CN211374615U

CN211374615U - Novel array eddy current testing device

Info

Publication number: CN211374615U
Application number: CN201922320700.XU
Authority: CN
Inventors: 林俊明; 黄凤英; 沈功田; 吴晓瑜; 卢超
Original assignee: Eddysun Xiamen Electronic Co Ltd
Current assignee: Eddysun Xiamen Electronic Co Ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-08-28
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a novel array eddy current testing device, the device is including probe row socket, probe drive control ware, operating handle, a plurality of flexible eddy current sensor array distribution inserts and fixes on probe row socket, probe row socket is pegged graft on the probe drive control ware that is connected with operating handle, during the detection, handheld operating handle is manual to order about probe drive control ware and drive a plurality of flexible eddy current sensor and remove on the surface of testee and scan the inspection, if discover the testee has the defect, then probe drive control ware warning suggestion, operating personnel reads and takes notes the information of defect from the display screen on the probe drive control ware, position, size, the degree of depth including the defect, thereby accomplish the detection, the utility model discloses detection device compares small eddy current test probe and has simple easy-to-use, conveniently changes, Low cost.

Description

Novel array eddy current testing device

Technical Field

The utility model relates to a vortex detection device especially relates to a novel array vortex detection device.

Background

In recent years, with the progress of science and technology, array eddy current inspection is increasingly advanced into various industrial fields, however, the manufacturing is relatively complex, the cost is high, the application range is not wide, especially for the relatively original inspection method of magnetic particle inspection, the eddy current method can be adopted in many application occasions, such as railway tracks, wheels, parts and the like, so as to reduce the environmental pollution, improve the working efficiency, and facilitate the storage and retrieval of inspection data. Therefore, there is a need to develop an array eddy current inspection apparatus with simple process and low cost, which is suitable for various inspection occasions.

Disclosure of Invention

The utility model aims to solve the problem that the above background art part mentioned through a novel array eddy current testing device.

The utility model provides a technical scheme that its technical problem adopted is:

a novel array eddy current testing device is characterized in that: the device comprises a probe row socket, a probe driving controller, an operating handle and a plurality of flexible eddy current sensors; a plurality of sensor sockets distributed in an array are arranged on one side of the probe row socket, sensor channels corresponding to the sensor sockets distributed in the array are arranged on the other side of the probe row socket, a limiting sliding groove is arranged between each sensor socket and each sensor channel, and a self-locking buckle is arranged in each limiting sliding groove; the front end of the probe driving controller is provided with a plurality of jacks distributed in an array, the jacks are matched with a plurality of sensor jacks distributed in an array on the probe row socket, the top surface of the probe driving controller is provided with a display screen, a signal analysis and processing unit is arranged in the probe driving controller, and the rear end of the probe driving controller is connected with the operating handle; the probe row socket is plugged into the probe driving controller, and each sensor socket on the probe row socket is connected with a flexible eddy current sensor; the flexible eddy current sensor comprises a magnetic bead, a coil and a thin steel wire; the upper end surface of the magnetic bead is provided with a plurality of magnetic bead sockets, and the surface of each magnetic bead socket is plated with a layer of conductive film; the coil is an eddy current detection coil and is wound on a magnetic bead, and leads at each end of the coil are connected into a magnetic bead socket; the thin steel wires are provided with a plurality of thin steel wires, one end of each thin steel wire sequentially penetrates through a sensor channel of the probe socket bank and the limiting sliding groove and is inserted into a sensor socket on the probe socket bank, the other end of each thin steel wire is inserted and fixed into the magnetic bead socket, the thin steel wires are used as wires for signal transmission and play a role in flexibility and elasticity, and the thin steel wires have a self-locking function under the action of self-locking buckles in the limiting sliding grooves.

The flexible eddy current sensor can be used as a cloud detection terminal, has a wireless internet access function, can be connected with a cloud detection platform, and has the characteristics of an intelligent sensor in a cloud detection system.

A novel array eddy current testing method adopts the testing device, and is characterized in that: comprises the following steps of (a) carrying out,

a. thin steel wires in the flexible eddy current sensors are respectively inserted into sensor sockets on a probe row socket which is inserted into the probe driving controller through conductive adhesive, so that the assembly of the detection device is completed;

b. the detection device is controlled by holding the operation handle, the detection surfaces of a plurality of flexible eddy current sensors distributed in an array manner in the detection device are placed on the surface of a detected object in a clinging manner, and the thin steel wire has flexibility and elasticity and has a self-locking function, so that the detection surfaces of the plurality of flexible eddy current sensors can cling to the surface of the detected object in a self-adaptive manner;

c. the probe driving controller is manually driven by a hand-held operating handle to drive the plurality of flexible eddy current sensors to carry out mobile scanning detection on the surface of a detected object, in the process, eddy current signals scanned and detected by the flexible eddy current sensors are transmitted to a signal analysis processing unit of the probe driving controller through a thin steel wire to be analyzed and processed, and detection results are output and displayed on a display screen arranged on the top surface of the probe driving controller;

d. in the process of scanning and detecting the detected object, once the probe driving controller has an alarm prompt, an operator reads and records information of defects, including the positions, sizes and depths of the defects, from a display screen arranged on the top surface of the probe driving controller, so that the detected object can be detected quickly, accurately and efficiently.

The utility model has the advantages that the novel array eddy current testing device comprises a probe socket, a probe driving controller, an operating handle and a plurality of flexible eddy current sensors, wherein the flexible eddy current sensors are distributed and connected and fixed on the probe socket, the probe socket is connected and connected with the probe driving controller of the operating handle, when in testing, the probe driving controller is manually driven by the hand-held operating handle to drive the flexible eddy current sensors to move and scan and test the surface of a tested object, if the tested object has defects, the probe driving controller gives an alarm to prompt, an operator reads and records the information of the defects, including the position, the size and the depth of the defects, thereby completing the testing, and if one flexible eddy current sensor in the testing device is damaged, only a thin steel wire needs to be pulled out, it can to change a new flexible eddy current sensor again, the utility model discloses detection device compares small eddy current test probe and has simple easy-to-use, convenient change, low cost's advantage, and the method that detects is quick, accurate, high-efficient, the utility model discloses from the low cost, the uniformity processing difficult problem of small eddy current probe of technology solution.

The present invention will be described in further detail with reference to the following embodiments, but the present invention is not limited to the embodiments.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of a novel array eddy current testing apparatus according to embodiment 1 of the present invention.

Fig. 2 is an exploded schematic view of a novel array eddy current testing apparatus according to embodiment 1 of the present invention.

Fig. 3 is a schematic view of a detection method for detecting a steel rail by using the detection device of embodiment 2 of the present invention.

Fig. 4 is a schematic diagram of a detection method for detecting a wheel by using the detection device of embodiment 3 of the present invention.

In the figure, 1, a probe row socket, 11, a sensor socket, 12, a sensor channel, 13, a limit chute, 130, a self-locking buckle, 2, a probe driving controller, 21, a jack, 22, a display screen, 3, an operating handle, 4, a flexible eddy current sensor, 41, a magnetic bead, 410, a magnetic bead socket, 42, a coil, 43, a thin steel wire, 5, 50, the surface of a part to be detected of the steel rail, 6, a wheel, 60 and the surface of the part to be detected of the wheel are arranged.

Detailed Description

Embodiment 1, as shown in fig. 1 and 2, a novel array eddy current testing apparatus is characterized in that: the device comprises a probe row socket 1, a probe driving controller 2, an operating handle 3 and a plurality of flexible eddy current sensors 4; a plurality of sensor sockets 11 distributed in an array are arranged on one side of the probe gang socket 1, sensor channels 12 corresponding to the sensor sockets 11 distributed in the array are arranged on the other side of the probe gang socket, a limiting sliding groove 13 is arranged between each sensor socket 11 and each sensor channel 12, and a self-locking buckle 130 is arranged in each limiting sliding groove 13; the front end of the probe driving controller 2 is provided with a plurality of jacks 21 distributed in an array manner, which are matched with the sensor sockets 11 distributed in an array manner on the probe socket 1, the top surface of the probe driving controller 2 is provided with a display screen 22, a signal analysis and processing unit is arranged in the probe driving controller 2, and the rear end of the probe driving controller 2 is connected with the operating handle 3; the probe row socket 1 is connected to the probe driving controller 2, and each sensor socket 11 on the probe row socket 1 is connected with one flexible eddy current sensor 4; the flexible eddy current sensor 4 comprises a magnetic bead 41, a coil 42 and a thin steel wire 43; the upper end face of the magnetic bead 41 is provided with a plurality of magnetic bead sockets 410, and a layer of conductive film is plated on the surface of each magnetic bead socket 410; the coil 42 is an eddy current detection coil and is wound on the magnetic bead 41, and leads at each end of the coil 42 are connected to the magnetic bead socket 410; the thin steel wires 43 are provided with a plurality of thin steel wires, one end of each thin steel wire penetrates through the sensor channel 12 and the limiting sliding groove 13 of the probe socket 1 in sequence and is inserted into the sensor socket 11 on the probe socket 1, the other end of each thin steel wire is inserted and fixed into the magnetic bead socket 410, the thin steel wires 43 are used as signal transmission leads and play roles in flexibility and elasticity, and the thin steel wires 43 have a self-locking function under the action of the self-locking buckles 130 in the limiting sliding grooves 13.

The flexible eddy current sensor 4 can be used as a cloud detection terminal, has a wireless internet access function, can be connected with a cloud detection platform, and has the characteristics of an intelligent sensor in a cloud detection system.

Embodiment 2, as shown in fig. 1, 2 and 3, a novel array eddy current inspection method, which uses the above inspection apparatus, is characterized in that: comprises the following steps of (a) carrying out,

a. thin steel wires 43 in the plurality of flexible eddy current sensors 4 are respectively inserted into the sensor sockets 11 fixed on the probe row socket 1 inserted in the probe driving controller 2 through conductive adhesive to complete the assembly of the detection device;

b. the detection device is controlled by holding the operation handle 3 by hand, the detection surfaces of a plurality of flexible eddy current sensors 4 distributed in an array manner in the detection device are closely placed on the surface 50 of the part to be detected of the steel rail 5, and the thin steel wire 43 has flexibility and elasticity and has a self-locking function, so that the detection surfaces of the plurality of flexible eddy current sensors 4 can be closely attached to the surface 50 of the part to be detected of the steel rail 5 in a self-adaptive manner;

c. the probe driving controller 2 is manually driven by the hand-held operating handle 3 to drive the plurality of flexible eddy current sensors 4 to move, scan and detect on the surface 50 of the part to be detected of the steel rail 5, in the process, eddy current signals scanned and detected by the flexible eddy current sensors 4 are transmitted to a signal analysis and processing unit of the probe driving controller 2 through the thin steel wire 43 to be analyzed and processed, detection results are output and displayed on the display screen 22 arranged on the top surface of the probe driving controller 2, and meanwhile, if the surface 50 of the part to be detected of the steel rail 5 is found to have defects, the probe driving controller 2 gives an alarm for prompting;

d. in the process of scanning and detecting the steel rail 5, once the probe driving controller 2 gives an alarm, an operator reads and records information of defects, including the positions, sizes and depths of the defects, from the display screen 22 arranged on the top surface of the probe driving controller 2, so that the steel rail 5 can be detected quickly, accurately and efficiently.

Embodiment 3, as shown in fig. 1, 2 and 4, a novel array eddy current inspection method, which uses the above inspection apparatus, is characterized in that: comprises the following steps of (a) carrying out,

b. the detection device is controlled by holding the operation handle 3 by hand, the detection surfaces of a plurality of flexible eddy current sensors 4 distributed in an array manner in the detection device are closely placed on the surface 60 of the part to be detected of the wheel 6, and the thin steel wires 43 have flexibility and elasticity and have a self-locking function, so that the detection surfaces of the plurality of flexible eddy current sensors 4 can be closely attached to the surface 60 of the part to be detected of the wheel 6 in a self-adaptive manner;

c. the hand-held operation handle 3 manually drives the probe driving controller 2 to drive the plurality of flexible eddy current sensors 4 to move, scan and detect on the surface 60 of the part to be detected of the wheel 6, in the process, eddy current signals scanned and detected by the flexible eddy current sensors 4 are transmitted to a signal analysis processing unit of the probe driving controller 2 through the thin steel wire 43 to be analyzed and processed, and detection results are output and displayed on the display screen 22 arranged on the top surface of the probe driving controller 2, and meanwhile, if the surface 60 of the part to be detected of the wheel 6 is found to have defects, the probe driving controller 2 gives an alarm for prompting;

d. in the process of scanning and detecting the wheels 6, once the probe driving controller 2 gives an alarm, the operator reads and records the information of the defect, including the position, size and depth of the defect, from the display screen 22 arranged on the top surface of the probe driving controller 2, so that the wheels 6 can be detected quickly, accurately and efficiently.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent replacements and improvements made by any person skilled in the art without departing from the design spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A novel array eddy current testing device is characterized in that: the device comprises a probe row socket, a probe driving controller, an operating handle and a plurality of flexible eddy current sensors; a plurality of sensor sockets distributed in an array are arranged on one side of the probe row socket, sensor channels corresponding to the sensor sockets distributed in the array are arranged on the other side of the probe row socket, a limiting sliding groove is arranged between each sensor socket and each sensor channel, and a self-locking buckle is arranged in each limiting sliding groove; the front end of the probe driving controller is provided with a plurality of jacks distributed in an array, the jacks are matched with a plurality of sensor jacks distributed in an array on the probe row socket, the top surface of the probe driving controller is provided with a display screen, a signal analysis and processing unit is arranged in the probe driving controller, and the rear end of the probe driving controller is connected with the operating handle; the probe row socket is plugged into the probe driving controller, and each sensor socket on the probe row socket is connected with a flexible eddy current sensor; the flexible eddy current sensor comprises a magnetic bead, a coil and a thin steel wire; the upper end surface of the magnetic bead is provided with a plurality of magnetic bead sockets, and the surface of each magnetic bead socket is plated with a layer of conductive film; the coil is an eddy current detection coil and is wound on a magnetic bead, and leads at each end of the coil are connected into a magnetic bead socket; the thin steel wires are provided with a plurality of thin steel wires, one end of each thin steel wire sequentially penetrates through a sensor channel of the probe socket bank and the limiting sliding groove and is inserted into a sensor socket on the probe socket bank, the other end of each thin steel wire is inserted and fixed into the magnetic bead socket, the thin steel wires are used as wires for signal transmission and play a role in flexibility and elasticity, and the thin steel wires have a self-locking function under the action of self-locking buckles in the limiting sliding grooves.

2. The novel array eddy current testing device as claimed in claim 1, wherein: the flexible eddy current sensor can be used as a cloud detection terminal, has a wireless internet access function, can be connected with a cloud detection platform, and has the characteristics of an intelligent sensor in a cloud detection system.