shell sensing line
Circle and circuit board, joint, handle and the bulb being arranged on the cover plate, the shell include two shells being fixedly connected half
Body, the cover plate are fixed on the housing, and the sensor coil includes excitation winding, shielding cylinder and measurement winding, described
The lower half that excitation winding is fixed in the shell, the bottom of the excitation winding are provided with flexible PCB, the flexible electrical
Road plate is connected with the excitation winding, the first half that the shielding cylinder is fixed in the shell, in the shielding cylinder around
Provided with the measurement winding, the circuit board is fixed in the shell between the shielding cylinder and the excitation winding, institute
State joint to be fixed on the cover plate, the coiling of the flexible PCB and the measurement winding is connected with the circuit board, institute
The coiling for stating excitation winding and the measurement winding is connected by its termination after the circuit board with the joint, on the cover plate
The handle is further fixed on, the other end of the handle is fixed with the bulb.
The excitation bad coiling of winding, is easily deformed, and signal is weak, and the utility model adds the flexible circuit
Plate, the excitation winding signal can be extracted on the flexible PCB, the flexible PCB is close to shell, and length can
Adjust, flexibly installation can be needed according to client, manufacture difficulty is greatly reduced, makes its simple in construction, it is easy to make, improve production
Efficiency, it is convenient, flexible.
Preferably, magnetic core is provided with the shielding cylinder, the magnetic core is fixed in the shielding cylinder.
Preferably, the quantity of the measurement winding is at least 2, and the quantity of the measurement winding is more, and signal is more stable.
Preferably, the excitation winding and the measurement winding level are placed side by side arrangement or vertically arranged.
Preferably, the cover plate is provided with square groove, and the joint is arranged in the groove.
Preferably, connecting shaft is provided between the shell halfbody, the shell halfbody is described by the connection axis connection
It is fixedly connected between shell halfbody and the connecting shaft by hexagon socket head cap screw.
Preferably, it is fixedly connected between the shell and the cover plate by interior hexagonal countersunk head screw.
The beneficial effects of the utility model are：Manufacture difficulty is reduced, reduces cost；It is simple in construction, it is easy to make；Improve
Production efficiency, it is convenient, flexible；Also aluminium flat conduit can be detected a flaw, increases the function of using.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model front view；
Fig. 3 is the utility model top view；
Fig. 4 is the utility model sectional view；
In figure mark for：1st, bulb；2nd, cover plate；21st, groove；3rd, joint；4th, handle；5th, connecting shaft；6th, sensor coil；
61st, winding is encouraged；62nd, shielding cylinder；63rd, winding is measured；64th, magnetic core；7th, circuit board；8th, shell；81st, shell halfbody；9th, it is soft
Property circuit board.
Embodiment
Specific embodiment of the present utility model is described below in conjunction with the accompanying drawings.
As Figure 1-4, a kind of plane probe, including shell 8, be arranged on shell 8 cover plate 2, be arranged in shell 8
Sensor coil 6 and circuit board 7, joint 3, handle 4 and the bulb 1 being arranged on cover plate 2, shell 8 is fixedly connected including two
Shell halfbody 1, be provided with connecting shaft 5 between shell halfbody 81, shell halfbody 81 is connected by connecting shaft 5, the He of shell halfbody 81
It is fixedly connected between connecting shaft 5 by hexagon socket head cap screw, cover plate 2 is fixed on shell 8, passes through interior six between shell 8 and cover plate 2
Angle countersunk head screw is fixedly connected, and sensor coil 6 includes excitation winding 61, shielding cylinder 62 and measurement winding 63, encourages winding 61
The lower half being fixed in shell 8, the bottom of excitation winding 61 are provided with flexible PCB 9, flexible PCB 9 and excitation winding 61
It is connected, the first half that shielding cylinder 62 is fixed in shell 8 is arranged with measurement winding 63 in shielding cylinder 62, and circuit board 7 is fixed
Between the inner shield cylinder 62 of shell 8 and excitation winding 61, joint 3 is fixed on cover plate 2, flexible PCB 9 and measurement winding
63 coiling is connected with circuit board 7, encourages the coiling of winding 61 and measurement winding 63 to pass through its termination after circuit board 7 and joint 3
Connect, handle 4 is further fixed on cover plate 2, the other end of handle 4 is fixed with bulb 1, magnetic core 64, magnetic are provided with shielding cylinder 62
Core 64 is fixed in shielding cylinder 62.63 bad coiling of winding is encouraged, is easily deformed, and signal is weak, the utility model adds
Flexible PCB 9, can be by the excitation signal extraction of winding 63 to flexible PCB 9, and flexible PCB 9 is close to shell 8, and length can
Adjust, flexibly installation can be needed according to client, manufacture difficulty is greatly reduced, makes its simple in construction, it is easy to make, improve production
Efficiency, it is convenient, flexible.
Specifically, the quantity of measurement winding 63 is at least 2.The quantity of measurement winding 63 is more, and signal is more stable.
Specifically, excitation winding 61 and the measurement level of winding 63 are placed side by side arrangement or vertically arranged.
Specifically, cover plate 2 is provided with square groove 21, joint 3 is arranged in groove 21.
Utility model works mode：Using convenient, flexible, simple in construction, the sensitivity of plane probe of the technical scheme
Height, it is stable and reliable in work, it can easily realize and flat sheet is detected a flaw, if it is staggered relatively to be popped one's head in two planes, also may be used
Carrying out flaw detection is carried out to aluminium flat conduit.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, although ginseng
The utility model is described in detail according to previous embodiment, for those skilled in the art, it still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic.It is all
Within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., this practicality should be included in
Within new protection domain.
Claims (7)
1. a kind of plane probe, it is characterised in that including shell, cover plate on the housing is set, is arranged on the shell
Interior sensor coil and circuit board, joint, handle and the bulb being arranged on the cover plate, the shell include two fixed companies
The shell halfbody connect, the cover plate are fixed on the housing, and the sensor coil includes excitation winding, shielding cylinder and measurement
Winding, the lower half that the excitation winding is fixed in the shell, the bottom of the excitation winding are provided with flexible PCB, institute
State flexible PCB with the excitation winding to be connected, the first half that the shielding cylinder is fixed in the shell, the shielding
The measurement winding is arranged with cylinder, the circuit board is fixed on the shielding cylinder and the excitation winding in the shell
Between, the joint is fixed on the cover plate, the coiling of the flexible PCB and the measurement winding and the circuit board
It is connected, the coiling of the excitation winding and the measurement winding is connected by its termination after the circuit board with the joint, institute
State and the handle is further fixed on cover plate, the other end of the handle is fixed with the bulb.
A kind of 2. plane probe according to claim 1, it is characterised in that magnetic core is provided with the shielding cylinder, it is described
Magnetic core is fixed in the shielding cylinder.
3. a kind of plane probe according to claim 1, it is characterised in that the quantity of the measurement winding is at least 2.
4. a kind of plane probe according to claim 1, it is characterised in that the excitation winding and the measurement winding water
Average row arrangement vertically arranges.
5. a kind of plane probe according to claim 1, it is characterised in that the cover plate is provided with square groove, institute
Joint is stated to be arranged in the groove.
A kind of 6. plane probe according to claim 1, it is characterised in that connecting shaft is provided between the shell halfbody,
The shell halfbody is fixed by the connection axis connection between the shell halfbody and the connecting shaft by hexagon socket head cap screw
Connection.
7. a kind of plane probe according to claim 1, it is characterised in that by interior between the shell and the cover plate
Hexagonal countersunk head screw is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720621318.0U CN206788110U (en) | 2017-05-31 | 2017-05-31 | A kind of plane probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720621318.0U CN206788110U (en) | 2017-05-31 | 2017-05-31 | A kind of plane probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206788110U true CN206788110U (en) | 2017-12-22 |
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ID=60714691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720621318.0U Active CN206788110U (en) | 2017-05-31 | 2017-05-31 | A kind of plane probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206788110U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082816A1 (en) * | 2019-10-29 | 2021-05-06 | 西安热工研究院有限公司 | Eddy current detection device and method for water turbine flow passage component plane |
-
2017
- 2017-05-31 CN CN201720621318.0U patent/CN206788110U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082816A1 (en) * | 2019-10-29 | 2021-05-06 | 西安热工研究院有限公司 | Eddy current detection device and method for water turbine flow passage component plane |
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