CN214895023U

CN214895023U - Horizontal excitation double-channel probe

Info

Publication number: CN214895023U
Application number: CN202121100232.6U
Authority: CN
Inventors: 侯永青; 呂世磊; 吴静江; 张倩怡
Original assignee: Suzhou Jiushangjiu Electromagnetic Equipment Co ltd
Current assignee: Suzhou Jiushangjiu Electromagnetic Equipment Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-11-26
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses a horizontal excitation double-channel probe, which comprises a shell, a sensing component, a positioning component, a connecting wire and a joint, wherein the sensing component, the positioning component, the connecting wire and the joint are arranged in the shell; the positioning assembly is fixedly arranged at the end part of the shell, and the shell can rotate along the axial direction of the positioning assembly; the sensing assembly comprises a winding protection device and a winding arranged inside the winding protection device, and the winding protection device can protect and fix the winding. The probe can not only carry out detection in the horizontal direction, but also carry out rotation detection and the detection range of the probe.

Description

Horizontal excitation double-channel probe

Technical Field

The utility model relates to a probe technical field, concretely relates to horizontal excitation binary channels probe.

Background

Currently, information technology is applied to various subject fields. The foundation of modern information technology includes information acquisition, information transmission and information processing. The information acquisition can not be separated from the sensor. The sensor is located at the head of the information acquisition system and before detection and control. Various kinds of information to be acquired in the scientific research and automatic production process need to be acquired through a sensor and converted into electric signals.

The eddy current sensor is a sensitive device used for connecting an eddy current flaw detector and a detected workpiece, and the performance of the eddy current sensor directly influences the detection effect. There are many types of eddy current sensors that often require different types of eddy current sensors for different test objects and test purposes.

Point type eddy current test probe among the practical application is mostly the single channel, and unit interval scanning area is less, and detection efficiency is lower, and the rotational speed requirement to rotating equipment is higher, causes a series of costs manufacturing cost to be high at most to the application of current single channel point probe is very single.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a horizontal excitation binary channels probe not only can carry out the measuring of horizontal direction, can also carry out the rotation detection, the detection range of probe.

The technical scheme of the utility model is that: a horizontal excitation dual-channel probe comprises a shell, a sensing assembly, a positioning assembly, a connecting wire and a connector, wherein the sensing assembly, the positioning assembly, the connecting wire and the connector are arranged in the shell;

the positioning assembly is fixedly arranged at the end part of the shell, and the shell can rotate along the axial direction of the positioning assembly;

the sensing assembly comprises a winding protection device and a winding arranged inside the winding protection device, and the winding protection device can protect and fix the winding.

Preferably, one end of the housing is provided with an assembly groove for assembling the sensing assembly, and a cover plate is arranged outside the assembly groove;

the inside parallel arrangement of casing has 2 cavities, the one end of cavity passes through the assembly groove communicates with each other.

Preferably, one end of the chamber, which is far away from the assembling groove, is provided with a lead groove.

Preferably, a wire groove for assembling a connecting wire is formed in the side face of the shell, and the wire groove is communicated with the lead wire groove.

Preferably, the opposite two end faces of the shell are respectively provided with a vent hole, and the vent holes are communicated with the cavity.

Preferably, the windings comprise an excitation winding, an absolute winding and a measurement winding, and the measurement winding is at least 1 group.

Preferably, the excitation winding and the measurement winding are arranged horizontally in parallel or vertically in an up-down arrangement.

The utility model has the beneficial technical effects that:

1. the horizontal excitation dual-channel probe adopting the technical scheme has the advantages of convenient and flexible movement, simple and compact structure, high resolution, good test precision and stable and reliable work;

2. the probe is provided with 2 windings, can detect two channels simultaneously, has a single scanning width 2 times that of a single-channel point-type probe, and has high working efficiency;

3. the device is provided with a positioning assembly, the shell can rotate along the axis direction of the positioning assembly, so that the probe can realize rotary scanning and through type plane scanning, and the application field is wider.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional view of the overall structure of the present invention;

FIG. 3 is a schematic sectional view of the overall structure of the present invention;

FIG. 4 is a schematic view of the overall structure of the present invention in the direction A-A;

FIG. 5 is a schematic view of the overall structure of the present invention in a cross-sectional view along the direction A-A;

fig. 6 is a schematic structural diagram of the sensing assembly of the present invention.

The reference signs are:

100. a housing; 200. a positioning assembly; 300. a connecting wire; 400. a joint; 101. a winding protection device; 102. a winding; 103. a vent hole; 104. a lead slot; 105. a winding chamber; 106. a cover plate; 107. a wire slot.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples, which are provided for illustration of the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1-6, the utility model relates to a horizontal excitation binary channels probe, its characterized in that: the sensor comprises a shell 100, a sensing assembly arranged in the shell 100, a positioning assembly 200, a connecting wire 300 and a connector 400;

the positioning assembly 200 is fixedly arranged at the end part of the shell 100, and the shell 100 can rotate along the axial direction of the positioning assembly 200;

the sensing assembly comprises a winding protection device 101 and a winding 102 arranged inside the winding protection device 101, wherein the winding protection device 101 can protect and fix the winding 102;

it should be further noted that the casing 100 preferably adopts a regular cubic metal casing, the metal casing can enhance the wear resistance of the probe and prolong the service life when in use, the winding protection device 101 is arranged in an 8-shaped structure, the winding protection device 101 is arranged in two winding chambers, the winding 102 is arranged inside the winding chambers, the winding protection device 101 is used for protecting and fixing the winding 102 and avoiding the winding 102 from being damaged during assembly, and the winding 102 includes a magnetic core and an induction coil wound on the magnetic core.

Further, as shown in fig. 2, an assembly groove for assembling the sensing assembly is formed at one end of the housing 100, a cover plate 106 is arranged outside the assembly groove, an assembly step is arranged in the assembly groove, and the assembly step plays a role in limiting when the sensing assembly is assembled in the assembly groove;

the housing 100 is provided with 2 chambers 105 in parallel therein, one ends of the chambers 105 communicate through the fitting groove, and the chambers 105 communicate with the sensing assembly fitted into the fitting groove.

Further, referring to fig. 2, a lead groove 104 is disposed at one end of the chamber 105 far from the assembly groove, a groove 107 for assembling a connection line 300 is disposed at a side surface of the housing 100, the groove 107 is communicated with the lead groove 104, one end of the connection line 300 is fixedly connected to the magnetic core, and the other end of the connection line is respectively penetrated through the chamber 105, the lead groove 104, and the groove 107 and connected to the connector 400.

Further, referring to fig. 1-2, two opposite end surfaces of the housing 100 are respectively provided with vent holes 103, and the vent holes 103 are communicated with the cavity 105;

it should be further noted that the housing 100 is potted along the vent hole 103, so as to fix the position of the connection line 300.

Further, as shown with reference to fig. 5-6, the windings 102 include excitation windings, absolute windings, and measurement windings, and the measurement windings are at least 1 set, which increases the accuracy of the measurement.

Further, referring to fig. 6, the excitation winding and the measurement winding are horizontally arranged in parallel or vertically arranged above and below each other.

The utility model discloses a when using, eddy current testing is a nondestructive test method of establishing on the basis of electromagnetic induction principle, and it is applicable to conducting material, and when we placed a conductor in alternating magnetic field, there was induced-current to exist in the conductor, both produced the vortex, because the change of conductor self various factors, such as conductivity, magnetic conductivity, shape, size and defect etc. can lead to the change of induced-current, utilize this kind of phenomenon and judge the detection method of conductor nature, state, call eddy current testing. The eddy current test sensors are selected differently because of the difference in the shape and size of the test specimen and the difference in the test position.

The scanning area of the probe in unit time is large, when the probe is matched with rotating equipment for use, 100% coverage can be realized even at a low rotating speed, the requirement on the rotating equipment is reduced, and the detection efficiency is improved; meanwhile, the probe can be used for detecting the surface quality of pipes, rods and wires, namely detecting a rotary channel, and can also be used as a through portable probe for detecting the surface quality of a plane plate strip by using a through channel, and the probe is regular in cubic overall dimension and convenient to install and fix.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A horizontally-excited dual-channel probe, characterized in that: the device comprises a shell (100), a sensing assembly arranged in the shell (100), a positioning assembly (200), a connecting wire (300) and a connector (400);

the positioning assembly (200) is fixedly arranged at the end part of the shell (100), and the shell (100) can rotate along the axial direction of the positioning assembly (200);

the sensing assembly comprises a winding protection device (101) and a winding (102) arranged inside the winding protection device (101), wherein the winding protection device (101) can protect and fix the winding (102).

2. The horizontal excitation dual channel probe of claim 1, wherein: one end of the shell (100) is provided with an assembling groove for assembling the sensing assembly, and a cover plate (106) is arranged outside the assembling groove;

the inside of the shell (100) is provided with 2 chambers (105) in parallel, and one ends of the chambers (105) are communicated through the assembling grooves.

3. The horizontal excitation dual channel probe of claim 2, wherein: and one end of the cavity (105) far away from the assembling groove is provided with a lead groove (104).

4. The horizontally-excited dual channel probe of claim 3, wherein: the side of the shell (100) is provided with a wire groove (107) for assembling a connecting wire (300), and the wire groove (107) is communicated with the lead wire groove (104).

5. The horizontal excitation dual channel probe of claim 2, wherein: the two opposite end faces of the shell (100) are respectively provided with a vent hole (103), and the vent holes (103) are communicated with the cavity (105).

6. The horizontal excitation dual channel probe of claim 1, wherein: the windings (102) comprise excitation windings, absolute windings and measurement windings, and the measurement windings are at least 1 group.

7. The horizontal excitation dual channel probe of claim 6, wherein: the excitation winding and the measurement winding are horizontally arranged in parallel or vertically arranged up and down.