CN220419241U

CN220419241U - Single crystal combined probe

Info

Publication number: CN220419241U
Application number: CN202321807287.XU
Authority: CN
Inventors: 张瑞; 龙绍军; 彭吉章
Original assignee: Eintec Technology Shanghai Co ltd
Current assignee: Eintec Technology Shanghai Co ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-01-30
Anticipated expiration: 2033-07-10

Abstract

The utility model relates to a pipeline flaw detection technology's field specifically discloses a single crystal combination probe, it includes the casing and fixes the wafer seat in casing one end, has seted up week Xiang Jian measuring groove on the wafer seat, zhou Xiangjian measuring groove's both sides cell wall slope sets up, all is fixed with the matching layer on Zhou Xiangjian measuring groove's both sides cell wall, is fixed with circumference wafer on the matching layer, corresponds circumference wafer's position on the casing and is fixed with the backing colloid, and the backing colloid butt is on circumference wafer, installs the connector of being connected with circumference wafer electricity on the casing. This application is through seting up circumference detection groove on the wafer seat to with Zhou Xiangjian groove wall slope setting of measuring groove, set up circumference wafer on the both sides cell wall, can carry out the detection of two directions to the circumference of pipeline simultaneously, facilitate the use.

Description

Single crystal combined probe

Technical Field

The application relates to the field of pipeline flaw detection technology, in particular to a single crystal combined probe.

Background

The pipeline has important position in the steel pipe industry in China, and the pipeline has very wide application, such as: space flight and aviation such as boiler, geological drilling, petrochemical, shipbuilding, pharmacy, power generation, nuclear waste, hydraulic and pneumatic cylinders, fluid transportation and the like, industry, medical, agriculture and the like.

The reliability of the pipeline quality directly affects the safety life of the application of the pipeline, and in the related art, after the pipeline is welded and connected, an inclined probe is generally adopted to detect the pipeline welding seam. The conventional inclined probe comprises a shell, an inclined block, a piezoelectric wafer and a damping block, wherein the piezoelectric wafer is fixed on the inclined surface of the inclined block, and the damping block is positioned on the upper part of the piezoelectric wafer. When the ultrasonic probe is used, inclined ultrasonic waves are emitted by the piezoelectric wafer to detect the part to be detected.

In practical use, it is found that the space between the pipelines is limited sometimes, and when multiple directions of the pipelines need to be detected, the conventional probe needs to rotate in the limited space by an angle to meet the detection of the pipelines, so that the detection is inconvenient to use. To this end, the inventors provide a multi-functional single crystal combination probe.

Disclosure of Invention

In order to facilitate detection of a pipeline, the application provides a single crystal combination probe which can simultaneously provide detection in multiple directions.

The monocrystalline combination probe provided by the application adopts the following technical scheme:

the utility model provides a single crystal combination probe, includes the casing and fixes wafer seat of casing one end offer the circumference on the wafer seat and detect the groove, the both sides cell wall slope of circumference detects the groove sets up all be fixed with the matching layer on the both sides cell wall of circumference detects the groove be fixed with circumference wafer on the matching layer, correspond on the casing the position of circumference wafer is fixed with the backing colloid, the backing colloid butt in on the circumference wafer, install on the casing with the connector that circumference wafer electricity is connected.

Through adopting above-mentioned technical scheme, set up circumference detection groove on the wafer seat to with Zhou Xiangjian groove wall slope setting of measuring groove, set up circumference wafer on the cell wall, when detecting, be connected the connector with outside imager, through circumference wafer to the circumferencial direction transmission twice ultrasonic signal of pipeline, then on transmitting the imager with the signal, alright detect simultaneously two directions of pipeline, facilitate the use.

Optionally, an axial detection groove is formed in the wafer seat, the length direction of the axial detection groove is perpendicular to the circumferential detection groove, the groove wall of the axial detection groove is obliquely arranged, and the matching layer and the axial wafer are fixed on the groove wall of the circumferential detection groove.

Through adopting above-mentioned technical scheme, set up axial detection groove on the wafer seat, set up axial wafer on the cell wall slope of axial detection groove, detect pipeline axis direction through axial wafer, can detect a plurality of directions of pipeline simultaneously, facilitate the use.

Optionally, the wafer seat is provided with guiding surfaces on the side walls close to the circumferential wafer and the axial wafer, and the guiding surfaces are provided with wave-shaped surfaces.

Through adopting above-mentioned technical scheme, set up the guide face on the wafer seat, guide the sound wave through the guide, can improve the transmission efficiency of sound wave, and then improve detection accuracy.

Optionally, a sound absorbing material layer is disposed on the inner wall of the housing.

By adopting the technical scheme, the shell is provided with a cubic barrel structure made of stainless steel plates.

Optionally, the shell is provided with a cubic cylinder structure made of stainless steel.

Through adopting above-mentioned technical scheme, the casing adopts corrosion resistance that the corrosion resistance that can improve the casing to adopt corrosion resistant plate to make, and then improves holistic life.

Optionally, the circumferential wafer and the axial wafer are both provided as ceramic piezoelectric wafers.

Optionally, the wafer seat is made of PMMA.

Optionally, the wafer seat may be made of PS.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the circumferential detection groove is formed in the wafer seat, the groove wall of the Zhou Xiangjian groove is obliquely arranged, the circumferential wafer is arranged on the groove wall, the connector is connected with an external imaging instrument during detection, two ultrasonic signals are transmitted to the imaging instrument through the circumferential wafer in the circumferential direction of the pipeline, and then the signals are transmitted to the imaging instrument, so that the two directions of the pipeline can be detected simultaneously, and the use is convenient;

2. through seting up axial detection groove on the wafer seat, set up axial wafer with the cell wall slope of axial detection groove, set up axial wafer on the cell wall, detect pipeline axis direction through axial wafer, can detect pipeline a plurality of directions simultaneously, facilitate the use.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Reference numerals: 1. a housing; 11. a sound absorbing material layer; 12. backing colloid; 2. a wafer seat; 21. zhou Xiangjian groove measurement; 211. a peripheral wafer; 22. an axial detection groove; 221. an axial wafer; 23. a matching layer; 24. a guide surface; 3. a connector.

Detailed Description

The present application is described in further detail below in conjunction with fig. 1.

The embodiment of the application discloses a single crystal combination probe, referring to fig. 1, comprising a shell 1 and a wafer seat 2 fixed on the shell 1. The shell 1 is of a cylinder structure made of stainless steel plates, and a sound absorbing material layer 11 is stuck and fixed on the inner side wall of the shell 1, so that noise on one side of the shell 1 can be absorbed; the wafer seat 2 is provided with the circumferential wafer 211 and the axial wafer 221, so that the axial direction and the circumferential direction of the pipeline can be detected at the same time, and the use is convenient.

A circumferential detection groove 21 with a W-shaped cross section profile is formed in one side surface of the wafer seat 2, which is close to the shell 1, the groove walls of the circumferential detection groove 21 are obliquely arranged, matching layers 23 are arranged on the groove walls of two sides of the circumferential detection groove 21, two circumferential wafers 211 are arranged corresponding to the matching layers 23, and the two circumferential wafers 211 are respectively fixed on the matching layers 23 of two sides of the circumferential detection groove 21. A backing gel 12 is mounted inside the case 1, and the backing gel 12 abuts against the peripheral wafer 211. A connector 3 is mounted on the end of the housing 1 away from the die pad 2, and the connector 3 is electrically connected to the peripheral die 211.

An axial detection groove 22 is formed in one end of the wafer seat 2, which is located at the circumferential detection groove 21, the longitudinal direction of the axial detection groove 22 is perpendicular to the longitudinal direction of the circumferential detection groove 21, and the cross-sectional profile of the axial detection groove 22 is in a V shape. A matching layer 23 is mounted on a groove wall of the axial detection groove 22 on a side away from the circumferential detection groove 21, and an axial wafer 221 is fixed on the matching layer 23, the axial wafer 221 abuts against the backing colloid 12, and the axial wafer 221 is electrically connected to the connector 3. In use, the inspection of the pipeline in three directions may be performed simultaneously by the axial wafer 221 and the two circumferential wafers 211.

The axial wafer 221 and the circumferential wafer 211 are ceramic piezoelectric wafers, and the die pad 2 is made of PMMA or PS. The wafer holder 2 is provided with a guide surface 24 on one side wall near the axial wafer 221 and the circumferential wafer 211, and the guide surface 24 is provided as a wavy surface, so that ultrasonic waves can be guided, and the detection accuracy can be improved.

The implementation principle of the single crystal combination probe disclosed by the embodiment of the application is as follows: by forming the axial detection groove 22 and the circumferential detection groove 21 on the wafer seat 2 and installing the axial wafer 221 and the circumferential wafer 211 on the groove walls of the axial detection groove 22 and the circumferential detection groove 21, when in use, ultrasonic waves are simultaneously emitted in the axial direction and the circumferential direction of the pipeline through the axial wafer 221 and the circumferential wafer 211 for detection, so that the detection efficiency can be effectively improved; moreover, the inclination angles of the groove walls of the axial detection groove 22 and the circumferential detection groove 21 can be processed according to the test requirements, so that the measurement requirements of different angles can be conveniently met, and the use is convenient.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A single crystal composite probe, characterized in that: including casing (1) and fix wafer seat (2) of casing (1) one end offer circumference detection groove (21) on wafer seat (2), the both sides cell wall slope of circumference detection groove (21) is fixed with matching layer (23) on the both sides cell wall of circumference detection groove (21) be fixed with circumference wafer (211) on matching layer (23), correspond on casing (1) the position of circumference wafer (211) is fixed with backing colloid (12), backing colloid (12) butt in on circumference wafer (211), install on casing (1) with connector (3) that circumference wafer (211) electricity is connected.

2. A single crystal combination probe as defined in claim 1 wherein: the wafer seat (2) is provided with an axial detection groove (22), the length direction of the axial detection groove (22) is perpendicular to the circumferential detection groove (21), the groove wall of the axial detection groove (22) is obliquely arranged, and the groove wall of the circumferential detection groove (21) is fixedly provided with the matching layer (23) and the axial wafer (221).

3. A single crystal combination probe as claimed in claim 2 wherein: the wafer seat (2) is provided with guide surfaces (24) on the side walls close to the circumferential wafer (211) and the axial wafer (221), and the guide surfaces (24) are provided with wave surfaces.

4. A single crystal combination probe as defined in claim 1 wherein: a sound absorbing material layer (11) is arranged on the inner wall of the shell (1).

5. A single crystal combination probe as defined in claim 1 wherein: the shell (1) is of a cubic cylinder structure made of stainless steel plates.

6. A single crystal combination probe as claimed in claim 2 wherein: the circumferential wafer (211) and the axial wafer (221) are each provided as a ceramic piezoelectric wafer.

7. A single crystal combination probe as defined in claim 1 wherein: the wafer seat (2) is made of PMMA material.

8. A single crystal combination probe as defined in claim 7 wherein: the wafer seat (2) can be made of PS material.